/*  Prototype JavaScript framework, version 1.7_rc3
 *  (c) 2005-2010 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {

  Version: '1.7_rc3',

  Browser: (function(){
    var ua = navigator.userAgent;
    var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
    return {
      IE:             !!window.attachEvent && !isOpera,
      Opera:          isOpera,
      WebKit:         ua.indexOf('AppleWebKit/') > -1,
      Gecko:          ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
      MobileSafari:   /Apple.*Mobile/.test(ua)
    }
  })(),

  BrowserFeatures: {
    XPath: !!document.evaluate,

    SelectorsAPI: !!document.querySelector,

    ElementExtensions: (function() {
      var constructor = window.Element || window.HTMLElement;
      return !!(constructor && constructor.prototype);
    })(),
    SpecificElementExtensions: (function() {
      if (typeof window.HTMLDivElement !== 'undefined')
        return true;

      var div = document.createElement('div'),
          form = document.createElement('form'),
          isSupported = false;

      if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
        isSupported = true;
      }

      div = form = null;

      return isSupported;
    })()
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },

  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


var Abstract = { };


var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

/* Based on Alex Arnell's inheritance implementation. */

var Class = (function() {

  var IS_DONTENUM_BUGGY = (function(){
    for (var p in { toString: 1 }) {
      if (p === 'toString') return false;
    }
    return true;
  })();

  function subclass() {};
  function create() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0, length = properties.length; i < length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;
    return klass;
  }

  function addMethods(source) {
    var ancestor   = this.superclass && this.superclass.prototype,
        properties = Object.keys(source);

    if (IS_DONTENUM_BUGGY) {
      if (source.toString != Object.prototype.toString)
        properties.push("toString");
      if (source.valueOf != Object.prototype.valueOf)
        properties.push("valueOf");
    }

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames()[0] == "$super") {
        var method = value;
        value = (function(m) {
          return function() { return ancestor[m].apply(this, arguments); };
        })(property).wrap(method);

        value.valueOf = method.valueOf.bind(method);
        value.toString = method.toString.bind(method);
      }
      this.prototype[property] = value;
    }

    return this;
  }

  return {
    create: create,
    Methods: {
      addMethods: addMethods
    }
  };
})();
(function() {

  var _toString = Object.prototype.toString,
      NULL_TYPE = 'Null',
      UNDEFINED_TYPE = 'Undefined',
      BOOLEAN_TYPE = 'Boolean',
      NUMBER_TYPE = 'Number',
      STRING_TYPE = 'String',
      OBJECT_TYPE = 'Object',
      BOOLEAN_CLASS = '[object Boolean]',
      NUMBER_CLASS = '[object Number]',
      STRING_CLASS = '[object String]',
      ARRAY_CLASS = '[object Array]',
      NATIVE_JSON_STRINGIFY_SUPPORT = window.JSON &&
        typeof JSON.stringify === 'function' &&
        JSON.stringify(0) === '0' &&
        typeof JSON.stringify(Prototype.K) === 'undefined';

  function Type(o) {
    switch(o) {
      case null: return NULL_TYPE;
      case (void 0): return UNDEFINED_TYPE;
    }
    var type = typeof o;
    switch(type) {
      case 'boolean': return BOOLEAN_TYPE;
      case 'number':  return NUMBER_TYPE;
      case 'string':  return STRING_TYPE;
    }
    return OBJECT_TYPE;
  }

  function extend(destination, source) {
    for (var property in source)
      destination[property] = source[property];
    return destination;
  }

  function inspect(object) {
    try {
      if (isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : String(object);
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  }

  function toJSON(value) {
    return Str('', { '': value }, []);
  }

  function Str(key, holder, stack) {
    var value = holder[key],
        type = typeof value;

    if (Type(value) === OBJECT_TYPE && typeof value.toJSON === 'function') {
      value = value.toJSON(key);
    }

    var _class = _toString.call(value);

    switch (_class) {
      case NUMBER_CLASS:
      case BOOLEAN_CLASS:
      case STRING_CLASS:
        value = value.valueOf();
    }

    switch (value) {
      case null: return 'null';
      case true: return 'true';
      case false: return 'false';
    }

    type = typeof value;
    switch (type) {
      case 'string':
        return value.inspect(true);
      case 'number':
        return isFinite(value) ? String(value) : 'null';
      case 'object':

        for (var i = 0, length = stack.length; i < length; i++) {
          if (stack[i] === value) { throw new TypeError(); }
        }
        stack.push(value);

        var partial = [];
        if (_class === ARRAY_CLASS) {
          for (var i = 0, length = value.length; i < length; i++) {
            var str = Str(i, value, stack);
            partial.push(typeof str === 'undefined' ? 'null' : str);
          }
          partial = '[' + partial.join(',') + ']';
        } else {
          var keys = Object.keys(value);
          for (var i = 0, length = keys.length; i < length; i++) {
            var key = keys[i], str = Str(key, value, stack);
            if (typeof str !== "undefined") {
               partial.push(key.inspect(true)+ ':' + str);
             }
          }
          partial = '{' + partial.join(',') + '}';
        }
        stack.pop();
        return partial;
    }
  }

  function stringify(object) {
    return JSON.stringify(object);
  }

  function toQueryString(object) {
    return $H(object).toQueryString();
  }

  function toHTML(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  }

  function keys(object) {
    if (Type(object) !== OBJECT_TYPE) { throw new TypeError(); }
    var results = [];
    for (var property in object) {
      if (object.hasOwnProperty(property)) {
        results.push(property);
      }
    }
    return results;
  }

  function values(object) {
    var results = [];
    for (var property in object)
      results.push(object[property]);
    return results;
  }

  function clone(object) {
    return extend({ }, object);
  }

  function isElement(object) {
    return !!(object && object.nodeType == 1);
  }

  function isArray(object) {
    return _toString.call(object) === ARRAY_CLASS;
  }

  var hasNativeIsArray = (typeof Array.isArray == 'function')
    && Array.isArray([]) && !Array.isArray({});

  if (hasNativeIsArray) {
    isArray = Array.isArray;
  }

  function isHash(object) {
    return object instanceof Hash;
  }

  function isFunction(object) {
    return typeof object === "function";
  }

  function isString(object) {
    return _toString.call(object) === STRING_CLASS;
  }

  function isNumber(object) {
    return _toString.call(object) === NUMBER_CLASS;
  }

  function isUndefined(object) {
    return typeof object === "undefined";
  }

  extend(Object, {
    extend:        extend,
    inspect:       inspect,
    toJSON:        NATIVE_JSON_STRINGIFY_SUPPORT ? stringify : toJSON,
    toQueryString: toQueryString,
    toHTML:        toHTML,
    keys:          Object.keys || keys,
    values:        values,
    clone:         clone,
    isElement:     isElement,
    isArray:       isArray,
    isHash:        isHash,
    isFunction:    isFunction,
    isString:      isString,
    isNumber:      isNumber,
    isUndefined:   isUndefined
  });
})();
Object.extend(Function.prototype, (function() {
  var slice = Array.prototype.slice;

  function update(array, args) {
    var arrayLength = array.length, length = args.length;
    while (length--) array[arrayLength + length] = args[length];
    return array;
  }

  function merge(array, args) {
    array = slice.call(array, 0);
    return update(array, args);
  }

  function argumentNames() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
      .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
      .replace(/\s+/g, '').split(',');
    return names.length == 1 && !names[0] ? [] : names;
  }

  function bind(context) {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = slice.call(arguments, 1);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(context, a);
    }
  }

  function bindAsEventListener(context) {
    var __method = this, args = slice.call(arguments, 1);
    return function(event) {
      var a = update([event || window.event], args);
      return __method.apply(context, a);
    }
  }

  function curry() {
    if (!arguments.length) return this;
    var __method = this, args = slice.call(arguments, 0);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(this, a);
    }
  }

  function delay(timeout) {
    var __method = this, args = slice.call(arguments, 1);
    timeout = timeout * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  }

  function defer() {
    var args = update([0.01], arguments);
    return this.delay.apply(this, args);
  }

  function wrap(wrapper) {
    var __method = this;
    return function() {
      var a = update([__method.bind(this)], arguments);
      return wrapper.apply(this, a);
    }
  }

  function methodize() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      var a = update([this], arguments);
      return __method.apply(null, a);
    };
  }

  return {
    argumentNames:       argumentNames,
    bind:                bind,
    bindAsEventListener: bindAsEventListener,
    curry:               curry,
    delay:               delay,
    defer:               defer,
    wrap:                wrap,
    methodize:           methodize
  }
})());



(function(proto) {


  function toISOString() {
    return this.getUTCFullYear() + '-' +
      (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
      this.getUTCDate().toPaddedString(2) + 'T' +
      this.getUTCHours().toPaddedString(2) + ':' +
      this.getUTCMinutes().toPaddedString(2) + ':' +
      this.getUTCSeconds().toPaddedString(2) + 'Z';
  }


  function toJSON() {
    return this.toISOString();
  }

  if (!proto.toISOString) proto.toISOString = toISOString;
  if (!proto.toJSON) proto.toJSON = toJSON;

})(Date.prototype);


RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};
var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
        this.currentlyExecuting = false;
      } catch(e) {
        this.currentlyExecuting = false;
        throw e;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, (function() {
  var NATIVE_JSON_PARSE_SUPPORT = window.JSON &&
    typeof JSON.parse === 'function' &&
    JSON.parse('{"test": true}').test;

  function prepareReplacement(replacement) {
    if (Object.isFunction(replacement)) return replacement;
    var template = new Template(replacement);
    return function(match) { return template.evaluate(match) };
  }

  function gsub(pattern, replacement) {
    var result = '', source = this, match;
    replacement = prepareReplacement(replacement);

    if (Object.isString(pattern))
      pattern = RegExp.escape(pattern);

    if (!(pattern.length || pattern.source)) {
      replacement = replacement('');
      return replacement + source.split('').join(replacement) + replacement;
    }

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  }

  function sub(pattern, replacement, count) {
    replacement = prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  }

  function scan(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  }

  function truncate(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  }

  function strip() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  }

  function stripTags() {
    return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
  }

  function stripScripts() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  }

  function extractScripts() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img'),
        matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  }

  function evalScripts() {
    return this.extractScripts().map(function(script) { return eval(script) });
  }

  function escapeHTML() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  }

  function unescapeHTML() {
    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
  }


  function toQueryParams(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift()),
            value = pair.length > 1 ? pair.join('=') : pair[0];

        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  }

  function toArray() {
    return this.split('');
  }

  function succ() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  }

  function times(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  }

  function camelize() {
    return this.replace(/-+(.)?/g, function(match, chr) {
      return chr ? chr.toUpperCase() : '';
    });
  }

  function capitalize() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  }

  function underscore() {
    return this.replace(/::/g, '/')
               .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
               .replace(/([a-z\d])([A-Z])/g, '$1_$2')
               .replace(/-/g, '_')
               .toLowerCase();
  }

  function dasherize() {
    return this.replace(/_/g, '-');
  }

  function inspect(useDoubleQuotes) {
    var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
      if (character in String.specialChar) {
        return String.specialChar[character];
      }
      return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  }

  function unfilterJSON(filter) {
    return this.replace(filter || Prototype.JSONFilter, '$1');
  }

  function isJSON() {
    var str = this;
    if (str.blank()) return false;
    str = str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@');
    str = str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']');
    str = str.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
    return (/^[\],:{}\s]*$/).test(str);
  }

  function evalJSON(sanitize) {
    var json = this.unfilterJSON(),
        cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
    if (cx.test(json)) {
      json = json.replace(cx, function (a) {
        return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
      });
    }
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  }

  function parseJSON() {
    var json = this.unfilterJSON();
    return JSON.parse(json);
  }

  function include(pattern) {
    return this.indexOf(pattern) > -1;
  }

  function startsWith(pattern) {
    return this.lastIndexOf(pattern, 0) === 0;
  }

  function endsWith(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.indexOf(pattern, d) === d;
  }

  function empty() {
    return this == '';
  }

  function blank() {
    return /^\s*$/.test(this);
  }

  function interpolate(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }

  return {
    gsub:           gsub,
    sub:            sub,
    scan:           scan,
    truncate:       truncate,
    strip:          String.prototype.trim || strip,
    stripTags:      stripTags,
    stripScripts:   stripScripts,
    extractScripts: extractScripts,
    evalScripts:    evalScripts,
    escapeHTML:     escapeHTML,
    unescapeHTML:   unescapeHTML,
    toQueryParams:  toQueryParams,
    parseQuery:     toQueryParams,
    toArray:        toArray,
    succ:           succ,
    times:          times,
    camelize:       camelize,
    capitalize:     capitalize,
    underscore:     underscore,
    dasherize:      dasherize,
    inspect:        inspect,
    unfilterJSON:   unfilterJSON,
    isJSON:         isJSON,
    evalJSON:       NATIVE_JSON_PARSE_SUPPORT ? parseJSON : evalJSON,
    include:        include,
    startsWith:     startsWith,
    endsWith:       endsWith,
    empty:          empty,
    blank:          blank,
    interpolate:    interpolate
  };
})());

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (object && Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return (match[1] + '');

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3],
          pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;

      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    });
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = (function() {
  function each(iterator, context) {
    var index = 0;
    try {
      this._each(function(value) {
        iterator.call(context, value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  }

  function eachSlice(number, iterator, context) {
    var index = -number, slices = [], array = this.toArray();
    if (number < 1) return array;
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  }

  function all(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator.call(context, value, index);
      if (!result) throw $break;
    });
    return result;
  }

  function any(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator.call(context, value, index))
        throw $break;
    });
    return result;
  }

  function collect(iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator.call(context, value, index));
    });
    return results;
  }

  function detect(iterator, context) {
    var result;
    this.each(function(value, index) {
      if (iterator.call(context, value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  }

  function findAll(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  }

  function grep(filter, iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(RegExp.escape(filter));

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator.call(context, value, index));
    });
    return results;
  }

  function include(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  }

  function inGroupsOf(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  }

  function inject(memo, iterator, context) {
    this.each(function(value, index) {
      memo = iterator.call(context, memo, value, index);
    });
    return memo;
  }

  function invoke(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  }

  function max(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  }

  function min(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  }

  function partition(iterator, context) {
    iterator = iterator || Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator.call(context, value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  }

  function pluck(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  }

  function reject(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  }

  function sortBy(iterator, context) {
    return this.map(function(value, index) {
      return {
        value: value,
        criteria: iterator.call(context, value, index)
      };
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  }

  function toArray() {
    return this.map();
  }

  function zip() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  }

  function size() {
    return this.toArray().length;
  }

  function inspect() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }









  return {
    each:       each,
    eachSlice:  eachSlice,
    all:        all,
    every:      all,
    any:        any,
    some:       any,
    collect:    collect,
    map:        collect,
    detect:     detect,
    findAll:    findAll,
    select:     findAll,
    filter:     findAll,
    grep:       grep,
    include:    include,
    member:     include,
    inGroupsOf: inGroupsOf,
    inject:     inject,
    invoke:     invoke,
    max:        max,
    min:        min,
    partition:  partition,
    pluck:      pluck,
    reject:     reject,
    sortBy:     sortBy,
    toArray:    toArray,
    entries:    toArray,
    zip:        zip,
    size:       size,
    inspect:    inspect,
    find:       detect
  };
})();

function $A(iterable) {
  if (!iterable) return [];
  if ('toArray' in Object(iterable)) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}


function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

Array.from = $A;


(function() {
  var arrayProto = Array.prototype,
      slice = arrayProto.slice,
      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available

  function each(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  }
  if (!_each) _each = each;

  function clear() {
    this.length = 0;
    return this;
  }

  function first() {
    return this[0];
  }

  function last() {
    return this[this.length - 1];
  }

  function compact() {
    return this.select(function(value) {
      return value != null;
    });
  }

  function flatten() {
    return this.inject([], function(array, value) {
      if (Object.isArray(value))
        return array.concat(value.flatten());
      array.push(value);
      return array;
    });
  }

  function without() {
    var values = slice.call(arguments, 0);
    return this.select(function(value) {
      return !values.include(value);
    });
  }

  function reverse(inline) {
    return (inline === false ? this.toArray() : this)._reverse();
  }

  function uniq(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  }

  function intersect(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  }


  function clone() {
    return slice.call(this, 0);
  }

  function size() {
    return this.length;
  }

  function inspect() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  }

  function indexOf(item, i) {
    i || (i = 0);
    var length = this.length;
    if (i < 0) i = length + i;
    for (; i < length; i++)
      if (this[i] === item) return i;
    return -1;
  }

  function lastIndexOf(item, i) {
    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
    var n = this.slice(0, i).reverse().indexOf(item);
    return (n < 0) ? n : i - n - 1;
  }

  function concat() {
    var array = slice.call(this, 0), item;
    for (var i = 0, length = arguments.length; i < length; i++) {
      item = arguments[i];
      if (Object.isArray(item) && !('callee' in item)) {
        for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
          array.push(item[j]);
      } else {
        array.push(item);
      }
    }
    return array;
  }

  Object.extend(arrayProto, Enumerable);

  if (!arrayProto._reverse)
    arrayProto._reverse = arrayProto.reverse;

  Object.extend(arrayProto, {
    _each:     _each,
    clear:     clear,
    first:     first,
    last:      last,
    compact:   compact,
    flatten:   flatten,
    without:   without,
    reverse:   reverse,
    uniq:      uniq,
    intersect: intersect,
    clone:     clone,
    toArray:   clone,
    size:      size,
    inspect:   inspect
  });

  var CONCAT_ARGUMENTS_BUGGY = (function() {
    return [].concat(arguments)[0][0] !== 1;
  })(1,2)

  if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;

  if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
  if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
})();
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {
  function initialize(object) {
    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
  }


  function _each(iterator) {
    for (var key in this._object) {
      var value = this._object[key], pair = [key, value];
      pair.key = key;
      pair.value = value;
      iterator(pair);
    }
  }

  function set(key, value) {
    return this._object[key] = value;
  }

  function get(key) {
    if (this._object[key] !== Object.prototype[key])
      return this._object[key];
  }

  function unset(key) {
    var value = this._object[key];
    delete this._object[key];
    return value;
  }

  function toObject() {
    return Object.clone(this._object);
  }



  function keys() {
    return this.pluck('key');
  }

  function values() {
    return this.pluck('value');
  }

  function index(value) {
    var match = this.detect(function(pair) {
      return pair.value === value;
    });
    return match && match.key;
  }

  function merge(object) {
    return this.clone().update(object);
  }

  function update(object) {
    return new Hash(object).inject(this, function(result, pair) {
      result.set(pair.key, pair.value);
      return result;
    });
  }

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  function toQueryString() {
    return this.inject([], function(results, pair) {
      var key = encodeURIComponent(pair.key), values = pair.value;

      if (values && typeof values == 'object') {
        if (Object.isArray(values))
          return results.concat(values.map(toQueryPair.curry(key)));
      } else results.push(toQueryPair(key, values));
      return results;
    }).join('&');
  }

  function inspect() {
    return '#<Hash:{' + this.map(function(pair) {
      return pair.map(Object.inspect).join(': ');
    }).join(', ') + '}>';
  }

  function clone() {
    return new Hash(this);
  }

  return {
    initialize:             initialize,
    _each:                  _each,
    set:                    set,
    get:                    get,
    unset:                  unset,
    toObject:               toObject,
    toTemplateReplacements: toObject,
    keys:                   keys,
    values:                 values,
    index:                  index,
    merge:                  merge,
    update:                 update,
    toQueryString:          toQueryString,
    inspect:                inspect,
    toJSON:                 toObject,
    clone:                  clone
  };
})());

Hash.from = $H;
Object.extend(Number.prototype, (function() {
  function toColorPart() {
    return this.toPaddedString(2, 16);
  }

  function succ() {
    return this + 1;
  }

  function times(iterator, context) {
    $R(0, this, true).each(iterator, context);
    return this;
  }

  function toPaddedString(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  }

  function abs() {
    return Math.abs(this);
  }

  function round() {
    return Math.round(this);
  }

  function ceil() {
    return Math.ceil(this);
  }

  function floor() {
    return Math.floor(this);
  }

  return {
    toColorPart:    toColorPart,
    succ:           succ,
    times:          times,
    toPaddedString: toPaddedString,
    abs:            abs,
    round:          round,
    ceil:           ceil,
    floor:          floor
  };
})());

function $R(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
}

var ObjectRange = Class.create(Enumerable, (function() {
  function initialize(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  }

  function _each(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  }

  function include(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }

  return {
    initialize: initialize,
    _each:      _each,
    include:    include
  };
})());



var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});
Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});
Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.isString(this.options.parameters) ?
          this.options.parameters :
          Object.toQueryString(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      params += (params ? '&' : '') + "_method=" + this.method;
      this.method = 'post';
    }

    if (params) {
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    this.parameters = params.toQueryParams();

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && this.isSameOrigin() && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null; }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];








Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if (readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,

  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});


function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}



(function(global) {

  var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
    try {
      var el = document.createElement('<input name="x">');
      return el.tagName.toLowerCase() === 'input' && el.name === 'x';
    }
    catch(err) {
      return false;
    }
  })();

  var element = global.Element;

  global.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;

    if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }

    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));

    var node = ('type' in attributes) ? document.createElement(tagName) :
     cache[tagName].cloneNode(false);

    return Element.writeAttribute(node, attributes);
  };

  Object.extend(global.Element, element || { });
  if (element) global.Element.prototype = element.prototype;

})(this);

Element.idCounter = 1;
Element.cache = { };

Element._purgeElement = function(element) {
  var uid = element._prototypeUID;
  if (uid) {
    Element.stopObserving(element);
    element._prototypeUID = void 0;
    delete Element.Storage[uid];
  }
}

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    element = $(element);
    element.style.display = 'none';
    return element;
  },

  show: function(element) {
    element = $(element);
    element.style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: (function(){

    var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
      var el = document.createElement("select"),
          isBuggy = true;
      el.innerHTML = "<option value=\"test\">test</option>";
      if (el.options && el.options[0]) {
        isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
      }
      el = null;
      return isBuggy;
    })();

    var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
      try {
        var el = document.createElement("table");
        if (el && el.tBodies) {
          el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
          var isBuggy = typeof el.tBodies[0] == "undefined";
          el = null;
          return isBuggy;
        }
      } catch (e) {
        return true;
      }
    })();

    var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
      var s = document.createElement("script"),
          isBuggy = false;
      try {
        s.appendChild(document.createTextNode(""));
        isBuggy = !s.firstChild ||
          s.firstChild && s.firstChild.nodeType !== 3;
      } catch (e) {
        isBuggy = true;
      }
      s = null;
      return isBuggy;
    })();

    function update(element, content) {
      element = $(element);
      var purgeElement = Element._purgeElement;

      var descendants = element.getElementsByTagName('*'),
       i = descendants.length;
      while (i--) purgeElement(descendants[i]);

      if (content && content.toElement)
        content = content.toElement();

      if (Object.isElement(content))
        return element.update().insert(content);

      content = Object.toHTML(content);

      var tagName = element.tagName.toUpperCase();

      if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
        element.text = content;
        return element;
      }

      if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) {
        if (tagName in Element._insertionTranslations.tags) {
          while (element.firstChild) {
            element.removeChild(element.firstChild);
          }
          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
            .each(function(node) {
              element.appendChild(node)
            });
        }
        else {
          element.innerHTML = content.stripScripts();
        }
      }
      else {
        element.innerHTML = content.stripScripts();
      }

      content.evalScripts.bind(content).defer();
      return element;
    }

    return update;
  })(),

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(),
          attribute = pair.last(),
          value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property, maximumLength) {
    element = $(element);
    maximumLength = maximumLength || -1;
    var elements = [];

    while (element = element[property]) {
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
      if (elements.length == maximumLength)
        break;
    }

    return elements;
  },

  ancestors: function(element) {
    return Element.recursivelyCollect(element, 'parentNode');
  },

  descendants: function(element) {
    return Element.select(element, "*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    var results = [], child = $(element).firstChild;
    while (child) {
      if (child.nodeType === 1) {
        results.push(Element.extend(child));
      }
      child = child.nextSibling;
    }
    return results;
  },

  previousSiblings: function(element, maximumLength) {
    return Element.recursivelyCollect(element, 'previousSibling');
  },

  nextSiblings: function(element) {
    return Element.recursivelyCollect(element, 'nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return Element.previousSiblings(element).reverse()
      .concat(Element.nextSiblings(element));
  },

  match: function(element, selector) {
    element = $(element);
    if (Object.isString(selector))
      return Prototype.Selector.match(element, selector);
    return selector.match(element);
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = Element.ancestors(element);
    return Object.isNumber(expression) ? ancestors[expression] :
      Prototype.Selector.find(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return Element.firstDescendant(element);
    return Object.isNumber(expression) ? Element.descendants(element)[expression] :
      Element.select(element, expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (Object.isNumber(expression)) index = expression, expression = false;
    if (!Object.isNumber(index)) index = 0;

    if (expression) {
      return Prototype.Selector.find(element.previousSiblings(), expression, index);
    } else {
      return element.recursivelyCollect("previousSibling", index + 1)[index];
    }
  },

  next: function(element, expression, index) {
    element = $(element);
    if (Object.isNumber(expression)) index = expression, expression = false;
    if (!Object.isNumber(index)) index = 0;

    if (expression) {
      return Prototype.Selector.find(element.nextSiblings(), expression, index);
    } else {
      var maximumLength = Object.isNumber(index) ? index + 1 : 1;
      return element.recursivelyCollect("nextSibling", index + 1)[index];
    }
  },


  select: function(element) {
    element = $(element);
    var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
    return Prototype.Selector.select(expressions, element);
  },

  adjacent: function(element) {
    element = $(element);
    var expressions = Array.prototype.slice.call(arguments, 1).join(', ');
    return Prototype.Selector.select(expressions, element.parentNode).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = Element.readAttribute(element, 'id');
    if (id) return id;
    do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
    Element.writeAttribute(element, 'id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return Element.getDimensions(element).height;
  },

  getWidth: function(element) {
    return Element.getDimensions(element).width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!Element.hasClassName(element, className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return Element[Element.hasClassName(element, className) ?
      'removeClassName' : 'addClassName'](element, className);
  },

  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (ancestor.contains)
      return ancestor.contains(element) && ancestor !== element;

    while (element = element.parentNode)
      if (element == ancestor) return true;

    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = Element.cumulativeOffset(element);
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value || value == 'auto') {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      if (Prototype.Browser.Opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    source = $(source);
    var p = Element.viewportOffset(source), delta = [0, 0], parent = null;

    element = $(element);

    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = Element.getOffsetParent(element);
      delta = Element.viewportOffset(parent);
    }

    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,

  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        case 'height': case 'width':
          if (!Element.visible(element)) return null;

          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = (function(){

    var classProp = 'className',
        forProp = 'for',
        el = document.createElement('div');

    el.setAttribute(classProp, 'x');

    if (el.className !== 'x') {
      el.setAttribute('class', 'x');
      if (el.className === 'x') {
        classProp = 'class';
      }
    }
    el = null;

    el = document.createElement('label');
    el.setAttribute(forProp, 'x');
    if (el.htmlFor !== 'x') {
      el.setAttribute('htmlFor', 'x');
      if (el.htmlFor === 'x') {
        forProp = 'htmlFor';
      }
    }
    el = null;

    return {
      read: {
        names: {
          'class':      classProp,
          'className':  classProp,
          'for':        forProp,
          'htmlFor':    forProp
        },
        values: {
          _getAttr: function(element, attribute) {
            return element.getAttribute(attribute);
          },
          _getAttr2: function(element, attribute) {
            return element.getAttribute(attribute, 2);
          },
          _getAttrNode: function(element, attribute) {
            var node = element.getAttributeNode(attribute);
            return node ? node.value : "";
          },
          _getEv: (function(){

            var el = document.createElement('div'), f;
            el.onclick = Prototype.emptyFunction;
            var value = el.getAttribute('onclick');

            if (String(value).indexOf('{') > -1) {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                attribute = attribute.toString();
                attribute = attribute.split('{')[1];
                attribute = attribute.split('}')[0];
                return attribute.strip();
              };
            }
            else if (value === '') {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                return attribute.strip();
              };
            }
            el = null;
            return f;
          })(),
          _flag: function(element, attribute) {
            return $(element).hasAttribute(attribute) ? attribute : null;
          },
          style: function(element) {
            return element.style.cssText.toLowerCase();
          },
          title: function(element) {
            return element.title;
          }
        }
      }
    }
  })();

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr2,
      src:         v._getAttr2,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);

  if (Prototype.BrowserFeatures.ElementExtensions) {
    (function() {
      function _descendants(element) {
        var nodes = element.getElementsByTagName('*'), results = [];
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName !== "!") // Filter out comment nodes.
            results.push(node);
        return results;
      }

      Element.Methods.down = function(element, expression, index) {
        element = $(element);
        if (arguments.length == 1) return element.firstDescendant();
        return Object.isNumber(expression) ? _descendants(element)[expression] :
          Element.select(element, expression)[index || 0];
      }
    })();
  }

}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if (element.tagName.toUpperCase() == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };
}

if ('outerHTML' in document.documentElement) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next(),
          fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'),
      t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    for (var i = t[2]; i--; ) {
      div = div.firstChild;
    }
  }
  else {
    div.innerHTML = html;
  }
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  var tags = Element._insertionTranslations.tags;
  Object.extend(tags, {
    THEAD: tags.TBODY,
    TFOOT: tags.TBODY,
    TH:    tags.TD
  });
})();

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return !!(node && node.specified);
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

(function(div) {

  if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
    window.HTMLElement = { };
    window.HTMLElement.prototype = div['__proto__'];
    Prototype.BrowserFeatures.ElementExtensions = true;
  }

  div = null;

})(document.createElement('div'));

Element.extend = (function() {

  function checkDeficiency(tagName) {
    if (typeof window.Element != 'undefined') {
      var proto = window.Element.prototype;
      if (proto) {
        var id = '_' + (Math.random()+'').slice(2),
            el = document.createElement(tagName);
        proto[id] = 'x';
        var isBuggy = (el[id] !== 'x');
        delete proto[id];
        el = null;
        return isBuggy;
      }
    }
    return false;
  }

  function extendElementWith(element, methods) {
    for (var property in methods) {
      var value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }
  }

  var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');

  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
      return function(element) {
        if (element && typeof element._extendedByPrototype == 'undefined') {
          var t = element.tagName;
          if (t && (/^(?:object|applet|embed)$/i.test(t))) {
            extendElementWith(element, Element.Methods);
            extendElementWith(element, Element.Methods.Simulated);
            extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
          }
        }
        return element;
      }
    }
    return Prototype.K;
  }

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || typeof element._extendedByPrototype != 'undefined' ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
        tagName = element.tagName.toUpperCase();

    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    extendElementWith(element, methods);

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

if (document.documentElement.hasAttribute) {
  Element.hasAttribute = function(element, attribute) {
    return element.hasAttribute(attribute);
  };
}
else {
  Element.hasAttribute = Element.Methods.Simulated.hasAttribute;
}

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    var element = document.createElement(tagName),
        proto = element['__proto__'] || element.constructor.prototype;

    element = null;
    return proto;
  }

  var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
   Element.prototype;

  if (F.ElementExtensions) {
    copy(Element.Methods, elementPrototype);
    copy(Element.Methods.Simulated, elementPrototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};


document.viewport = {

  getDimensions: function() {
    return { width: this.getWidth(), height: this.getHeight() };
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop);
  }
};

(function(viewport) {
  var B = Prototype.Browser, doc = document, element, property = {};

  function getRootElement() {
    if (B.WebKit && !doc.evaluate)
      return document;

    if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
      return document.body;

    return document.documentElement;
  }

  function define(D) {
    if (!element) element = getRootElement();

    property[D] = 'client' + D;

    viewport['get' + D] = function() { return element[property[D]] };
    return viewport['get' + D]();
  }

  viewport.getWidth  = define.curry('Width');

  viewport.getHeight = define.curry('Height');
})(document.viewport);


Element.Storage = {
  UID: 1
};

Element.addMethods({
  getStorage: function(element) {
    if (!(element = $(element))) return;

    var uid;
    if (element === window) {
      uid = 0;
    } else {
      if (typeof element._prototypeUID === "undefined")
        element._prototypeUID = Element.Storage.UID++;
      uid = element._prototypeUID;
    }

    if (!Element.Storage[uid])
      Element.Storage[uid] = $H();

    return Element.Storage[uid];
  },

  store: function(element, key, value) {
    if (!(element = $(element))) return;

    if (arguments.length === 2) {
      Element.getStorage(element).update(key);
    } else {
      Element.getStorage(element).set(key, value);
    }

    return element;
  },

  retrieve: function(element, key, defaultValue) {
    if (!(element = $(element))) return;
    var hash = Element.getStorage(element), value = hash.get(key);

    if (Object.isUndefined(value)) {
      hash.set(key, defaultValue);
      value = defaultValue;
    }

    return value;
  },

  clone: function(element, deep) {
    if (!(element = $(element))) return;
    var clone = element.cloneNode(deep);
    clone._prototypeUID = void 0;
    if (deep) {
      var descendants = Element.select(clone, '*'),
          i = descendants.length;
      while (i--) {
        descendants[i]._prototypeUID = void 0;
      }
    }
    return Element.extend(clone);
  },

  purge: function(element) {
    if (!(element = $(element))) return;
    var purgeElement = Element._purgeElement;

    purgeElement(element);

    var descendants = element.getElementsByTagName('*'),
     i = descendants.length;

    while (i--) purgeElement(descendants[i]);

    return null;
  }
});

(function() {

  function toDecimal(pctString) {
    var match = pctString.match(/^(\d+)%?$/i);
    if (!match) return null;
    return (Number(match[1]) / 100);
  }

  function getPixelValue(value, property, context) {
    var element = null;
    if (Object.isElement(value)) {
      element = value;
      value = element.getStyle(property);
    }

    if (value === null) {
      return null;
    }

    if ((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)) {
      return window.parseFloat(value);
    }

    var isPercentage = value.include('%'), isViewport = (context === document.viewport);

    if (/\d/.test(value) && element && element.runtimeStyle && !(isPercentage && isViewport)) {
      var style = element.style.left, rStyle = element.runtimeStyle.left;
      element.runtimeStyle.left = element.currentStyle.left;
      element.style.left = value || 0;
      value = element.style.pixelLeft;
      element.style.left = style;
      element.runtimeStyle.left = rStyle;

      return value;
    }

    if (element && isPercentage) {
      context = context || element.parentNode;
      var decimal = toDecimal(value);
      var whole = null;
      var position = element.getStyle('position');

      var isHorizontal = property.include('left') || property.include('right') ||
       property.include('width');

      var isVertical =  property.include('top') || property.include('bottom') ||
        property.include('height');

      if (context === document.viewport) {
        if (isHorizontal) {
          whole = document.viewport.getWidth();
        } else if (isVertical) {
          whole = document.viewport.getHeight();
        }
      } else {
        if (isHorizontal) {
          whole = $(context).measure('width');
        } else if (isVertical) {
          whole = $(context).measure('height');
        }
      }

      return (whole === null) ? 0 : whole * decimal;
    }

    return 0;
  }

  function toCSSPixels(number) {
    if (Object.isString(number) && number.endsWith('px')) {
      return number;
    }
    return number + 'px';
  }

  function isDisplayed(element) {
    var originalElement = element;
    while (element && element.parentNode) {
      var display = element.getStyle('display');
      if (display === 'none') {
        return false;
      }
      element = $(element.parentNode);
    }
    return true;
  }

  var hasLayout = Prototype.K;
  if ('currentStyle' in document.documentElement) {
    hasLayout = function(element) {
      if (!element.currentStyle.hasLayout) {
        element.style.zoom = 1;
      }
      return element;
    };
  }

  function cssNameFor(key) {
    if (key.include('border')) key = key + '-width';
    return key.camelize();
  }

  Element.Layout = Class.create(Hash, {
    initialize: function($super, element, preCompute) {
      $super();
      this.element = $(element);

      Element.Layout.PROPERTIES.each( function(property) {
        this._set(property, null);
      }, this);

      if (preCompute) {
        this._preComputing = true;
        this._begin();
        Element.Layout.PROPERTIES.each( this._compute, this );
        this._end();
        this._preComputing = false;
      }
    },

    _set: function(property, value) {
      return Hash.prototype.set.call(this, property, value);
    },

    set: function(property, value) {
      throw "Properties of Element.Layout are read-only.";
    },

    get: function($super, property) {
      var value = $super(property);
      return value === null ? this._compute(property) : value;
    },

    _begin: function() {
      if (this._prepared) return;

      var element = this.element;
      if (isDisplayed(element)) {
        this._prepared = true;
        return;
      }

      var originalStyles = {
        position:   element.style.position   || '',
        width:      element.style.width      || '',
        visibility: element.style.visibility || '',
        display:    element.style.display    || ''
      };

      element.store('prototype_original_styles', originalStyles);

      var position = element.getStyle('position'),
       width = element.getStyle('width');

      var context = (position === 'fixed') ? document.viewport :
       element.parentNode;

      element.setStyle({
        position:   'absolute',
        visibility: 'hidden',
        display:    'block'
      });

      var positionedWidth = element.getStyle('width');

      var newWidth;
      if (width && (positionedWidth === width)) {
        newWidth = getPixelValue(element, 'width', context);
      } else if (position === 'absolute' || position === 'fixed') {
        newWidth = getPixelValue(element, 'width', context);
      } else {
        var parent = element.parentNode, pLayout = $(parent).getLayout();

        newWidth = pLayout.get('width') -
         this.get('margin-left') -
         this.get('border-left') -
         this.get('padding-left') -
         this.get('padding-right') -
         this.get('border-right') -
         this.get('margin-right');
      }

      element.setStyle({ width: newWidth + 'px' });

      this._prepared = true;
    },

    _end: function() {
      var element = this.element;
      var originalStyles = element.retrieve('prototype_original_styles');
      element.store('prototype_original_styles', null);
      element.setStyle(originalStyles);
      this._prepared = false;
    },

    _compute: function(property) {
      var COMPUTATIONS = Element.Layout.COMPUTATIONS;
      if (!(property in COMPUTATIONS)) {
        throw "Property not found.";
      }

      return this._set(property, COMPUTATIONS[property].call(this, this.element));
    },

    toObject: function() {
      var args = $A(arguments);
      var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
       args.join(' ').split(' ');
      var obj = {};
      keys.each( function(key) {
        if (!Element.Layout.PROPERTIES.include(key)) return;
        var value = this.get(key);
        if (value != null) obj[key] = value;
      }, this);
      return obj;
    },

    toHash: function() {
      var obj = this.toObject.apply(this, arguments);
      return new Hash(obj);
    },

    toCSS: function() {
      var args = $A(arguments);
      var keys = (args.length === 0) ? Element.Layout.PROPERTIES :
       args.join(' ').split(' ');
      var css = {};

      keys.each( function(key) {
        if (!Element.Layout.PROPERTIES.include(key)) return;
        if (Element.Layout.COMPOSITE_PROPERTIES.include(key)) return;

        var value = this.get(key);
        if (value != null) css[cssNameFor(key)] = value + 'px';
      }, this);
      return css;
    },

    inspect: function() {
      return "#<Element.Layout>";
    }
  });

  Object.extend(Element.Layout, {
    PROPERTIES: $w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),

    COMPOSITE_PROPERTIES: $w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),

    COMPUTATIONS: {
      'height': function(element) {
        if (!this._preComputing) this._begin();

        var bHeight = this.get('border-box-height');
        if (bHeight <= 0) {
          if (!this._preComputing) this._end();
          return 0;
        }

        var bTop = this.get('border-top'),
         bBottom = this.get('border-bottom');

        var pTop = this.get('padding-top'),
         pBottom = this.get('padding-bottom');

        if (!this._preComputing) this._end();

        return bHeight - bTop - bBottom - pTop - pBottom;
      },

      'width': function(element) {
        if (!this._preComputing) this._begin();

        var bWidth = this.get('border-box-width');
        if (bWidth <= 0) {
          if (!this._preComputing) this._end();
          return 0;
        }

        var bLeft = this.get('border-left'),
         bRight = this.get('border-right');

        var pLeft = this.get('padding-left'),
         pRight = this.get('padding-right');

        if (!this._preComputing) this._end();

        return bWidth - bLeft - bRight - pLeft - pRight;
      },

      'padding-box-height': function(element) {
        var height = this.get('height'),
         pTop = this.get('padding-top'),
         pBottom = this.get('padding-bottom');

        return height + pTop + pBottom;
      },

      'padding-box-width': function(element) {
        var width = this.get('width'),
         pLeft = this.get('padding-left'),
         pRight = this.get('padding-right');

        return width + pLeft + pRight;
      },

      'border-box-height': function(element) {
        if (!this._preComputing) this._begin();
        var height = element.offsetHeight;
        if (!this._preComputing) this._end();
        return height;
      },

      'border-box-width': function(element) {
        if (!this._preComputing) this._begin();
        var width = element.offsetWidth;
        if (!this._preComputing) this._end();
        return width;
      },

      'margin-box-height': function(element) {
        var bHeight = this.get('border-box-height'),
         mTop = this.get('margin-top'),
         mBottom = this.get('margin-bottom');

        if (bHeight <= 0) return 0;

        return bHeight + mTop + mBottom;
      },

      'margin-box-width': function(element) {
        var bWidth = this.get('border-box-width'),
         mLeft = this.get('margin-left'),
         mRight = this.get('margin-right');

        if (bWidth <= 0) return 0;

        return bWidth + mLeft + mRight;
      },

      'top': function(element) {
        var offset = element.positionedOffset();
        return offset.top;
      },

      'bottom': function(element) {
        var offset = element.positionedOffset(),
         parent = element.getOffsetParent(),
         pHeight = parent.measure('height');

        var mHeight = this.get('border-box-height');

        return pHeight - mHeight - offset.top;
      },

      'left': function(element) {
        var offset = element.positionedOffset();
        return offset.left;
      },

      'right': function(element) {
        var offset = element.positionedOffset(),
         parent = element.getOffsetParent(),
         pWidth = parent.measure('width');

        var mWidth = this.get('border-box-width');

        return pWidth - mWidth - offset.left;
      },

      'padding-top': function(element) {
        return getPixelValue(element, 'paddingTop');
      },

      'padding-bottom': function(element) {
        return getPixelValue(element, 'paddingBottom');
      },

      'padding-left': function(element) {
        return getPixelValue(element, 'paddingLeft');
      },

      'padding-right': function(element) {
        return getPixelValue(element, 'paddingRight');
      },

      'border-top': function(element) {
        return getPixelValue(element, 'borderTopWidth');
      },

      'border-bottom': function(element) {
        return getPixelValue(element, 'borderBottomWidth');
      },

      'border-left': function(element) {
        return getPixelValue(element, 'borderLeftWidth');
      },

      'border-right': function(element) {
        return getPixelValue(element, 'borderRightWidth');
      },

      'margin-top': function(element) {
        return getPixelValue(element, 'marginTop');
      },

      'margin-bottom': function(element) {
        return getPixelValue(element, 'marginBottom');
      },

      'margin-left': function(element) {
        return getPixelValue(element, 'marginLeft');
      },

      'margin-right': function(element) {
        return getPixelValue(element, 'marginRight');
      }
    }
  });

  if ('getBoundingClientRect' in document.documentElement) {
    Object.extend(Element.Layout.COMPUTATIONS, {
      'right': function(element) {
        var parent = hasLayout(element.getOffsetParent());
        var rect = element.getBoundingClientRect(),
         pRect = parent.getBoundingClientRect();

        return (pRect.right - rect.right).round();
      },

      'bottom': function(element) {
        var parent = hasLayout(element.getOffsetParent());
        var rect = element.getBoundingClientRect(),
         pRect = parent.getBoundingClientRect();

        return (pRect.bottom - rect.bottom).round();
      }
    });
  }

  Element.Offset = Class.create({
    initialize: function(left, top) {
      this.left = left.round();
      this.top  = top.round();

      this[0] = this.left;
      this[1] = this.top;
    },

    relativeTo: function(offset) {
      return new Element.Offset(
        this.left - offset.left,
        this.top  - offset.top
      );
    },

    inspect: function() {
      return "#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
    },

    toString: function() {
      return "[#{left}, #{top}]".interpolate(this);
    },

    toArray: function() {
      return [this.left, this.top];
    }
  });

  function getLayout(element, preCompute) {
    return new Element.Layout(element, preCompute);
  }

  function measure(element, property) {
    return $(element).getLayout().get(property);
  }

  function getDimensions(element) {
    element = $(element);
    var display = Element.getStyle(element, 'display');

    if (display && display !== 'none') {
      return { width: element.offsetWidth, height: element.offsetHeight };
    }

    var style = element.style;
    var originalStyles = {
      visibility: style.visibility,
      position:   style.position,
      display:    style.display
    };

    var newStyles = {
      visibility: 'hidden',
      display:    'block'
    };

    if (originalStyles.position !== 'fixed')
      newStyles.position = 'absolute';

    Element.setStyle(element, newStyles);

    var dimensions = {
      width:  element.offsetWidth,
      height: element.offsetHeight
    };

    Element.setStyle(element, originalStyles);

    return dimensions;
  }

  function getOffsetParent(element) {
    if (isDetached(element)) return $(document.body);

    var isInline = (Element.getStyle(element, 'display') === 'inline');
    if (!isInline && element.offsetParent) return $(element.offsetParent);
    if (element === document.body) return $(element);

    while ((element = element.parentNode) && element !== document.body) {
      if (Element.getStyle(element, 'position') !== 'static') {
        return (element.nodeName === 'HTML') ? $(document.body) : $(element);
      }
    }

    return $(document.body);
  }


  function cumulativeOffset(element) {
    var valueT = 0, valueL = 0;
    if (element.parentNode) {
      do {
        valueT += element.offsetTop  || 0;
        valueL += element.offsetLeft || 0;
        element = element.offsetParent;
      } while (element);
    }
    return new Element.Offset(valueL, valueT);
  }

  function positionedOffset(element) {
    var layout = element.getLayout();

    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (isBody(element)) break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);

    valueL -= layout.get('margin-top');
    valueT -= layout.get('margin-left');

    return new Element.Offset(valueL, valueT);
  }

  function cumulativeScrollOffset(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return new Element.Offset(valueL, valueT);
  }

  function viewportOffset(forElement) {
    var valueT = 0, valueL = 0, docBody = document.body;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == docBody &&
        Element.getStyle(element, 'position') == 'absolute') break;
    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (element != docBody) {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);
    return new Element.Offset(valueL, valueT);
  }

  function absolutize(element) {
    element = $(element);

    if (Element.getStyle(element, 'position') === 'absolute') {
      return element;
    }

    var offsetParent = getOffsetParent(element);
    var eOffset = element.viewportOffset(),
     pOffset = offsetParent.viewportOffset();

    var offset = eOffset.relativeTo(pOffset);
    var layout = element.getLayout();

    element.store('prototype_absolutize_original_styles', {
      left:   element.getStyle('left'),
      top:    element.getStyle('top'),
      width:  element.getStyle('width'),
      height: element.getStyle('height')
    });

    element.setStyle({
      position: 'absolute',
      top:    offset.top + 'px',
      left:   offset.left + 'px',
      width:  layout.get('width') + 'px',
      height: layout.get('height') + 'px'
    });

    return element;
  }

  function relativize(element) {
    element = $(element);
    if (Element.getStyle(element, 'position') === 'relative') {
      return element;
    }

    var originalStyles =
     element.retrieve('prototype_absolutize_original_styles');

    if (originalStyles) element.setStyle(originalStyles);
    return element;
  }

  if (Prototype.Browser.IE) {
    getOffsetParent = getOffsetParent.wrap(
      function(proceed, element) {
        element = $(element);
        if (isDetached(element)) return $(document.body);

        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);

        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );

    positionedOffset = positionedOffset.wrap(function(proceed, element) {
      element = $(element);
      if (!element.parentNode) return new Element.Offset(0, 0);
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);

      var offsetParent = element.getOffsetParent();
      if (offsetParent && offsetParent.getStyle('position') === 'fixed')
        hasLayout(offsetParent);

      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    });
  } else if (Prototype.Browser.Webkit) {
    cumulativeOffset = function(element) {
      var valueT = 0, valueL = 0;
      do {
        valueT += element.offsetTop  || 0;
        valueL += element.offsetLeft || 0;
        if (element.offsetParent == document.body)
          if (Element.getStyle(element, 'position') == 'absolute') break;

        element = element.offsetParent;
      } while (element);

      return new Element.Offset(valueL, valueT);
    };
  }


  Element.addMethods({
    getLayout:              getLayout,
    measure:                measure,
    getDimensions:          getDimensions,
    getOffsetParent:        getOffsetParent,
    cumulativeOffset:       cumulativeOffset,
    positionedOffset:       positionedOffset,
    cumulativeScrollOffset: cumulativeScrollOffset,
    viewportOffset:         viewportOffset,
    absolutize:             absolutize,
    relativize:             relativize
  });

  function isBody(element) {
    return element.nodeName.toUpperCase() === 'BODY';
  }

  function isDetached(element) {
    return element !== document.body &&
     !Element.descendantOf(element, document.body);
  }

  if ('getBoundingClientRect' in document.documentElement) {
    Element.addMethods({
      viewportOffset: function(element) {
        element = $(element);
        if (isDetached(element)) return new Element.Offset(0, 0);

        var rect = element.getBoundingClientRect(),
         docEl = document.documentElement;
        return new Element.Offset(rect.left - docEl.clientLeft,
         rect.top - docEl.clientTop);
      }
    });
  }
})();
window.$$ = function() {
  var expression = $A(arguments).join(', ');
  return Prototype.Selector.select(expression, document);
};

Prototype.Selector = (function() {

  function select() {
    throw new Error('Method "Prototype.Selector.select" must be defined.');
  }

  function match() {
    throw new Error('Method "Prototype.Selector.match" must be defined.');
  }

  function find(elements, expression, index) {
    index = index || 0;
    var match = Prototype.Selector.match, length = elements.length, matchIndex = 0, i;

    for (i = 0; i < length; i++) {
      if (match(elements[i], expression) && index == matchIndex++) {
        return Element.extend(elements[i]);
      }
    }
  }

  function extendElements(elements) {
    for (var i = 0, length = elements.length; i < length; i++) {
      Element.extend(elements[i]);
    }
    return elements;
  }


  var K = Prototype.K;

  return {
    select: select,
    match: match,
    find: find,
    extendElements: (Element.extend === K) ? K : extendElements,
    extendElement: Element.extend
  };
})();
Prototype._original_property = window.Sizzle;
/*!
 * Sizzle CSS Selector Engine - v1.0
 *  Copyright 2009, The Dojo Foundation
 *  Released under the MIT, BSD, and GPL Licenses.
 *  More information: http://sizzlejs.com/
 */
(function(){

var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
	done = 0,
	toString = Object.prototype.toString,
	hasDuplicate = false,
	baseHasDuplicate = true;

[0, 0].sort(function(){
	baseHasDuplicate = false;
	return 0;
});

var Sizzle = function(selector, context, results, seed) {
	results = results || [];
	var origContext = context = context || document;

	if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
		return [];
	}

	if ( !selector || typeof selector !== "string" ) {
		return results;
	}

	var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context),
		soFar = selector;

	while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
		soFar = m[3];

		parts.push( m[1] );

		if ( m[2] ) {
			extra = m[3];
			break;
		}
	}

	if ( parts.length > 1 && origPOS.exec( selector ) ) {
		if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
			set = posProcess( parts[0] + parts[1], context );
		} else {
			set = Expr.relative[ parts[0] ] ?
				[ context ] :
				Sizzle( parts.shift(), context );

			while ( parts.length ) {
				selector = parts.shift();

				if ( Expr.relative[ selector ] )
					selector += parts.shift();

				set = posProcess( selector, set );
			}
		}
	} else {
		if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
				Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
			var ret = Sizzle.find( parts.shift(), context, contextXML );
			context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
		}

		if ( context ) {
			var ret = seed ?
				{ expr: parts.pop(), set: makeArray(seed) } :
				Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
			set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;

			if ( parts.length > 0 ) {
				checkSet = makeArray(set);
			} else {
				prune = false;
			}

			while ( parts.length ) {
				var cur = parts.pop(), pop = cur;

				if ( !Expr.relative[ cur ] ) {
					cur = "";
				} else {
					pop = parts.pop();
				}

				if ( pop == null ) {
					pop = context;
				}

				Expr.relative[ cur ]( checkSet, pop, contextXML );
			}
		} else {
			checkSet = parts = [];
		}
	}

	if ( !checkSet ) {
		checkSet = set;
	}

	if ( !checkSet ) {
		throw "Syntax error, unrecognized expression: " + (cur || selector);
	}

	if ( toString.call(checkSet) === "[object Array]" ) {
		if ( !prune ) {
			results.push.apply( results, checkSet );
		} else if ( context && context.nodeType === 1 ) {
			for ( var i = 0; checkSet[i] != null; i++ ) {
				if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
					results.push( set[i] );
				}
			}
		} else {
			for ( var i = 0; checkSet[i] != null; i++ ) {
				if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
					results.push( set[i] );
				}
			}
		}
	} else {
		makeArray( checkSet, results );
	}

	if ( extra ) {
		Sizzle( extra, origContext, results, seed );
		Sizzle.uniqueSort( results );
	}

	return results;
};

Sizzle.uniqueSort = function(results){
	if ( sortOrder ) {
		hasDuplicate = baseHasDuplicate;
		results.sort(sortOrder);

		if ( hasDuplicate ) {
			for ( var i = 1; i < results.length; i++ ) {
				if ( results[i] === results[i-1] ) {
					results.splice(i--, 1);
				}
			}
		}
	}

	return results;
};

Sizzle.matches = function(expr, set){
	return Sizzle(expr, null, null, set);
};

Sizzle.find = function(expr, context, isXML){
	var set, match;

	if ( !expr ) {
		return [];
	}

	for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
		var type = Expr.order[i], match;

		if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
			var left = match[1];
			match.splice(1,1);

			if ( left.substr( left.length - 1 ) !== "\\" ) {
				match[1] = (match[1] || "").replace(/\\/g, "");
				set = Expr.find[ type ]( match, context, isXML );
				if ( set != null ) {
					expr = expr.replace( Expr.match[ type ], "" );
					break;
				}
			}
		}
	}

	if ( !set ) {
		set = context.getElementsByTagName("*");
	}

	return {set: set, expr: expr};
};

Sizzle.filter = function(expr, set, inplace, not){
	var old = expr, result = [], curLoop = set, match, anyFound,
		isXMLFilter = set && set[0] && isXML(set[0]);

	while ( expr && set.length ) {
		for ( var type in Expr.filter ) {
			if ( (match = Expr.match[ type ].exec( expr )) != null ) {
				var filter = Expr.filter[ type ], found, item;
				anyFound = false;

				if ( curLoop == result ) {
					result = [];
				}

				if ( Expr.preFilter[ type ] ) {
					match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );

					if ( !match ) {
						anyFound = found = true;
					} else if ( match === true ) {
						continue;
					}
				}

				if ( match ) {
					for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
						if ( item ) {
							found = filter( item, match, i, curLoop );
							var pass = not ^ !!found;

							if ( inplace && found != null ) {
								if ( pass ) {
									anyFound = true;
								} else {
									curLoop[i] = false;
								}
							} else if ( pass ) {
								result.push( item );
								anyFound = true;
							}
						}
					}
				}

				if ( found !== undefined ) {
					if ( !inplace ) {
						curLoop = result;
					}

					expr = expr.replace( Expr.match[ type ], "" );

					if ( !anyFound ) {
						return [];
					}

					break;
				}
			}
		}

		if ( expr == old ) {
			if ( anyFound == null ) {
				throw "Syntax error, unrecognized expression: " + expr;
			} else {
				break;
			}
		}

		old = expr;
	}

	return curLoop;
};

var Expr = Sizzle.selectors = {
	order: [ "ID", "NAME", "TAG" ],
	match: {
		ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
		CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
		NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
		ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
		TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
		CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
		POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
		PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/
	},
	leftMatch: {},
	attrMap: {
		"class": "className",
		"for": "htmlFor"
	},
	attrHandle: {
		href: function(elem){
			return elem.getAttribute("href");
		}
	},
	relative: {
		"+": function(checkSet, part, isXML){
			var isPartStr = typeof part === "string",
				isTag = isPartStr && !/\W/.test(part),
				isPartStrNotTag = isPartStr && !isTag;

			if ( isTag && !isXML ) {
				part = part.toUpperCase();
			}

			for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
				if ( (elem = checkSet[i]) ) {
					while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}

					checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ?
						elem || false :
						elem === part;
				}
			}

			if ( isPartStrNotTag ) {
				Sizzle.filter( part, checkSet, true );
			}
		},
		">": function(checkSet, part, isXML){
			var isPartStr = typeof part === "string";

			if ( isPartStr && !/\W/.test(part) ) {
				part = isXML ? part : part.toUpperCase();

				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
					var elem = checkSet[i];
					if ( elem ) {
						var parent = elem.parentNode;
						checkSet[i] = parent.nodeName === part ? parent : false;
					}
				}
			} else {
				for ( var i = 0, l = checkSet.length; i < l; i++ ) {
					var elem = checkSet[i];
					if ( elem ) {
						checkSet[i] = isPartStr ?
							elem.parentNode :
							elem.parentNode === part;
					}
				}

				if ( isPartStr ) {
					Sizzle.filter( part, checkSet, true );
				}
			}
		},
		"": function(checkSet, part, isXML){
			var doneName = done++, checkFn = dirCheck;

			if ( !/\W/.test(part) ) {
				var nodeCheck = part = isXML ? part : part.toUpperCase();
				checkFn = dirNodeCheck;
			}

			checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
		},
		"~": function(checkSet, part, isXML){
			var doneName = done++, checkFn = dirCheck;

			if ( typeof part === "string" && !/\W/.test(part) ) {
				var nodeCheck = part = isXML ? part : part.toUpperCase();
				checkFn = dirNodeCheck;
			}

			checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
		}
	},
	find: {
		ID: function(match, context, isXML){
			if ( typeof context.getElementById !== "undefined" && !isXML ) {
				var m = context.getElementById(match[1]);
				return m ? [m] : [];
			}
		},
		NAME: function(match, context, isXML){
			if ( typeof context.getElementsByName !== "undefined" ) {
				var ret = [], results = context.getElementsByName(match[1]);

				for ( var i = 0, l = results.length; i < l; i++ ) {
					if ( results[i].getAttribute("name") === match[1] ) {
						ret.push( results[i] );
					}
				}

				return ret.length === 0 ? null : ret;
			}
		},
		TAG: function(match, context){
			return context.getElementsByTagName(match[1]);
		}
	},
	preFilter: {
		CLASS: function(match, curLoop, inplace, result, not, isXML){
			match = " " + match[1].replace(/\\/g, "") + " ";

			if ( isXML ) {
				return match;
			}

			for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
				if ( elem ) {
					if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) {
						if ( !inplace )
							result.push( elem );
					} else if ( inplace ) {
						curLoop[i] = false;
					}
				}
			}

			return false;
		},
		ID: function(match){
			return match[1].replace(/\\/g, "");
		},
		TAG: function(match, curLoop){
			for ( var i = 0; curLoop[i] === false; i++ ){}
			return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase();
		},
		CHILD: function(match){
			if ( match[1] == "nth" ) {
				var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
					match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" ||
					!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);

				match[2] = (test[1] + (test[2] || 1)) - 0;
				match[3] = test[3] - 0;
			}

			match[0] = done++;

			return match;
		},
		ATTR: function(match, curLoop, inplace, result, not, isXML){
			var name = match[1].replace(/\\/g, "");

			if ( !isXML && Expr.attrMap[name] ) {
				match[1] = Expr.attrMap[name];
			}

			if ( match[2] === "~=" ) {
				match[4] = " " + match[4] + " ";
			}

			return match;
		},
		PSEUDO: function(match, curLoop, inplace, result, not){
			if ( match[1] === "not" ) {
				if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
					match[3] = Sizzle(match[3], null, null, curLoop);
				} else {
					var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
					if ( !inplace ) {
						result.push.apply( result, ret );
					}
					return false;
				}
			} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
				return true;
			}

			return match;
		},
		POS: function(match){
			match.unshift( true );
			return match;
		}
	},
	filters: {
		enabled: function(elem){
			return elem.disabled === false && elem.type !== "hidden";
		},
		disabled: function(elem){
			return elem.disabled === true;
		},
		checked: function(elem){
			return elem.checked === true;
		},
		selected: function(elem){
			elem.parentNode.selectedIndex;
			return elem.selected === true;
		},
		parent: function(elem){
			return !!elem.firstChild;
		},
		empty: function(elem){
			return !elem.firstChild;
		},
		has: function(elem, i, match){
			return !!Sizzle( match[3], elem ).length;
		},
		header: function(elem){
			return /h\d/i.test( elem.nodeName );
		},
		text: function(elem){
			return "text" === elem.type;
		},
		radio: function(elem){
			return "radio" === elem.type;
		},
		checkbox: function(elem){
			return "checkbox" === elem.type;
		},
		file: function(elem){
			return "file" === elem.type;
		},
		password: function(elem){
			return "password" === elem.type;
		},
		submit: function(elem){
			return "submit" === elem.type;
		},
		image: function(elem){
			return "image" === elem.type;
		},
		reset: function(elem){
			return "reset" === elem.type;
		},
		button: function(elem){
			return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON";
		},
		input: function(elem){
			return /input|select|textarea|button/i.test(elem.nodeName);
		}
	},
	setFilters: {
		first: function(elem, i){
			return i === 0;
		},
		last: function(elem, i, match, array){
			return i === array.length - 1;
		},
		even: function(elem, i){
			return i % 2 === 0;
		},
		odd: function(elem, i){
			return i % 2 === 1;
		},
		lt: function(elem, i, match){
			return i < match[3] - 0;
		},
		gt: function(elem, i, match){
			return i > match[3] - 0;
		},
		nth: function(elem, i, match){
			return match[3] - 0 == i;
		},
		eq: function(elem, i, match){
			return match[3] - 0 == i;
		}
	},
	filter: {
		PSEUDO: function(elem, match, i, array){
			var name = match[1], filter = Expr.filters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			} else if ( name === "contains" ) {
				return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0;
			} else if ( name === "not" ) {
				var not = match[3];

				for ( var i = 0, l = not.length; i < l; i++ ) {
					if ( not[i] === elem ) {
						return false;
					}
				}

				return true;
			}
		},
		CHILD: function(elem, match){
			var type = match[1], node = elem;
			switch (type) {
				case 'only':
				case 'first':
					while ( (node = node.previousSibling) )  {
						if ( node.nodeType === 1 ) return false;
					}
					if ( type == 'first') return true;
					node = elem;
				case 'last':
					while ( (node = node.nextSibling) )  {
						if ( node.nodeType === 1 ) return false;
					}
					return true;
				case 'nth':
					var first = match[2], last = match[3];

					if ( first == 1 && last == 0 ) {
						return true;
					}

					var doneName = match[0],
						parent = elem.parentNode;

					if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
						var count = 0;
						for ( node = parent.firstChild; node; node = node.nextSibling ) {
							if ( node.nodeType === 1 ) {
								node.nodeIndex = ++count;
							}
						}
						parent.sizcache = doneName;
					}

					var diff = elem.nodeIndex - last;
					if ( first == 0 ) {
						return diff == 0;
					} else {
						return ( diff % first == 0 && diff / first >= 0 );
					}
			}
		},
		ID: function(elem, match){
			return elem.nodeType === 1 && elem.getAttribute("id") === match;
		},
		TAG: function(elem, match){
			return (match === "*" && elem.nodeType === 1) || elem.nodeName === match;
		},
		CLASS: function(elem, match){
			return (" " + (elem.className || elem.getAttribute("class")) + " ")
				.indexOf( match ) > -1;
		},
		ATTR: function(elem, match){
			var name = match[1],
				result = Expr.attrHandle[ name ] ?
					Expr.attrHandle[ name ]( elem ) :
					elem[ name ] != null ?
						elem[ name ] :
						elem.getAttribute( name ),
				value = result + "",
				type = match[2],
				check = match[4];

			return result == null ?
				type === "!=" :
				type === "=" ?
				value === check :
				type === "*=" ?
				value.indexOf(check) >= 0 :
				type === "~=" ?
				(" " + value + " ").indexOf(check) >= 0 :
				!check ?
				value && result !== false :
				type === "!=" ?
				value != check :
				type === "^=" ?
				value.indexOf(check) === 0 :
				type === "$=" ?
				value.substr(value.length - check.length) === check :
				type === "|=" ?
				value === check || value.substr(0, check.length + 1) === check + "-" :
				false;
		},
		POS: function(elem, match, i, array){
			var name = match[2], filter = Expr.setFilters[ name ];

			if ( filter ) {
				return filter( elem, i, match, array );
			}
		}
	}
};

var origPOS = Expr.match.POS;

for ( var type in Expr.match ) {
	Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
	Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source );
}

var makeArray = function(array, results) {
	array = Array.prototype.slice.call( array, 0 );

	if ( results ) {
		results.push.apply( results, array );
		return results;
	}

	return array;
};

try {
	Array.prototype.slice.call( document.documentElement.childNodes, 0 );

} catch(e){
	makeArray = function(array, results) {
		var ret = results || [];

		if ( toString.call(array) === "[object Array]" ) {
			Array.prototype.push.apply( ret, array );
		} else {
			if ( typeof array.length === "number" ) {
				for ( var i = 0, l = array.length; i < l; i++ ) {
					ret.push( array[i] );
				}
			} else {
				for ( var i = 0; array[i]; i++ ) {
					ret.push( array[i] );
				}
			}
		}

		return ret;
	};
}

var sortOrder;

if ( document.documentElement.compareDocumentPosition ) {
	sortOrder = function( a, b ) {
		if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return 0;
		}

		var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
} else if ( "sourceIndex" in document.documentElement ) {
	sortOrder = function( a, b ) {
		if ( !a.sourceIndex || !b.sourceIndex ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return 0;
		}

		var ret = a.sourceIndex - b.sourceIndex;
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
} else if ( document.createRange ) {
	sortOrder = function( a, b ) {
		if ( !a.ownerDocument || !b.ownerDocument ) {
			if ( a == b ) {
				hasDuplicate = true;
			}
			return 0;
		}

		var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
		aRange.setStart(a, 0);
		aRange.setEnd(a, 0);
		bRange.setStart(b, 0);
		bRange.setEnd(b, 0);
		var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
		if ( ret === 0 ) {
			hasDuplicate = true;
		}
		return ret;
	};
}

(function(){
	var form = document.createElement("div"),
		id = "script" + (new Date).getTime();
	form.innerHTML = "<a name='" + id + "'/>";

	var root = document.documentElement;
	root.insertBefore( form, root.firstChild );

	if ( !!document.getElementById( id ) ) {
		Expr.find.ID = function(match, context, isXML){
			if ( typeof context.getElementById !== "undefined" && !isXML ) {
				var m = context.getElementById(match[1]);
				return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
			}
		};

		Expr.filter.ID = function(elem, match){
			var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
			return elem.nodeType === 1 && node && node.nodeValue === match;
		};
	}

	root.removeChild( form );
	root = form = null; // release memory in IE
})();

(function(){

	var div = document.createElement("div");
	div.appendChild( document.createComment("") );

	if ( div.getElementsByTagName("*").length > 0 ) {
		Expr.find.TAG = function(match, context){
			var results = context.getElementsByTagName(match[1]);

			if ( match[1] === "*" ) {
				var tmp = [];

				for ( var i = 0; results[i]; i++ ) {
					if ( results[i].nodeType === 1 ) {
						tmp.push( results[i] );
					}
				}

				results = tmp;
			}

			return results;
		};
	}

	div.innerHTML = "<a href='#'></a>";
	if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
			div.firstChild.getAttribute("href") !== "#" ) {
		Expr.attrHandle.href = function(elem){
			return elem.getAttribute("href", 2);
		};
	}

	div = null; // release memory in IE
})();

if ( document.querySelectorAll ) (function(){
	var oldSizzle = Sizzle, div = document.createElement("div");
	div.innerHTML = "<p class='TEST'></p>";

	if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
		return;
	}

	Sizzle = function(query, context, extra, seed){
		context = context || document;

		if ( !seed && context.nodeType === 9 && !isXML(context) ) {
			try {
				return makeArray( context.querySelectorAll(query), extra );
			} catch(e){}
		}

		return oldSizzle(query, context, extra, seed);
	};

	for ( var prop in oldSizzle ) {
		Sizzle[ prop ] = oldSizzle[ prop ];
	}

	div = null; // release memory in IE
})();

if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){
	var div = document.createElement("div");
	div.innerHTML = "<div class='test e'></div><div class='test'></div>";

	if ( div.getElementsByClassName("e").length === 0 )
		return;

	div.lastChild.className = "e";

	if ( div.getElementsByClassName("e").length === 1 )
		return;

	Expr.order.splice(1, 0, "CLASS");
	Expr.find.CLASS = function(match, context, isXML) {
		if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
			return context.getElementsByClassName(match[1]);
		}
	};

	div = null; // release memory in IE
})();

function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	var sibDir = dir == "previousSibling" && !isXML;
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
		var elem = checkSet[i];
		if ( elem ) {
			if ( sibDir && elem.nodeType === 1 ){
				elem.sizcache = doneName;
				elem.sizset = i;
			}
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === doneName ) {
					match = checkSet[elem.sizset];
					break;
				}

				if ( elem.nodeType === 1 && !isXML ){
					elem.sizcache = doneName;
					elem.sizset = i;
				}

				if ( elem.nodeName === cur ) {
					match = elem;
					break;
				}

				elem = elem[dir];
			}

			checkSet[i] = match;
		}
	}
}

function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
	var sibDir = dir == "previousSibling" && !isXML;
	for ( var i = 0, l = checkSet.length; i < l; i++ ) {
		var elem = checkSet[i];
		if ( elem ) {
			if ( sibDir && elem.nodeType === 1 ) {
				elem.sizcache = doneName;
				elem.sizset = i;
			}
			elem = elem[dir];
			var match = false;

			while ( elem ) {
				if ( elem.sizcache === doneName ) {
					match = checkSet[elem.sizset];
					break;
				}

				if ( elem.nodeType === 1 ) {
					if ( !isXML ) {
						elem.sizcache = doneName;
						elem.sizset = i;
					}
					if ( typeof cur !== "string" ) {
						if ( elem === cur ) {
							match = true;
							break;
						}

					} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
						match = elem;
						break;
					}
				}

				elem = elem[dir];
			}

			checkSet[i] = match;
		}
	}
}

var contains = document.compareDocumentPosition ?  function(a, b){
	return a.compareDocumentPosition(b) & 16;
} : function(a, b){
	return a !== b && (a.contains ? a.contains(b) : true);
};

var isXML = function(elem){
	return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
		!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
};

var posProcess = function(selector, context){
	var tmpSet = [], later = "", match,
		root = context.nodeType ? [context] : context;

	while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
		later += match[0];
		selector = selector.replace( Expr.match.PSEUDO, "" );
	}

	selector = Expr.relative[selector] ? selector + "*" : selector;

	for ( var i = 0, l = root.length; i < l; i++ ) {
		Sizzle( selector, root[i], tmpSet );
	}

	return Sizzle.filter( later, tmpSet );
};


window.Sizzle = Sizzle;

})();

;(function(engine) {
  var extendElements = Prototype.Selector.extendElements;

  function select(selector, scope) {
    return extendElements(engine(selector, scope || document));
  }

  function match(element, selector) {
    return engine.matches(selector, [element]).length == 1;
  }

  Prototype.Selector.engine = engine;
  Prototype.Selector.select = select;
  Prototype.Selector.match = match;
})(Sizzle);

window.Sizzle = Prototype._original_property;
delete Prototype._original_property;

var Form = {
  reset: function(form) {
    form = $(form);
    form.reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit, accumulator, initial;

    if (options.hash) {
      initial = {};
      accumulator = function(result, key, value) {
        if (key in result) {
          if (!Object.isArray(result[key])) result[key] = [result[key]];
          result[key].push(value);
        } else result[key] = value;
        return result;
      };
    } else {
      initial = '';
      accumulator = function(result, key, value) {
        return result + (result ? '&' : '') + encodeURIComponent(key) + '=' + encodeURIComponent(value);
      }
    }

    return elements.inject(initial, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          result = accumulator(result, key, value);
        }
      }
      return result;
    });
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    var elements = $(form).getElementsByTagName('*'),
        element,
        arr = [ ],
        serializers = Form.Element.Serializers;
    for (var i = 0; element = elements[i]; i++) {
      arr.push(element);
    }
    return arr.inject([], function(elements, child) {
      if (serializers[child.tagName.toLowerCase()])
        elements.push(Element.extend(child));
      return elements;
    })
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return /^(?:input|select|textarea)$/i.test(element.tagName);
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/


Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {

  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !(/^(?:button|reset|submit)$/i.test(element.type))))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;

var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

  inputSelector: function(element, value) {
    if (Object.isUndefined(value)) return element.checked ? element.value : null;
    else element.checked = !!value;
  },

  textarea: function(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  },

  select: function(element, value) {
    if (Object.isUndefined(value))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, currentValue, single = !Object.isArray(value);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        currentValue = this.optionValue(opt);
        if (single) {
          if (currentValue == value) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = value.include(currentValue);
      }
    }
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
};

/*--------------------------------------------------------------------------*/


Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
(function() {

  var Event = {
    KEY_BACKSPACE: 8,
    KEY_TAB:       9,
    KEY_RETURN:   13,
    KEY_ESC:      27,
    KEY_LEFT:     37,
    KEY_UP:       38,
    KEY_RIGHT:    39,
    KEY_DOWN:     40,
    KEY_DELETE:   46,
    KEY_HOME:     36,
    KEY_END:      35,
    KEY_PAGEUP:   33,
    KEY_PAGEDOWN: 34,
    KEY_INSERT:   45,

    cache: {}
  };

  var docEl = document.documentElement;
  var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
    && 'onmouseleave' in docEl;
  var IE_LEGACY_EVENT_SYSTEM = (window.attachEvent && !window.addEventListener);

  var _isButton;
  if (IE_LEGACY_EVENT_SYSTEM) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    _isButton = function(event, code) {
      return event.button === buttonMap[code];
    };
  } else if (Prototype.Browser.WebKit) {
    _isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };
  } else {
    _isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  function isLeftClick(event)   { return _isButton(event, 0) }

  function isMiddleClick(event) { return _isButton(event, 1) }

  function isRightClick(event)  { return _isButton(event, 2) }

  function element(event) {
    event = Event.extend(event);

    var node = event.target, type = event.type,
     currentTarget = event.currentTarget;

    if (currentTarget && currentTarget.tagName) {
      if (type === 'load' || type === 'error' ||
        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
          && currentTarget.type === 'radio'))
            node = currentTarget;
    }

    if (node.nodeType == Node.TEXT_NODE)
      node = node.parentNode;

    return Element.extend(node);
  }

  function findElement(event, expression) {
    var element = Event.element(event);

    if (!expression) return element;
    while (element) {
      if (Object.isElement(element) && Prototype.Selector.match(element, expression)) {
        return Element.extend(element);
      }
      element = element.parentNode;
    }
  }

  function pointer(event) {
    return { x: pointerX(event), y: pointerY(event) };
  }

  function pointerX(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollLeft: 0 };

    return event.pageX || (event.clientX +
      (docElement.scrollLeft || body.scrollLeft) -
      (docElement.clientLeft || 0));
  }

  function pointerY(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollTop: 0 };

    return  event.pageY || (event.clientY +
       (docElement.scrollTop || body.scrollTop) -
       (docElement.clientTop || 0));
  }


  function stop(event) {
    Event.extend(event);
    event.preventDefault();
    event.stopPropagation();

    event.stopped = true;
  }

  Event.Methods = {
    isLeftClick: isLeftClick,
    isMiddleClick: isMiddleClick,
    isRightClick: isRightClick,

    element: element,
    findElement: findElement,

    pointer: pointer,
    pointerX: pointerX,
    pointerY: pointerY,

    stop: stop
  };


  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (IE_LEGACY_EVENT_SYSTEM) {
    function _relatedTarget(event) {
      var element;
      switch (event.type) {
        case 'mouseover': element = event.fromElement; break;
        case 'mouseout':  element = event.toElement;   break;
        default: return null;
      }
      return Element.extend(element);
    }

    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return '[object Event]' }
    });

    Event.extend = function(event, element) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);

      Object.extend(event, {
        target: event.srcElement || element,
        relatedTarget: _relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });

      return Object.extend(event, methods);
    };
  } else {
    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
    Object.extend(Event.prototype, methods);
    Event.extend = Prototype.K;
  }

  function _createResponder(element, eventName, handler) {
    var registry = Element.retrieve(element, 'prototype_event_registry');

    if (Object.isUndefined(registry)) {
      CACHE.push(element);
      registry = Element.retrieve(element, 'prototype_event_registry', $H());
    }

    var respondersForEvent = registry.get(eventName);
    if (Object.isUndefined(respondersForEvent)) {
      respondersForEvent = [];
      registry.set(eventName, respondersForEvent);
    }

    if (respondersForEvent.pluck('handler').include(handler)) return false;

    var responder;
    if (eventName.include(":")) {
      responder = function(event) {
        if (Object.isUndefined(event.eventName))
          return false;

        if (event.eventName !== eventName)
          return false;

        Event.extend(event, element);
        handler.call(element, event);
      };
    } else {
      if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
       (eventName === "mouseenter" || eventName === "mouseleave")) {
        if (eventName === "mouseenter" || eventName === "mouseleave") {
          responder = function(event) {
            Event.extend(event, element);

            var parent = event.relatedTarget;
            while (parent && parent !== element) {
              try { parent = parent.parentNode; }
              catch(e) { parent = element; }
            }

            if (parent === element) return;

            handler.call(element, event);
          };
        }
      } else {
        responder = function(event) {
          Event.extend(event, element);
          handler.call(element, event);
        };
      }
    }

    responder.handler = handler;
    respondersForEvent.push(responder);
    return responder;
  }

  function _destroyCache() {
    for (var i = 0, length = CACHE.length; i < length; i++) {
      Event.stopObserving(CACHE[i]);
      CACHE[i] = null;
    }
  }

  var CACHE = [];

  if (Prototype.Browser.IE)
    window.attachEvent('onunload', _destroyCache);

  if (Prototype.Browser.WebKit)
    window.addEventListener('unload', Prototype.emptyFunction, false);


  var _getDOMEventName = Prototype.K,
      translations = { mouseenter: "mouseover", mouseleave: "mouseout" };

  if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
    _getDOMEventName = function(eventName) {
      return (translations[eventName] || eventName);
    };
  }

  function observe(element, eventName, handler) {
    element = $(element);

    var responder = _createResponder(element, eventName, handler);

    if (!responder) return element;

    if (eventName.include(':')) {
      if (element.addEventListener)
        element.addEventListener("dataavailable", responder, false);
      else {
        element.attachEvent("ondataavailable", responder);
        element.attachEvent("onlosecapture", responder);
      }
    } else {
      var actualEventName = _getDOMEventName(eventName);

      if (element.addEventListener)
        element.addEventListener(actualEventName, responder, false);
      else
        element.attachEvent("on" + actualEventName, responder);
    }

    return element;
  }

  function stopObserving(element, eventName, handler) {
    element = $(element);

    var registry = Element.retrieve(element, 'prototype_event_registry');
    if (!registry) return element;

    if (!eventName) {
      registry.each( function(pair) {
        var eventName = pair.key;
        stopObserving(element, eventName);
      });
      return element;
    }

    var responders = registry.get(eventName);
    if (!responders) return element;

    if (!handler) {
      responders.each(function(r) {
        stopObserving(element, eventName, r.handler);
      });
      return element;
    }

    var responder = responders.find( function(r) { return r.handler === handler; });
    if (!responder) return element;

    if (eventName.include(':')) {
      if (element.removeEventListener)
        element.removeEventListener("dataavailable", responder, false);
      else {
        element.detachEvent("ondataavailable", responder);
        element.detachEvent("onlosecapture", responder);
      }
    } else {
      var actualEventName = _getDOMEventName(eventName);
      if (element.removeEventListener)
        element.removeEventListener(actualEventName, responder, false);
      else
        element.detachEvent('on' + actualEventName, responder);
    }

    registry.set(eventName, responders.without(responder));

    return element;
  }

  function fire(element, eventName, memo, bubble) {
    element = $(element);

    if (Object.isUndefined(bubble))
      bubble = true;

    if (element == document && document.createEvent && !element.dispatchEvent)
      element = document.documentElement;

    var event;
    if (document.createEvent) {
      event = document.createEvent('HTMLEvents');
      event.initEvent('dataavailable', bubble, true);
    } else {
      event = document.createEventObject();
      event.eventType = bubble ? 'ondataavailable' : 'onlosecapture';
    }

    event.eventName = eventName;
    event.memo = memo || { };

    if (document.createEvent)
      element.dispatchEvent(event);
    else
      element.fireEvent(event.eventType, event);

    return Event.extend(event);
  }

  Event.Handler = Class.create({
    initialize: function(element, eventName, selector, callback) {
      this.element   = $(element);
      this.eventName = eventName;
      this.selector  = selector;
      this.callback  = callback;
      this.handler   = this.handleEvent.bind(this);
    },

    start: function() {
      Event.observe(this.element, this.eventName, this.handler);
      return this;
    },

    stop: function() {
      Event.stopObserving(this.element, this.eventName, this.handler);
      return this;
    },

    handleEvent: function(event) {
      var element = event.findElement(this.selector);
      if (element) this.callback.call(this.element, event, element);
    }
  });

  function on(element, eventName, selector, callback) {
    element = $(element);
    if (Object.isFunction(selector) && Object.isUndefined(callback)) {
      callback = selector, selector = null;
    }

    return new Event.Handler(element, eventName, selector, callback).start();
  }

  Object.extend(Event, Event.Methods);

  Object.extend(Event, {
    fire:          fire,
    observe:       observe,
    stopObserving: stopObserving,
    on:            on
  });

  Element.addMethods({
    fire:          fire,

    observe:       observe,

    stopObserving: stopObserving,

    on:            on
  });

  Object.extend(document, {
    fire:          fire.methodize(),

    observe:       observe.methodize(),

    stopObserving: stopObserving.methodize(),

    on:            on.methodize(),

    loaded:        false
  });

  if (window.Event) Object.extend(window.Event, Event);
  else window.Event = Event;
})();

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearTimeout(timer);
    document.loaded = true;
    document.fire('dom:loaded');
  }

  function checkReadyState() {
    if (document.readyState === 'complete') {
      document.stopObserving('readystatechange', checkReadyState);
      fireContentLoadedEvent();
    }
  }

  function pollDoScroll() {
    try { document.documentElement.doScroll('left'); }
    catch(e) {
      timer = pollDoScroll.defer();
      return;
    }
    fireContentLoadedEvent();
  }

  if (document.addEventListener) {
    document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
  } else {
    document.observe('readystatechange', checkReadyState);
    if (window == top)
      timer = pollDoScroll.defer();
  }

  Event.observe(window, 'load', fireContentLoadedEvent);
})();

Element.addMethods();

/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

var Position = {
  includeScrollOffsets: false,

  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },


  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

(function() {
  window.Selector = Class.create({
    initialize: function(expression) {
      this.expression = expression.strip();
    },

    findElements: function(rootElement) {
      return Prototype.Selector.select(this.expression, rootElement);
    },

    match: function(element) {
      return Prototype.Selector.match(element, this.expression);
    },

    toString: function() {
      return this.expression;
    },

    inspect: function() {
      return "#<Selector: " + this.expression + ">";
    }
  });

  Object.extend(Selector, {
    matchElements: function(elements, expression) {
      var match = Prototype.Selector.match,
          results = [];

      for (var i = 0, length = elements.length; i < length; i++) {
        var element = elements[i];
        if (match(element, expression)) {
          results.push(Element.extend(element));
        }
      }
      return results;
    },

    findElement: function(elements, expression, index) {
      index = index || 0;
      var matchIndex = 0, element;
      for (var i = 0, length = elements.length; i < length; i++) {
        element = elements[i];
        if (Prototype.Selector.match(element, expression) && index === matchIndex++) {
          return Element.extend(element);
        }
      }
    },

    findChildElements: function(element, expressions) {
      var selector = expressions.toArray().join(', ');
      return Prototype.Selector.select(selector, element || document);
    }
  });
})();
(function() {
  Ajax.Responders.register({
    onCreate: function(request) {
      var token = $$('meta[name=csrf-token]')[0];
      if (token) {
        if (!request.options.requestHeaders) request.options.requestHeaders = {};
        request.options.requestHeaders['X-CSRF-Token'] = token.readAttribute('content');
      }
    }
  });
  // Technique from Juriy Zaytsev
  // http://thinkweb2.com/projects/prototype/detecting-event-support-without-browser-sniffing/
  function isEventSupported(eventName) {
    var el = document.createElement('div');
    eventName = 'on' + eventName;
    var isSupported = (eventName in el);
    if (!isSupported) {
      el.setAttribute(eventName, 'return;');
      isSupported = typeof el[eventName] == 'function';
    }
    el = null;
    return isSupported;
  }

  function isForm(element) {
    return Object.isElement(element) && element.nodeName.toUpperCase() == 'FORM';
  }

  function isInput(element) {
    if (Object.isElement(element)) {
      var name = element.nodeName.toUpperCase();
      return name == 'INPUT' || name == 'SELECT' || name == 'TEXTAREA';
    }
    else return false;
  }

  var submitBubbles = isEventSupported('submit'),
      changeBubbles = isEventSupported('change');

  if (!submitBubbles || !changeBubbles) {
    // augment the Event.Handler class to observe custom events when needed
    Event.Handler.prototype.initialize = Event.Handler.prototype.initialize.wrap(
      function(init, element, eventName, selector, callback) {
        init(element, eventName, selector, callback);
        // is the handler being attached to an element that doesn't support this event?
        if ( (!submitBubbles && this.eventName == 'submit' && !isForm(this.element)) ||
             (!changeBubbles && this.eventName == 'change' && !isInput(this.element)) ) {
          // "submit" => "emulated:submit"
          this.eventName = 'emulated:' + this.eventName;
        }
      }
    );
  }

  if (!submitBubbles) {
    // discover forms on the page by observing focus events which always bubble
    document.on('focusin', 'form', function(focusEvent, form) {
      // special handler for the real "submit" event (one-time operation)
      if (!form.retrieve('emulated:submit')) {
        form.on('submit', function(submitEvent) {
          var emulated = form.fire('emulated:submit', submitEvent, true);
          // if custom event received preventDefault, cancel the real one too
          if (emulated.returnValue === false) submitEvent.preventDefault();
        });
        form.store('emulated:submit', true);
      }
    });
  }

  if (!changeBubbles) {
    // discover form inputs on the page
    document.on('focusin', 'input, select, textarea', function(focusEvent, input) {
      // special handler for real "change" events
      if (!input.retrieve('emulated:change')) {
        input.on('change', function(changeEvent) {
          input.fire('emulated:change', changeEvent, true);
        });
        input.store('emulated:change', true);
      }
    });
  }

  function handleRemote(element) {
    var method, url, params;

    var event = element.fire("ajax:before");
    if (event.stopped) return false;

    if (element.tagName.toLowerCase() === 'form') {
      method = element.readAttribute('method') || 'post';
      url    = element.readAttribute('action');
      // serialize the form with respect to the submit button that was pressed
      params = element.serialize({ submit: element.retrieve('rails:submit-button') });
      // clear the pressed submit button information
      element.store('rails:submit-button', null);
    } else {
      method = element.readAttribute('data-method') || 'get';
      url    = element.readAttribute('href');
      params = {};
    }

    new Ajax.Request(url, {
      method: method,
      parameters: params,
      evalScripts: true,

      onCreate:   function(response) { element.fire("ajax:create",   response); },
      onComplete: function(response) { element.fire("ajax:complete", response); },
      onSuccess:  function(response) { element.fire("ajax:success",  response); },
      onFailure:  function(response) { element.fire("ajax:failure",  response); }
    });

    element.fire("ajax:after");
  }
  window.Prototype.Rails = {
    handleRemote: handleRemote
  };

  function insertHiddenField(form, name, value) {
    form.insert(new Element('input', { type: 'hidden', name: name, value: value }));
  }

  function handleMethod(element) {
    var method = element.readAttribute('data-method'),
        url = element.readAttribute('href'),
        csrf_param = $$('meta[name=csrf-param]')[0],
        csrf_token = $$('meta[name=csrf-token]')[0];

    var form = new Element('form', { method: "POST", action: url, style: "display: none;" });
    $(element.parentNode).insert(form);

    if (method !== 'post') {
      insertHiddenField(form, '_method', method);
    }

    if (csrf_param) {
      insertHiddenField(form, csrf_param.readAttribute('content'), csrf_token.readAttribute('content'));
    }

    form.submit();
  }

  function disableFormElements(form) {
    form.select('input[type=submit][data-disable-with]').each(function(input) {
      input.store('rails:original-value', input.getValue());
      input.setValue(input.readAttribute('data-disable-with')).disable();
    });
  }
  
  function enableFormElements(form) {
    form.select('input[type=submit][data-disable-with]').each(function(input) {
      input.setValue(input.retrieve('rails:original-value')).enable();
    });
  }

  function allowAction(element) {
    var message = element.readAttribute('data-confirm');
    return !message || confirm(message);
  }

  document.on('click', 'a[data-confirm], a[data-remote], a[data-method]', function(event, link) {
    if (!allowAction(link)) {
      event.stop();
      return false;
    }

    if (link.readAttribute('data-remote')) {
      handleRemote(link);
      event.stop();
    } else if (link.readAttribute('data-method')) {
      handleMethod(link);
      event.stop();
    }
  });

  document.on("click", "form input[type=submit], form button[type=submit], form button:not([type])", function(event, button) {
    // register the pressed submit button
    event.findElement('form').store('rails:submit-button', button.name || false);
  });

  document.on("submit", function(event) {
    var form = event.findElement();

    if (!allowAction(form)) {
      event.stop();
      return false;
    }

    if (form.readAttribute('data-remote')) {
      handleRemote(form);
      event.stop();
    } else {
      disableFormElements(form);
    }
  });

  document.on('ajax:create', 'form', function(event, form) {
    if (form == event.findElement()) disableFormElements(form);
  });
  
  document.on('ajax:complete', 'form', function(event, form) {
    if (form == event.findElement()) enableFormElements(form);
  });
})();
// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
//  Justin Palmer (http://encytemedia.com/)
//  Mark Pilgrim (http://diveintomark.org/)
//  Martin Bialasinki
// 
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/ 

// converts rgb() and #xxx to #xxxxxx format,  
// returns self (or first argument) if not convertable  
String.prototype.parseColor = function() {  
  var color = '#';
  if (this.slice(0,4) == 'rgb(') {  
    var cols = this.slice(4,this.length-1).split(',');  
    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);  
  } else {  
    if (this.slice(0,1) == '#') {  
      if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();  
      if (this.length==7) color = this.toLowerCase();  
    }  
  }  
  return (color.length==7 ? color : (arguments[0] || this));  
};

/*--------------------------------------------------------------------------*/

Element.collectTextNodes = function(element) {  
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue : 
      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
  }).flatten().join('');
};

Element.collectTextNodesIgnoreClass = function(element, className) {  
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue : 
      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 
        Element.collectTextNodesIgnoreClass(node, className) : ''));
  }).flatten().join('');
};

Element.setContentZoom = function(element, percent) {
  element = $(element);  
  element.setStyle({fontSize: (percent/100) + 'em'});   
  if (Prototype.Browser.WebKit) window.scrollBy(0,0);
  return element;
};

Element.getInlineOpacity = function(element){
  return $(element).style.opacity || '';
};

Element.forceRerendering = function(element) {
  try {
    element = $(element);
    var n = document.createTextNode(' ');
    element.appendChild(n);
    element.removeChild(n);
  } catch(e) { }
};

/*--------------------------------------------------------------------------*/

var Effect = {
  _elementDoesNotExistError: {
    name: 'ElementDoesNotExistError',
    message: 'The specified DOM element does not exist, but is required for this effect to operate'
  },
  Transitions: {
    linear: Prototype.K,
    sinoidal: function(pos) {
      return (-Math.cos(pos*Math.PI)/2) + 0.5;
    },
    reverse: function(pos) {
      return 1-pos;
    },
    flicker: function(pos) {
      var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
      return pos > 1 ? 1 : pos;
    },
    wobble: function(pos) {
      return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
    },
    pulse: function(pos, pulses) { 
      pulses = pulses || 5; 
      return (
        ((pos % (1/pulses)) * pulses).round() == 0 ? 
              ((pos * pulses * 2) - (pos * pulses * 2).floor()) : 
          1 - ((pos * pulses * 2) - (pos * pulses * 2).floor())
        );
    },
    spring: function(pos) { 
      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6)); 
    },
    none: function(pos) {
      return 0;
    },
    full: function(pos) {
      return 1;
    }
  },
  DefaultOptions: {
    duration:   1.0,   // seconds
    fps:        100,   // 100= assume 66fps max.
    sync:       false, // true for combining
    from:       0.0,
    to:         1.0,
    delay:      0.0,
    queue:      'parallel'
  },
  tagifyText: function(element) {
    var tagifyStyle = 'position:relative';
    if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
    
    element = $(element);
    $A(element.childNodes).each( function(child) {
      if (child.nodeType==3) {
        child.nodeValue.toArray().each( function(character) {
          element.insertBefore(
            new Element('span', {style: tagifyStyle}).update(
              character == ' ' ? String.fromCharCode(160) : character), 
              child);
        });
        Element.remove(child);
      }
    });
  },
  multiple: function(element, effect) {
    var elements;
    if (((typeof element == 'object') || 
        Object.isFunction(element)) && 
       (element.length))
      elements = element;
    else
      elements = $(element).childNodes;
      
    var options = Object.extend({
      speed: 0.1,
      delay: 0.0
    }, arguments[2] || { });
    var masterDelay = options.delay;

    $A(elements).each( function(element, index) {
      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
    });
  },
  PAIRS: {
    'slide':  ['SlideDown','SlideUp'],
    'blind':  ['BlindDown','BlindUp'],
    'appear': ['Appear','Fade']
  },
  toggle: function(element, effect) {
    element = $(element);
    effect = (effect || 'appear').toLowerCase();
    var options = Object.extend({
      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
    }, arguments[2] || { });
    Effect[element.visible() ? 
      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
  }
};

Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;

/* ------------- core effects ------------- */

Effect.ScopedQueue = Class.create(Enumerable, {
  initialize: function() {
    this.effects  = [];
    this.interval = null;    
  },
  _each: function(iterator) {
    this.effects._each(iterator);
  },
  add: function(effect) {
    var timestamp = new Date().getTime();
    
    var position = Object.isString(effect.options.queue) ? 
      effect.options.queue : effect.options.queue.position;
    
    switch(position) {
      case 'front':
        // move unstarted effects after this effect  
        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
            e.startOn  += effect.finishOn;
            e.finishOn += effect.finishOn;
          });
        break;
      case 'with-last':
        timestamp = this.effects.pluck('startOn').max() || timestamp;
        break;
      case 'end':
        // start effect after last queued effect has finished
        timestamp = this.effects.pluck('finishOn').max() || timestamp;
        break;
    }
    
    effect.startOn  += timestamp;
    effect.finishOn += timestamp;

    if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
      this.effects.push(effect);
    
    if (!this.interval)
      this.interval = setInterval(this.loop.bind(this), 15);
  },
  remove: function(effect) {
    this.effects = this.effects.reject(function(e) { return e==effect });
    if (this.effects.length == 0) {
      clearInterval(this.interval);
      this.interval = null;
    }
  },
  loop: function() {
    var timePos = new Date().getTime();
    for(var i=0, len=this.effects.length;i<len;i++) 
      this.effects[i] && this.effects[i].loop(timePos);
  }
});

Effect.Queues = {
  instances: $H(),
  get: function(queueName) {
    if (!Object.isString(queueName)) return queueName;
    
    return this.instances.get(queueName) ||
      this.instances.set(queueName, new Effect.ScopedQueue());
  }
};
Effect.Queue = Effect.Queues.get('global');

Effect.Base = Class.create({
  position: null,
  start: function(options) {
    function codeForEvent(options,eventName){
      return (
        (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +
        (options[eventName] ? 'this.options.'+eventName+'(this);' : '')
      );
    }
    if (options && options.transition === false) options.transition = Effect.Transitions.linear;
    this.options      = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
    this.currentFrame = 0;
    this.state        = 'idle';
    this.startOn      = this.options.delay*1000;
    this.finishOn     = this.startOn+(this.options.duration*1000);
    this.fromToDelta  = this.options.to-this.options.from;
    this.totalTime    = this.finishOn-this.startOn;
    this.totalFrames  = this.options.fps*this.options.duration;
    
    eval('this.render = function(pos){ '+
      'if (this.state=="idle"){this.state="running";'+
      codeForEvent(this.options,'beforeSetup')+
      (this.setup ? 'this.setup();':'')+ 
      codeForEvent(this.options,'afterSetup')+
      '};if (this.state=="running"){'+
      'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+
      'this.position=pos;'+
      codeForEvent(this.options,'beforeUpdate')+
      (this.update ? 'this.update(pos);':'')+
      codeForEvent(this.options,'afterUpdate')+
      '}}');
    
    this.event('beforeStart');
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ? 
        'global' : this.options.queue.scope).add(this);
  },
  loop: function(timePos) {
    if (timePos >= this.startOn) {
      if (timePos >= this.finishOn) {
        this.render(1.0);
        this.cancel();
        this.event('beforeFinish');
        if (this.finish) this.finish(); 
        this.event('afterFinish');
        return;  
      }
      var pos   = (timePos - this.startOn) / this.totalTime,
          frame = (pos * this.totalFrames).round();
      if (frame > this.currentFrame) {
        this.render(pos);
        this.currentFrame = frame;
      }
    }
  },
  cancel: function() {
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ? 
        'global' : this.options.queue.scope).remove(this);
    this.state = 'finished';
  },
  event: function(eventName) {
    if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
    if (this.options[eventName]) this.options[eventName](this);
  },
  inspect: function() {
    var data = $H();
    for(property in this)
      if (!Object.isFunction(this[property])) data.set(property, this[property]);
    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
  }
});

Effect.Parallel = Class.create(Effect.Base, {
  initialize: function(effects) {
    this.effects = effects || [];
    this.start(arguments[1]);
  },
  update: function(position) {
    this.effects.invoke('render', position);
  },
  finish: function(position) {
    this.effects.each( function(effect) {
      effect.render(1.0);
      effect.cancel();
      effect.event('beforeFinish');
      if (effect.finish) effect.finish(position);
      effect.event('afterFinish');
    });
  }
});

Effect.Tween = Class.create(Effect.Base, {
  initialize: function(object, from, to) {
    object = Object.isString(object) ? $(object) : object;
    var args = $A(arguments), method = args.last(), 
      options = args.length == 5 ? args[3] : null;
    this.method = Object.isFunction(method) ? method.bind(object) :
      Object.isFunction(object[method]) ? object[method].bind(object) : 
      function(value) { object[method] = value };
    this.start(Object.extend({ from: from, to: to }, options || { }));
  },
  update: function(position) {
    this.method(position);
  }
});

Effect.Event = Class.create(Effect.Base, {
  initialize: function() {
    this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
  },
  update: Prototype.emptyFunction
});

Effect.Opacity = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    // make this work on IE on elements without 'layout'
    if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
      this.element.setStyle({zoom: 1});
    var options = Object.extend({
      from: this.element.getOpacity() || 0.0,
      to:   1.0
    }, arguments[1] || { });
    this.start(options);
  },
  update: function(position) {
    this.element.setOpacity(position);
  }
});

Effect.Move = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      x:    0,
      y:    0,
      mode: 'relative'
    }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    this.element.makePositioned();
    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
    if (this.options.mode == 'absolute') {
      this.options.x = this.options.x - this.originalLeft;
      this.options.y = this.options.y - this.originalTop;
    }
  },
  update: function(position) {
    this.element.setStyle({
      left: (this.options.x  * position + this.originalLeft).round() + 'px',
      top:  (this.options.y  * position + this.originalTop).round()  + 'px'
    });
  }
});

// for backwards compatibility
Effect.MoveBy = function(element, toTop, toLeft) {
  return new Effect.Move(element, 
    Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
};

Effect.Scale = Class.create(Effect.Base, {
  initialize: function(element, percent) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      scaleX: true,
      scaleY: true,
      scaleContent: true,
      scaleFromCenter: false,
      scaleMode: 'box',        // 'box' or 'contents' or { } with provided values
      scaleFrom: 100.0,
      scaleTo:   percent
    }, arguments[2] || { });
    this.start(options);
  },
  setup: function() {
    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
    this.elementPositioning = this.element.getStyle('position');
    
    this.originalStyle = { };
    ['top','left','width','height','fontSize'].each( function(k) {
      this.originalStyle[k] = this.element.style[k];
    }.bind(this));
      
    this.originalTop  = this.element.offsetTop;
    this.originalLeft = this.element.offsetLeft;
    
    var fontSize = this.element.getStyle('font-size') || '100%';
    ['em','px','%','pt'].each( function(fontSizeType) {
      if (fontSize.indexOf(fontSizeType)>0) {
        this.fontSize     = parseFloat(fontSize);
        this.fontSizeType = fontSizeType;
      }
    }.bind(this));
    
    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
    
    this.dims = null;
    if (this.options.scaleMode=='box')
      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
    if (/^content/.test(this.options.scaleMode))
      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
    if (!this.dims)
      this.dims = [this.options.scaleMode.originalHeight,
                   this.options.scaleMode.originalWidth];
  },
  update: function(position) {
    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
    if (this.options.scaleContent && this.fontSize)
      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
  },
  finish: function(position) {
    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
  },
  setDimensions: function(height, width) {
    var d = { };
    if (this.options.scaleX) d.width = width.round() + 'px';
    if (this.options.scaleY) d.height = height.round() + 'px';
    if (this.options.scaleFromCenter) {
      var topd  = (height - this.dims[0])/2;
      var leftd = (width  - this.dims[1])/2;
      if (this.elementPositioning == 'absolute') {
        if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
        if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
      } else {
        if (this.options.scaleY) d.top = -topd + 'px';
        if (this.options.scaleX) d.left = -leftd + 'px';
      }
    }
    this.element.setStyle(d);
  }
});

Effect.Highlight = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    // Prevent executing on elements not in the layout flow
    if (this.element.getStyle('display')=='none') { this.cancel(); return; }
    // Disable background image during the effect
    this.oldStyle = { };
    if (!this.options.keepBackgroundImage) {
      this.oldStyle.backgroundImage = this.element.getStyle('background-image');
      this.element.setStyle({backgroundImage: 'none'});
    }
    if (!this.options.endcolor)
      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
    if (!this.options.restorecolor)
      this.options.restorecolor = this.element.getStyle('background-color');
    // init color calculations
    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
  },
  update: function(position) {
    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
      return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
  },
  finish: function() {
    this.element.setStyle(Object.extend(this.oldStyle, {
      backgroundColor: this.options.restorecolor
    }));
  }
});

Effect.ScrollTo = function(element) {
  var options = arguments[1] || { },
    scrollOffsets = document.viewport.getScrollOffsets(),
    elementOffsets = $(element).cumulativeOffset(),
    max = (window.height || document.body.scrollHeight) - document.viewport.getHeight();  

  if (options.offset) elementOffsets[1] += options.offset;

  return new Effect.Tween(null,
    scrollOffsets.top,
    elementOffsets[1] > max ? max : elementOffsets[1],
    options,
    function(p){ scrollTo(scrollOffsets.left, p.round()) }
  );
};

/* ------------- combination effects ------------- */

Effect.Fade = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  var options = Object.extend({
    from: element.getOpacity() || 1.0,
    to:   0.0,
    afterFinishInternal: function(effect) { 
      if (effect.options.to!=0) return;
      effect.element.hide().setStyle({opacity: oldOpacity}); 
    }
  }, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Appear = function(element) {
  element = $(element);
  var options = Object.extend({
  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
  to:   1.0,
  // force Safari to render floated elements properly
  afterFinishInternal: function(effect) {
    effect.element.forceRerendering();
  },
  beforeSetup: function(effect) {
    effect.element.setOpacity(effect.options.from).show(); 
  }}, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Puff = function(element) {
  element = $(element);
  var oldStyle = { 
    opacity: element.getInlineOpacity(), 
    position: element.getStyle('position'),
    top:  element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height
  };
  return new Effect.Parallel(
   [ new Effect.Scale(element, 200, 
      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 
     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 
     Object.extend({ duration: 1.0, 
      beforeSetupInternal: function(effect) {
        Position.absolutize(effect.effects[0].element)
      },
      afterFinishInternal: function(effect) {
         effect.effects[0].element.hide().setStyle(oldStyle); }
     }, arguments[1] || { })
   );
};

Effect.BlindUp = function(element) {
  element = $(element);
  element.makeClipping();
  return new Effect.Scale(element, 0,
    Object.extend({ scaleContent: false, 
      scaleX: false, 
      restoreAfterFinish: true,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping();
      } 
    }, arguments[1] || { })
  );
};

Effect.BlindDown = function(element) {
  element = $(element);
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({ 
    scaleContent: false, 
    scaleX: false,
    scaleFrom: 0,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
    },  
    afterFinishInternal: function(effect) {
      effect.element.undoClipping();
    }
  }, arguments[1] || { }));
};

Effect.SwitchOff = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  return new Effect.Appear(element, Object.extend({
    duration: 0.4,
    from: 0,
    transition: Effect.Transitions.flicker,
    afterFinishInternal: function(effect) {
      new Effect.Scale(effect.element, 1, { 
        duration: 0.3, scaleFromCenter: true,
        scaleX: false, scaleContent: false, restoreAfterFinish: true,
        beforeSetup: function(effect) { 
          effect.element.makePositioned().makeClipping();
        },
        afterFinishInternal: function(effect) {
          effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
        }
      })
    }
  }, arguments[1] || { }));
};

Effect.DropOut = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left'),
    opacity: element.getInlineOpacity() };
  return new Effect.Parallel(
    [ new Effect.Move(element, {x: 0, y: 100, sync: true }), 
      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
    Object.extend(
      { duration: 0.5,
        beforeSetup: function(effect) {
          effect.effects[0].element.makePositioned(); 
        },
        afterFinishInternal: function(effect) {
          effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
        } 
      }, arguments[1] || { }));
};

Effect.Shake = function(element) {
  element = $(element);
  var options = Object.extend({
    distance: 20,
    duration: 0.5
  }, arguments[1] || {});
  var distance = parseFloat(options.distance);
  var split = parseFloat(options.duration) / 10.0;
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left') };
    return new Effect.Move(element,
      { x:  distance, y: 0, duration: split, afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
        effect.element.undoPositioned().setStyle(oldStyle);
  }}) }}) }}) }}) }}) }});
};

Effect.SlideDown = function(element) {
  element = $(element).cleanWhitespace();
  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({ 
    scaleContent: false, 
    scaleX: false, 
    scaleFrom: window.opera ? 0 : 1,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' }); 
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
    }, arguments[1] || { })
  );
};

Effect.SlideUp = function(element) {
  element = $(element).cleanWhitespace();
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, window.opera ? 0 : 1,
   Object.extend({ scaleContent: false, 
    scaleX: false, 
    scaleMode: 'box',
    scaleFrom: 100,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().show();
    },  
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
    }
   }, arguments[1] || { })
  );
};

// Bug in opera makes the TD containing this element expand for a instance after finish 
Effect.Squish = function(element) {
  return new Effect.Scale(element, window.opera ? 1 : 0, { 
    restoreAfterFinish: true,
    beforeSetup: function(effect) {
      effect.element.makeClipping(); 
    },  
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping(); 
    }
  });
};

Effect.Grow = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.full
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();    
  var initialMoveX, initialMoveY;
  var moveX, moveY;
  
  switch (options.direction) {
    case 'top-left':
      initialMoveX = initialMoveY = moveX = moveY = 0; 
      break;
    case 'top-right':
      initialMoveX = dims.width;
      initialMoveY = moveY = 0;
      moveX = -dims.width;
      break;
    case 'bottom-left':
      initialMoveX = moveX = 0;
      initialMoveY = dims.height;
      moveY = -dims.height;
      break;
    case 'bottom-right':
      initialMoveX = dims.width;
      initialMoveY = dims.height;
      moveX = -dims.width;
      moveY = -dims.height;
      break;
    case 'center':
      initialMoveX = dims.width / 2;
      initialMoveY = dims.height / 2;
      moveX = -dims.width / 2;
      moveY = -dims.height / 2;
      break;
  }
  
  return new Effect.Move(element, {
    x: initialMoveX,
    y: initialMoveY,
    duration: 0.01, 
    beforeSetup: function(effect) {
      effect.element.hide().makeClipping().makePositioned();
    },
    afterFinishInternal: function(effect) {
      new Effect.Parallel(
        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
          new Effect.Scale(effect.element, 100, {
            scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 
            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
        ], Object.extend({
             beforeSetup: function(effect) {
               effect.effects[0].element.setStyle({height: '0px'}).show(); 
             },
             afterFinishInternal: function(effect) {
               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); 
             }
           }, options)
      )
    }
  });
};

Effect.Shrink = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.none
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var moveX, moveY;
  
  switch (options.direction) {
    case 'top-left':
      moveX = moveY = 0;
      break;
    case 'top-right':
      moveX = dims.width;
      moveY = 0;
      break;
    case 'bottom-left':
      moveX = 0;
      moveY = dims.height;
      break;
    case 'bottom-right':
      moveX = dims.width;
      moveY = dims.height;
      break;
    case 'center':  
      moveX = dims.width / 2;
      moveY = dims.height / 2;
      break;
  }
  
  return new Effect.Parallel(
    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
    ], Object.extend({            
         beforeStartInternal: function(effect) {
           effect.effects[0].element.makePositioned().makeClipping(); 
         },
         afterFinishInternal: function(effect) {
           effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
       }, options)
  );
};

Effect.Pulsate = function(element) {
  element = $(element);
  var options    = arguments[1] || { };
  var oldOpacity = element.getInlineOpacity();
  var transition = options.transition || Effect.Transitions.sinoidal;
  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
  reverser.bind(transition);
  return new Effect.Opacity(element, 
    Object.extend(Object.extend({  duration: 2.0, from: 0,
      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
    }, options), {transition: reverser}));
};

Effect.Fold = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height };
  element.makeClipping();
  return new Effect.Scale(element, 5, Object.extend({   
    scaleContent: false,
    scaleX: false,
    afterFinishInternal: function(effect) {
    new Effect.Scale(element, 1, { 
      scaleContent: false, 
      scaleY: false,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping().setStyle(oldStyle);
      } });
  }}, arguments[1] || { }));
};

Effect.Morph = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      style: { }
    }, arguments[1] || { });
    
    if (!Object.isString(options.style)) this.style = $H(options.style);
    else {
      if (options.style.include(':'))
        this.style = options.style.parseStyle();
      else {
        this.element.addClassName(options.style);
        this.style = $H(this.element.getStyles());
        this.element.removeClassName(options.style);
        var css = this.element.getStyles();
        this.style = this.style.reject(function(style) {
          return style.value == css[style.key];
        });
        options.afterFinishInternal = function(effect) {
          effect.element.addClassName(effect.options.style);
          effect.transforms.each(function(transform) {
            effect.element.style[transform.style] = '';
          });
        }
      }
    }
    this.start(options);
  },
  
  setup: function(){
    function parseColor(color){
      if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
      color = color.parseColor();
      return $R(0,2).map(function(i){
        return parseInt( color.slice(i*2+1,i*2+3), 16 ) 
      });
    }
    this.transforms = this.style.map(function(pair){
      var property = pair[0], value = pair[1], unit = null;

      if (value.parseColor('#zzzzzz') != '#zzzzzz') {
        value = value.parseColor();
        unit  = 'color';
      } else if (property == 'opacity') {
        value = parseFloat(value);
        if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
          this.element.setStyle({zoom: 1});
      } else if (Element.CSS_LENGTH.test(value)) {
          var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
          value = parseFloat(components[1]);
          unit = (components.length == 3) ? components[2] : null;
      }

      var originalValue = this.element.getStyle(property);
      return { 
        style: property.camelize(), 
        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0), 
        targetValue: unit=='color' ? parseColor(value) : value,
        unit: unit
      };
    }.bind(this)).reject(function(transform){
      return (
        (transform.originalValue == transform.targetValue) ||
        (
          transform.unit != 'color' &&
          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
        )
      )
    });
  },
  update: function(position) {
    var style = { }, transform, i = this.transforms.length;
    while(i--)
      style[(transform = this.transforms[i]).style] = 
        transform.unit=='color' ? '#'+
          (Math.round(transform.originalValue[0]+
            (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
          (Math.round(transform.originalValue[1]+
            (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
          (Math.round(transform.originalValue[2]+
            (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
        (transform.originalValue +
          (transform.targetValue - transform.originalValue) * position).toFixed(3) + 
            (transform.unit === null ? '' : transform.unit);
    this.element.setStyle(style, true);
  }
});

Effect.Transform = Class.create({
  initialize: function(tracks){
    this.tracks  = [];
    this.options = arguments[1] || { };
    this.addTracks(tracks);
  },
  addTracks: function(tracks){
    tracks.each(function(track){
      track = $H(track);
      var data = track.values().first();
      this.tracks.push($H({
        ids:     track.keys().first(),
        effect:  Effect.Morph,
        options: { style: data }
      }));
    }.bind(this));
    return this;
  },
  play: function(){
    return new Effect.Parallel(
      this.tracks.map(function(track){
        var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
        var elements = [$(ids) || $$(ids)].flatten();
        return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
      }).flatten(),
      this.options
    );
  }
});

Element.CSS_PROPERTIES = $w(
  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' + 
  'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
  'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
  'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
  'fontSize fontWeight height left letterSpacing lineHeight ' +
  'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
  'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
  'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
  'right textIndent top width wordSpacing zIndex');
  
Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;

String.__parseStyleElement = document.createElement('div');
String.prototype.parseStyle = function(){
  var style, styleRules = $H();
  if (Prototype.Browser.WebKit)
    style = new Element('div',{style:this}).style;
  else {
    String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
    style = String.__parseStyleElement.childNodes[0].style;
  }
  
  Element.CSS_PROPERTIES.each(function(property){
    if (style[property]) styleRules.set(property, style[property]); 
  });
  
  if (Prototype.Browser.IE && this.include('opacity'))
    styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);

  return styleRules;
};

if (document.defaultView && document.defaultView.getComputedStyle) {
  Element.getStyles = function(element) {
    var css = document.defaultView.getComputedStyle($(element), null);
    return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
      styles[property] = css[property];
      return styles;
    });
  };
} else {
  Element.getStyles = function(element) {
    element = $(element);
    var css = element.currentStyle, styles;
    styles = Element.CSS_PROPERTIES.inject({ }, function(hash, property) {
      hash.set(property, css[property]);
      return hash;
    });
    if (!styles.opacity) styles.set('opacity', element.getOpacity());
    return styles;
  };
};

Effect.Methods = {
  morph: function(element, style) {
    element = $(element);
    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
    return element;
  },
  visualEffect: function(element, effect, options) {
    element = $(element)
    var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
    new Effect[klass](element, options);
    return element;
  },
  highlight: function(element, options) {
    element = $(element);
    new Effect.Highlight(element, options);
    return element;
  }
};

$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
  'pulsate shake puff squish switchOff dropOut').each(
  function(effect) { 
    Effect.Methods[effect] = function(element, options){
      element = $(element);
      Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
      return element;
    }
  }
);

$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each( 
  function(f) { Effect.Methods[f] = Element[f]; }
);

Element.addMethods(Effect.Methods);

// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2007 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
// 
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

if(Object.isUndefined(Effect))
  throw("dragdrop.js requires including script.aculo.us' effects.js library");

var Droppables = {
  drops: [],

  remove: function(element) {
    this.drops = this.drops.reject(function(d) { return d.element==$(element) });
  },

  add: function(element) {
    element = $(element);
    var options = Object.extend({
      greedy:     true,
      hoverclass: null,
      tree:       false
    }, arguments[1] || { });

    // cache containers
    if(options.containment) {
      options._containers = [];
      var containment = options.containment;
      if(Object.isArray(containment)) {
        containment.each( function(c) { options._containers.push($(c)) });
      } else {
        options._containers.push($(containment));
      }
    }
    
    if(options.accept) options.accept = [options.accept].flatten();

    Element.makePositioned(element); // fix IE
    options.element = element;

    this.drops.push(options);
  },
  
  findDeepestChild: function(drops) {
    deepest = drops[0];
      
    for (i = 1; i < drops.length; ++i)
      if (Element.isParent(drops[i].element, deepest.element))
        deepest = drops[i];
    
    return deepest;
  },

  isContained: function(element, drop) {
    var containmentNode;
    if(drop.tree) {
      containmentNode = element.treeNode; 
    } else {
      containmentNode = element.parentNode;
    }
    return drop._containers.detect(function(c) { return containmentNode == c });
  },
  
  isAffected: function(point, element, drop) {
    return (
      (drop.element!=element) &&
      ((!drop._containers) ||
        this.isContained(element, drop)) &&
      ((!drop.accept) ||
        (Element.classNames(element).detect( 
          function(v) { return drop.accept.include(v) } ) )) &&
      Position.within(drop.element, point[0], point[1]) );
  },

  deactivate: function(drop) {
    if(drop.hoverclass)
      Element.removeClassName(drop.element, drop.hoverclass);
    this.last_active = null;
  },

  activate: function(drop) {
    if(drop.hoverclass)
      Element.addClassName(drop.element, drop.hoverclass);
    this.last_active = drop;
  },

  show: function(point, element) {
    if(!this.drops.length) return;
    var drop, affected = [];
    
    this.drops.each( function(drop) {
      if(Droppables.isAffected(point, element, drop))
        affected.push(drop);
    });
        
    if(affected.length>0)
      drop = Droppables.findDeepestChild(affected);

    if(this.last_active && this.last_active != drop) this.deactivate(this.last_active);
    if (drop) {
      Position.within(drop.element, point[0], point[1]);
      if(drop.onHover)
        drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));
      
      if (drop != this.last_active) Droppables.activate(drop);
    }
  },

  fire: function(event, element) {
    if(!this.last_active) return;
    Position.prepare();

    if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
      if (this.last_active.onDrop) {
        this.last_active.onDrop(element, this.last_active.element, event); 
        return true; 
      }
  },

  reset: function() {
    if(this.last_active)
      this.deactivate(this.last_active);
  }
}

var Draggables = {
  drags: [],
  observers: [],
  
  register: function(draggable) {
    if(this.drags.length == 0) {
      this.eventMouseUp   = this.endDrag.bindAsEventListener(this);
      this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
      this.eventKeypress  = this.keyPress.bindAsEventListener(this);
      
      Event.observe(document, "mouseup", this.eventMouseUp);
      Event.observe(document, "mousemove", this.eventMouseMove);
      Event.observe(document, "keypress", this.eventKeypress);
    }
    this.drags.push(draggable);
  },
  
  unregister: function(draggable) {
    this.drags = this.drags.reject(function(d) { return d==draggable });
    if(this.drags.length == 0) {
      Event.stopObserving(document, "mouseup", this.eventMouseUp);
      Event.stopObserving(document, "mousemove", this.eventMouseMove);
      Event.stopObserving(document, "keypress", this.eventKeypress);
    }
  },
  
  activate: function(draggable) {
    if(draggable.options.delay) { 
      this._timeout = setTimeout(function() { 
        Draggables._timeout = null; 
        window.focus(); 
        Draggables.activeDraggable = draggable; 
      }.bind(this), draggable.options.delay); 
    } else {
      window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
      this.activeDraggable = draggable;
    }
  },
  
  deactivate: function() {
    this.activeDraggable = null;
  },
  
  updateDrag: function(event) {
    if(!this.activeDraggable) return;
    var pointer = [Event.pointerX(event), Event.pointerY(event)];
    // Mozilla-based browsers fire successive mousemove events with
    // the same coordinates, prevent needless redrawing (moz bug?)
    if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
    this._lastPointer = pointer;
    
    this.activeDraggable.updateDrag(event, pointer);
  },
  
  endDrag: function(event) {
    if(this._timeout) { 
      clearTimeout(this._timeout); 
      this._timeout = null; 
    }
    if(!this.activeDraggable) return;
    this._lastPointer = null;
    this.activeDraggable.endDrag(event);
    this.activeDraggable = null;
  },
  
  keyPress: function(event) {
    if(this.activeDraggable)
      this.activeDraggable.keyPress(event);
  },
  
  addObserver: function(observer) {
    this.observers.push(observer);
    this._cacheObserverCallbacks();
  },
  
  removeObserver: function(element) {  // element instead of observer fixes mem leaks
    this.observers = this.observers.reject( function(o) { return o.element==element });
    this._cacheObserverCallbacks();
  },
  
  notify: function(eventName, draggable, event) {  // 'onStart', 'onEnd', 'onDrag'
    if(this[eventName+'Count'] > 0)
      this.observers.each( function(o) {
        if(o[eventName]) o[eventName](eventName, draggable, event);
      });
    if(draggable.options[eventName]) draggable.options[eventName](draggable, event);
  },
  
  _cacheObserverCallbacks: function() {
    ['onStart','onEnd','onDrag'].each( function(eventName) {
      Draggables[eventName+'Count'] = Draggables.observers.select(
        function(o) { return o[eventName]; }
      ).length;
    });
  }
}

/*--------------------------------------------------------------------------*/

var Draggable = Class.create({
  initialize: function(element) {
    var defaults = {
      handle: false,
      reverteffect: function(element, top_offset, left_offset) {
        var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;
        new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
          queue: {scope:'_draggable', position:'end'}
        });
      },
      endeffect: function(element) {
        var toOpacity = Object.isNumber(element._opacity) ? element._opacity : 1.0;
        new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity, 
          queue: {scope:'_draggable', position:'end'},
          afterFinish: function(){ 
            Draggable._dragging[element] = false 
          }
        }); 
      },
      zindex: 1000,
      revert: false,
      quiet: false,
      scroll: false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      snap: false,  // false, or xy or [x,y] or function(x,y){ return [x,y] }
      delay: 0
    };
    
    if(!arguments[1] || Object.isUndefined(arguments[1].endeffect))
      Object.extend(defaults, {
        starteffect: function(element) {
          element._opacity = Element.getOpacity(element);
          Draggable._dragging[element] = true;
          new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7}); 
        }
      });
    
    var options = Object.extend(defaults, arguments[1] || { });

    this.element = $(element);
    
    if(options.handle && Object.isString(options.handle))
      this.handle = this.element.down('.'+options.handle, 0);
    
    if(!this.handle) this.handle = $(options.handle);
    if(!this.handle) this.handle = this.element;
    
    if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
      options.scroll = $(options.scroll);
      this._isScrollChild = Element.childOf(this.element, options.scroll);
    }

    Element.makePositioned(this.element); // fix IE    

    this.options  = options;
    this.dragging = false;   

    this.eventMouseDown = this.initDrag.bindAsEventListener(this);
    Event.observe(this.handle, "mousedown", this.eventMouseDown);
    
    Draggables.register(this);
  },
  
  destroy: function() {
    Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
    Draggables.unregister(this);
  },
  
  currentDelta: function() {
    return([
      parseInt(Element.getStyle(this.element,'left') || '0'),
      parseInt(Element.getStyle(this.element,'top') || '0')]);
  },
  
  initDrag: function(event) {
    if(!Object.isUndefined(Draggable._dragging[this.element]) &&
      Draggable._dragging[this.element]) return;
    if(Event.isLeftClick(event)) {    
      // abort on form elements, fixes a Firefox issue
      var src = Event.element(event);
      if((tag_name = src.tagName.toUpperCase()) && (
        tag_name=='INPUT' ||
        tag_name=='SELECT' ||
        tag_name=='OPTION' ||
        tag_name=='BUTTON' ||
        tag_name=='TEXTAREA')) return;
        
      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      var pos     = Position.cumulativeOffset(this.element);
      this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) });
      
      Draggables.activate(this);
      Event.stop(event);
    }
  },
  
  startDrag: function(event) {
    this.dragging = true;
    if(!this.delta)
      this.delta = this.currentDelta();
    
    if(this.options.zindex) {
      this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0);
      this.element.style.zIndex = this.options.zindex;
    }
    
    if(this.options.ghosting) {
      this._clone = this.element.cloneNode(true);
      this.element._originallyAbsolute = (this.element.getStyle('position') == 'absolute');
      if (!this.element._originallyAbsolute)
        Position.absolutize(this.element);
      this.element.parentNode.insertBefore(this._clone, this.element);
    }
    
    if(this.options.scroll) {
      if (this.options.scroll == window) {
        var where = this._getWindowScroll(this.options.scroll);
        this.originalScrollLeft = where.left;
        this.originalScrollTop = where.top;
      } else {
        this.originalScrollLeft = this.options.scroll.scrollLeft;
        this.originalScrollTop = this.options.scroll.scrollTop;
      }
    }
    
    Draggables.notify('onStart', this, event);
        
    if(this.options.starteffect) this.options.starteffect(this.element);
  },
  
  updateDrag: function(event, pointer) {
    if(!this.dragging) this.startDrag(event);
    
    if(!this.options.quiet){
      Position.prepare();
      Droppables.show(pointer, this.element);
    }
    
    Draggables.notify('onDrag', this, event);
    
    this.draw(pointer);
    if(this.options.change) this.options.change(this);
    
    if(this.options.scroll) {
      this.stopScrolling();
      
      var p;
      if (this.options.scroll == window) {
        with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; }
      } else {
        p = Position.page(this.options.scroll);
        p[0] += this.options.scroll.scrollLeft + Position.deltaX;
        p[1] += this.options.scroll.scrollTop + Position.deltaY;
        p.push(p[0]+this.options.scroll.offsetWidth);
        p.push(p[1]+this.options.scroll.offsetHeight);
      }
      var speed = [0,0];
      if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity);
      if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity);
      if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity);
      if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity);
      this.startScrolling(speed);
    }
    
    // fix AppleWebKit rendering
    if(Prototype.Browser.WebKit) window.scrollBy(0,0);
    
    Event.stop(event);
  },
  
  finishDrag: function(event, success) {
    this.dragging = false;
    
    if(this.options.quiet){
      Position.prepare();
      var pointer = [Event.pointerX(event), Event.pointerY(event)];
      Droppables.show(pointer, this.element);
    }

    if(this.options.ghosting) {
      if (!this.element._originallyAbsolute)
        Position.relativize(this.element);
      delete this.element._originallyAbsolute;
      Element.remove(this._clone);
      this._clone = null;
    }

    var dropped = false; 
    if(success) { 
      dropped = Droppables.fire(event, this.element); 
      if (!dropped) dropped = false; 
    }
    if(dropped && this.options.onDropped) this.options.onDropped(this.element);
    Draggables.notify('onEnd', this, event);

    var revert = this.options.revert;
    if(revert && Object.isFunction(revert)) revert = revert(this.element);
    
    var d = this.currentDelta();
    if(revert && this.options.reverteffect) {
      if (dropped == 0 || revert != 'failure')
        this.options.reverteffect(this.element,
          d[1]-this.delta[1], d[0]-this.delta[0]);
    } else {
      this.delta = d;
    }

    if(this.options.zindex)
      this.element.style.zIndex = this.originalZ;

    if(this.options.endeffect) 
      this.options.endeffect(this.element);
      
    Draggables.deactivate(this);
    Droppables.reset();
  },
  
  keyPress: function(event) {
    if(event.keyCode!=Event.KEY_ESC) return;
    this.finishDrag(event, false);
    Event.stop(event);
  },
  
  endDrag: function(event) {
    if(!this.dragging) return;
    this.stopScrolling();
    this.finishDrag(event, true);
    Event.stop(event);
  },
  
  draw: function(point) {
    var pos = Position.cumulativeOffset(this.element);
    if(this.options.ghosting) {
      var r   = Position.realOffset(this.element);
      pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY;
    }
    
    var d = this.currentDelta();
    pos[0] -= d[0]; pos[1] -= d[1];
    
    if(this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
      pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft;
      pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop;
    }
    
    var p = [0,1].map(function(i){ 
      return (point[i]-pos[i]-this.offset[i]) 
    }.bind(this));
    
    if(this.options.snap) {
      if(Object.isFunction(this.options.snap)) {
        p = this.options.snap(p[0],p[1],this);
      } else {
      if(Object.isArray(this.options.snap)) {
        p = p.map( function(v, i) {
          return (v/this.options.snap[i]).round()*this.options.snap[i] }.bind(this))
      } else {
        p = p.map( function(v) {
          return (v/this.options.snap).round()*this.options.snap }.bind(this))
      }
    }}
    
    var style = this.element.style;
    if((!this.options.constraint) || (this.options.constraint=='horizontal'))
      style.left = p[0] + "px";
    if((!this.options.constraint) || (this.options.constraint=='vertical'))
      style.top  = p[1] + "px";
    
    if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering
  },
  
  stopScrolling: function() {
    if(this.scrollInterval) {
      clearInterval(this.scrollInterval);
      this.scrollInterval = null;
      Draggables._lastScrollPointer = null;
    }
  },
  
  startScrolling: function(speed) {
    if(!(speed[0] || speed[1])) return;
    this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];
    this.lastScrolled = new Date();
    this.scrollInterval = setInterval(this.scroll.bind(this), 10);
  },
  
  scroll: function() {
    var current = new Date();
    var delta = current - this.lastScrolled;
    this.lastScrolled = current;
    if(this.options.scroll == window) {
      with (this._getWindowScroll(this.options.scroll)) {
        if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
          var d = delta / 1000;
          this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] );
        }
      }
    } else {
      this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
      this.options.scroll.scrollTop  += this.scrollSpeed[1] * delta / 1000;
    }
    
    Position.prepare();
    Droppables.show(Draggables._lastPointer, this.element);
    Draggables.notify('onDrag', this);
    if (this._isScrollChild) {
      Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
      Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
      Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
      if (Draggables._lastScrollPointer[0] < 0)
        Draggables._lastScrollPointer[0] = 0;
      if (Draggables._lastScrollPointer[1] < 0)
        Draggables._lastScrollPointer[1] = 0;
      this.draw(Draggables._lastScrollPointer);
    }
    
    if(this.options.change) this.options.change(this);
  },
  
  _getWindowScroll: function(w) {
    var T, L, W, H;
    with (w.document) {
      if (w.document.documentElement && documentElement.scrollTop) {
        T = documentElement.scrollTop;
        L = documentElement.scrollLeft;
      } else if (w.document.body) {
        T = body.scrollTop;
        L = body.scrollLeft;
      }
      if (w.innerWidth) {
        W = w.innerWidth;
        H = w.innerHeight;
      } else if (w.document.documentElement && documentElement.clientWidth) {
        W = documentElement.clientWidth;
        H = documentElement.clientHeight;
      } else {
        W = body.offsetWidth;
        H = body.offsetHeight
      }
    }
    return { top: T, left: L, width: W, height: H };
  }
});

Draggable._dragging = { };

/*--------------------------------------------------------------------------*/

var SortableObserver = Class.create({
  initialize: function(element, observer) {
    this.element   = $(element);
    this.observer  = observer;
    this.lastValue = Sortable.serialize(this.element);
  },
  
  onStart: function() {
    this.lastValue = Sortable.serialize(this.element);
  },
  
  onEnd: function() {
    Sortable.unmark();
    if(this.lastValue != Sortable.serialize(this.element))
      this.observer(this.element)
  }
});

var Sortable = {
  SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,
  
  sortables: { },
  
  _findRootElement: function(element) {
    while (element.tagName.toUpperCase() != "BODY") {  
      if(element.id && Sortable.sortables[element.id]) return element;
      element = element.parentNode;
    }
  },

  options: function(element) {
    element = Sortable._findRootElement($(element));
    if(!element) return;
    return Sortable.sortables[element.id];
  },
  
  destroy: function(element){
    var s = Sortable.options(element);
    
    if(s) {
      Draggables.removeObserver(s.element);
      s.droppables.each(function(d){ Droppables.remove(d) });
      s.draggables.invoke('destroy');
      
      delete Sortable.sortables[s.element.id];
    }
  },

  create: function(element) {
    element = $(element);
    var options = Object.extend({ 
      element:     element,
      tag:         'li',       // assumes li children, override with tag: 'tagname'
      dropOnEmpty: false,
      tree:        false,
      treeTag:     'ul',
      overlap:     'vertical', // one of 'vertical', 'horizontal'
      constraint:  'vertical', // one of 'vertical', 'horizontal', false
      containment: element,    // also takes array of elements (or id's); or false
      handle:      false,      // or a CSS class
      only:        false,
      delay:       0,
      hoverclass:  null,
      ghosting:    false,
      quiet:       false, 
      scroll:      false,
      scrollSensitivity: 20,
      scrollSpeed: 15,
      format:      this.SERIALIZE_RULE,
      
      // these take arrays of elements or ids and can be 
      // used for better initialization performance
      elements:    false,
      handles:     false,
      
      onChange:    Prototype.emptyFunction,
      onUpdate:    Prototype.emptyFunction
    }, arguments[1] || { });

    // clear any old sortable with same element
    this.destroy(element);

    // build options for the draggables
    var options_for_draggable = {
      revert:      true,
      quiet:       options.quiet,
      scroll:      options.scroll,
      scrollSpeed: options.scrollSpeed,
      scrollSensitivity: options.scrollSensitivity,
      delay:       options.delay,
      ghosting:    options.ghosting,
      constraint:  options.constraint,
      handle:      options.handle };

    if(options.starteffect)
      options_for_draggable.starteffect = options.starteffect;

    if(options.reverteffect)
      options_for_draggable.reverteffect = options.reverteffect;
    else
      if(options.ghosting) options_for_draggable.reverteffect = function(element) {
        element.style.top  = 0;
        element.style.left = 0;
      };

    if(options.endeffect)
      options_for_draggable.endeffect = options.endeffect;

    if(options.zindex)
      options_for_draggable.zindex = options.zindex;

    // build options for the droppables  
    var options_for_droppable = {
      overlap:     options.overlap,
      containment: options.containment,
      tree:        options.tree,
      hoverclass:  options.hoverclass,
      onHover:     Sortable.onHover
    }
    
    var options_for_tree = {
      onHover:      Sortable.onEmptyHover,
      overlap:      options.overlap,
      containment:  options.containment,
      hoverclass:   options.hoverclass
    }

    // fix for gecko engine
    Element.cleanWhitespace(element); 

    options.draggables = [];
    options.droppables = [];

    // drop on empty handling
    if(options.dropOnEmpty || options.tree) {
      Droppables.add(element, options_for_tree);
      options.droppables.push(element);
    }

    (options.elements || this.findElements(element, options) || []).each( function(e,i) {
      var handle = options.handles ? $(options.handles[i]) :
        (options.handle ? $(e).select('.' + options.handle)[0] : e); 
      options.draggables.push(
        new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
      Droppables.add(e, options_for_droppable);
      if(options.tree) e.treeNode = element;
      options.droppables.push(e);      
    });
    
    if(options.tree) {
      (Sortable.findTreeElements(element, options) || []).each( function(e) {
        Droppables.add(e, options_for_tree);
        e.treeNode = element;
        options.droppables.push(e);
      });
    }

    // keep reference
    this.sortables[element.id] = options;

    // for onupdate
    Draggables.addObserver(new SortableObserver(element, options.onUpdate));

  },

  // return all suitable-for-sortable elements in a guaranteed order
  findElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.tag);
  },
  
  findTreeElements: function(element, options) {
    return Element.findChildren(
      element, options.only, options.tree ? true : false, options.treeTag);
  },

  onHover: function(element, dropon, overlap) {
    if(Element.isParent(dropon, element)) return;

    if(overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
      return;
    } else if(overlap>0.5) {
      Sortable.mark(dropon, 'before');
      if(dropon.previousSibling != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, dropon);
        if(dropon.parentNode!=oldParentNode) 
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    } else {
      Sortable.mark(dropon, 'after');
      var nextElement = dropon.nextSibling || null;
      if(nextElement != element) {
        var oldParentNode = element.parentNode;
        element.style.visibility = "hidden"; // fix gecko rendering
        dropon.parentNode.insertBefore(element, nextElement);
        if(dropon.parentNode!=oldParentNode) 
          Sortable.options(oldParentNode).onChange(element);
        Sortable.options(dropon.parentNode).onChange(element);
      }
    }
  },
  
  onEmptyHover: function(element, dropon, overlap) {
    var oldParentNode = element.parentNode;
    var droponOptions = Sortable.options(dropon);
        
    if(!Element.isParent(dropon, element)) {
      var index;
      
      var children = Sortable.findElements(dropon, {tag: droponOptions.tag, only: droponOptions.only});
      var child = null;
            
      if(children) {
        var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);
        
        for (index = 0; index < children.length; index += 1) {
          if (offset - Element.offsetSize (children[index], droponOptions.overlap) >= 0) {
            offset -= Element.offsetSize (children[index], droponOptions.overlap);
          } else if (offset - (Element.offsetSize (children[index], droponOptions.overlap) / 2) >= 0) {
            child = index + 1 < children.length ? children[index + 1] : null;
            break;
          } else {
            child = children[index];
            break;
          }
        }
      }
      
      dropon.insertBefore(element, child);
      
      Sortable.options(oldParentNode).onChange(element);
      droponOptions.onChange(element);
    }
  },

  unmark: function() {
    if(Sortable._marker) Sortable._marker.hide();
  },

  mark: function(dropon, position) {
    // mark on ghosting only
    var sortable = Sortable.options(dropon.parentNode);
    if(sortable && !sortable.ghosting) return; 

    if(!Sortable._marker) {
      Sortable._marker = 
        ($('dropmarker') || Element.extend(document.createElement('DIV'))).
          hide().addClassName('dropmarker').setStyle({position:'absolute'});
      document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
    }    
    var offsets = Position.cumulativeOffset(dropon);
    Sortable._marker.setStyle({left: offsets[0]+'px', top: offsets[1] + 'px'});
    
    if(position=='after')
      if(sortable.overlap == 'horizontal') 
        Sortable._marker.setStyle({left: (offsets[0]+dropon.clientWidth) + 'px'});
      else
        Sortable._marker.setStyle({top: (offsets[1]+dropon.clientHeight) + 'px'});
    
    Sortable._marker.show();
  },
  
  _tree: function(element, options, parent) {
    var children = Sortable.findElements(element, options) || [];
  
    for (var i = 0; i < children.length; ++i) {
      var match = children[i].id.match(options.format);

      if (!match) continue;
      
      var child = {
        id: encodeURIComponent(match ? match[1] : null),
        element: element,
        parent: parent,
        children: [],
        position: parent.children.length,
        container: $(children[i]).down(options.treeTag)
      }
      
      /* Get the element containing the children and recurse over it */
      if (child.container)
        this._tree(child.container, options, child)
      
      parent.children.push (child);
    }

    return parent; 
  },

  tree: function(element) {
    element = $(element);
    var sortableOptions = this.options(element);
    var options = Object.extend({
      tag: sortableOptions.tag,
      treeTag: sortableOptions.treeTag,
      only: sortableOptions.only,
      name: element.id,
      format: sortableOptions.format
    }, arguments[1] || { });
    
    var root = {
      id: null,
      parent: null,
      children: [],
      container: element,
      position: 0
    }
    
    return Sortable._tree(element, options, root);
  },

  /* Construct a [i] index for a particular node */
  _constructIndex: function(node) {
    var index = '';
    do {
      if (node.id) index = '[' + node.position + ']' + index;
    } while ((node = node.parent) != null);
    return index;
  },

  sequence: function(element) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[1] || { });
    
    return $(this.findElements(element, options) || []).map( function(item) {
      return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
    });
  },

  setSequence: function(element, new_sequence) {
    element = $(element);
    var options = Object.extend(this.options(element), arguments[2] || { });
    
    var nodeMap = { };
    this.findElements(element, options).each( function(n) {
        if (n.id.match(options.format))
            nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
        n.parentNode.removeChild(n);
    });
   
    new_sequence.each(function(ident) {
      var n = nodeMap[ident];
      if (n) {
        n[1].appendChild(n[0]);
        delete nodeMap[ident];
      }
    });
  },
  
  serialize: function(element) {
    element = $(element);
    var options = Object.extend(Sortable.options(element), arguments[1] || { });
    var name = encodeURIComponent(
      (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);
    
    if (options.tree) {
      return Sortable.tree(element, arguments[1]).children.map( function (item) {
        return [name + Sortable._constructIndex(item) + "[id]=" + 
                encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
      }).flatten().join('&');
    } else {
      return Sortable.sequence(element, arguments[1]).map( function(item) {
        return name + "[]=" + encodeURIComponent(item);
      }).join('&');
    }
  }
}

// Returns true if child is contained within element
Element.isParent = function(child, element) {
  if (!child.parentNode || child == element) return false;
  if (child.parentNode == element) return true;
  return Element.isParent(child.parentNode, element);
}

Element.findChildren = function(element, only, recursive, tagName) {   
  if(!element.hasChildNodes()) return null;
  tagName = tagName.toUpperCase();
  if(only) only = [only].flatten();
  var elements = [];
  $A(element.childNodes).each( function(e) {
    if(e.tagName && e.tagName.toUpperCase()==tagName &&
      (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
        elements.push(e);
    if(recursive) {
      var grandchildren = Element.findChildren(e, only, recursive, tagName);
      if(grandchildren) elements.push(grandchildren);
    }
  });

  return (elements.length>0 ? elements.flatten() : []);
}

Element.offsetSize = function (element, type) {
  return element['offset' + ((type=='vertical' || type=='height') ? 'Height' : 'Width')];
}

// Copyright (c) 2005-2008 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//           (c) 2005-2007 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
//           (c) 2005-2007 Jon Tirsen (http://www.tirsen.com)
// Contributors:
//  Richard Livsey
//  Rahul Bhargava
//  Rob Wills
// 
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

// Autocompleter.Base handles all the autocompletion functionality 
// that's independent of the data source for autocompletion. This
// includes drawing the autocompletion menu, observing keyboard
// and mouse events, and similar.
//
// Specific autocompleters need to provide, at the very least, 
// a getUpdatedChoices function that will be invoked every time
// the text inside the monitored textbox changes. This method 
// should get the text for which to provide autocompletion by
// invoking this.getToken(), NOT by directly accessing
// this.element.value. This is to allow incremental tokenized
// autocompletion. Specific auto-completion logic (AJAX, etc)
// belongs in getUpdatedChoices.
//
// Tokenized incremental autocompletion is enabled automatically
// when an autocompleter is instantiated with the 'tokens' option
// in the options parameter, e.g.:
// new Ajax.Autocompleter('id','upd', '/url/', { tokens: ',' });
// will incrementally autocomplete with a comma as the token.
// Additionally, ',' in the above example can be replaced with
// a token array, e.g. { tokens: [',', '\n'] } which
// enables autocompletion on multiple tokens. This is most 
// useful when one of the tokens is \n (a newline), as it 
// allows smart autocompletion after linebreaks.

if(typeof Effect == 'undefined')
  throw("controls.js requires including script.aculo.us' effects.js library");

var Autocompleter = { }
Autocompleter.Base = Class.create({
  baseInitialize: function(element, update, options) {
    element          = $(element)
    this.element     = element; 
    this.update      = $(update);  
    this.hasFocus    = false; 
    this.changed     = false; 
    this.active      = false; 
    this.index       = 0;     
    this.entryCount  = 0;
    this.oldElementValue = this.element.value;

    if(this.setOptions)
      this.setOptions(options);
    else
      this.options = options || { };

    this.options.paramName    = this.options.paramName || this.element.name;
    this.options.tokens       = this.options.tokens || [];
    this.options.frequency    = this.options.frequency || 0.4;
    this.options.minChars     = this.options.minChars || 1;
    this.options.onShow       = this.options.onShow || 
      function(element, update){ 
        if(!update.style.position || update.style.position=='absolute') {
          update.style.position = 'absolute';
          Position.clone(element, update, {
            setHeight: false, 
            offsetTop: element.offsetHeight
          });
        }
        Effect.Appear(update,{duration:0.15});
      };
    this.options.onHide = this.options.onHide || 
      function(element, update){ new Effect.Fade(update,{duration:0.15}) };

    if(typeof(this.options.tokens) == 'string') 
      this.options.tokens = new Array(this.options.tokens);
    // Force carriage returns as token delimiters anyway
    if (!this.options.tokens.include('\n'))
      this.options.tokens.push('\n');

    this.observer = null;
    
    this.element.setAttribute('autocomplete','off');

    Element.hide(this.update);

    Event.observe(this.element, 'blur', this.onBlur.bindAsEventListener(this));
    Event.observe(this.element, 'keydown', this.onKeyPress.bindAsEventListener(this));
  },

  show: function() {
    if(Element.getStyle(this.update, 'display')=='none') this.options.onShow(this.element, this.update);
    if(!this.iefix && 
      (Prototype.Browser.IE) &&
      (Element.getStyle(this.update, 'position')=='absolute')) {
      new Insertion.After(this.update, 
       '<iframe id="' + this.update.id + '_iefix" '+
       'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
       'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
      this.iefix = $(this.update.id+'_iefix');
    }
    if(this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50);
  },
  
  fixIEOverlapping: function() {
    Position.clone(this.update, this.iefix, {setTop:(!this.update.style.height)});
    this.iefix.style.zIndex = 1;
    this.update.style.zIndex = 2;
    Element.show(this.iefix);
  },

  hide: function() {
    this.stopIndicator();
    if(Element.getStyle(this.update, 'display')!='none') this.options.onHide(this.element, this.update);
    if(this.iefix) Element.hide(this.iefix);
  },

  startIndicator: function() {
    if(this.options.indicator) Element.show(this.options.indicator);
  },

  stopIndicator: function() {
    if(this.options.indicator) Element.hide(this.options.indicator);
  },

  onKeyPress: function(event) {
    if(this.active)
      switch(event.keyCode) {
       case Event.KEY_TAB:
       case Event.KEY_RETURN:
         this.selectEntry();
         Event.stop(event);
       case Event.KEY_ESC:
         this.hide();
         this.active = false;
         Event.stop(event);
         return;
       case Event.KEY_LEFT:
       case Event.KEY_RIGHT:
         return;
       case Event.KEY_UP:
         this.markPrevious();
         this.render();
         Event.stop(event);
         return;
       case Event.KEY_DOWN:
         this.markNext();
         this.render();
         Event.stop(event);
         return;
      }
     else 
       if(event.keyCode==Event.KEY_TAB || event.keyCode==Event.KEY_RETURN || 
         (Prototype.Browser.WebKit > 0 && event.keyCode == 0)) return;

    this.changed = true;
    this.hasFocus = true;

    if(this.observer) clearTimeout(this.observer);
      this.observer = 
        setTimeout(this.onObserverEvent.bind(this), this.options.frequency*1000);
  },

  activate: function() {
    this.changed = false;
    this.hasFocus = true;
    this.getUpdatedChoices();
  },

  onHover: function(event) {
    var element = Event.findElement(event, 'LI');
    if(this.index != element.autocompleteIndex) 
    {
        this.index = element.autocompleteIndex;
        this.render();
    }
    Event.stop(event);
  },
  
  onClick: function(event) {
    var element = Event.findElement(event, 'LI');
    this.index = element.autocompleteIndex;
    this.selectEntry();
    this.hide();
  },
  
  onBlur: function(event) {
    // needed to make click events working
    setTimeout(this.hide.bind(this), 250);
    this.hasFocus = false;
    this.active = false;     
  }, 
  
  render: function() {
    if(this.entryCount > 0) {
      for (var i = 0; i < this.entryCount; i++)
        this.index==i ? 
          Element.addClassName(this.getEntry(i),"selected") : 
          Element.removeClassName(this.getEntry(i),"selected");
      if(this.hasFocus) { 
        this.show();
        this.active = true;
      }
    } else {
      this.active = false;
      this.hide();
    }
  },
  
  markPrevious: function() {
    if(this.index > 0) this.index--
      else this.index = this.entryCount-1;
    this.getEntry(this.index).scrollIntoView(true);
  },
  
  markNext: function() {
    if(this.index < this.entryCount-1) this.index++
      else this.index = 0;
    this.getEntry(this.index).scrollIntoView(false);
  },
  
  getEntry: function(index) {
    return this.update.firstChild.childNodes[index];
  },
  
  getCurrentEntry: function() {
    return this.getEntry(this.index);
  },
  
  selectEntry: function() {
    this.active = false;
    this.updateElement(this.getCurrentEntry());
  },

  updateElement: function(selectedElement) {
    if (this.options.updateElement) {
      this.options.updateElement(selectedElement);
      return;
    }
    var value = '';
    if (this.options.select) {
      var nodes = $(selectedElement).select('.' + this.options.select) || [];
      if(nodes.length>0) value = Element.collectTextNodes(nodes[0], this.options.select);
    } else
      value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');
    
    var bounds = this.getTokenBounds();
    if (bounds[0] != -1) {
      var newValue = this.element.value.substr(0, bounds[0]);
      var whitespace = this.element.value.substr(bounds[0]).match(/^\s+/);
      if (whitespace)
        newValue += whitespace[0];
      this.element.value = newValue + value + this.element.value.substr(bounds[1]);
    } else {
      this.element.value = value;
    }
    this.oldElementValue = this.element.value;
    this.element.focus();
    
    if (this.options.afterUpdateElement)
      this.options.afterUpdateElement(this.element, selectedElement);
  },

  updateChoices: function(choices) {
    if(!this.changed && this.hasFocus) {
      this.update.innerHTML = choices;
      Element.cleanWhitespace(this.update);
      Element.cleanWhitespace(this.update.down());

      if(this.update.firstChild && this.update.down().childNodes) {
        this.entryCount = 
          this.update.down().childNodes.length;
        for (var i = 0; i < this.entryCount; i++) {
          var entry = this.getEntry(i);
          entry.autocompleteIndex = i;
          this.addObservers(entry);
        }
      } else { 
        this.entryCount = 0;
      }

      this.stopIndicator();
      this.index = 0;
      
      if(this.entryCount==1 && this.options.autoSelect) {
        this.selectEntry();
        this.hide();
      } else {
        this.render();
      }
    }
  },

  addObservers: function(element) {
    Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));
    Event.observe(element, "click", this.onClick.bindAsEventListener(this));
  },

  onObserverEvent: function() {
    this.changed = false;   
    this.tokenBounds = null;
    if(this.getToken().length>=this.options.minChars) {
      this.getUpdatedChoices();
    } else {
      this.active = false;
      this.hide();
    }
    this.oldElementValue = this.element.value;
  },

  getToken: function() {
    var bounds = this.getTokenBounds();
    return this.element.value.substring(bounds[0], bounds[1]).strip();
  },

  getTokenBounds: function() {
    if (null != this.tokenBounds) return this.tokenBounds;
    var value = this.element.value;
    if (value.strip().empty()) return [-1, 0];
    var diff = arguments.callee.getFirstDifferencePos(value, this.oldElementValue);
    var offset = (diff == this.oldElementValue.length ? 1 : 0);
    var prevTokenPos = -1, nextTokenPos = value.length;
    var tp;
    for (var index = 0, l = this.options.tokens.length; index < l; ++index) {
      tp = value.lastIndexOf(this.options.tokens[index], diff + offset - 1);
      if (tp > prevTokenPos) prevTokenPos = tp;
      tp = value.indexOf(this.options.tokens[index], diff + offset);
      if (-1 != tp && tp < nextTokenPos) nextTokenPos = tp;
    }
    return (this.tokenBounds = [prevTokenPos + 1, nextTokenPos]);
  }
});

Autocompleter.Base.prototype.getTokenBounds.getFirstDifferencePos = function(newS, oldS) {
  var boundary = Math.min(newS.length, oldS.length);
  for (var index = 0; index < boundary; ++index)
    if (newS[index] != oldS[index])
      return index;
  return boundary;
};

Ajax.Autocompleter = Class.create(Autocompleter.Base, {
  initialize: function(element, update, url, options) {
    this.baseInitialize(element, update, options);
    this.options.asynchronous  = true;
    this.options.onComplete    = this.onComplete.bind(this);
    this.options.defaultParams = this.options.parameters || null;
    this.url                   = url;
  },

  getUpdatedChoices: function() {
    this.startIndicator();
    
    var entry = encodeURIComponent(this.options.paramName) + '=' + 
      encodeURIComponent(this.getToken());

    this.options.parameters = this.options.callback ?
      this.options.callback(this.element, entry) : entry;

    if(this.options.defaultParams) 
      this.options.parameters += '&' + this.options.defaultParams;
    
    new Ajax.Request(this.url, this.options);
  },

  onComplete: function(request) {
    this.updateChoices(request.responseText);
  }
});

// The local array autocompleter. Used when you'd prefer to
// inject an array of autocompletion options into the page, rather
// than sending out Ajax queries, which can be quite slow sometimes.
//
// The constructor takes four parameters. The first two are, as usual,
// the id of the monitored textbox, and id of the autocompletion menu.
// The third is the array you want to autocomplete from, and the fourth
// is the options block.
//
// Extra local autocompletion options:
// - choices - How many autocompletion choices to offer
//
// - partialSearch - If false, the autocompleter will match entered
//                    text only at the beginning of strings in the 
//                    autocomplete array. Defaults to true, which will
//                    match text at the beginning of any *word* in the
//                    strings in the autocomplete array. If you want to
//                    search anywhere in the string, additionally set
//                    the option fullSearch to true (default: off).
//
// - fullSsearch - Search anywhere in autocomplete array strings.
//
// - partialChars - How many characters to enter before triggering
//                   a partial match (unlike minChars, which defines
//                   how many characters are required to do any match
//                   at all). Defaults to 2.
//
// - ignoreCase - Whether to ignore case when autocompleting.
//                 Defaults to true.
//
// It's possible to pass in a custom function as the 'selector' 
// option, if you prefer to write your own autocompletion logic.
// In that case, the other options above will not apply unless
// you support them.

Autocompleter.Local = Class.create(Autocompleter.Base, {
  initialize: function(element, update, array, options) {
    this.baseInitialize(element, update, options);
    this.options.array = array;
  },

  getUpdatedChoices: function() {
    this.updateChoices(this.options.selector(this));
  },

  setOptions: function(options) {
    this.options = Object.extend({
      choices: 10,
      partialSearch: true,
      partialChars: 2,
      ignoreCase: true,
      fullSearch: false,
      selector: function(instance) {
        var ret       = []; // Beginning matches
        var partial   = []; // Inside matches
        var entry     = instance.getToken();
        var count     = 0;

        for (var i = 0; i < instance.options.array.length &&  
          ret.length < instance.options.choices ; i++) { 

          var elem = instance.options.array[i];
          var foundPos = instance.options.ignoreCase ? 
            elem.toLowerCase().indexOf(entry.toLowerCase()) : 
            elem.indexOf(entry);

          while (foundPos != -1) {
            if (foundPos == 0 && elem.length != entry.length) { 
              ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" + 
                elem.substr(entry.length) + "</li>");
              break;
            } else if (entry.length >= instance.options.partialChars && 
              instance.options.partialSearch && foundPos != -1) {
              if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos-1,1))) {
                partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" +
                  elem.substr(foundPos, entry.length) + "</strong>" + elem.substr(
                  foundPos + entry.length) + "</li>");
                break;
              }
            }

            foundPos = instance.options.ignoreCase ? 
              elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) : 
              elem.indexOf(entry, foundPos + 1);

          }
        }
        if (partial.length)
          ret = ret.concat(partial.slice(0, instance.options.choices - ret.length))
        return "<ul>" + ret.join('') + "</ul>";
      }
    }, options || { });
  }
});

// AJAX in-place editor and collection editor
// Full rewrite by Christophe Porteneuve <tdd@tddsworld.com> (April 2007).

// Use this if you notice weird scrolling problems on some browsers,
// the DOM might be a bit confused when this gets called so do this
// waits 1 ms (with setTimeout) until it does the activation
Field.scrollFreeActivate = function(field) {
  setTimeout(function() {
    Field.activate(field);
  }, 1);
}

Ajax.InPlaceEditor = Class.create({
  initialize: function(element, url, options) {
    this.url = url;
    this.element = element = $(element);
    this.prepareOptions();
    this._controls = { };
    arguments.callee.dealWithDeprecatedOptions(options); // DEPRECATION LAYER!!!
    Object.extend(this.options, options || { });
    if (!this.options.formId && this.element.id) {
      this.options.formId = this.element.id + '-inplaceeditor';
      if ($(this.options.formId))
        this.options.formId = '';
    }
    if (this.options.externalControl)
      this.options.externalControl = $(this.options.externalControl);
    if (!this.options.externalControl)
      this.options.externalControlOnly = false;
    this._originalBackground = this.element.getStyle('background-color') || 'transparent';
    this.element.title = this.options.clickToEditText;
    this._boundCancelHandler = this.handleFormCancellation.bind(this);
    this._boundComplete = (this.options.onComplete || Prototype.emptyFunction).bind(this);
    this._boundFailureHandler = this.handleAJAXFailure.bind(this);
    this._boundSubmitHandler = this.handleFormSubmission.bind(this);
    this._boundWrapperHandler = this.wrapUp.bind(this);
    this.registerListeners();
  },
  checkForEscapeOrReturn: function(e) {
    if (!this._editing || e.ctrlKey || e.altKey || e.shiftKey) return;
    if (Event.KEY_ESC == e.keyCode)
      this.handleFormCancellation(e);
    else if (Event.KEY_RETURN == e.keyCode)
      this.handleFormSubmission(e);
  },
  createControl: function(mode, handler, extraClasses) {
    var control = this.options[mode + 'Control'];
    var text = this.options[mode + 'Text'];
    if ('button' == control) {
      var btn = document.createElement('input');
      btn.type = 'submit';
      btn.value = text;
      btn.className = 'editor_' + mode + '_button';
      if ('cancel' == mode)
        btn.onclick = this._boundCancelHandler;
      this._form.appendChild(btn);
      this._controls[mode] = btn;
    } else if ('link' == control) {
      var link = document.createElement('a');
      link.href = '#';
      link.appendChild(document.createTextNode(text));
      link.onclick = 'cancel' == mode ? this._boundCancelHandler : this._boundSubmitHandler;
      link.className = 'editor_' + mode + '_link';
      if (extraClasses)
        link.className += ' ' + extraClasses;
      this._form.appendChild(link);
      this._controls[mode] = link;
    }
  },
  createEditField: function() {
    var text = (this.options.loadTextURL ? this.options.loadingText : this.getText());
    var fld;
    if (1 >= this.options.rows && !/\r|\n/.test(this.getText())) {
      fld = document.createElement('input');
      fld.type = 'text';
      var size = this.options.size || this.options.cols || 0;
      if (0 < size) fld.size = size;
    } else {
      fld = document.createElement('textarea');
      fld.rows = (1 >= this.options.rows ? this.options.autoRows : this.options.rows);
      fld.cols = this.options.cols || 40;
    }
    fld.name = this.options.paramName;
    fld.value = text; // No HTML breaks conversion anymore
    fld.className = 'editor_field';
    if (this.options.submitOnBlur)
      fld.onblur = this._boundSubmitHandler;
    this._controls.editor = fld;
    if (this.options.loadTextURL)
      this.loadExternalText();
    this._form.appendChild(this._controls.editor);
  },
  createForm: function() {
    var ipe = this;
    function addText(mode, condition) {
      var text = ipe.options['text' + mode + 'Controls'];
      if (!text || condition === false) return;
      ipe._form.appendChild(document.createTextNode(text));
    };
    this._form = $(document.createElement('form'));
    this._form.id = this.options.formId;
    this._form.addClassName(this.options.formClassName);
    this._form.onsubmit = this._boundSubmitHandler;
    this.createEditField();
    if ('textarea' == this._controls.editor.tagName.toLowerCase())
      this._form.appendChild(document.createElement('br'));
    if (this.options.onFormCustomization)
      this.options.onFormCustomization(this, this._form);
    addText('Before', this.options.okControl || this.options.cancelControl);
    this.createControl('ok', this._boundSubmitHandler);
    addText('Between', this.options.okControl && this.options.cancelControl);
    this.createControl('cancel', this._boundCancelHandler, 'editor_cancel');
    addText('After', this.options.okControl || this.options.cancelControl);
  },
  destroy: function() {
    if (this._oldInnerHTML)
      this.element.innerHTML = this._oldInnerHTML;
    this.leaveEditMode();
    this.unregisterListeners();
  },
  enterEditMode: function(e) {
    if (this._saving || this._editing) return;
    this._editing = true;
    this.triggerCallback('onEnterEditMode');
    if (this.options.externalControl)
      this.options.externalControl.hide();
    this.element.hide();
    this.createForm();
    this.element.parentNode.insertBefore(this._form, this.element);
    if (!this.options.loadTextURL)
      this.postProcessEditField();
    if (e) Event.stop(e);
  },
  enterHover: function(e) {
    if (this.options.hoverClassName)
      this.element.addClassName(this.options.hoverClassName);
    if (this._saving) return;
    this.triggerCallback('onEnterHover');
  },
  getText: function() {
    return this.element.innerHTML;
  },
  handleAJAXFailure: function(transport) {
    this.triggerCallback('onFailure', transport);
    if (this._oldInnerHTML) {
      this.element.innerHTML = this._oldInnerHTML;
      this._oldInnerHTML = null;
    }
  },
  handleFormCancellation: function(e) {
    this.wrapUp();
    if (e) Event.stop(e);
  },
  handleFormSubmission: function(e) {
    var form = this._form;
    var value = $F(this._controls.editor);
    this.prepareSubmission();
    var params = this.options.callback(form, value) || '';
    if (Object.isString(params))
      params = params.toQueryParams();
    params.editorId = this.element.id;
    if (this.options.htmlResponse) {
      var options = Object.extend({ evalScripts: true }, this.options.ajaxOptions);
      Object.extend(options, {
        parameters: params,
        onComplete: this._boundWrapperHandler,
        onFailure: this._boundFailureHandler
      });
      new Ajax.Updater({ success: this.element }, this.url, options);
    } else {
      var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
      Object.extend(options, {
        parameters: params,
        onComplete: this._boundWrapperHandler,
        onFailure: this._boundFailureHandler
      });
      new Ajax.Request(this.url, options);
    }
    if (e) Event.stop(e);
  },
  leaveEditMode: function() {
    this.element.removeClassName(this.options.savingClassName);
    this.removeForm();
    this.leaveHover();
    this.element.style.backgroundColor = this._originalBackground;
    this.element.show();
    if (this.options.externalControl)
      this.options.externalControl.show();
    this._saving = false;
    this._editing = false;
    this._oldInnerHTML = null;
    this.triggerCallback('onLeaveEditMode');
  },
  leaveHover: function(e) {
    if (this.options.hoverClassName)
      this.element.removeClassName(this.options.hoverClassName);
    if (this._saving) return;
    this.triggerCallback('onLeaveHover');
  },
  loadExternalText: function() {
    this._form.addClassName(this.options.loadingClassName);
    this._controls.editor.disabled = true;
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        this._form.removeClassName(this.options.loadingClassName);
        var text = transport.responseText;
        if (this.options.stripLoadedTextTags)
          text = text.stripTags();
        this._controls.editor.value = text;
        this._controls.editor.disabled = false;
        this.postProcessEditField();
      }.bind(this),
      onFailure: this._boundFailureHandler
    });
    new Ajax.Request(this.options.loadTextURL, options);
  },
  postProcessEditField: function() {
    var fpc = this.options.fieldPostCreation;
    if (fpc)
      $(this._controls.editor)['focus' == fpc ? 'focus' : 'activate']();
  },
  prepareOptions: function() {
    this.options = Object.clone(Ajax.InPlaceEditor.DefaultOptions);
    Object.extend(this.options, Ajax.InPlaceEditor.DefaultCallbacks);
    [this._extraDefaultOptions].flatten().compact().each(function(defs) {
      Object.extend(this.options, defs);
    }.bind(this));
  },
  prepareSubmission: function() {
    this._saving = true;
    this.removeForm();
    this.leaveHover();
    this.showSaving();
  },
  registerListeners: function() {
    this._listeners = { };
    var listener;
    $H(Ajax.InPlaceEditor.Listeners).each(function(pair) {
      listener = this[pair.value].bind(this);
      this._listeners[pair.key] = listener;
      if (!this.options.externalControlOnly)
        this.element.observe(pair.key, listener);
      if (this.options.externalControl)
        this.options.externalControl.observe(pair.key, listener);
    }.bind(this));
  },
  removeForm: function() {
    if (!this._form) return;
    this._form.remove();
    this._form = null;
    this._controls = { };
  },
  showSaving: function() {
    this._oldInnerHTML = this.element.innerHTML;
    this.element.innerHTML = this.options.savingText;
    this.element.addClassName(this.options.savingClassName);
    this.element.style.backgroundColor = this._originalBackground;
    this.element.show();
  },
  triggerCallback: function(cbName, arg) {
    if ('function' == typeof this.options[cbName]) {
      this.options[cbName](this, arg);
    }
  },
  unregisterListeners: function() {
    $H(this._listeners).each(function(pair) {
      if (!this.options.externalControlOnly)
        this.element.stopObserving(pair.key, pair.value);
      if (this.options.externalControl)
        this.options.externalControl.stopObserving(pair.key, pair.value);
    }.bind(this));
  },
  wrapUp: function(transport) {
    this.leaveEditMode();
    // Can't use triggerCallback due to backward compatibility: requires
    // binding + direct element
    this._boundComplete(transport, this.element);
  }
});

Object.extend(Ajax.InPlaceEditor.prototype, {
  dispose: Ajax.InPlaceEditor.prototype.destroy
});

Ajax.InPlaceCollectionEditor = Class.create(Ajax.InPlaceEditor, {
  initialize: function($super, element, url, options) {
    this._extraDefaultOptions = Ajax.InPlaceCollectionEditor.DefaultOptions;
    $super(element, url, options);
  },

  createEditField: function() {
    var list = document.createElement('select');
    list.name = this.options.paramName;
    list.size = 1;
    this._controls.editor = list;
    this._collection = this.options.collection || [];
    if (this.options.loadCollectionURL)
      this.loadCollection();
    else
      this.checkForExternalText();
    this._form.appendChild(this._controls.editor);
  },

  loadCollection: function() {
    this._form.addClassName(this.options.loadingClassName);
    this.showLoadingText(this.options.loadingCollectionText);
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        var js = transport.responseText.strip();
        if (!/^\[.*\]$/.test(js)) // TODO: improve sanity check
          throw 'Server returned an invalid collection representation.';
        this._collection = eval(js);
        this.checkForExternalText();
      }.bind(this),
      onFailure: this.onFailure
    });
    new Ajax.Request(this.options.loadCollectionURL, options);
  },

  showLoadingText: function(text) {
    this._controls.editor.disabled = true;
    var tempOption = this._controls.editor.firstChild;
    if (!tempOption) {
      tempOption = document.createElement('option');
      tempOption.value = '';
      this._controls.editor.appendChild(tempOption);
      tempOption.selected = true;
    }
    tempOption.update((text || '').stripScripts().stripTags());
  },

  checkForExternalText: function() {
    this._text = this.getText();
    if (this.options.loadTextURL)
      this.loadExternalText();
    else
      this.buildOptionList();
  },

  loadExternalText: function() {
    this.showLoadingText(this.options.loadingText);
    var options = Object.extend({ method: 'get' }, this.options.ajaxOptions);
    Object.extend(options, {
      parameters: 'editorId=' + encodeURIComponent(this.element.id),
      onComplete: Prototype.emptyFunction,
      onSuccess: function(transport) {
        this._text = transport.responseText.strip();
        this.buildOptionList();
      }.bind(this),
      onFailure: this.onFailure
    });
    new Ajax.Request(this.options.loadTextURL, options);
  },

  buildOptionList: function() {
    this._form.removeClassName(this.options.loadingClassName);
    this._collection = this._collection.map(function(entry) {
      return 2 === entry.length ? entry : [entry, entry].flatten();
    });
    var marker = ('value' in this.options) ? this.options.value : this._text;
    var textFound = this._collection.any(function(entry) {
      return entry[0] == marker;
    }.bind(this));
    this._controls.editor.update('');
    var option;
    this._collection.each(function(entry, index) {
      option = document.createElement('option');
      option.value = entry[0];
      option.selected = textFound ? entry[0] == marker : 0 == index;
      option.appendChild(document.createTextNode(entry[1]));
      this._controls.editor.appendChild(option);
    }.bind(this));
    this._controls.editor.disabled = false;
    Field.scrollFreeActivate(this._controls.editor);
  }
});

//**** DEPRECATION LAYER FOR InPlace[Collection]Editor! ****
//**** This only  exists for a while,  in order to  let ****
//**** users adapt to  the new API.  Read up on the new ****
//**** API and convert your code to it ASAP!            ****

Ajax.InPlaceEditor.prototype.initialize.dealWithDeprecatedOptions = function(options) {
  if (!options) return;
  function fallback(name, expr) {
    if (name in options || expr === undefined) return;
    options[name] = expr;
  };
  fallback('cancelControl', (options.cancelLink ? 'link' : (options.cancelButton ? 'button' :
    options.cancelLink == options.cancelButton == false ? false : undefined)));
  fallback('okControl', (options.okLink ? 'link' : (options.okButton ? 'button' :
    options.okLink == options.okButton == false ? false : undefined)));
  fallback('highlightColor', options.highlightcolor);
  fallback('highlightEndColor', options.highlightendcolor);
};

Object.extend(Ajax.InPlaceEditor, {
  DefaultOptions: {
    ajaxOptions: { },
    autoRows: 3,                                // Use when multi-line w/ rows == 1
    cancelControl: 'link',                      // 'link'|'button'|false
    cancelText: 'cancel',
    clickToEditText: 'Click to edit',
    externalControl: null,                      // id|elt
    externalControlOnly: false,
    fieldPostCreation: 'activate',              // 'activate'|'focus'|false
    formClassName: 'inplaceeditor-form',
    formId: null,                               // id|elt
    highlightColor: '#ffff99',
    highlightEndColor: '#ffffff',
    hoverClassName: '',
    htmlResponse: true,
    loadingClassName: 'inplaceeditor-loading',
    loadingText: 'Loading...',
    okControl: 'button',                        // 'link'|'button'|false
    okText: 'ok',
    paramName: 'value',
    rows: 1,                                    // If 1 and multi-line, uses autoRows
    savingClassName: 'inplaceeditor-saving',
    savingText: 'Saving...',
    size: 0,
    stripLoadedTextTags: false,
    submitOnBlur: false,
    textAfterControls: '',
    textBeforeControls: '',
    textBetweenControls: ''
  },
  DefaultCallbacks: {
    callback: function(form) {
      return Form.serialize(form);
    },
    onComplete: function(transport, element) {
      // For backward compatibility, this one is bound to the IPE, and passes
      // the element directly.  It was too often customized, so we don't break it.
      new Effect.Highlight(element, {
        startcolor: this.options.highlightColor, keepBackgroundImage: true });
    },
    onEnterEditMode: null,
    onEnterHover: function(ipe) {
      ipe.element.style.backgroundColor = ipe.options.highlightColor;
      if (ipe._effect)
        ipe._effect.cancel();
    },
    onFailure: function(transport, ipe) {
      alert('Error communication with the server: ' + transport.responseText.stripTags());
    },
    onFormCustomization: null, // Takes the IPE and its generated form, after editor, before controls.
    onLeaveEditMode: null,
    onLeaveHover: function(ipe) {
      ipe._effect = new Effect.Highlight(ipe.element, {
        startcolor: ipe.options.highlightColor, endcolor: ipe.options.highlightEndColor,
        restorecolor: ipe._originalBackground, keepBackgroundImage: true
      });
    }
  },
  Listeners: {
    click: 'enterEditMode',
    keydown: 'checkForEscapeOrReturn',
    mouseover: 'enterHover',
    mouseout: 'leaveHover'
  }
});

Ajax.InPlaceCollectionEditor.DefaultOptions = {
  loadingCollectionText: 'Loading options...'
};

// Delayed observer, like Form.Element.Observer, 
// but waits for delay after last key input
// Ideal for live-search fields

Form.Element.DelayedObserver = Class.create({
  initialize: function(element, delay, callback) {
    this.delay     = delay || 0.5;
    this.element   = $(element);
    this.callback  = callback;
    this.timer     = null;
    this.lastValue = $F(this.element); 
    Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this));
  },
  delayedListener: function(event) {
    if(this.lastValue == $F(this.element)) return;
    if(this.timer) clearTimeout(this.timer);
    this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000);
    this.lastValue = $F(this.element);
  },
  onTimerEvent: function() {
    this.timer = null;
    this.callback(this.element, $F(this.element));
  }
});

/*global $, $$, $F, Ajax, Effect, Element, Form, jQuery, lyteboxConfirm, myLytebox */

// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults
function get_route_base() {
  var site = (typeof __TABLEAU_SITE !== "undefined" && __TABLEAU_SITE) ? __TABLEAU_SITE : ""; // will be defined in layouts
  var leading = '';
  if (site.length > 0) {
    leading += '/t/' + site;
  }
  return leading;
}

function toggle_setting(which, responder_func) {
  var url = get_route_base() + "/prefs/toggle_setting?which=" + which;
  new Ajax.Request(url, {method:'get', asynchronous:true, onComplete:responder_func});
  return true;
}

function set_and_highlight_flash2(msg, details, isError) {
  if($('flash') == null) {
    return;
  }

  var style = '';
  if (isError) {
    style = 'style="color: red"';
  }

  $('flash').replace(
    '<span  id="flash"><span class="flashText" ' + style + '>' + msg + '</span>' +
    '<span id="show_flash_details">' +
    '<span id="error" style="margin-left:10px">' +
    '<a href="#"  class="flashText" onClick="' +
    'show_popup(' +
    "'" + details.replace(/'/g,"&rsquo;") + "'" +
    '); return false;"' +
    '">' + wgappStrings.Strings.view_details + ' <img src="'+  tableau_assets.VIEW_ERROR + '" border="0"></a>' +
    '</span>' +
    '</span>' +
    ' </span> ');

  if (msg != "" && msg != "&nbsp;") {
    new Effect.Highlight("flash",{duration: 1.0});
  } else {
    Element.hide('show_flash_details');
  }
  if (details.length > 0) {
    Element.show('show_flash_details');
  } else {
    Element.hide('show_flash_details');
  }
}

function set_and_highlight_flash(msg, details) {
  set_and_highlight_flash2(msg, details, false);
}

function clear_flash() { set_and_highlight_flash("&nbsp;",""); }

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.org
// Edit for Firefox by pHaez
//
function getPageSize(){

  var xScroll, yScroll;

  if (window.innerHeight && window.scrollMaxY) {
    xScroll = document.body.scrollWidth;
    yScroll = window.innerHeight + window.scrollMaxY;
  } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
    xScroll = document.body.scrollWidth;
    yScroll = document.body.scrollHeight;
  } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
    xScroll = document.body.offsetWidth;
    yScroll = document.body.offsetHeight;
  }

  var windowWidth, windowHeight;
  if (self.innerHeight) { // all except Explorer
    windowWidth = self.innerWidth;
    windowHeight = self.innerHeight;
  } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
    windowWidth = document.documentElement.clientWidth;
    windowHeight = document.documentElement.clientHeight;
  } else if (document.body) { // other Explorers
    windowWidth = document.body.clientWidth;
    windowHeight = document.body.clientHeight;
  }

  // for small pages with total height less then height of the viewport
  if(yScroll < windowHeight){
    pageHeight = windowHeight;
  } else {
    pageHeight = yScroll;
  }

  // for small pages with total width less then width of the viewport
  if(xScroll < windowWidth){
    pageWidth = windowWidth;
  } else {
    pageWidth = xScroll;
  }

  pageSize = {pageWidth: pageWidth, pageHeight: pageHeight, windowWidth: windowWidth, windowHeight: windowHeight };
  return pageSize;
}

function isIE() { return (window.attachEvent && !window.opera); }

function sessionTimeoutSuggestLogin(request){
  var msg = "session_timeout_msg";
  lyteboxConfirm('tableau_lytebox',wgappStrings.Strings[msg],
    function(request){
      if (request === true) {
        window.location='/auth?destination='+encodeURIComponent(window.location.pathname+'?'+window.location.search);
      }
    }
  );
}

function showErrorSuggestRefresh(message,request){
  lyteboxConfirm('tableau_lytebox',message,
    function(request){
      if (request === true){
        window.location='/auth?destination='+encodeURIComponent(window.location.pathname+'?'+window.location.search);
        }
      }
  );
}


/* idea from http://simonwillison.net/2004/May/26/addLoadEvent/ */
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    };
  }
}

/* idea from http://mbccs.blogspot.com/2007/11/fixing-window-resize-event-in-ie.html */
var resizeTimeoutId;

function window_resize(e) {
     window.clearTimeout(resizeTimeoutId);
     resizeTimeoutId = window.setTimeout('doResizeStack();', 10);
}

function doResizeStack() {
  if (typeof timeout_protected_resize_stack == 'function') {
    timeout_protected_resize_stack();
  }
}

/* idea from http://simonwillison.net/2004/May/26/addLoadEvent/ */
var timeout_protected_resize_stack;

function addResizeEvent(func) {
  var oldresize = timeout_protected_resize_stack;
  if (typeof timeout_protected_resize_stack != 'function') {
     timeout_protected_resize_stack = func;
     window.onresize = window_resize;
  } else {
    timeout_protected_resize_stack = function() {
      if (oldresize) {
        oldresize();
      }
      func();
    };
  }
}




///////////////////////////////////////////////////////////////////////////////

// abstracting the hardcoded "my_form" a bit
function set_table_form_var(name, val) {
  var form = 'my_form';
  if (document.forms[form]) {
    $(document.forms[form][name]).value = val;
  }
}

function get_table_form_var(name) {
  var form = 'my_form';
  if (document.forms[form] && document.forms[form][name]) {
    return $F(document.forms[form][name]);
  }
  else {
    return null;
  }
}
function get_table_form_element(name) {
  var form = 'my_form';
  if (document.forms[form] && document.forms[form][name]) {
    return document.forms[form][name];
  }
  else {
    return null;
  }
}
function get_global_jval(name) {
  return $("jval_"+name).value;
}

// came from views_table, domains/index, licensing/index
function onActionChanged(verb, /* optional */ confirmed_verb, addendum, direct_object) {
  set_table_form_var('verb', verb || "");
  set_table_form_var('confirmed_verb', confirmed_verb || "");
  set_table_form_var('addendum', addendum || "");
  set_table_form_var('direct_object', direct_object || "");
  process_verb(false);
  return false;
}

// came from image_text_selector
function update_page_type(action) {
  url = get_route_base() + "/prefs/" + action + "?location=" + encodeURIComponent(window.location);
  document.location.href = url;
}

// Toggles the current all_sites setting
function toggleAllSites() {
  url = get_route_base() + "/prefs/toggle_all_sites?location=" + encodeURIComponent(window.location);
  document.location.href = url;
}

// came from multiselect_actions dialog

// came from multiselect_actions
function afterCustomSelectBox(name, listItem) {
  var sel = $(name);
  var attrs = listItem.attributes;
  var conf = attrs.confirm;
  conf = conf ? conf.value : null;
  var addendum = attrs.addendum;
  var direct_object = attrs.direct_object;
  var local_func = attrs.local_func;
  var value = attrs.data_value.value;
  if (local_func && local_func.value){
    eval(local_func.value);
  } else {
    addendum = addendum ? addendum.value : null;
    direct_object = direct_object ? direct_object.value : null;
    onActionChanged(value, conf, addendum, direct_object);
  }
}

// came from toolbar_table
function set_controls(state) {
  var controls = $$('.theControlsBar');
  var image = $('theControlsDispImg');
  var toggler = $('manage');
  var boxes = $$('.multi_select_checkbox');
  var box_parents_selected = $$('.checkbox_container_selected');
  var box_parents_unselected = $$('.checkbox_container_unselected');
  if ((0 == controls.length) || !image || !toggler) {
    return;
  }

  if (state) {
    controls.each(function(thing){thing.style.visibility = 'visible';});
    box_parents_selected.each(function(thing){thing.style.visibility = 'visible';});
    box_parents_unselected.each(function(thing){thing.style.visibility = 'visible';});
    image.src = tableau_assets.EXPAND_LEFT;
    boxes.each(function(td){td.style.visibility = 'visible';});
  } else {
    controls.each(function(thing){thing.style.visibility = 'hidden';});
    box_parents_selected.each(function(thing){thing.style.visibility = 'hidden';});
    box_parents_unselected.each(function(thing){thing.style.visibility = 'hidden';});
    image.src = tableau_assets.EXPAND_RIGHT;
    boxes.each(function(td){td.style.visibility = 'hidden';});
  }
}

// **** section: came from toolbar_table

function toggle_controls() {
  var controls = $$('.theControlsBar');
  if (controls.length == 0) {
    return;
  }
  set_controls(controls[0].style.visibility == 'hidden');
  new Ajax.Request(get_route_base() + '/prefs/toggle_usage_mode', {method: 'get', asynchronous:true});
  return false;
}

function ie_version() {
  if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
    return Number(RegExp.$1); // capture x.x portion and store as a number
  }
  return undefined;
}

function show_glass_pane() {
  var gp = $('glassPane');
  if (gp === null) {
    return;
  }
  if (gp.style.display == 'block') {
    return;
  }
  var actions = $('actions_parent');
  var pagecontroltablehead = $('pagecontrolTableHead');
  var additional_height = 0;
  var additional_width = 1; /* all browsers seem to need at least a pixel extra width */

  if (pagecontroltablehead) {
    additional_height = pagecontroltablehead.offsetHeight;
  }

  /* various fixups for various flavors of ie */
  var ieversion = ie_version();
  if (ieversion >= 7 && ieversion < 8) {
    additional_height += 1;
  }
  if (ieversion >= 8 && ieversion <= 9) {
    additional_width += 1;
  }

  gp.style.width = actions.offsetWidth + additional_width + 'px';
  gp.style.height = actions.offsetHeight + additional_height + 'px';
  gp.style.display = 'block';
}

function hide_glass_pane() {
  $('glassPane').style.display = 'none';
}

function findPos(obj) {
  var left = 0, top = 0;
  do {
      left += obj.offsetLeft;
      top += obj.offsetTop;
  } while (obj = obj.offsetParent);
  return {left: left, top: top};
}

function doHighlightCheckbox(box)
{
  var s = "checkbox_container_";
  box.parentNode.className = s + ((true == box.checked) ? "selected" : "unselected");
}


function update_checkboxes() {
  cart_status = get_cart_status();

  if(cart_status['using_cart']) {
    selection_changed(true);
    return false;
  }
  $$(".multi_select_checkbox").each(function(thing) {
    doHighlightCheckbox(thing);
  });
  selection_changed(true);
}

function page_load_checkbox_reconciler() {
  var update_required = false;
  $$(".multi_select_checkbox").each(function(thing) {if (thing.checked === true) {update_required = true;}});
  if (update_required === true) {
    update_checkboxes();
  }
  if (get_table_form_var('multiple_pages_selected') === 'true') {
    Element.setStyle('multipage_warning',{'display':''});
  }
}

function get_cart_status() {
  return {
    using_cart: jQuery('#cartStatus').length > 0,
    cart_count: parseInt(jQuery('#cartCount').html())
  };
}

function update_page_selector_image() {
  if ('true' === get_table_form_var('multiple_pages_selected')) {
    $('page_selector_shortcut').src = tableau_assets.CHECK_ALLPAGES;
  }
  else if ('true' === get_table_form_var('all')) {
    $('page_selector_shortcut').src = tableau_assets.CHECK_SELECT;
  }
  else {
    var count = $$('#my_form .checkbox_container_selected').length;
    if (0 === count) {
      $('page_selector_shortcut').src = tableau_assets.CHECK_NONE;
    } else {
      $('page_selector_shortcut').src = tableau_assets.CHECK_MULTI;
    }
  }
}

function manage_multi_select(source) {
  clear_flash();
  if (get_table_form_var('multiple_pages_selected') === 'true') {
    clear_multi_select_all_no_ajax();
  } else {
    set_table_form_var('all', 'false');
    doHighlightCheckbox(source);
  }
  show_glass_pane();
  show_spinner();
  selection_changed();
  return false;
}

function clear_multi_select_all_no_ajax(){
  $$('#my_form input.multi_select_checkbox').each(function(box){
    box.checked = false;
    doHighlightCheckbox(box);
  });
  set_table_form_var('all', 'false');
  set_table_form_var('multiple_pages_selected', 'false');
  Element.setStyle('multipage_warning',{'display':'none'});
  return false;
}

function select_all_on_page(multiple_page_flag, update_sel) {
  if (update_sel === undefined) { update_sel = true; }
  clear_flash();
  jQuery('#selectAllMsg').hide();
  $$('#my_form input.multi_select_checkbox').each(function(box){
    box.checked = true;
    doHighlightCheckbox(box);
  });
  set_table_form_var('all', 'true');
  set_table_form_var('multiple_pages_selected', multiple_page_flag);
  if (update_sel) {
    show_glass_pane();
    selection_changed();
  }
  return false;
}

function clear_multi_select_all() {
  clear_multi_select_all_no_ajax();
  show_glass_pane();
  selection_changed();
  return false;
}

function show_spinner(hide) {
  var state = (hide) ? 'hidden' : 'visible';
  if ($('spinner')) {
    $('spinner').style.visibility = state;
  }
}

function hide_spinner() {
  show_spinner(true);
}

function toggle_display(id) {
  var elem = $(id);
  if(elem) {
    elem.style.display = elem.style.display === 'none' ? '' : 'none';
  }
}

function submitFormAppropriately() {
  var form = 'my_form';
  show_spinner();
  if ("true" == get_table_form_var('ajax_only') ) {
  new Ajax.Request(document.forms[form].action,
                     { asynchronous:true, evalScripts:true,
                       on401:sessionTimeoutSuggestLogin,
                       onComplete:function(request){hide_spinner();},
                       parameters:Form.serialize($(document.forms[form]))});
    } else {
    $(document.forms[form]).submit();
  }
}

function confirm_dismissed() {
  if (true == myLytebox.confirmed) {
    submitFormAppropriately();
  }
}

function multiselect_force_submit(verb) {
  set_table_form_var('verb', verb);
  submitFormAppropriately();
}

function process_verb(using_pseudo_checkbox)
{

  var verb = get_table_form_var('verb');
  if (0 == verb.length) {
    return;
  }
  var confirmed_verb = get_table_form_var('confirmed_verb');
  var count, descriptor;
  var direct_object = get_table_form_var('direct_object');

  var cart_status = get_cart_status();

  if (!using_pseudo_checkbox) {
    setup_pseudo_checkbox('');
  }

  if ('false' == get_table_form_var('all') ||
      'false' == get_table_form_var('multiple_pages_selected') ) {
    count = $$('#my_form .checkbox_container_selected').length;
    if(cart_status['using_cart']) {
      count = cart_status['cart_count'];
    }
  } else {
    count = get_table_form_var('action_menu_all_count') || 0;
    if(cart_status['using_cart']) {
      count = cart_status['cart_count'];
    }
  }
  var domain = get_table_form_var('multiselect_domain');
  var permissions_pattern =    new RegExp("(contents_)*permissions(.*)");
  var confirm_pattern =        new RegExp("confirm_(.*)");
  var confirm_delete_pattern = new RegExp("confirm_delete(.*)");
  var always_execute_pattern = new RegExp("always_execute_(.*)");
  var confirm_moveTo_pattern = new RegExp("confirm_move_to_project_(.*)");
  if (confirmed_verb) {
    addendum = get_table_form_var('addendum');
  }

  if (count > 0 || always_execute_pattern.exec(verb) ) {
    if ((confirm_delete_pattern.exec(verb) && count > 0) ||
        (confirm_pattern.exec(verb) && count > 5) ||
        (permissions_pattern.exec(verb) && count > 100)) {
      //New code.....
      var action;
      var localizedString;
      var isMovePatternFound;
      domain = get_table_form_var('multiselect_domain');


      //create key to look for in string table
      isMovePatternFound = confirm_moveTo_pattern.exec(verb);
      if(isMovePatternFound) {
        action = "confirm_move_to_project" + "_"+ domain;
      } else {
        action = verb + "_" + domain;
      }

      if(count>1) {
        action = action + "_" + "multiple";
      } else {
        action = action + "_" + "single";
      }

      if(typeof(wgappStrings.Strings[action]) === 'undefined') {
        localizedString = "Localized String KEY not found. Error!" + "(" + action + ")";
      } else {
        if(isMovePatternFound) {
          if(count>1) {
            localizedString = wgappStrings.Strings[action](count, direct_object);
          } else {
            localizedString = wgappStrings.Strings[action](direct_object);
          }
        } else {
          if(count>1) {
            localizedString = wgappStrings.Strings[action](count);
          } else {
            localizedString = wgappStrings.Strings[action];
          }
        }
      }

      if (permissions_pattern.exec(verb)) {
        msg = addendum + "<br>" + localizedString + "<br>";
      } else {
        msg = localizedString + "<br>" + addendum;
      }
      lyteboxConfirm("tableau_lytebox", msg, confirm_dismissed);
      } else {
        submitFormAppropriately();
      }
    }
}





var selection_changed, apply_selection_changed;

(function(){
  var multi_select_rid = 0;
  var multi_select_timer = null;

  selection_changed = function(immediate) {
    update_page_selector_image();
    var multi_select_timeout = 500;
    if (multi_select_timer) {
        clearTimeout(multi_select_timer);
    }
    ++multi_select_rid;
    if (true == immediate) {
      apply_selection_changed();
    } else {
      multi_select_timer = setTimeout(apply_selection_changed, multi_select_timeout);
    }
  };

  apply_selection_changed = function() {
    multi_select_timer = null;
    var params = $$("#my_form .multi_select_checkbox").collect(function(thing) {
      return thing.name + "=" + (thing.checked ? "1" : "0");
    }).join('&');
    params += '&multiple_pages_selected=' + get_table_form_var('multiple_pages_selected') +
              "&original=" +                get_table_form_var('original') +
              "&id=" +                      get_table_form_var('container_id') +
              "&aggregation=" +             get_table_form_var('aggregation') +
              "&multiselect_domain=" +      get_table_form_var('multiselect_domain') +
              "&s=" +                       get_table_form_var('s') +
              "&current_filters=" +         get_table_form_var('current_filters') +
              "&authenticity_token=" +      get_table_form_var('authenticity_token');

    var rid = ++multi_select_rid;
    new Ajax.Request(get_route_base() + "/selectionChanged/" + get_global_jval('controller_name'),
                     {asynchronous: true, evalScripts: true,
                      on401: sessionTimeoutSuggestLogin,
                      onComplete: function(request){
                        if (rid == multi_select_rid) { hide_spinner(); hide_glass_pane(); }
                      },
                      parameters: params} );
  };
}());

// **** end section: came from toolbar_table

var pseudo_checkbox = null;

function reset_pseudo_checkbox() {
  if (pseudo_checkbox) {
    pseudo_checkbox.setAttribute('name','checkbox_');
    pseudo_checkbox.setAttribute("class","");
    pseudo_checkbox.setAttribute("className","");
    pseudo_checkbox.value = '';
  }
}

function setup_pseudo_checkbox(id) {
  reset_pseudo_checkbox();
  var basename = 'checkbox_';
  var specific_name = basename + id;
  pseudo_checkbox = get_table_form_element(basename);
  if (!pseudo_checkbox) {
    return;
  }
  pseudo_checkbox.setAttribute('name',specific_name);
  if (typeof(id) == "number") {
    pseudo_checkbox.setAttribute("class","checkbox_container_selected");
    pseudo_checkbox.setAttribute("className","checkbox_container_selected");
    pseudo_checkbox.value = '1';
  }
  else {
      reset_pseudo_checkbox();
  }

}

function publicDelete(id, object_name) {
  //set the form vars as if a single selection is made
  set_table_form_var('verb','confirm_delete');
  set_table_form_var('confirmed_verb','delete');
  set_table_form_var('direct_object',object_name);
  if (get_table_form_var('multiselect_domain') === 'workbooks') {
    set_table_form_var('addendum', 'Deleting this workbook makes it unavailable ' +
                                   'in webpages and downloaded workbooks that reference it.');
  }
  else {
      set_table_form_var('addendum','Deleting this view makes it unavailable in webpages that refer to it.');
  }
  set_table_form_var('all', false);

  // fake a checkbox somewhere!!
  setup_pseudo_checkbox(id);
  process_verb(true);
  return false;
}


function page_selector_clicked() {
  if ('true' === get_table_form_var('multiple_pages_selected')) {
    clear_multi_select_all();
  }
  else if ('true' === get_table_form_var('all')) {
    if ('true' === get_table_form_var('multiple_pages')) {
      Element.setStyle('multipage_warning',{'display':''});
    }
    select_all_on_page('true');
  } else {
    select_all_on_page('false');
  }
}

function mark_body_for_ie() {
  var body_element = $$('body')[0];
  if (!body_element) {
      return; // something is wrong if we can't find body tag
  }
  var ieversion = 7;
  var iesix = false;
  var ieeight = false;
  var ieseven = false;
  if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
    ieversion = Number(RegExp.$1); // capture x.x portion and store as a number
    if ((ieversion >= 6) && (ieversion < 7)) {
       iesix = true;
       body_element.addClassName('ie6');
    }
    if ((ieversion >= 7) && (ieversion < 8)) {
      // documentMode is only supported in IE 8 so we know if its here its really IE 8
      if (document.documentMode) {
        // IE in Compat mode will mention Trident in the useragent
        if (/trident\/\d/i.test(navigator.userAgent)) {
          ieeight = true;
          body_element.addClassName('ie8');
        } else {
          ieseven = true;
          body_element.addClassName('ie7');
        }
      } else {
        ieseven = true;
        body_element.addClassName('ie7');
      }
    }
    if ((ieversion >= 8) && (ieversion < 9)) {
       ieeight = true;
       body_element.addClassName('ie8');
    }
  }
}

function mark_body_with_css_class(name) {
  var body_element = $$('body')[0];
  if (!body_element) { return; }
  body_element.addClassName(name);
}

function truncateManually() {
/*    var text_overflow_css_classes = ['.textRow','.textRowName','.sideNav','.textRowDisabled','.permissionRow',
                                     '.textRowNameDisabled','.permissionRowName','.RowSection a','.RowSectionBottom',
                                     '.RowSectionBottom a','.RowSectionSub','.pageControlLabel','.pageControlLink',
                                     '.comment','.pagecontrolLink_Page','.faveitem'];
*/

    // We have only one class to check, so just do it directly
    if (jQuery.browser.mozilla) {
        var i, length, q, truncatable;
        // 41433 When there are many overflow elements, we were blocking the main thread too long. We
        // need to break things up, by using setTimeout. This is less efficient, but doesn't block.
        q = jQuery('.trunc');
        length = q.length;
        // Possible optimization: we could test and use q.textOverflow() if length < some value.
        for (i = 0; i < length; i++) {
            truncatable = jQuery(q[i]);     // Put it back into a jQuery object since that's what textOverflow wants
            window.setTimeout(function () { truncatable.textOverflow(); }, 0);
        }
    }
}

function attach_char_limit_behavior(selector, limit, remaining_str) {
  var $label, $textfield;
  $textfield = jQuery(selector);
  limit = limit || 1000;
  remaining_str = remaining_str || (limit + ' characters remaining');

  if($textfield.length > 0) {
    /* create the remaining field */
    $label = jQuery('<label class="remainingChars" for="' + $textfield.attr('id') + '">' + remaining_str + '</label>');
    $textfield.before($label);
    $textfield.bind('keyup keydown blur', function() {
      var count = $textfield.val().length;
      if (count > limit) {
        $textfield.val($textfield.val().substring(0,limit));
        count = limit;
      }
      if ($label.length > 0) {
        $label.html(remaining_str.replace(/[0-9]+/, limit - count));
      }
    });
    $textfield.keyup(); /* trigger the handler on page load */
  }
}

// END- Deny access to raw data and workbook functions

// if you're looking for methods specific to public, check out beaker.js

// TODO: Get rid of superfluous cartAttachEventHandlers calls, remember,
// one is made by prototype in generic_multi_selection render_cart in backend.

var msTimeoutId = 0,
  msQueue = [],
  msTimerSet = false,
  requestCounter = 0,
  extraRowsHidden = false,
  clearURL = '/clear_selection',
  selectionChangedURL = '/selectionChanged',
  checkboxImageURLs = {none:tableau_assets.CHECK_NONE, some:tableau_assets.CHECK_MULTI, all:tableau_assets.CHECK_SELECT},
  dropdownThreshold = 20,
  authToken,
  multiselectDomain,
  domainCount,
  originalAction,
  $cartAllCheckboxes,
  $cartClearAllBtnIcon,
  $cartClearAllBtn,
  $cartClearAll,
  $cartPageSelector,
  $cartCount,
  $cartDomain,
  $cartHighlight,
  $cartMoreItems,
  $cartNoItems,
  cartDomainLabelSingular,
  cartDomainLabelPlural,
  $cartSelectAllMsg;

// Call on initial page load
function cartInitCart() {
  // get params for xhr requests
  authToken = jQuery('[name=authenticity_token]').val();
  multiselectDomain = jQuery('[name=multiselect_domain]').val();
  //cartDomainLabelPlural = multiselectDomain.substr(0, 1).toUpperCase() +
    //multiselectDomain.substr(1);
  cartDomainLabelPlural = wgappStrings.Strings[multiselectDomain + "_multiple"];  
  cartDomainLabelSingular = wgappStrings.Strings[multiselectDomain + "_single"];  
  //cartDomainLabelSingular = cartDomainLabelPlural.replace(/s$/, '');
  originalAction = jQuery('[name=original]').val();
  domainCount = jQuery('[name=action_menu_all_count]').val();
  // save jquery selectors that don't change
  $cartAllCheckboxes = jQuery('.multi_select_checkbox');
  $cartPageSelector = jQuery('#page_selector_shortcut');
  $cartCount = jQuery('#cartCount');
  $cartDomain = jQuery('#cartDomain');
  $cartHighlight = jQuery('#cartHighlight');
  $cartSelectAllMsg = jQuery('#selectAllMsg');
  cartAttachEventHandlers();
}

// Call after each cart update
function cartAttachEventHandlers() {
  // Unbind all events first
  $cartClearAllBtn = jQuery('#cartClearAllBtn').unbind('click');
  $cartDeleteBtns = jQuery('.cartItem > .deleteBtn').unbind('click');
  $cartNoItems = jQuery('#cartNoItems');
  $cartMoreItems = jQuery('#cartMoreItems');
  $cartClearAll = jQuery('#cartClearAll');
  $cartClearAllBtnIcon = jQuery('#cartClearAllBtn > span');
  cartHideExtraRows();
  // Bind the clear all button
  $cartClearAllBtn.bind('click', function() {
    if (requestCounter < 1)
      cartClearAll(this);
  });
  $cartDeleteBtns.bind('click', function(event) {
    if (requestCounter < 1)
      cartHandleDeleteClicked(jQuery(this));
  });
  // Prevent clicks in cartList from closing the cart
  jQuery('#cartList').unbind('click');
  jQuery('#cartList').bind('click', function(event) { event.stopPropagation() });
  cartUpdatePageSelectorAndHighlights();
  cartEnableButtons();
}

function cartListItemToCheckbox($li) {
  return jQuery('input#checkbox' + $li.attr('id').replace(/li/, ''));
}

function cartCheckboxToListItem($cb) {
  return jQuery('li#li' + $cb.attr('id').replace(/checkbox/, ''));
}

function cartUncheckCheckbox($cb) {
  $cb.attr('checked', '').closest('span')
    .attr('class', 'checkbox_container_unselected');
}

function cartCheckCheckbox($cb) {
  $cb.attr('checked', 'clicked').closest('span')
    .attr('class', 'checkbox_container_selected');
}

function cartHandleDeleteClicked($clicked) {
  $clicked.unbind('click');
  $li = $clicked.closest('li');
  $pairedCheckbox = cartListItemToCheckbox($li);
  $li.unbind('click').fadeOut('fast', function() {
    cartDecrementRemainingCount();
    $li.remove();
    cartHideExtraRows();
  });
  if ($pairedCheckbox.length) {
    cartUncheckCheckbox($pairedCheckbox);
  }
  cartUpdateSelection($li.attr('id'));
}

function cartUpdatePageSelect() {
  var total, checked;
  checked = jQuery('input[id^=checkbox]:checked').length
  total = jQuery('input[id^=checkbox]').length
  if (total == checked) {
    $cartPageSelector.attr('src', checkboxImageURLs['all']);
    cartPageSelectorState = 'all';
      if (get_table_form_var('all') === 'false' &&
          get_table_form_var('multiple_pages') === 'true') {
        displaySelectAllLink();
      }
  } else {
    if (checked == 0) {
      $cartPageSelector.attr('src', checkboxImageURLs['none']);
      cartPageSelectorState = 'none';
    } else {
      $cartPageSelector.attr('src', checkboxImageURLs['some']);
      cartPageSelectorState = 'some';
    }
    hideSelectAllLink();
  }
}

function cartDecrementRemainingCount() {
  var notVisibleSize = parseInt(jQuery('#cartSizeNotVisible').html());
  if (!isNaN(notVisibleSize)) {
    jQuery('#cartSizeNotVisible').html( notVisibleSize - 1 );
  }
}

// Checkbox could be an id or a jquery selector string
function cartUpdateSelection(checkbox) {
  cartUpdatePageSelect();
  $cb = jQuery(checkbox);
  // see if it has a matching checkbox, because we could have
  // come from the deleteBtn handler
  if ($cb.length) {
    if ($cb.attr('checked')) {
      cartCheckCheckbox($cb);
    } else {
      cartUncheckCheckbox($cb);
      var $pairedLi = cartCheckboxToListItem($cb);
      if ($pairedLi)
        $pairedLi.unbind('click').remove();
        cartHideExtraRows();
    }
  }
  msQueue.push(checkbox);
  clearTimeout(msTimeoutId);
  msTimerSet = true;
  msTimeoutId = setTimeout('cartSelectionChangedXHR()', 1000);
}

function cartHideExtraRows() {
  if (jQuery('#cartList li[id^=li]:gt(' + (dropdownThreshold - 1) + ')').hide().length > 0) {
    extraRowsHidden = true;
  } else {
    /* The number of hidden items is too few, and the cart was previously truncated
     * so we need to do an update to get some more hidden items */
    if (extraRowsHidden) {
      immediateSelectionChanged();
    }
    extraRowsHidden = false;
  }
  jQuery('#cartList li[id^=li]:lt(' + dropdownThreshold + ')').show();
  if (jQuery('#cartList li[id^=li]').length > dropdownThreshold) {
    $cartMoreItems.show();
  } else {
    $cartMoreItems.hide();
  }
  if (jQuery('#cartList li[id^=li]').length < 1) {
    $cartNoItems.show();
    $cartClearAll.hide();
  } else {
    $cartNoItems.hide();
    $cartClearAll.show();
  }
}

function cartDisableButtons() {
  $cartDeleteBtns.toggleClass('cartButtonDisabled', true)
    .toggleClass('cartButtonEnabled', false);
  $cartClearAllBtnIcon.toggleClass('cartButtonDisabled', true)
    .toggleClass('cartButtonEnabled', false);
  $cartClearAllBtn.toggleClass('cartPointer', false);
}

function cartEnableButtons() {
  if (requestCounter < 1) {
    $cartDeleteBtns.toggleClass('cartButtonDisabled', false)
      .toggleClass('cartButtonEnabled', true);
    $cartClearAllBtnIcon.toggleClass('cartButtonDisabled', false)
      .toggleClass('cartButtonEnabled', true);
    $cartClearAllBtn.toggleClass('cartPointer', true);
  }
}

function immediateSelectionChanged() {
  show_glass_pane();
  cartDisableButtons();
  clearTimeout(msTimeoutId);
  cartSelectionChangedXHR();
}

function cartSelectionChangedXHR() {
  var add = [], remove = [];
  show_glass_pane();
  cartDisableButtons();
  show_spinner();
  // process the items that have recently been clicked/deleted
  jQuery.each(msQueue, function(i, val) {
    if (typeof val === 'string') {
      var id = val.split('_')[1];
      if (remove.indexOf(id) === -1) remove.push(id);
    } else if (jQuery(val).length > 0) {
      var id = jQuery(val).attr('id').split('_')[1];
      var isChecked = jQuery(val).attr('checked');
      if (isChecked) {
        if (add.indexOf(id) === -1) add.push(id);
      } else {
        if (remove.indexOf(id) === -1) remove.push(id);
      }
    }
  });
  msTimerSet = false;
  requestCounter++;
  cartDisableButtons();
  new Ajax.Request(get_route_base() + selectionChangedURL + '/' + multiselectDomain, {
    asynchronous:true,
    method:'post',
    evalScripts:true,
    on401:sessionTimeoutSuggestLogin,
    onComplete: function(request) {
      requestCounter--;
      if (requestCounter == 0 && !msTimerSet) {
        hide_glass_pane();
        hide_spinner();
        msQueue = [];
      }
      cartAttachEventHandlers(); //TODO: Is this one necessary?
    },
    parameters: {
      multiselect_domain: multiselectDomain,
      remove_selection: remove.join('_'),
      add_selection: add.join('_'),
      authenticity_token: authToken,
      original: originalAction
    }
  });
}

function cartUpdatePageSelectorAndHighlights() {
  var count;

  cartUpdatePageSelect();
  $cartHighlight.toggleClass('cartHighlight',
    parseInt($cartCount.html()) > 0);
  count = parseInt($cartCount.html());
  $cartDomain.html(count === 1 ? cartDomainLabelSingular : cartDomainLabelPlural);
  // If a checkbox is checked, make sure it has its highlight too
  jQuery('input[id^=checkbox]:checked').each(function(){
    jQuery(this).parent().addClass('checkbox_container_selected');
  });
}

function cartPageSelectorClicked() {
  switch (cartPageSelectorState) {
    case "none":
    case "some": cartSelectAllOnPage(); break;
    case "all": cartSelectNoneOnPage(); break;
  }
}

function displaySelectAllLink() {
  $cartSelectAllMsg.find('#domainCount').html(domainCount);
  $cartSelectAllMsg.show();
}

function hideSelectAllLink() {
  $cartSelectAllMsg.hide();
}

function cartSelectAllOnPage() {
  cartPageSelectorState = 'all';
  var $checkbox = jQuery('#page_selector_shortcut');
  $checkbox.attr('src', checkboxImageURLs['some']);
  $cartAllCheckboxes.each(function() {
    cartCheckCheckbox(jQuery(this));
    msQueue.push(this);
  });  
  cartSelectionChangedXHR();
}

function cartSelectNoneOnPage() {
  cartPageSelectorState = 'none';

  var $checkbox = jQuery('#page_selector_shortcut');
  $checkbox.attr('src', checkboxImageURLs['none']);
  jQuery('input[id^=checkbox]:checked').each(function() {
    jQuery(this).attr('checked', '')
      .parent().attr('class', 'checkbox_container_unselected');
    msQueue.push(this);
  });
  cartSelectionChangedXHR();
}

function cartClearAll() {
  extraRowsHidden = false;
  jQuery('li[id^=li]').remove();
  new Ajax.Request(get_route_base() + clearURL + '/' + multiselectDomain, {
      asynchronous:true,
      method: 'get',
      evalScripts: true,
      on401: sessionTimeoutSuggestLogin,
      parameters: { multiselect_domain: multiselectDomain }
    });
  cartResetEverything();
}

function cartResetEverything() {
  // called when
  $cartPageSelector.attr('src', checkboxImageURLs['none']);
  $cartCount.html(0);
  $cartDomain.html(cartDomainLabelPlural);
  $cartHighlight.toggleClass('cartHighlight', false);
  extraRowsHidden = false;
  cartHideExtraRows();
  cartUncheckCheckbox($cartAllCheckboxes);
}

// Copyright (C) 2005-2008 Ilya S. Lyubinskiy. All rights reserved.
// Technical support: http://www.php-development.ru/
//
// YOU MAY NOT
// (1) Remove or modify this copyright notice.
// (2) Re-distribute this code or any part of it.
//     Instead, you may link to the homepage of this code:
//     http://www.php-development.ru/javascripts/dropdown.php
//
// YOU MAY
// (1) Use this code on your website.
// (2) Use this code as part of another product.
//
// NO WARRANTY
// This code is provided "as is" without warranty of any kind.
// You expressly acknowledge and agree that use of this code is at your own risk.


// ***** Popup Control *********************************************************

// ***** at_show_aux *****

function at_show_aux(parent, child)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child );
  c.style.display = 'block';
  var pWidth = p.offsetWidth;
  
  if (p.onShow) p.onShow();
  add_class(p, 'popup-active');
  
  c.style.minWidth   = p.offsetWidth + 'px';
  
  var top  = (c["at_position"] == "y") ? p.offsetHeight : 0;
  var left = (c["at_position"] == "x") ? p.offsetWidth  : 0;

  for (; p; p = p.offsetParent)
  {
    top  += p.offsetTop;
    left += p.offsetLeft;
  }

  top -= 4;
  left -= 4;
  
  c.style.position   = "absolute";
  c.style.top        = top +'px';
  if(c['force_align'] === 'left' || pWidth > c.offsetWidth) { 
    c.style.left       = left+'px';
  } else {
    c.style.left       = (left-(c.offsetWidth-pWidth))+'px';
  }
}

// ***** at_show *****

function at_show()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  at_show_aux(p.id, c.id);
  clearTimeout(c["at_timeout"]);
}

// ***** at_hide *****

function at_hide()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  if (c.style.display == 'none')
    remove_class(p, 'popup-active');

  c["at_timeout"] = setTimeout("remove_class('" +p.id+"', 'popup-active');$('" + c.id + "').style.display='none';", 500);
}

function at_hide_now() {
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  clearTimeout(c["at_timeout"]);
  remove_class(p, 'popup-active');
  c.style.display = 'none';
}

function at_cancel_hide()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);
  clearTimeout(c['at_timeout']);
  add_class(p, 'popup-active');
}

// ***** at_click *****

function at_click()
{
  var p = document.getElementById(this["at_parent"]);
  var c = document.getElementById(this["at_child" ]);

  if (c.style.display == 'none')
    at_show_aux(p.id, c.id);
  else
    c.style.display = 'none';
    
  return false;
}

function add_class(node, classStr) {
	var cls = node.className;
	if((" "+cls+" ").indexOf(" "+classStr+" ") < 0){
		node.className = cls + (cls ? ' ' : '') + classStr;
	}    
}

function remove_class(node, classStr) {
    node = $(node);
	var t = node.className.replace(classStr, "");
	if(node.className != t){ node.className = t; }    
}

// ***** at_attach *****

// PARAMETERS:
// parent   - id of the parent html element
// child    - id of the child  html element that should be droped down
// showtype - "click" = drop down child html element on mouse click
//            "hover" = drop down child html element on mouse over
// position - "x" = display the child html element to the right
//            "y" = display the child html element below
// cursor   - omit to use default cursor or specify CSS cursor name

function at_attach(parent, child, showtype, position, cursor, force_align /*optional "left"*/)
{
  var p = document.getElementById(parent);
  var c = document.getElementById(child);

  p["at_parent"]     = p.id;
  c["at_parent"]     = p.id;
  p["at_child"]      = c.id;
  c["at_child"]      = c.id;
  p["at_position"]   = position;
  c["at_position"]   = position;

  c["force_align"]         = force_align || "left";

  c.style.position   = "absolute";
  c.style.display    = "none";

  if (cursor != undefined) p.style.cursor = cursor;

  switch (showtype)
  {
    case "click":
      p.onclick     = at_click;
      p.onmouseout  = at_hide;
      p.onmouseover = at_cancel_hide;
      c.onmouseover = at_show;
      c.onmouseout  = at_hide;
      c.onclick     = at_hide_now;
      break;
    case "hover":
      p.onmouseover = at_show;
      p.onmouseout  = at_hide;
      c.onmouseover = at_show;
      c.onmouseout  = at_hide;
      c.onclick     = at_hide_now;
      break;
  }
}

// Copyright (c) 2006 -2007 Gabriel Lanzani (http://www.glanzani.com.ar)
// 
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// SEE CHANGELOG FOR A COMPLETE CHANGES OVERVIEW
// VERSION 0.2b
//
// The version below is heavily modified by Tableau Software

Autocompleter.SelectBox = Class.create();
Autocompleter.SelectBox.prototype = Object.extend(new Autocompleter.Base(), {
  initialize: function(select, options) {
    var comboid = $(select).id + "_combo"
    if($(comboid) == null) {
    	this.element = "<input type=\"text\" id=\"" + $(select).id + "_combo\" />"
    	new Insertion.Before(select, this.element)
    } 
	var inputClasses = Element.classNames(select);
	inputClasses.each(function(inputClass)
		{
			Element.addClassName($(select).id + "_combo", inputClass);
		});
		
    var clsName = options.classname || "autocomplete"
    
    var id = $(select).id + "_options"
    if($(id) == null) {
    	this.update = "<div id=\"" + id + "\" class=\""+clsName+"\" style=\"display:none\"></div>"	
    	new Insertion.Before(select, this.update);
    }
		
    // Custom onShow to allow us to be in control of the width
    options.onShow = function(element, update) { 
        if(!update.style.position || update.style.position=='absolute') {
          update.style.position = 'absolute';
          Position.clone(element, update, {
            setHeight: false, setWidth: false,
            offsetTop: element.offsetHeight
          });
        }
        Effect.Appear(update,{duration:0.15});
      };
    
    this.baseInitialize($(select).id + "_combo", $(select).id + "_options", options);
    this.select = select;
	this.enabled = true;
	
	// Override the show method
	this.baseShow = this.show;
	this.show = function() {
        if(this.enabled)
            this.baseShow();
    };
		
	$(this.element.id).setAttribute('readonly','readonly');
	this.element.readOnly = true;
	if(this.options.debug)alert('input ' + this.element.id + ' and div '+ this.update.id + ' created, Autocompleter.Base() initialized');
	if(!this.options.debug)Element.hide(select);
	
    this.rebuildMenu();

	Event.observe(this.element, "click", this.activate.bindAsEventListener(this));
	
	this.element.value = $(select).options[$(select).selectedIndex].innerHTML;
	
	var self = this;
	this.options.afterUpdateElement = function(text, li) {
		var optionList = $(select).getElementsByTagName('option');
		var nodes = $A(optionList);
		
		var opt = nodes.find( function(node){
			return (node.value == li.id);
		});
		
		if(opt == undefined)
		  return;
		  
		// Don't do anything for disabled commands
		if(opt.getAttribute("disabled")) {
		    $(select).selectedIndex=0; 
		    self.index = 0;
    		return;
        }
		  
		$(select).selectedIndex=opt.index;
		if(self.options.redirect) document.location.href = opt.value;
		if(self.options.autoSubmit != '') 
			$(self.options.autoSubmit).submit;
        if(this.afterFunction)
            this.afterFunction();
	}
  },
  
  _addElements: function(elt,indent) {
   if(elt.tagName && elt.tagName.toLowerCase() == "option") {
      var cls = "";
      if(elt.getAttribute("disabled")) {
        cls = "class='disabled'";
      }
      this.selectOptions.push("<li id=\"" + elt.value + "\" " + cls + ">" + indent + elt.innerHTML.strip() + '</li>');
      if (elt.getAttribute("selected")) this.element.value = elt.innerHTML.strip();
   } else if(elt.tagName && elt.tagName.toLowerCase() == "optgroup") {
      var kids = elt.childNodes;
      this.selectOptions.push("<li class='action_group'>"+indent+elt.getAttribute("label")+"</li>");
      for(j=0 ; j<kids.length ; j++) {
        var kid = kids[j];
        this._addElements(kid,this.options.indent ? indent+"&nbsp;&nbsp;&nbsp;&nbsp;" : "");
      }
   }
  },
  
  selectEntry: function() {
    this.active = false;
    elt = this.getCurrentEntry();    
    if(elt.className.indexOf("disabled") >= 0 || elt.className.indexOf('action_group')>=0)
        this.index=0;
    this.updateElement(this.getCurrentEntry());  
  },
	
  rebuildMenu: function() {
	this.selectOptions = [];

	var nodes = $(this.select).childNodes;
	var i = 0;
	while(!nodes[i].tagName && i<nodes.length) { i++; }
	i++; //Skip the first real option (which is the menu name)
	for(i; i<nodes.length ; i++) {
       var child = nodes[i];
       this._addElements(child,this.options.indent ? "&nbsp;&nbsp;&nbsp;&nbsp;" : "");
	}  
  },
  
  disable: function() {
    $(this.element).value = "Loading...";
    this.enabled = false;
  },
  
  enable: function() {
    $(this.element).value = "Actions...";
    this.enabled = true;
  },
  
  getUpdatedChoices: function() {
  		this.updateChoices(this.setValues());
  },

  setValues : function(){
		return ("<ul>" + this.selectOptions.join('') + "</ul>");
  },
  
  setOptions: function(options) {
    this.options = Object.extend({
		//MORE OPTIONS TO EXTEND THIS CLASS
		redirect	: false, // redirects using 
		debug		: false, //show alerts with information
		autoSubmit	: '' //form Id to submit after change 
	}, options || {});
  }  
})
// Macromedia
// Copyright© 1998-2004 eHelp® Corporation.All rights reserved.
// RoboHelp_CSH.js
// The Helper function for WebHelp Context Sensitive Help

//     Syntax:
//     function RH_ShowHelp(hParent, a_pszHelpFile, uCommand, dwData)
//
//     hParent
//          Reserved - Use 0
//   
//     pszHelpFile
//          WebHelp: 
//               Path to help system start page ("http://www.myurl.com/help/help.htm" or "/help/help.htm")
//               For custom windows (defined in Help project), add ">" followed by the window name ("/help/help.htm>mywin")
//
//          WebHelp Enterprise: 
//               Path to RoboEngine server ("http://RoboEngine/roboapi.asp")
//               If automatic merging is turned off in RoboEngine Configuration Manager, specify the project name in the URL ("http://RoboEngine/roboapi.asp?project=myproject")
//               For custom windows (defined in Help project), add ">" followed by the window name ("http://RoboEngine/roboapi.asp>mywindow")
//
//     uCommand
//          Command to display help. One of the following:
//                    HH_HELP_CONTEXT     // Displays the topic associated with the Map ID sent in dwData
//											if 0, then default topic is displayed.				
//               The following display the default topic and the Search, Index, or TOC pane. 
//               Note: The pane displayed in WebHelp Enterprise will always be the window's default pane.
//                    HH_DISPLAY_SEARCH 
//                    HH_DISPLAY_INDEX
//                    HH_DISPLAY_TOC
//
//     dwData
//          Map ID associated with the topic to open (if using HH_HELP_CONTEXT), otherwise 0
//
//     Examples:
//     <p>Click for <A HREF='javascript:RH_ShowHelp(0, "help/help.htm", 0, 10)'>Help</A> (map number 10)</p>
//     <p>Click for <A HREF='javascript:RH_ShowHelp(0, "help/help.htm>mywindow", 0, 100)'>Help in custom window (map number 100)</A></p>


var gbNav6=false;
var gbNav61=false;
var gbNav4=false;
var gbIE4=false;
var gbIE=false;
var gbIE5=false;
var gbIE55=false;

var gAgent=navigator.userAgent.toLowerCase();
var gbMac=(gAgent.indexOf("mac")!=-1);
var gbSunOS=(gAgent.indexOf("sunos")!=-1);
var gbOpera=(gAgent.indexOf("opera")!=-1);

var HH_DISPLAY_TOPIC = 0;
var HH_DISPLAY_TOC = 1;
var HH_DISPLAY_INDEX = 2;
var HH_DISPLAY_SEARCH = 3;
var HH_HELP_CONTEXT = 15;

var gVersion=navigator.appVersion.toLowerCase();

var gnVerMajor=parseInt(gVersion);
var gnVerMinor=parseFloat(gVersion);

gbIE=(navigator.appName.indexOf("Microsoft")!=-1);
if(gnVerMajor>=4)
{
	if(navigator.appName=="Netscape")
	{
		gbNav4=true;
		if(gnVerMajor>=5)
			gbNav6=true;
	}
	gbIE4=(navigator.appName.indexOf("Microsoft")!=-1);
}
if(gbNav6)
{
	document.gnPageWidth=innerWidth;
	document.gnPageHeight=innerHeight;
	var nPos=gAgent.indexOf("netscape");
	if(nPos!=-1)
	{
		var nVersion=parseFloat(gAgent.substring(nPos+10));
		if(nVersion>=6.1)
			gbNav61=true;
	}
}else if(gbIE4)
{
	var nPos=gAgent.indexOf("msie");
	if(nPos!=-1)
	{
		var nVersion=parseFloat(gAgent.substring(nPos+5));
		if(nVersion>=5)
			gbIE5=true;
		if(nVersion>=5.5)
			gbIE55=true;
	}
}

function RH_ShowHelp(hParent, a_pszHelpFile, uCommand, dwData)
{
	// this function only support WebHelp
	var strHelpPath = a_pszHelpFile;
	var strWnd = "";
	var nPos = a_pszHelpFile.indexOf(">");
	if (nPos != -1)
	{
		strHelpPath = a_pszHelpFile.substring(0, nPos);
		strWnd = a_pszHelpFile.substring(nPos+1); 
	}
	if (isServerBased(strHelpPath))
		RH_ShowWebHelp_Server(hParent, strHelpPath, strWnd, uCommand, dwData);
	else
		RH_ShowWebHelp(hParent, strHelpPath, strWnd, uCommand, dwData);
}

function RH_ShowWebHelp_Server(hParent, strHelpPath, strWnd, uCommand, dwData)
{
	// hParent never used.
	ShowWebHelp_Server(strHelpPath, strWnd, uCommand, dwData);
}

function RH_ShowWebHelp(hParent, strHelpPath, strWnd, uCommand, dwData)
{
	// hParent never used.
	ShowWebHelp(strHelpPath, strWnd, uCommand, dwData);
}


function ShowWebHelp_Server(strHelpPath, strWnd, uCommand, nMapId)
{
	var a_pszHelpFile = "";
	if (uCommand == HH_HELP_CONTEXT)
	{
		if (strHelpPath.indexOf("?") == -1)
			a_pszHelpFile = strHelpPath + "?ctxid=" + nMapId;
		else
			a_pszHelpFile = strHelpPath + "&ctxid=" + nMapId;
	}
	else
	{
		if (strHelpPath.indexOf("?") == -1)
			a_pszHelpFile = strHelpPath + "?ctxid=0";
		else
			a_pszHelpFile = strHelpPath + "&ctxid=0";
	}

	if (strWnd)
		a_pszHelpFile += ">" + strWnd;

	if (gbIE4)
	{
		a_pszHelpFile += "&cmd=newwnd&rtype=iefrm";
		loadData(a_pszHelpFile);
	}
	else if (gbNav4)
	{
		a_pszHelpFile += "&cmd=newwnd&rtype=nswnd";
		var sParam = "left="+screen.width+",top="+screen.height+",width=100,height=100";
		window.open(a_pszHelpFile, "__webCshStub", sParam);
	}
	else
	{
		var sParam = "left="+screen.width+",top="+screen.height+",width=100,height=100";
		if (gbIE5)
			window.open("about:blank", "__webCshStub", sParam);
		window.open(a_pszHelpFile, "__webCshStub");
	}
}


function ShowWebHelp(strHelpPath, strWnd, uCommand, nMapId)
{
	var a_pszHelpFile = "";
	if (uCommand == HH_DISPLAY_TOPIC)
	{
		a_pszHelpFile = strHelpPath + "#<id=0";
	}
	if (uCommand == HH_HELP_CONTEXT)
	{
		a_pszHelpFile = strHelpPath + "#<id=" + nMapId;
	}
	else if (uCommand == HH_DISPLAY_INDEX)
	{
		a_pszHelpFile = strHelpPath + "#<cmd=idx";
	}
	else if (uCommand == HH_DISPLAY_SEARCH)
	{
		a_pszHelpFile = strHelpPath + "#<cmd=fts";
	}
	else if (uCommand == HH_DISPLAY_TOC)
	{
		a_pszHelpFile = strHelpPath + "#<cmd=toc";
	}
	if (strWnd)
		a_pszHelpFile += ">>wnd=" + strWnd;

	if (a_pszHelpFile)
	{
		if (gbIE4)
			loadData(a_pszHelpFile);
		else if (gbNav4)
		{
			var sParam = "left="+screen.width+",top="+screen.height+",width=100,height=100";
			window.open(a_pszHelpFile, "__webCshStub", sParam);
		}
		else
		{
			var sParam = "left="+screen.width+",top="+screen.height+",width=100,height=100";
			if (gbIE5)
				window.open("about:blank", "__webCshStub", sParam);
			window.open(a_pszHelpFile, "__webCshStub");
		}
	}
}

function isServerBased(a_pszHelpFile)
{
	if (a_pszHelpFile.length > 0)
	{
		var nPos = a_pszHelpFile.lastIndexOf('.');
		if (nPos != -1 && a_pszHelpFile.length >= nPos + 4)
		{
			var sExt = a_pszHelpFile.substring(nPos, nPos + 4);
			if (sExt.toLowerCase() == ".htm")
			{
				return false;
			}
		}
	}
	return true;
}

function getElement(sID)
{
	if(document.getElementById)
		return document.getElementById(sID);
	else if(document.all)
		return document.all(sID);
	return null;
}

function loadData(sFileName)
{
	if(!getElement("dataDiv"))
	{
		if(!insertDataDiv())
		{
			gsFileName=sFileName;
			return;
		}
	}
	var sHTML="";
	if(gbMac)
		sHTML+="<iframe name=\"__WebHelpCshStub\" src=\""+sFileName+"\"></iframe>";
	else
		sHTML+="<iframe name=\"__WebHelpCshStub\" style=\"visibility:hidden;width:0;height:0\" src=\""+sFileName+"\"></iframe>";
	
	var oDivCon=getElement("dataDiv");
	if(oDivCon)
	{
		if(gbNav6)
		{
			if(oDivCon.getElementsByTagName&&oDivCon.getElementsByTagName("iFrame").length>0)
			{
				oDivCon.getElementsByTagName("iFrame")[0].src=sFileName;
			}
			else
				oDivCon.innerHTML=sHTML;
		}
		else
			oDivCon.innerHTML=sHTML;
	}
}

function insertDataDiv()
{
	var sHTML="";
	if(gbMac)
		sHTML+="<div id=dataDiv style=\"display:none;\"></div>";
	else
		sHTML+="<div id=dataDiv style=\"visibility:hidden\"></div>";

	document.body.insertAdjacentHTML("beforeEnd",sHTML);
	return true;
}

/**
 * OptionDisabledSupport
 * by Kaleb Walton (http://toserveman.kalebwalton.com)
 * Inspired by techniques from Alistair Lattimore's article which can be found at
 * http://www.lattimore.id.au/2005/07/01/select-option-disabled-and-the-javascript-solution/
 *
 * Creative Commons License URL: http://creativecommons.org/licenses/by/2.5/
 */
var OptionDisabledSupport = new function() {
  this.previouslySelectedIndices = new Array();
  this.init = function() {
    selects = document.getElementsByTagName("select");
    for (var i=0;i<selects.length;i++) {
      var select = selects[i];
      var oldOnClick = select.onclick;
      var oldOnChange = select.onchange;
      select.onclick = null;
      select.onchange = null;
      // Must execute the old onclick/onchange handlers after this one.
      // For some reason IE reverses the order you specify.
      if (oldOnClick)
        select.attachEvent ('onclick',function(e) {oldOnClick.apply(e.srcElement, arguments)})
      if (oldOnChange)
        select.attachEvent ('onchange',function(e) {oldOnChange.apply(e.srcElement, arguments)})
      select.attachEvent ('onclick',function(event) {OptionDisabledSupport.previouslySelectedIndices[event.srcElement] = event.srcElement.selectedIndex;})
      select.attachEvent ('onchange',function(event) {OptionDisabledSupport.handleSelect(event.srcElement)})
      for (var z=0;z<select.options.length;z++) {
        option = select.options[z];
        option.style.color = option.disabled ? "graytext" : option.style.color;
      }
      OptionDisabledSupport.handleSelect(select);
    }
  }
  this.handleSelect = function(select) {
    if (select.multiple) {
      for (var i=0;i<select.options.length;i++) {
        option = select.options[i];
        option.selected = option.disabled && option.selected ? false : option.selected;
      }
    } else {
      if (select.selectedIndex > -1) {
        if (select.options[select.selectedIndex].disabled) {
          select.selectedIndex = OptionDisabledSupport.previouslySelectedIndices[select];
          if (select.options[select.selectedIndex].disabled) {
            select.selectedIndex = -1;
          }
        }
      }
    }
  }
}

//http://www.fiendish.demon.co.uk/html/javascript/layerfloat.html
//http://www.fiendish.demon.co.uk/downloads.html#javascript
/////////////////////////////////////////////////////////////////////

var FloatLayers       = new Array();
var FloatLayersByName = new Array();

function addFloatLayer(n,offX,offY,spd){new FloatLayer(n,offX,offY,spd);}
function getFloatLayer(n){return FloatLayersByName[n];}
function alignFloatLayers(){for(var i=0;i<FloatLayers.length;i++)FloatLayers[i].align();}

function getXCoord(el) {
	x=0;
	while(el){
		x+=el.offsetLeft;
		el=el.offsetParent;
	}
	return x;
}
function getYCoord(el) {
	y=0;
	while(el){
		y+=el.offsetTop;
		el=el.offsetParent;
	}
	return y;
}

/////////////////////////////////////////////////////////////////////

FloatLayer.prototype.setFloatToTop=setTopFloater;
FloatLayer.prototype.setFloatToBottom=setBottomFloater;
FloatLayer.prototype.setFloatToLeft=setLeftFloater;
FloatLayer.prototype.setFloatToRight=setRightFloater;
FloatLayer.prototype.initialize=defineFloater;
FloatLayer.prototype.adjust=adjustFloater;
FloatLayer.prototype.align=alignFloater;

function FloatLayer(n, offX, offY, spd) {
	this.index=FloatLayers.length;

	FloatLayers.push(this);
	FloatLayersByName[n] = this;

	this.name    = n;
	this.floatX  = 0;
	this.floatY  = 0;
	this.tm      = null;
	this.steps   = spd;
	this.alignHorizontal=(offX>=0) ? leftFloater : rightFloater;
	this.alignVertical  =(offY>=0) ? topFloater : bottomFloater;
	this.ifloatX = Math.abs(offX);
	this.ifloatY = Math.abs(offY);
}

/////////////////////////////////////////////////////////////////////

function defineFloater(){
	this.layer  = document.getElementById(this.name);
	this.width  = this.layer.offsetWidth;
	this.height = this.layer.offsetHeight;
	this.prevX  = this.layer.offsetLeft;
	this.prevY  = this.layer.offsetTop;
}

function adjustFloater() {
	this.tm=null;
	if(this.layer.style.position!='absolute')return;

	var dx = Math.abs(this.floatX-this.prevX);
	var dy = Math.abs(this.floatY-this.prevY);

	if (dx < this.steps/2)
		cx = (dx>=1) ? 1 : 0;
	else
		cx = Math.round(dx/this.steps);

	if (dy < this.steps/2)
		cy = (dy>=1) ? 1 : 0;
	else
		cy = Math.round(dy/this.steps);

	if (this.floatX > this.prevX)
		this.prevX += cx;
	else if (this.floatX < this.prevX)
		this.prevX -= cx;

	if (this.floatY > this.prevY)
		this.prevY += cy;
	else if (this.floatY < this.prevY)
		this.prevY -= cy;

	this.layer.style.left = this.prevX;
	this.layer.style.top  = this.prevY;

	if (cx!=0||cy!=0){
		if(this.tm==null)this.tm=setTimeout('FloatLayers['+this.index+'].adjust()',50);
	}else
		alignFloatLayers();
}

function setLeftFloater(){this.alignHorizontal=leftFloater;}
function setRightFloater(){this.alignHorizontal=rightFloater;}
function setTopFloater(){this.alignVertical=topFloater;}
function setBottomFloater(){this.alignVertical=bottomFloater;}

function leftFloater(){this.floatX = document.body.scrollLeft + this.ifloatX;}
function topFloater(){this.floatY = document.body.scrollTop + this.ifloatY;}
function rightFloater(){this.floatX = document.body.scrollLeft + document.body.clientWidth - this.ifloatX - this.width;}
function bottomFloater(){this.floatY = document.body.scrollTop + document.body.clientHeight - this.ifloatY - this.height;}

function alignFloater(){
	if(this.layer==null)this.initialize();
	this.alignHorizontal();
	this.alignVertical();
	if(this.prevX!=this.floatX || this.prevY!=this.floatY){
		if(this.tm==null)this.tm=setTimeout('FloatLayers['+this.index+'].adjust()',50);
	}
}
//Copyright Patrick Roebuck roebuck@v-page.com www.v-page.com
var newWindow;
var newWindowSimple;
var helpWindow ;
var helpWindowSimple;
var strProjectFramesPagePlus = "Workgroup.htm#";//defines the name of the start or frameset page for the WebHelp project
var strProjectPath;
var strHelpPage;
var isNav4 = (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 4);

function callHelp(strProjectPath,strHelpPage){
	var strTriHelpWindowOptions = ",toolbar=yes";//defines whether to display the toolbar (yes) or hides it (no)
	strTriHelpWindowOptions += ",top=40";//defines the distance from the top of the screen that the browser window is opened
	strTriHelpWindowOptions += ",left=25";//defines the distance from the left of the screen that the browser window is opened
	strTriHelpWindowOptions += ",width=850";//defines the width of the browser window
	strTriHelpWindowOptions += ",height=520";//defines the height of the browser window
	strTriHelpWindowOptions += ",scrollbars=1";//defines whether to allow scrollbars
	strTriHelpWindowOptions += ",menubar=1";//defines whether to show the menu bar
	strTriHelpWindowOptions += ",resizable=yes";//defines whether the window is resizable
	strTriHelpWindowOptions += ",location=yes";//defines whether the location entry bar shows so you can enter a URL
	if (isNav4){helpWindow = window.open("", newWindow, strTriHelpWindowOptions);
	if (helpWindowSimple && !helpWindowSimple.closed){helpWindowSimple.close();}
	helpWindow.close();
	helpWindow = window.open("", newWindow, strTriHelpWindowOptions);
	helpWindow.location.href = strProjectPath + /*strProjectFramesPagePlus +*/ strHelpPage;
	helpWindow.focus();
	}
	else if (helpWindow == null || helpWindow.closed){
	if (helpWindowSimple && !helpWindowSimple.closed){helpWindowSimple.close();}
	helpWindow = window.open("", newWindow, strTriHelpWindowOptions);
	helpWindow.location.href = strProjectPath + /*strProjectFramesPagePlus +*/ strHelpPage;
	}
	else if (helpWindow && !helpWindow.closed){
	if (helpWindowSimple && !helpWindowSimple.closed){helpWindowSimple.close();}
	helpWindow.location.href = strProjectPath + strHelpPage;
	//window.helpWindow.frames[1].location.href = strProjectPath + strHelpPage;
	helpWindow.focus();
	}
}

function callHelpSimple(strProjectPath,strHelpPage){
	var strSingleHelpWindowOptions = ",toolbar=no";//defines whether to display the toolbar (yes) or hides it (no)
	strSingleHelpWindowOptions += ",top=40";//defines the distance from the top of the screen that the browser window is opened
	strSingleHelpWindowOptions += ",left=225";//defines the distance from the left of the screen that the browser window is opened
	strSingleHelpWindowOptions += ",width=550";//defines the width of the browser window
	strSingleHelpWindowOptions += ",height=500";//defines the height of the browser window
	if (isNav4){helpWindowSimple = window.open("", newWindowSimple, strSingleHelpWindowOptions);
	if (helpWindow && !helpWindow.closed){helpWindow.close();}
	helpWindowSimple.close();
	helpWindowSimple = window.open("", newWindowSimple, strSingleHelpWindowOptions);
	helpWindowSimple.location.href = strProjectPath + strHelpPage;
	helpWindowSimple.focus();
	}
	else if (helpWindowSimple == null || helpWindowSimple.closed){
	if (helpWindow && !helpWindow.closed){helpWindow.close();}
	helpWindowSimple = window.open("", newWindowSimple, strSingleHelpWindowOptions);
	helpWindowSimple.location.href = strProjectPath  + strHelpPage;
	}
	else if (helpWindowSimple && !helpWindowSimple.closed){
	if (helpWindow && !helpWindow.closed){helpWindow.close();}
	helpWindowSimple.parent.location.href = strProjectPath + strHelpPage;
	helpWindowSimple.focus();
	}
}


// Assumes inclusion of "jsrsa" scripts

function doLogin(n,e,form) {
  var rsa = new RSAKey();
  rsa.setPublic(n,e);
  encryptField(rsa, form, form.crypted, form.password, "txt1");
  form.submit();
  return false;
}

function doPreauthenticatedChange(n, e, form) {
    var rsa = new RSAKey();
    rsa.setPublic(n,e);
    encryptField(rsa, form, form.crypted, form.password, "txt1");
    encryptField(rsa, form, form.crypted_confirmation, form.password_confirmation, "txt2");
    form.submit();
    return false;
}

function doLoginAndChange(n, e, form) {
    var rsa = new RSAKey();
    rsa.setPublic(n,e);
    encryptField(rsa, form, form.crypted, form.password, "txt1");
    encryptField(rsa, form, form.crypted_new_password, form.new_password, "txt2");
    encryptField(rsa, form, form.crypted_new_password_confirm, form.new_password_confirm, "txt3");
    form.submit();
    return false;
}

function encryptPasswordOnly(n, e, form) {
        var rsa = new RSAKey();
        rsa.setPublic(n,e);
        encryptField(rsa, form, form.crypted, form.password, "txt1");
        encryptField(rsa, form, form.crypted_new_password, form.new_password, "txt2");
        encryptField(rsa, form, form.crypted_new_password_confirm, form.new_password_confirm, "txt3");
}

function doChangePassword(n, e, form) {
    encryptPasswordOnly(n, e, form);
    form.submit();
    return false;
}

function doDeleteAccount(n, e, form) {
    var rsa = new RSAKey();
    rsa.setPublic(n,e);
    encryptField(rsa, form, form.crypted, form.password, "txt1");
    form.submit();
    return false;
}

function encryptField(rsaKey, form, crypted_input, text_input, digits) {
        var res = text_input ? rsaKey.encrypt(text_input.value) : null;
        if (res) {
                crypted_input.value = res;
                text_input.value = digits + digits + digits + digits; //digits should be unique 4 chars
        }
}
 //***********************************************************************************************************************************/
//      LyteBox v3.20
//
//       Author: Markus F. Hay
//  Website: http://www.dolem.com/lytebox
//         Date: July 12, 2007
//      License: Creative Commons Attribution 3.0 License (http://creativecommons.org/licenses/by/3.0/)
// Browsers: Tested successfully on WinXP with the following browsers (using no DOCTYPE, Strict DOCTYPE, and Transitional DOCTYPE):
//                              * Firefox: 2.0.0.4, 1.5.0.12
//                              * Internet Explorer: 7.0, 6.0 SP2, 5.5 SP2
//                              * Opera: 9.21
//
// Releases: For up-to-date and complete release information, visit http://www.dolem.com/forum/showthread.php?tid=62
//                              * v3.20 (07/11/07)
//                              * v3.10 (05/28/07)
//                              * v3.00 (05/15/07)
//                              * v2.02 (11/13/06)
//
//   Credit: LyteBox was originally derived from the Lightbox class (v2.02) that was written by Lokesh Dhakar. For more
//                       information please visit http://huddletogether.com/projects/lightbox2/
/// The original work has been modified by Tableau Software, Inc.
//***********************************************************************************************************************************/
Array.prototype.removeDuplicates = function () { for (var i = 1; i < this.length; i++) { if (this[i][0] == this[i-1][0]) { this.splice(i,1); } } }
Array.prototype.empty = function () { for (var i = 0; i <= this.length; i++) { this.shift(); } }
String.prototype.trim = function () { return this.replace(/^\s+|\s+$/g, ''); }

function LyteBox() {
        /*** Start Global Configuration ***/
                this.theme                      = 'grey';       // themes: grey (default), red, green, blue, gold
                this.hideFlash                  = true;         // controls whether or not Flash objects should be hidden
                this.outerBorder                = true;         // controls whether to show the outer grey (or theme) border
                this.resizeSpeed                = 8;            // controls the speed of the image resizing (1=slowest and 10=fastest)
                this.maxOpacity                 = 40;           // higher opacity = darker overlay, lower opacity = lighter overlay
                this.navType                    = 2;            // 1 = "Prev/Next" buttons on top left and left (default), 2 = "<< prev | next >>" links next to image number
                this.autoResize                 = false;                // controls whether or not images should be resized if larger than the browser window dimensions
                this.doAnimations               = false;                // controls whether or not "animate" Lytebox, i.e. resize transition between images, fade in/out effects, etc.

                this.borderSize                 = 2;            // if you adjust the padding in the CSS, you will need to update this variable -- otherwise, leave this alone...
        /*** End Global Configuration ***/

        /*** Configure Slideshow Options ***/
                this.slideInterval              = 4000;         // Change value (milliseconds) to increase/decrease the time between "slides" (10000 = 10 seconds)
                this.showNavigation             = true;         // true to display Next/Prev buttons/text during slideshow, false to hide
                this.showClose                  = true;         // true to display the Close button, false to hide
                this.showDetails                = true;         // true to display image details (caption, count), false to hide
                this.showPlayPause              = true;         // true to display pause/play buttons next to close button, false to hide
                this.autoEnd                    = true;         // true to automatically close Lytebox after the last image is reached, false to keep open
                this.pauseOnNextClick   = false;        // true to pause the slideshow when the "Next" button is clicked
        this.pauseOnPrevClick   = true;         // true to pause the slideshow when the "Prev" button is clicked
        /*** End Slideshow Configuration ***/

        if(this.resizeSpeed > 10) { this.resizeSpeed = 10; }
        if(this.resizeSpeed < 1) { resizeSpeed = 1; }
        this.resizeDuration = (11 - this.resizeSpeed) * 0.15;
        this.resizeWTimerArray          = new Array();
        this.resizeWTimerCount          = 0;
        this.resizeHTimerArray          = new Array();
        this.resizeHTimerCount          = 0;
        this.showContentTimerArray      = new Array();
        this.showContentTimerCount      = 0;
        this.overlayTimerArray          = new Array();
        this.overlayTimerCount          = 0;
        this.imageTimerArray            = new Array();
        this.imageTimerCount            = 0;
        this.timerIDArray                       = new Array();
        this.timerIDCount                       = 0;
        this.slideshowIDArray           = new Array();
        this.slideshowIDCount           = 0;
        this.imageArray  = new Array();
        this.activeImage = null;
        this.slideArray  = new Array();
        this.activeSlide = null;
        this.frameArray  = new Array();
        this.activeFrame = null;
        this.checkFrame();
        this.isSlideshow = false;
        this.isLyteframe = false;
        /*@cc_on
                /*@if (@_jscript)
                        this.ie = (document.all && !window.opera) ? true : false;
                /*@else @*/
                        this.ie = false;
                /*@end
        @*/
        this.ie7 = (this.ie && window.XMLHttpRequest);
        this.initialize();

        this.previousParent = null;
        this.adoptee = null;
        this.started = false;
        this.confirmed = false;
        this.confirmCallback = null;
        this.confirmPositive = wgappStrings.Strings.yes;
        this.confirmNegative = wgappStrings.Strings.no;
}
LyteBox.prototype.initialize = function() {
      //if we've already initialized, do nothing
      if (this.doc.getElementById('lbOverlay')) return;

      this.updateLyteboxItems();
      var objBody = this.doc.getElementsByTagName("body").item(0);
      if (this.doc.getElementById('lbOverlay')) {
              objBody.removeChild(this.doc.getElementById("lbOverlay"));
              objBody.removeChild(this.doc.getElementById("lbMain"));
      }
     var objOverlay = this.doc.createElement("div");
             objOverlay.setAttribute('id','lbOverlay');
             objOverlay.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objOverlay.style.display = 'none';
             objBody.appendChild(objOverlay);
     var objLytebox = this.doc.createElement("div");
             objLytebox.setAttribute('id','lbMain');
             objLytebox.style.display = 'none';
             objBody.appendChild(objLytebox);
     var objOuterContainer = this.doc.createElement("div");
             objOuterContainer.setAttribute('id','lbOuterContainer');
             objOuterContainer.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objLytebox.appendChild(objOuterContainer);
     var objIframeContainer = this.doc.createElement("div");
             objIframeContainer.setAttribute('id','lbIframeContainer');
             objIframeContainer.style.display = 'none';
             objOuterContainer.appendChild(objIframeContainer);
     var objIframe = this.doc.createElement("iframe");
             objIframe.setAttribute('id','lbIframe');
             objIframe.setAttribute('name','lbIframe');
             objIframe.style.display = 'none';
             objIframeContainer.appendChild(objIframe);
    var objImageContainer = this.doc.createElement("div");
             objImageContainer.setAttribute('id','lbImageContainer');
             objOuterContainer.appendChild(objImageContainer);
     var objLyteboxImage = this.doc.createElement("img");
             objLyteboxImage.setAttribute('id','lbImage');
             objImageContainer.appendChild(objLyteboxImage);
     var objLoading = this.doc.createElement("div");
             objLoading.setAttribute('id','lbLoading');
             objOuterContainer.appendChild(objLoading);
     var objDetailsContainer = this.doc.createElement("div");
             objDetailsContainer.setAttribute('id','lbDetailsContainer');
             objDetailsContainer.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objLytebox.appendChild(objDetailsContainer);
     var objDetailsData =this.doc.createElement("div");
             objDetailsData.setAttribute('id','lbDetailsData');
             objDetailsData.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objDetailsContainer.appendChild(objDetailsData);
     var objDetails = this.doc.createElement("div");
             objDetails.setAttribute('id','lbDetails');
             objDetailsData.appendChild(objDetails);
     var objCaption = this.doc.createElement("span");
             objCaption.setAttribute('id','lbCaption');
             objDetails.appendChild(objCaption);
     var objHoverNav = this.doc.createElement("div");
             objHoverNav.setAttribute('id','lbHoverNav');
             objImageContainer.appendChild(objHoverNav);
     var objBottomNav = this.doc.createElement("div");
             objBottomNav.setAttribute('id','lbBottomNav');
             objDetailsData.appendChild(objBottomNav);
     var objPrev = this.doc.createElement("a");
             objPrev.setAttribute('id','lbPrev');
             objPrev.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objPrev.setAttribute('href','#');
             objHoverNav.appendChild(objPrev);
     var objNext = this.doc.createElement("a");
             objNext.setAttribute('id','lbNext');
             objNext.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objNext.setAttribute('href','#');
             objHoverNav.appendChild(objNext);
     var objNumberDisplay = this.doc.createElement("span");
             objNumberDisplay.setAttribute('id','lbNumberDisplay');
             objDetails.appendChild(objNumberDisplay);
     var objNavDisplay = this.doc.createElement("span");
             objNavDisplay.setAttribute('id','lbNavDisplay');
             objNavDisplay.style.display = 'none';
             objDetails.appendChild(objNavDisplay);
     var objClose = this.doc.createElement("a");
             objClose.setAttribute('id','lbClose');
             objClose.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objClose.setAttribute('href','#');
             objBottomNav.appendChild(objClose);
        var closeWindow = this.doc.createTextNode(wgappStrings.Strings.DismissButtonText);
        objClose.appendChild(closeWindow);
     var objPause = this.doc.createElement("a");
             objPause.setAttribute('id','lbPause');
             objPause.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objPause.setAttribute('href','#');
             objPause.style.display = 'none';
             objBottomNav.appendChild(objPause);
     var objPlay = this.doc.createElement("a");
             objPlay.setAttribute('id','lbPlay');
             objPlay.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objPlay.setAttribute('href','#');
             objPlay.style.display = 'none';
             objBottomNav.appendChild(objPlay);

     var objOK = this.doc.createElement("a");
             objOK.setAttribute('id','lbOK');
             objOK.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objOK.setAttribute('href','#');
             objBottomNav.appendChild(objOK);

     var objCancel = this.doc.createElement("a");
             objCancel.setAttribute('id','lbCancel');
             objCancel.setAttribute((this.ie ? 'className' : 'class'), this.theme);
             objCancel.setAttribute('href','#');
             objBottomNav.appendChild(objCancel);

};
LyteBox.prototype.updateLyteboxItems = function() {
        var anchors = (this.isFrame) ? window.parent.frames[window.name].document.getElementsByTagName('a') : document.getElementsByTagName('a');
        for (var i = 0; i < anchors.length; i++) {
                var anchor = anchors[i];
                var relAttribute = String(anchor.getAttribute('rel'));
                if (anchor.getAttribute('href')) {
                        if (relAttribute.toLowerCase().match('lytebox')) {
                                anchor.onclick = function () { myLytebox.start(this, false, false); return false; }
                        } else if (relAttribute.toLowerCase().match('lyteshow')) {
                                anchor.onclick = function () { myLytebox.start(this, true, false); return false; }
                        } else if (relAttribute.toLowerCase().match('lyteframe')) {
                                anchor.onclick = function () { myLytebox.start(this, false, true); return false; }
                        }
                }
        }
};
LyteBox.prototype.start = function(imageLink, doSlide, doFrame) {
        if (this.ie && !this.ie7) {     this.toggleSelects('hide');     }
        if (this.hideFlash) { this.toggleFlash('hide'); }
        this.isLyteframe = (doFrame ? true : false);
        var pageSize    = this.getPageSize();
        var objOverlay  = this.doc.getElementById('lbOverlay');
        var objBody             = this.doc.getElementsByTagName("body").item(0);
        objOverlay.style.height = pageSize[1] + "px";
        objOverlay.style.display = '';
        this.appear('lbOverlay', (this.doAnimations ? 0 : this.maxOpacity));
        var anchors = (this.isFrame) ? window.parent.frames[window.name].document.getElementsByTagName('a') : document.getElementsByTagName('a');
        if (this.isLyteframe) {
                this.frameArray = [];
                this.frameNum = 0;
                if ((imageLink.getAttribute('rel') == 'lyteframe')) {
                        var rev = imageLink.getAttribute('rev');
                        this.frameArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title'), (rev == null || rev == '' ? 'width: 400px; height: 400px; scrolling: auto;' : rev)));
                } else {
                        if (imageLink.getAttribute('rel').indexOf('lyteframe') != -1) {
                                for (var i = 0; i < anchors.length; i++) {
                                        var anchor = anchors[i];
                                        if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))) {
                                                var rev = anchor.getAttribute('rev');
                                                this.frameArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title'), (rev == null || rev == '' ? 'width: 400px; height: 400px; scrolling: auto;' : rev)));
                                        }
                                }
                                this.frameArray.removeDuplicates();
                                while(this.frameArray[this.frameNum][0] != imageLink.getAttribute('href')) { this.frameNum++; }
                        }
                }
        } else {
                this.imageArray = [];
                this.imageNum = 0;
                this.slideArray = [];
                this.slideNum = 0;
                if ((imageLink.getAttribute('rel') == 'lytebox')) {
                        this.imageArray.push(new Array(imageLink.getAttribute('href'), imageLink.getAttribute('title')));
                        this.adoptee = this.doc.getElementById(imageLink.getAttribute('adoptee'));

                } else {
                        if (imageLink.getAttribute('rel').indexOf('lytebox') != -1) {
                                for (var i = 0; i < anchors.length; i++) {
                                        var anchor = anchors[i];
                                        if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))) {
                                                this.imageArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
                                        }
                                }
                                this.imageArray.removeDuplicates();
                                while(this.imageArray[this.imageNum][0] != imageLink.getAttribute('href')) { this.imageNum++; }
                        }
                        if (imageLink.getAttribute('rel').indexOf('lyteshow') != -1) {
                                for (var i = 0; i < anchors.length; i++) {
                                        var anchor = anchors[i];
                                        if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == imageLink.getAttribute('rel'))) {
                                                this.slideArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
                                        }
                                }
                                this.slideArray.removeDuplicates();
                                while(this.slideArray[this.slideNum][0] != imageLink.getAttribute('href')) { this.slideNum++; }
                        }
                }
        }
        var object = this.doc.getElementById('lbMain');
                object.style.top = (this.getPageScroll() + (pageSize[3] / 10) + 30) + "px";
                object.style.display = '';
        if (!this.outerBorder) {
                this.doc.getElementById('lbOuterContainer').style.border = 'none';
                this.doc.getElementById('lbDetailsContainer').style.border = 'none';
        } else {
                this.doc.getElementById('lbOuterContainer').style.borderBottom = '';
                this.doc.getElementById('lbOuterContainer').setAttribute((this.ie ? 'className' : 'class'), this.theme);
        }
        //      this.doc.getElementById('lbOverlay').onclick = function() { myLytebox.end(); return false; }
        this.doc.getElementById('lbMain').onclick = function(e) {
                var e = e;
                if (!e) {
                        if (window.parent.frames[window.name] && (parent.document.getElementsByTagName('frameset').length <= 0)) {
                                e = window.parent.window.event;
                        } else {
                                e = window.event;
                        }
                }
                var id = (e.target ? e.target.id : e.srcElement.id);
                //                if (id == 'lbMain') { myLytebox.end(); return false; }
        }
        this.doc.getElementById('lbClose').onclick = function() { myLytebox.end(); return false; }

        this.doc.getElementById('lbOK').onclick = function() { myLytebox.confirmOK(); return false; }
        this.doc.getElementById('lbCancel').onclick = function() { myLytebox.confirmCancel(); return false; }

        this.doc.getElementById('lbPause').onclick = function() { myLytebox.togglePlayPause("lbPause", "lbPlay"); return false; }
        this.doc.getElementById('lbPlay').onclick = function() { myLytebox.togglePlayPause("lbPlay", "lbPause"); return false; }
        this.isSlideshow = doSlide;
        this.isPaused = (this.slideNum != 0 ? true : false);
        if (this.isSlideshow && this.showPlayPause && this.isPaused) {
                this.doc.getElementById('lbPlay').style.display = '';
                this.doc.getElementById('lbPause').style.display = 'none';
        }
        if (this.isLyteframe) {
                this.changeContent(this.frameNum);
        } else {
                if (this.isSlideshow) {
                        this.changeContent(this.slideNum);
                } else {
                        this.changeContent(this.imageNum);
                }
        }
        this.started = true;
};
LyteBox.prototype.changeContent = function(imageNum) {
        if (this.isSlideshow) {
                for (var i = 0; i < this.slideshowIDCount; i++) { window.clearTimeout(this.slideshowIDArray[i]); }
        }
        this.activeImage = this.activeSlide = this.activeFrame = imageNum;
        if (!this.outerBorder) {
                this.doc.getElementById('lbOuterContainer').style.border = 'none';
                this.doc.getElementById('lbDetailsContainer').style.border = 'none';
        } else {
                this.doc.getElementById('lbOuterContainer').style.borderBottom = '';
                this.doc.getElementById('lbOuterContainer').setAttribute((this.ie ? 'className' : 'class'), this.theme);
        }
        this.doc.getElementById('lbLoading').style.display = '';
        this.doc.getElementById('lbImage').style.display = 'none';
        this.doc.getElementById('lbIframe').style.display = 'none';
        this.doc.getElementById('lbPrev').style.display = 'none';
        this.doc.getElementById('lbNext').style.display = 'none';
        this.doc.getElementById('lbIframeContainer').style.display = 'none';
        this.doc.getElementById('lbDetailsContainer').style.display = 'none';
        this.doc.getElementById('lbNumberDisplay').style.display = 'none';
        if (this.navType == 2 || this.isLyteframe) {
                object = this.doc.getElementById('lbNavDisplay');
                object.innerHTML = '&nbsp;&nbsp;&nbsp;<span id="lbPrev2_Off" style="display: none;" class="' + this.theme + '">&laquo; prev</span><a href="#" id="lbPrev2" class="' + this.theme + '" style="display: none;">&laquo; prev</a> <b id="lbSpacer" class="' + this.theme + '">||</b> <span id="lbNext2_Off" style="display: none;" class="' + this.theme + '">next &raquo;</span><a href="#" id="lbNext2" class="' + this.theme + '" style="display: none;">next &raquo;</a>';
                object.style.display = 'none';
        }
        if (this.isLyteframe) {
                var iframe = myLytebox.doc.getElementById('lbIframe');
                var styles = this.frameArray[this.activeFrame][2];
                var aStyles = styles.split(';');
                for (var i = 0; i < aStyles.length; i++) {
                        if (aStyles[i].indexOf('width:') >= 0) {
                                var w = aStyles[i].replace('width:', '');
                                iframe.width = w.trim();
                        } else if (aStyles[i].indexOf('height:') >= 0) {
                                var h = aStyles[i].replace('height:', '');
                                iframe.height = h.trim();
                        } else if (aStyles[i].indexOf('scrolling:') >= 0) {
                                var s = aStyles[i].replace('scrolling:', '');
                                iframe.scrolling = s.trim();
                        } else if (aStyles[i].indexOf('border:') >= 0) {
                                // Not implemented yet, as there are cross-platform issues with setting the border (from a GUI standpoint)
                                //var b = aStyles[i].replace('border:', '');
                                //iframe.style.border = b.trim();
                        }
                }
                iframe.src = this.frameArray[this.activeFrame][0];
                this.resizeContainer(parseInt(iframe.width), parseInt(iframe.height));
        } else {
                imgPreloader = new Image();
                imgPreloader.onload = function() {
                        var imageWidth = imgPreloader.width;
                        var imageHeight = imgPreloader.height;
                        if (myLytebox.autoResize) {
                                var pagesize = myLytebox.getPageSize();
                                var x = pagesize[2] - 150;
                                var y = pagesize[3] - 150;
                                if (imageWidth > x) {
                                        imageHeight = Math.round(imageHeight * (x / imageWidth));
                                        imageWidth = x;
                                        if (imageHeight > y) {
                                                imageWidth = Math.round(imageWidth * (y / imageHeight));
                                                imageHeight = y;
                                        }
                                } else if (imageHeight > y) {
                                        imageWidth = Math.round(imageWidth * (y / imageHeight));
                                        imageHeight = y;
                                        if (imageWidth > x) {
                                                imageHeight = Math.round(imageHeight * (x / imageWidth));
                                                imageWidth = x;
                                        }
                                }
                        }
                        var lbImage = myLytebox.doc.getElementById('lbImage')
                        lbImage.src = (myLytebox.isSlideshow ? myLytebox.slideArray[myLytebox.activeSlide][0] : myLytebox.imageArray[myLytebox.activeImage][0]);
                        lbImage.width = imageWidth;
                        lbImage.height = imageHeight;
                        myLytebox.resizeContainer(imageWidth, imageHeight);
                        imgPreloader.onload = function() {};
                }
                imgPreloader.src = (this.isSlideshow ? this.slideArray[this.activeSlide][0] : this.imageArray[this.activeImage][0]);
        }
};
LyteBox.prototype.resizeContainer = function(imgWidth, imgHeight) {
        this.wCur = this.doc.getElementById('lbOuterContainer').offsetWidth;
        this.hCur = this.doc.getElementById('lbOuterContainer').offsetHeight;
        this.xScale = ((imgWidth  + (this.borderSize * 2)) / this.wCur) * 100;
        this.yScale = ((imgHeight  + (this.borderSize * 2)) / this.hCur) * 100;
        var wDiff = (this.wCur - this.borderSize * 2) - imgWidth;
        var hDiff = (this.hCur - this.borderSize * 2) - imgHeight;
        if (!(hDiff == 0)) {
                this.hDone = false;
                this.resizeH('lbOuterContainer', this.hCur, imgHeight + this.borderSize*2, this.getPixelRate(this.hCur, imgHeight));
        } else {
                this.hDone = true;
        }
        if (!(wDiff == 0)) {
                this.wDone = false;
                this.resizeW('lbOuterContainer', this.wCur, imgWidth + this.borderSize*2, this.getPixelRate(this.wCur, imgWidth));
        } else {
                this.wDone = true;
        }
        if ((hDiff == 0) && (wDiff == 0)) {
                if (this.ie){ this.pause(250); } else { this.pause(100); }
        }
        this.doc.getElementById('lbPrev').style.height = imgHeight + "px";
        this.doc.getElementById('lbNext').style.height = imgHeight + "px";
        this.doc.getElementById('lbDetailsContainer').style.width = (imgWidth + (this.borderSize * 2) + (this.ie && this.doc.compatMode == "BackCompat" && this.outerBorder ? 2 : 0)) + "px";
        this.showContent();
};
LyteBox.prototype.showContent = function() {
        if (this.wDone && this.hDone) {
                for (var i = 0; i < this.showContentTimerCount; i++) { window.clearTimeout(this.showContentTimerArray[i]); }
                if (this.outerBorder) {
                        this.doc.getElementById('lbOuterContainer').style.borderBottom = 'none';
                }
                this.doc.getElementById('lbLoading').style.display = 'none';
                if (this.isLyteframe) {
                        this.doc.getElementById('lbIframe').style.display = '';
                        this.appear('lbIframe', (this.doAnimations ? 0 : 100));
                } else {
                        this.doc.getElementById('lbImage').style.display = '';
                        this.appear('lbImage', (this.doAnimations ? 0 : 100));
                        this.preloadNeighborImages();
                }
                if (this.isSlideshow) {
                        if(this.activeSlide == (this.slideArray.length - 1)) {
                                if (this.autoEnd) {
                                        this.slideshowIDArray[this.slideshowIDCount++] = setTimeout("myLytebox.end('slideshow')", this.slideInterval);
                                }
                        } else {
                                if (!this.isPaused) {
                                        this.slideshowIDArray[this.slideshowIDCount++] = setTimeout("myLytebox.changeContent("+(this.activeSlide+1)+")", this.slideInterval);
                                }
                        }
                        this.doc.getElementById('lbHoverNav').style.display = (this.showNavigation && this.navType == 1 ? '' : 'none');
                        this.doc.getElementById('lbClose').style.display = (this.showClose ? '' : 'none');
                        this.doc.getElementById('lbOK').style.display = 'none';
                        this.doc.getElementById('lbCancel').style.display = 'none';
                        this.doc.getElementById('lbDetails').style.display = (this.showDetails ? '' : 'none');
                        this.doc.getElementById('lbPause').style.display = (this.showPlayPause && !this.isPaused ? '' : 'none');
                        this.doc.getElementById('lbPlay').style.display = (this.showPlayPause && !this.isPaused ? 'none' : '');
                        this.doc.getElementById('lbNavDisplay').style.display = (this.showNavigation && this.navType == 2 ? '' : 'none');
                } else {
                        this.doc.getElementById('lbHoverNav').style.display = (this.navType == 1 && !this.isLyteframe ? '' : 'none');
                        if ((this.navType == 2 && !this.isLyteframe && this.imageArray.length > 1) || (this.frameArray.length > 1 && this.isLyteframe)) {
                                this.doc.getElementById('lbNavDisplay').style.display = '';
                        } else {
                                this.doc.getElementById('lbNavDisplay').style.display = 'none';
                        }
                        this.doc.getElementById('lbClose').style.display = ((null != this.confirmCallback) ? 'none' : (this.showClose ? '' : 'none'));
                        this.doc.getElementById('lbDetails').style.display = '';
                        this.doc.getElementById('lbPause').style.display = 'none';
                        this.doc.getElementById('lbPlay').style.display = 'none';

                        this.doc.getElementById('lbOK').style.display = ((null != this.confirmCallback) ? '' : 'none');
                        this.doc.getElementById('lbCancel').style.display = ((null != this.confirmCallback) ? '' : 'none');


                }
                this.doc.getElementById('lbImageContainer').style.display = (this.isLyteframe ? 'none' : '');
                this.doc.getElementById('lbIframeContainer').style.display = (this.isLyteframe ? '' : 'none');
                // B27306 - hack to get the link in the custom HTML focus
                var focus_item = this.doc.getElementById('lytebox_focus');
                if( focus_item ) {
                  focus_item.focus();
                }
        } else {
                this.showContentTimerArray[this.showContentTimerCount++] = setTimeout("myLytebox.showContent()", 200);
        }
};
LyteBox.prototype.updateDetails = function() {
        var object = this.doc.getElementById('lbCaption');
        var sTitle = (this.isSlideshow ? this.slideArray[this.activeSlide][1] : (this.isLyteframe ? this.frameArray[this.activeFrame][1] : this.imageArray[this.activeImage][1]));
        object.style.display = '';
        object.innerHTML = '<div id="lbTitle">' + (sTitle == null ? '' : sTitle) + '</div>';
        this.takeAdoptee();
        this.updateNav();
        this.doc.getElementById('lbDetailsContainer').style.display = '';
        object = this.doc.getElementById('lbNumberDisplay');
        if (this.isSlideshow && this.slideArray.length > 1) {
                object.style.display = '';
                object.innerHTML = "Image " + eval(this.activeSlide + 1) + " of " + this.slideArray.length;
                this.doc.getElementById('lbNavDisplay').style.display = (this.navType == 2 && this.showNavigation ? '' : 'none');
        } else if (this.imageArray.length > 1 && !this.isLyteframe) {
                object.style.display = '';
                object.innerHTML = "Image " + eval(this.activeImage + 1) + " of " + this.imageArray.length;
                this.doc.getElementById('lbNavDisplay').style.display = (this.navType == 2 ? '' : 'none');
        } else if (this.frameArray.length > 1 && this.isLyteframe) {
                object.style.display = '';
                object.innerHTML = "Page " + eval(this.activeFrame + 1) + " of " + this.frameArray.length;
                this.doc.getElementById('lbNavDisplay').style.display = '';
        } else {
                this.doc.getElementById('lbNavDisplay').style.display = 'none';
        }
        this.appear('lbDetailsContainer', (this.doAnimations ? 0 : 100));

};
LyteBox.prototype.updateNav = function() {
        if (this.isSlideshow) {
                if (this.activeSlide != 0) {
                        var object = (this.navType == 2 ? this.doc.getElementById('lbPrev2') : this.doc.getElementById('lbPrev'));
                                object.style.display = '';
                                object.onclick = function() {
                                        if (myLytebox.pauseOnPrevClick) { myLytebox.togglePlayPause("lbPause", "lbPlay"); }
                                        myLytebox.changeContent(myLytebox.activeSlide - 1); return false;
                                }
                } else {
                        if (this.navType == 2) { this.doc.getElementById('lbPrev2_Off').style.display = ''; }
                }
                if (this.activeSlide != (this.slideArray.length - 1)) {
                        var object = (this.navType == 2 ? this.doc.getElementById('lbNext2') : this.doc.getElementById('lbNext'));
                                object.style.display = '';
                                object.onclick = function() {
                                        if (myLytebox.pauseOnNextClick) { myLytebox.togglePlayPause("lbPause", "lbPlay"); }
                                        myLytebox.changeContent(myLytebox.activeSlide + 1); return false;
                                }
                } else {
                        if (this.navType == 2) { this.doc.getElementById('lbNext2_Off').style.display = ''; }
                }
        } else if (this.isLyteframe) {
                if(this.activeFrame != 0) {
                        var object = this.doc.getElementById('lbPrev2');
                                object.style.display = '';
                                object.onclick = function() {
                                        myLytebox.changeContent(myLytebox.activeFrame - 1); return false;
                                }
                } else {
                        this.doc.getElementById('lbPrev2_Off').style.display = '';
                }
                if(this.activeFrame != (this.frameArray.length - 1)) {
                        var object = this.doc.getElementById('lbNext2');
                                object.style.display = '';
                                object.onclick = function() {
                                        myLytebox.changeContent(myLytebox.activeFrame + 1); return false;
                                }
                } else {
                        this.doc.getElementById('lbNext2_Off').style.display = '';
                }
        } else {
                if(this.activeImage != 0) {
                        var object = (this.navType == 2 ? this.doc.getElementById('lbPrev2') : this.doc.getElementById('lbPrev'));
                                object.style.display = '';
                                object.onclick = function() {
                                        myLytebox.changeContent(myLytebox.activeImage - 1); return false;
                                }
                } else {
                        if (this.navType == 2) { this.doc.getElementById('lbPrev2_Off').style.display = ''; }
                }
                if(this.activeImage != (this.imageArray.length - 1)) {
                        var object = (this.navType == 2 ? this.doc.getElementById('lbNext2') : this.doc.getElementById('lbNext'));
                                object.style.display = '';
                                object.onclick = function() {
                                        myLytebox.changeContent(myLytebox.activeImage + 1); return false;
                                }
                } else {
                        if (this.navType == 2) { this.doc.getElementById('lbNext2_Off').style.display = ''; }
                }
        }
        this.enableKeyboardNav();
};
LyteBox.prototype.enableKeyboardNav = function() { document.onkeydown = this.keyboardAction; };
LyteBox.prototype.disableKeyboardNav = function() { document.onkeydown = ''; };
LyteBox.prototype.keyboardAction = function(e) {
        var keycode = key = escape = null;
        keycode = (e == null) ? event.keyCode : e.which;
        key             = String.fromCharCode(keycode).toLowerCase();
        escape  = (e == null) ? 27 : e.DOM_VK_ESCAPE;

        if (keycode == escape) {
            myLytebox.end();
        }

/*      if ((key == 'x') || (key == 'c') || (keycode == escape)) {
                myLytebox.end();
        } else if ((key == 'p') || (keycode == 37)) {
                if (myLytebox.isSlideshow) {
                        if(myLytebox.activeSlide != 0) {
                                myLytebox.disableKeyboardNav();
                                myLytebox.changeContent(myLytebox.activeSlide - 1);
                        }
                } else if (myLytebox.isLyteframe) {
                        if(myLytebox.activeFrame != 0) {
                                myLytebox.disableKeyboardNav();
                                myLytebox.changeContent(myLytebox.activeFrame - 1);
                        }
                } else {
                        if(myLytebox.activeImage != 0) {
                                myLytebox.disableKeyboardNav();
                                myLytebox.changeContent(myLytebox.activeImage - 1);
                        }
                }
        } else if ((key == 'n') || (keycode == 39)) {
                if (myLytebox.isSlideshow) {
                        if(myLytebox.activeSlide != (myLytebox.slideArray.length - 1)) {
                                myLytebox.disableKeyboardNav();
                                myLytebox.changeContent(myLytebox.activeSlide + 1);
                        }
                } else if (myLytebox.isLyteframe) {
                        if(myLytebox.activeFrame != (myLytebox.frameArray.length - 1)) {
                                myLytebox.disableKeyboardNav();
                                myLytebox.changeContent(myLytebox.activeFrame + 1);
                        }
                } else {
                        if(myLytebox.activeImage != (myLytebox.imageArray.length - 1)) {
                                myLytebox.disableKeyboardNav();
                                myLytebox.changeContent(myLytebox.activeImage + 1);
                        }
                }
        }
*/
};
LyteBox.prototype.preloadNeighborImages = function() {
        if (this.isSlideshow) {
                if ((this.slideArray.length - 1) > this.activeSlide) {
                        preloadNextImage = new Image();
                        preloadNextImage.src = this.slideArray[this.activeSlide + 1][0];
                }
                if(this.activeSlide > 0) {
                        preloadPrevImage = new Image();
                        preloadPrevImage.src = this.slideArray[this.activeSlide - 1][0];
                }
        } else {
                if ((this.imageArray.length - 1) > this.activeImage) {
                        preloadNextImage = new Image();
                        preloadNextImage.src = this.imageArray[this.activeImage + 1][0];
                }
                if(this.activeImage > 0) {
                        preloadPrevImage = new Image();
                        preloadPrevImage.src = this.imageArray[this.activeImage - 1][0];
                }
        }
};
LyteBox.prototype.togglePlayPause = function(hideID, showID) {
        if (this.isSlideshow && hideID == "lbPause") {
                for (var i = 0; i < this.slideshowIDCount; i++) { window.clearTimeout(this.slideshowIDArray[i]); }
        }
        this.doc.getElementById(hideID).style.display = 'none';
        this.doc.getElementById(showID).style.display = '';
        if (hideID == "lbPlay") {
                this.isPaused = false;
                if (this.activeSlide == (this.slideArray.length - 1)) {
                        this.end();
                } else {
                        this.changeContent(this.activeSlide + 1);
                }
        } else {
                this.isPaused = true;
        }
};
LyteBox.prototype.end = function(caller) {
        var closeClick = (caller == 'slideshow' ? false : true);
        if (this.isSlideshow && this.isPaused && !closeClick) { return; }
        this.disableKeyboardNav();
        this.doc.getElementById('lbMain').style.display = 'none';
        this.fade('lbOverlay', (this.doAnimations ? this.maxOpacity : 0));
        this.toggleSelects('visible');
        if (this.hideFlash) { this.toggleFlash('visible'); }
        if (this.isSlideshow) {
                for (var i = 0; i < this.slideshowIDCount; i++) { window.clearTimeout(this.slideshowIDArray[i]); }
        }

        this.returnAdoptee();
        this.started = false;
        this.confirmCallback = null;
};
LyteBox.prototype.checkFrame = function() {
        // tableau:jsolomon
        // here we check if we can read info from the parent without throwing an
        // exception for cross-site scripting. If we do, then lytebox must
        // behave as if it's not in a frame even though it is.
        var readparent = true;
        try {
          var dummy = parent.document.getElementsByTagName('frameset').length;
        }
        catch(e) {
          readparent = false;
        }

        if (readparent == true && window.parent.frames[window.name] && (parent.document.getElementsByTagName('frameset').length <= 0)) {
                this.isFrame = true;
                this.lytebox = "window.parent." + window.name + ".myLytebox";
                this.doc = parent.document;
        } else {
                this.isFrame = false;
                this.lytebox = "myLytebox";
                this.doc = document;
        }
};
LyteBox.prototype.getPixelRate = function(cur, img) {
        var diff = (img > cur) ? img - cur : cur - img;
        if (diff >= 0 && diff <= 100) { return 10; }
        if (diff > 100 && diff <= 200) { return 15; }
        if (diff > 200 && diff <= 300) { return 20; }
        if (diff > 300 && diff <= 400) { return 25; }
        if (diff > 400 && diff <= 500) { return 30; }
        if (diff > 500 && diff <= 600) { return 35; }
        if (diff > 600 && diff <= 700) { return 40; }
        if (diff > 700) { return 45; }
};
LyteBox.prototype.appear = function(id, opacity) {
        var object = this.doc.getElementById(id).style;
        object.opacity = (opacity / 100);
        object.MozOpacity = (opacity / 100);
        object.KhtmlOpacity = (opacity / 100);
        object.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=" + opacity + ")";
        if (opacity == 100 && (id == 'lbImage' || id == 'lbIframe')) {
                this.updateDetails();
        } else if (opacity >= this.maxOpacity && id == 'lbOverlay') {
                for (var i = 0; i < this.overlayTimerCount; i++) { window.clearTimeout(this.overlayTimerArray[i]); }
                return;
        } else if (opacity >= 100 && id == 'lbDetailsContainer') {
                for (var i = 0; i < this.imageTimerCount; i++) { window.clearTimeout(this.imageTimerArray[i]); }
                this.doc.getElementById('lbOverlay').style.height = this.getPageSize()[1] + "px";
                this.doc.getElementById('lbOverlay').style.width = '100%';
        } else {
                if (id == 'lbOverlay') {
                        this.overlayTimerArray[this.overlayTimerCount++] = setTimeout("myLytebox.appear('" + id + "', " + (opacity+20) + ")", 1);
                } else {
                        this.imageTimerArray[this.imageTimerCount++] = setTimeout("myLytebox.appear('" + id + "', " + (opacity+10) + ")", 1);
                }
        }
};
LyteBox.prototype.fade = function(id, opacity) {
        var object = this.doc.getElementById(id).style;
        object.opacity = (opacity / 100);
        object.MozOpacity = (opacity / 100);
        object.KhtmlOpacity = (opacity / 100);
        object.filter = "progid:DXImageTransform.Microsoft.Alpha(opacity=" + opacity + ")";
        if (opacity <= 0) {
                try {
                        object.display = 'none';
                } catch(err) { }
        } else if (id == 'lbOverlay') {
                this.overlayTimerArray[this.overlayTimerCount++] = setTimeout("myLytebox.fade('" + id + "', " + (opacity-20) + ")", 1);
        } else {
                this.timerIDArray[this.timerIDCount++] = setTimeout("myLytebox.fade('" + id + "', " + (opacity-10) + ")", 1);
        }
};
LyteBox.prototype.resizeW = function(id, curW, maxW, pixelrate, speed) {
        if (!this.hDone) {
                this.resizeWTimerArray[this.resizeWTimerCount++] = setTimeout("myLytebox.resizeW('" + id + "', " + curW + ", " + maxW + ", " + pixelrate + ")", 100);
                return;
        }
        var object = this.doc.getElementById(id);
        var timer = speed ? speed : (this.resizeDuration/2);
        var newW = (this.doAnimations ? curW : maxW);
        object.style.width = (newW) + "px";
        if (newW < maxW) {
                newW += (newW + pixelrate >= maxW) ? (maxW - newW) : pixelrate;
        } else if (newW > maxW) {
                newW -= (newW - pixelrate <= maxW) ? (newW - maxW) : pixelrate;
        }
        this.resizeWTimerArray[this.resizeWTimerCount++] = setTimeout("myLytebox.resizeW('" + id + "', " + newW + ", " + maxW + ", " + pixelrate + ", " + (timer+0.02) + ")", timer+0.02);
        if (parseInt(object.style.width) == maxW) {
                this.wDone = true;
                for (var i = 0; i < this.resizeWTimerCount; i++) { window.clearTimeout(this.resizeWTimerArray[i]); }
        }
};
LyteBox.prototype.resizeH = function(id, curH, maxH, pixelrate, speed) {
        var timer = speed ? speed : (this.resizeDuration/2);
        var object = this.doc.getElementById(id);
        var newH = (this.doAnimations ? curH : maxH);
        object.style.height = (newH) + "px";
        if (newH < maxH) {
                newH += (newH + pixelrate >= maxH) ? (maxH - newH) : pixelrate;
        } else if (newH > maxH) {
                newH -= (newH - pixelrate <= maxH) ? (newH - maxH) : pixelrate;
        }
        this.resizeHTimerArray[this.resizeHTimerCount++] = setTimeout("myLytebox.resizeH('" + id + "', " + newH + ", " + maxH + ", " + pixelrate + ", " + (timer+.02) + ")", timer+.02);
        if (parseInt(object.style.height) == maxH) {
                this.hDone = true;
                for (var i = 0; i < this.resizeHTimerCount; i++) { window.clearTimeout(this.resizeHTimerArray[i]); }
        }
};
LyteBox.prototype.getPageScroll = function() {
        if (self.pageYOffset) {
                return this.isFrame ? parent.pageYOffset : self.pageYOffset;
        } else if (this.doc.documentElement && this.doc.documentElement.scrollTop){
                return this.doc.documentElement.scrollTop;
        } else if (document.body) {
                return this.doc.body.scrollTop;
        }
};
LyteBox.prototype.getPageSize = function() {
        var xScroll, yScroll, windowWidth, windowHeight;
        if (window.innerHeight && window.scrollMaxY) {
                xScroll = this.doc.scrollWidth;
                yScroll = (this.isFrame ? parent.innerHeight : self.innerHeight) + (this.isFrame ? parent.scrollMaxY : self.scrollMaxY);
        } else if (this.doc.body.scrollHeight > this.doc.body.offsetHeight){
                xScroll = this.doc.body.scrollWidth;
                yScroll = this.doc.body.scrollHeight;
        } else {
                xScroll = this.doc.getElementsByTagName("html").item(0).offsetWidth;
                yScroll = this.doc.getElementsByTagName("html").item(0).offsetHeight;
                xScroll = (xScroll < this.doc.body.offsetWidth) ? this.doc.body.offsetWidth : xScroll;
                yScroll = (yScroll < this.doc.body.offsetHeight) ? this.doc.body.offsetHeight : yScroll;
        }
        if (self.innerHeight) {
                windowWidth = (this.isFrame) ? parent.innerWidth : self.innerWidth;
                windowHeight = (this.isFrame) ? parent.innerHeight : self.innerHeight;
        } else if (document.documentElement && document.documentElement.clientHeight) {
                windowWidth = this.doc.documentElement.clientWidth;
                windowHeight = this.doc.documentElement.clientHeight;
        } else if (document.body) {
                windowWidth = this.doc.getElementsByTagName("html").item(0).clientWidth;
                windowHeight = this.doc.getElementsByTagName("html").item(0).clientHeight;
                windowWidth = (windowWidth == 0) ? this.doc.body.clientWidth : windowWidth;
                windowHeight = (windowHeight == 0) ? this.doc.body.clientHeight : windowHeight;
        }
        var pageHeight = (yScroll < windowHeight) ? windowHeight : yScroll;
        var pageWidth = (xScroll < windowWidth) ? windowWidth : xScroll;
        return new Array(pageWidth, pageHeight, windowWidth, windowHeight);
};
LyteBox.prototype.toggleFlash = function(state) {
        var objects = this.doc.getElementsByTagName("object");
        for (var i = 0; i < objects.length; i++) {
                objects[i].style.visibility = (state == "hide") ? 'hidden' : 'visible';
        }
        var embeds = this.doc.getElementsByTagName("embed");
        for (var i = 0; i < embeds.length; i++) {
                embeds[i].style.visibility = (state == "hide") ? 'hidden' : 'visible';
        }
        if (this.isFrame) {
                for (var i = 0; i < parent.frames.length; i++) {
                        try {
                                objects = parent.frames[i].window.document.getElementsByTagName("object");
                                for (var j = 0; j < objects.length; j++) {
                                        objects[j].style.visibility = (state == "hide") ? 'hidden' : 'visible';
                                }
                        } catch(e) { }
                        try {
                                embeds = parent.frames[i].window.document.getElementsByTagName("embed");
                                for (var j = 0; j < embeds.length; j++) {
                                        embeds[j].style.visibility = (state == "hide") ? 'hidden' : 'visible';
                                }
                        } catch(e) { }
                }
        }
};
LyteBox.prototype.toggleSelects = function(state) {
        var selects = this.doc.getElementsByTagName("select");
        for (var i = 0; i < selects.length; i++ ) {
            if ((selects[i].usedInLytebox == undefined) ||  (selects[i].usedInLytebox == false)) {
                selects[i].style.visibility = (state == "hide") ? 'hidden' : 'visible';
            }
        }
        if (this.isFrame) {
                for (var i = 0; i < parent.frames.length; i++) {
                        try {
                                selects = parent.frames[i].window.document.getElementsByTagName("select");
                                for (var j = 0; j < selects.length; j++) {
                                    if ((selects[j].usedInLytebox == undefined) ||  (selects[j].usedInLytebox == false)) {
                                        selects[j].style.visibility = (state == "hide") ? 'hidden' : 'visible';
                                    }
                                }
                        } catch(e) { }
                }
        }
};
LyteBox.prototype.pause = function(numberMillis) {
        var now = new Date();
        var exitTime = now.getTime() + numberMillis;
        while (true) {
                now = new Date();
                if (now.getTime() > exitTime) { return; }
        }
};
LyteBox.prototype.takeAdoptee = function() {
    if (this.adoptee != null) {
        this.previousParent = this.adoptee.parentNode;
        if ((this.previousParent != null) && (this.doc.getElementById('lbCaption') != null)){
             this.previousParent.removeChild(this.adoptee);
             this.doc.getElementById('lbCaption').appendChild(this.adoptee);
            this.showNavigationPrevious = this.showNavigation;
            this.showClosePrevious = this.showClose;
            this.showNavigation         = false;
            this.showClose              = false;


        }
    }
}
LyteBox.prototype.returnAdoptee = function() {
    if ((this.previousParent != null) && (this.adoptee != null) && (this.doc.getElementById('lbCaption') != null)) {
         this.doc.getElementById('lbCaption').removeChild(this.adoptee);
         this.previousParent.appendChild(this.adoptee);

        this.adoptee = null;
        this.previousParent = null;
        this.showNavigation = this.showNavigationPrevious;
        this.showClose = this.showClosePrevious;

    }
};

if (window.addEventListener) {
        window.addEventListener("load",initLytebox,false);
} else if (window.attachEvent) {
        window.attachEvent("onload",initLytebox);
} else {
        window.onload = function() {initLytebox();}
}



LyteBox.prototype.confirmOK = function() {
    this.confirmed = true;
    if (null != this.confirmCallback) {
        this.confirmCallback(true);
    }
    this.end();
    return false;
}


LyteBox.prototype.confirmCancel = function() {
    this.confirmed = false;
    if (null != this.confirmCallback) {
        this.confirmCallback(false);
    }
    this.end();
    return false;
}


function initLytebox() { myLytebox = new LyteBox(); }

/* Must pass in the "anchors" ID so that Lytebox can call the correct "onclick" handler... */
function loadLytebox(id) {
    if (typeof myLytebox != 'undefined') {
        // if the myLytebox object exists, start it up!
        myLytebox.start(myLytebox.doc.getElementById(id));
    } else {
        // wait 1/10th of a second and attempt loading again...
        if (timeoutID) { clearTimeout(timeoutID); }
        timeoutID = setTimeout('loadLytebox("'+id+'")', 100);
    }
}

function lyteboxAlert(id, details) {
    if (typeof(myLytebox) == "undefined")  /* seen in the wild, defend here! */
        {
          return;
        }

    if (myLytebox.started) {
        myLytebox.end();
    }

    if (!myLytebox.started) {
        myLytebox.doc.getElementById(id).title = details;
        loadLytebox(id);
    }
}



function removeChildNodes(ctrl)
{
  if (!ctrl) return;

  while (ctrl.childNodes[0])
  {
     ctrl.removeChild(ctrl.childNodes[0]);
  }
}


function lyteboxConfirm(id, details, callback) {
    if (typeof(myLytebox) == "undefined")  /* seen in the wild, defend here! */
        {
          return;
        }

    if (myLytebox.started) {
        myLytebox.end();
    }

    if (null == callback) {
        callback = nop;
    }
    myLytebox.confirmed = false;

    var lbCancel = myLytebox.doc.getElementById('lbCancel');
    removeChildNodes(lbCancel);
    var textCancel = myLytebox.doc.createTextNode(myLytebox.confirmNegative);
     lbCancel.appendChild(textCancel);

    var lbOk = myLytebox.doc.getElementById('lbOK');
    removeChildNodes(lbOk);
    var textOK = myLytebox.doc.createTextNode(myLytebox.confirmPositive);
     lbOk.appendChild(textOK);


    var template = "<table>";
    template = template + "<tr><td>" + details + "</td></tr><tr><td><br></td></tr>";
    template = template + "</table>";
    myLytebox.confirmCallback = callback;
    lyteboxAlert(id, template);

}


function nop() {
    return false;
}

/*!
 * jQuery JavaScript Library v1.4.2
 * http://jquery.com/
 *
 * Copyright 2010, John Resig
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 * Copyright 2010, The Dojo Foundation
 * Released under the MIT, BSD, and GPL Licenses.
 *
 * Date: Sat Feb 13 22:33:48 2010 -0500
 */
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a.insertBefore(b,a.firstChild);d=b.firstChild;f=d.firstChild;e=d.nextSibling.firstChild.firstChild;this.doesNotAddBorder=f.offsetTop!==5;this.doesAddBorderForTableAndCells=e.offsetTop===5;f.style.position="fixed";f.style.top="20px";this.supportsFixedPosition=f.offsetTop===20||f.offsetTop===15;f.style.position=f.style.top="";d.style.overflow="hidden";d.style.position="relative";this.subtractsBorderForOverflowNotVisible=f.offsetTop===-5;this.doesNotIncludeMarginInBodyOffset=a.offsetTop!==j;a.removeChild(b);
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d,e);d={top:b.top-e.top+j,left:b.left-e.left+i};"using"in b?b.using.call(a,d):f.css(d)}};c.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),d=this.offset(),f=/^body|html$/i.test(b[0].nodeName)?{top:0,left:0}:b.offset();d.top-=parseFloat(c.curCSS(a,"marginTop",true))||0;d.left-=parseFloat(c.curCSS(a,"marginLeft",true))||0;f.top+=parseFloat(c.curCSS(b[0],"borderTopWidth",true))||0;f.left+=parseFloat(c.curCSS(b[0],"borderLeftWidth",true))||0;return{top:d.top-
f.top,left:d.left-f.left}},offsetParent:function(){return this.map(function(){for(var a=this.offsetParent||s.body;a&&!/^body|html$/i.test(a.nodeName)&&c.css(a,"position")==="static";)a=a.offsetParent;return a})}});c.each(["Left","Top"],function(a,b){var d="scroll"+b;c.fn[d]=function(f){var e=this[0],j;if(!e)return null;if(f!==w)return this.each(function(){if(j=wa(this))j.scrollTo(!a?f:c(j).scrollLeft(),a?f:c(j).scrollTop());else this[d]=f});else return(j=wa(e))?"pageXOffset"in j?j[a?"pageYOffset":
"pageXOffset"]:c.support.boxModel&&j.document.documentElement[d]||j.document.body[d]:e[d]}});c.each(["Height","Width"],function(a,b){var d=b.toLowerCase();c.fn["inner"+b]=function(){return this[0]?c.css(this[0],d,false,"padding"):null};c.fn["outer"+b]=function(f){return this[0]?c.css(this[0],d,false,f?"margin":"border"):null};c.fn[d]=function(f){var e=this[0];if(!e)return f==null?null:this;if(c.isFunction(f))return this.each(function(j){var i=c(this);i[d](f.call(this,j,i[d]()))});return"scrollTo"in
e&&e.document?e.document.compatMode==="CSS1Compat"&&e.document.documentElement["client"+b]||e.document.body["client"+b]:e.nodeType===9?Math.max(e.documentElement["client"+b],e.body["scroll"+b],e.documentElement["scroll"+b],e.body["offset"+b],e.documentElement["offset"+b]):f===w?c.css(e,d):this.css(d,typeof f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window);
jQuery.noConflict();
/*!
 * jQuery Text Overflow v0.7
 *
 * Licensed under the new BSD License.
 * Copyright 2009-2010, Bram Stein
 * All rights reserved.
 */
/* from http://www.bramstein.com/projects/text-overflow */
/* Local Tableau Modifications were to replace '$' with 'jQuery' per http://docs.jquery.com/Using_jQuery_with_Other_Libraries */
/*global jQuery, document, setInterval*/
(function (jQuery) {
        var style = document.documentElement.style,
        hasTextOverflow = ('textOverflow' in style || 'OTextOverflow' in style),

                domSplit = function (root, maxIndex) {
                        var index = 0, result = [],
                                domSplitAux = function (nodes) {
                                        var i = 0, tmp;

                                        if (index > maxIndex) {
                                                return;
                                        }

                                        for (i = 0; i < nodes.length; i += 1) {
                                                if (nodes[i].nodeType === 1) {
                                                        tmp = nodes[i].cloneNode(false);
                                                        result[result.length - 1].appendChild(tmp);
                                                        result.push(tmp);
                                                        domSplitAux(nodes[i].childNodes);
                                                        result.pop();
                                                } else if (nodes[i].nodeType === 3) {
                                                        if (index + nodes[i].length < maxIndex) {
                                                                result[result.length - 1].appendChild(nodes[i].cloneNode(false));
                                                        } else {
                                                                tmp = nodes[i].cloneNode(false);
                                                                tmp.textContent = jQuery.trim(tmp.textContent.substring(0, maxIndex - index));
                                                                result[result.length - 1].appendChild(tmp);
                                                        }
                                                        index += nodes[i].length;
                                                } else {
                                                        result.appendChild(nodes[i].cloneNode(false));
                                                }
                                        }
                                };
                        result.push(root.cloneNode(false));
                        domSplitAux(root.childNodes);
                        return jQuery(result.pop().childNodes);
                };

        jQuery.extend(jQuery.fn, {
        textOverflow: function (str, autoUpdate) {
            var more = str || '&#x2026;';

            if (!hasTextOverflow) {
                return this.each(function () {
                    var element = jQuery(this),

                        // the clone element we modify to measure the width
                        clone = element.clone(),

                        // we save a copy so we can restore it if necessary
                        originalElement = element.clone(),
                        originalText = element.text(),
                        originalWidth = element.width(),
                        low = 0, mid = 0,
                        high = originalText.length,
                        reflow = function () {
                            if (originalWidth !== element.width()) {
                                element.replaceWith(originalElement);
                                element = originalElement;
                                originalElement = element.clone();
                                element.textOverflow(str, false);
                                originalWidth = element.width();
                            }
                        };

                    element.after(clone.hide().css({
                                                'position': 'absolute',
                                                'width': 'auto',
                                                'overflow': 'visible',
                                                'max-width': 'inherit'
                                        }));

                    if (clone.width() > originalWidth) {
                        while (low < high) {
                            mid = Math.floor(low + ((high - low) / 2));
                                                        clone.empty().append(domSplit(originalElement.get(0), mid)).append(more);
                            if (clone.width() < originalWidth) {
                                low = mid + 1;
                            } else {
                                high = mid;
                            }
                        }

                        if (low < originalText.length) {
                                                        element.empty().append(domSplit(originalElement.get(0), low - 1)).append(more);
                        }
                    }
                    clone.remove();

                    if (autoUpdate) {
                        setInterval(reflow, 200);
                    }
                });
            } else {
                return this;
            }
        }
        });
})(jQuery);

/*
 * jQuery Autocomplete plugin 1.1
 *
 * Copyright (c) 2009 Jörn Zaefferer
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.autocomplete.js 15 2009-08-22 10:30:27Z joern.zaefferer $
 */

;(function($) {
  
$.fn.extend({
  autocomplete: function(urlOrData, options) {
    var isUrl = typeof urlOrData == "string";
    options = $.extend({}, $.Autocompleter.defaults, {
      url: isUrl ? urlOrData : null,
      data: isUrl ? null : urlOrData,
      delay: isUrl ? $.Autocompleter.defaults.delay : 10,
      max: options && !options.scroll ? 10 : 150
    }, options);
    
    // if highlight is set to false, replace it with a do-nothing function
    options.highlight = options.highlight || function(value) { return value; };
    
    // if the formatMatch option is not specified, then use formatItem for backwards compatibility
    options.formatMatch = options.formatMatch || options.formatItem;
    
    return this.each(function() {
      new $.Autocompleter(this, options);
    });
  },
  result: function(handler) {
    return this.bind("result", handler);
  },
  search: function(handler) {
    return this.trigger("search", [handler]);
  },
  query: function(handler) {
    return this.trigger("query", [handler]);
  },
  flushCache: function() {
    return this.trigger("flushCache");
  },
  setOptions: function(options){
    return this.trigger("setOptions", [options]);
  },
  unautocomplete: function() {
    return this.trigger("unautocomplete");
  }
});

$.Autocompleter = function(input, options) {

  var KEY = {
    UP: 38,
    DOWN: 40,
    DEL: 46,
    TAB: 9,
    RETURN: 13,
    ESC: 27,
    COMMA: 188,
    PAGEUP: 33,
    PAGEDOWN: 34,
    BACKSPACE: 8
  };

  // Create $ object for input element
  var $input = $(input).attr("autocomplete", "off").addClass(options.inputClass);

  // BUGZID: 31722, 31733
  // Most browsers don't fire a mouseup when clicking on a scrollbar
  // so need a way to hide results since config.mouseDownOnSelect will
  // remain true and won't close in blur on line 183
  $('body').click(function() { hideResults(); });

  var timeout;
  var previousValue = "";
  var cache = $.Autocompleter.Cache(options);
  var hasFocus = 0;
  var lastKeyPressCode;
  var config = {
    mouseDownOnSelect: false
  };
  var select = $.Autocompleter.Select(options, input, selectCurrent, config);

  /* set up clear button */
  if (options.clearTarget) {
    var clearBtn = $.Autocompleter.Clear(options, input);
  }
  
  var blockSubmit;
  
  // prevent form submit in opera when selecting with return key
  $.browser.opera && $(input.form).bind("submit.autocomplete", function() {
    if (blockSubmit) {
      blockSubmit = false;
      return false;
    }
  });
  
  // only opera doesn't trigger keydown multiple times while pressed, others don't work with keypress at all
  $input.bind(($.browser.opera ? "keypress" : "keydown") + ".autocomplete", function(event) {
    /* this line is specifically for the more groups popup */
        $('#moreGroupsTable [value=OK]').attr('disabled', 'disabled');
    // a keypress means the input has focus
    // avoids issue where input had focus before the autocomplete was applied
    hasFocus = 1;
    // track last key pressed
    lastKeyPressCode = event.keyCode;
    switch(event.keyCode) {
    
      case KEY.UP:
        event.preventDefault();
        if ( select.visible() ) {
          select.prev();
        } else {
          onChange(0, true);
        }
        break;
        
      case KEY.DOWN:
        event.preventDefault();
        if ( select.visible() ) {
          select.next();
        } else {
          onChange(0, true);
        }
        break;
        
      case KEY.PAGEUP:
        event.preventDefault();
        if ( select.visible() ) {
          select.pageUp();
        } else {
          onChange(0, true);
        }
        break;
        
      case KEY.PAGEDOWN:
        event.preventDefault();
        if ( select.visible() ) {
          select.pageDown();
        } else {
          onChange(0, true);
        }
        break;
      
      // matches also semicolon
      case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA:
      case KEY.TAB:
      case KEY.RETURN:
        if( selectCurrent() ) {
          // stop default to prevent a form submit, Opera needs special handling
          event.preventDefault();
          blockSubmit = true;
          return false;
        }
        break;
        
      case KEY.ESC:
        select.hide();
        break;
        
      default:
        clearTimeout(timeout);
        timeout = setTimeout(onChange, options.delay);
        break;
    }
  }).focus(function(){
    // track whether the field has focus, we shouldn't process any
    // results if the field no longer has focus
    hasFocus++;
    /* For simulating drop-down behaviour */
    if ( options.minChars == 0 ) {
      onChange(0, true);
    }
  }).blur(function() {
    hasFocus = 0;
    if (!config.mouseDownOnSelect) {
      hideResults();
    }
  }).click(function(event) {
    // show select when clicking in a focused field
    if ( hasFocus++ > 1 && !select.visible() ) {
      onChange(0, true);
    }
    // Prevents body from hiding results
    event.stopPropagation();
  }).bind("search", function() {
    // TODO why not just specifying both arguments?
    var fn = (arguments.length > 1) ? arguments[1] : null;
    function findValueCallback(s, data) {
      var result;
      if( data && data.length ) {
        for (var i=0; i < data.length; i++) {
          if( data[i].result.toLowerCase() == q.toLowerCase() ) {
            result = data[i];
            break;
          }
        }
      }
      if( typeof fn == "function" ) fn(result);
      else $input.trigger("result", result && [result.data, result.value]);
    }
    $.each(trimWords($input.val()), function(i, value) {
      request(value, findValueCallback, findValueCallback);
    });
  }).bind("query", function(params) {
    $input.focus().val('View All').css('color', '');
    manualQuery('viewallquery');
  }).bind("flushCache", function() {
    cache.flush();
  }).bind("setOptions", function() {
    $.extend(options, arguments[1]);
    // if we've updated the data, repopulate
    if ( "data" in arguments[1] )
      cache.populate();
  }).bind("unautocomplete", function() {
    select.unbind();
    $input.unbind();
    $(input.form).unbind(".autocomplete");
  });
  
  function selectCurrent() {
    var selected = select.selected();
    if( !selected )
      return false;
    
    var v = selected.result;
    var value = selected.data[1] - 0;
    previousValue = v;
    
    if ( options.multiple ) {
      var words = trimWords($input.val());
      if ( words.length > 1 ) {
        var seperator = options.multipleSeparator.length;
        var cursorAt = $(input).selection().start;
        var wordAt, progress = 0;
        $.each(words, function(i, word) {
          progress += word.length;
          if (cursorAt <= progress) {
            wordAt = i;
            return false;
          }
          progress += seperator;
        });
        words[wordAt] = v;
        // TODO this should set the cursor to the right position, but it gets overriden somewhere
        //$.Autocompleter.Selection(input, progress + seperator, progress + seperator);
        v = words.join( options.multipleSeparator );
      }
      v += options.multipleSeparator;
    }
    
    if(value !== -1)
      $input.val(v);
    $input.css('color', '');
    hideResultsNow();
    $input.trigger("result", [selected.data, selected.value]);
    return true;
  }

  function manualQuery(term) {
    $input.addClass(options.loadingClass);
    request(term, receiveData, hideResultsNow, {all: 'yes', s:''});
  };
  
  function onChange(crap, skipPrevCheck) {
    if( lastKeyPressCode == KEY.DEL ) {
      select.hide();
      return;
    }
    
    var currentValue = $input.val();
    
    if ( !skipPrevCheck && currentValue == previousValue )
      return;
    
    previousValue = currentValue;
    
    currentValue = lastWord(currentValue);
    if ( currentValue.length >= options.minChars) {
      $input.addClass(options.loadingClass);
      if (!options.matchCase)
        currentValue = currentValue.toLowerCase();
      request(currentValue, receiveData, hideResultsNow);
    } else {
      stopLoading();
      select.hide();
    }
  };
  
  function trimWords(value) {
    if (!value)
      return [""];
    if (!options.multiple)
      return [$.trim(value)];
    return $.map(value.split(options.multipleSeparator), function(word) {
      return $.trim(value).length ? $.trim(word) : null;
    });
  }
  
  function lastWord(value) {
    if ( !options.multiple )
      return value;
    var words = trimWords(value);
    if (words.length == 1) 
      return words[0];
    var cursorAt = $(input).selection().start;
    if (cursorAt == value.length) {
      words = trimWords(value)
    } else {
      words = trimWords(value.replace(value.substring(cursorAt), ""));
    }
    return words[words.length - 1];
  }
  
  // fills in the input box w/the first match (assumed to be the best match)
  // q: the term entered
  // sValue: the first matching result
  function autoFill(q, sValue){
    // autofill in the complete box w/the first match as long as the user hasn't entered in more data
    // if the last user key pressed was backspace, don't autofill
    if( options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE ) {
      // fill in the value (keep the case the user has typed)
      $input.val($input.val() + sValue.substring(lastWord(previousValue).length));
      // select the portion of the value not typed by the user (so the next character will erase)
      $(input).selection(previousValue.length, previousValue.length + sValue.length);
    }
  };

  function hideResults() {
    clearTimeout(timeout);
    timeout = setTimeout(hideResultsNow, 200);
  };

  function hideResultsNow() {
    var wasVisible = select.visible();
    options.hideCallback();
    clearTimeout(timeout);
    stopLoading();
    if( !options.autoHideList ) {
      return false;
    }
    select.hide();
    if (options.mustMatch) {
      // call search and run callback
      $input.search(
        function (result){
          // if no value found, clear the input box
          if( !result ) {
            if (options.multiple) {
              var words = trimWords($input.val()).slice(0, -1);
              $input.val( words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : "") );
            }
            else {
              $input.val( "" );
              $input.trigger("result", null);
            }
          }
        }
      );
    }
  };

  function receiveData(q, data) {
    if ( data && data.length && hasFocus ) {
      stopLoading();
      select.display(data, q);
      autoFill(q, data[0].value);
      select.show();
      options.showCallback();
    } else {
      hideResultsNow();
    }
  };

  function request(term, success, failure, manualParams) {
    if (!options.matchCase)
      term = term.toLowerCase();
    var data = cache.load(term);
    // receive the cached data
    if (data && data.length) {
      success(term, data);
    // if an AJAX url has been supplied, try loading the data now
    } else if( (typeof options.url == "string") && (options.url.length > 0) ){
      
      var extraParams = {
        timestamp: +new Date()
      };
      $.each(options.extraParams, function(key, param) {
        extraParams[key] = typeof param == "function" ? param() : param;
      });
      // If defined, show the throbber  
      if(typeof hide_spinner === 'function') show_spinner();
      $.ajax({
        // try to leverage ajaxQueue plugin to abort previous requests
        mode: "abort",
        // limit abortion to this input
        port: "autocomplete" + input.name,
        dataType: options.dataType,
        url: options.url,
        data: $.extend({
          s: lastWord(term),
          limit: options.max
        }, extraParams),
        error: function(xhr, ajaxOptions, thrownError) {
          if(xhr.status == 401) {
            sessionTimeoutSuggestLogin();
          }
        },
        success: function(data) {
          // If defined, hide the throbber  
          if(typeof hide_spinner === 'function') hide_spinner();
          var parsed = options.parse && options.parse(data) || parse(data);
          cache.add(term, parsed);
          success(term, parsed);
        }
      });
    } else {
      // if we have a failure, we need to empty the list -- this prevents the the [TAB] key from selecting the last successful match
      select.emptyList();
      failure(term);
    }
  };
  
  function parse(data) {
    var parsed = [];
    var rows = data.split("\n");
    for (var i=0; i < rows.length; i++) {
      var row = $.trim(rows[i]);
      if (row) {
        row = row.split("|");
        if( row[1] !== undefined ) {
          parsed[parsed.length] = {
            data: row,
            value: row[2],
            result: options.formatResult && options.formatResult(row, row[2]) || row[2]
          };
        }
      }
    }
    if(parsed.length === 0) {
      parsed[0] = {
        data: ['warning', -1, wgappStrings.Strings.no_result_string],
        value: wgappStrings.Strings.no_result_string, 
        result:options.formatResult && options.formatResult(row, wgappStrings.Strings.no_result_string) || wgappStrings.Strings.no_result_string
      }
    }
    return parsed;
  };

  function stopLoading() {
    $input.removeClass(options.loadingClass);
  };

};

$.Autocompleter.defaults = {
  inputClass: "ac_input",
  resultsClass: "ac_results",
  loadingClass: "",
  minChars: 1,
  delay: 400,
  matchCase: false,
  matchSubset: true,
  matchContains: false,
  cacheLength: 10,
  max: 100,
  mustMatch: false,
  extraParams: {},
  selectFirst: true,
  formatItem: function(row) { return row[2]; },
  formatMatch: null,
  autoFill: false,
  width: 0,
  multiple: false,
  multipleSeparator: ", ",
  /*highlight: function(value, term) {
    return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
  },*/
  highlight: function(value, term) { return value; },
  scroll: false,
  scrollHeight: 180,
  /* Custom defaults */
  autoHideList: true,
  appendTarget: false,
  hideCallback: function() { },
  selectCallback: function() { },
  showCallback: function() { },
  clearCallback: function() { }
};

$.Autocompleter.Cache = function(options) {

  var data = {};
  var length = 0;
  
  function matchSubset(s, sub) {
    if (!options.matchCase) 
      s = s.toLowerCase();
    var i = s.indexOf(sub);
    if (options.matchContains == "word"){
      i = s.toLowerCase().search("\\b" + sub.toLowerCase());
    }
    if (i == -1) return false;
    return i == 0 || options.matchContains;
  };
  
  function add(q, value) {
    if (length > options.cacheLength){
      flush();
    }
    if (!data[q]){ 
      length++;
    }
    data[q] = value;
  }
  
  function populate(){
    if( !options.data ) return false;
    // track the matches
    var stMatchSets = {},
      nullData = 0;

    // no url was specified, we need to adjust the cache length to make sure it fits the local data store
    if( !options.url ) options.cacheLength = 1;
    
    // track all options for minChars = 0
    stMatchSets[""] = [];
    
    // loop through the array and create a lookup structure
    for ( var i = 0, ol = options.data.length; i < ol; i++ ) {
      var rawValue = options.data[i];
      // if rawValue is a string, make an array otherwise just reference the array
      rawValue = (typeof rawValue == "string") ? [rawValue] : rawValue;
      
      var value = options.formatMatch(rawValue, i+1, options.data.length);
      if ( value === false )
        continue;
        
      var firstChar = value.charAt(0).toLowerCase();
      // if no lookup array for this character exists, look it up now
      if( !stMatchSets[firstChar] ) 
        stMatchSets[firstChar] = [];

      // if the match is a string
      var row = {
        value: value,
        data: rawValue,
        result: options.formatResult && options.formatResult(rawValue) || value
      };
      
      // push the current match into the set list
      stMatchSets[firstChar].push(row);

      // keep track of minChars zero items
      if ( nullData++ < options.max ) {
        stMatchSets[""].push(row);
      }
    };

    // add the data items to the cache
    $.each(stMatchSets, function(i, value) {
      // increase the cache size
      options.cacheLength++;
      // add to the cache
      add(i, value);
    });
  }
  
  // populate any existing data
  setTimeout(populate, 25);
  
  function flush(){
    data = {};
    length = 0;
  }
  
  return {
    flush: flush,
    add: add,
    populate: populate,
    load: function(q) {
      if (!options.cacheLength || !length)
        return null;
      /* 
       * if dealing w/local data and matchContains than we must make sure
       * to loop through all the data collections looking for matches
       */
      if( !options.url && options.matchContains ){
        // track all matches
        var csub = [];
        // loop through all the data grids for matches
        for( var k in data ){
          // don't search through the stMatchSets[""] (minChars: 0) cache
          // this prevents duplicates
          if( k.length > 0 ){
            var c = data[k];
            $.each(c, function(i, x) {
              // if we've got a match, add it to the array
              if (matchSubset(x.value, q)) {
                csub.push(x);
              }
            });
          }
        }       
        return csub;
      } else 
      // if the exact item exists, use it
      if (data[q]) {
        return data[q];
      } else
      if (options.matchSubset) {
        for (var i = q.length - 1; i >= options.minChars; i--) {
          var c = data[q.substr(0, i)];
          if (c) {
            var csub = [];
            $.each(c, function(i, x) {
              if (matchSubset(x.value, q)) {
                csub[csub.length] = x;
              }
            });
            return csub;
          }
        }
      }
      return null;
    }
  };
};

$.Autocompleter.Clear = function (options, input) {
  $clear = $(options.clearTarget);
  $clear.bind("click", function(event) {
    $(input).val('').focus();
    options.clearCallback();
  });
}

$.Autocompleter.Select = function (options, input, select, config) {
  var CLASSES = {
    ACTIVE: "ac_over"
  };
  
  var listItems,
    active = -1,
    data,
    term = "",
    needsInit = true,
    element,
    list;
  
  // Create results
  function init() {
    var appendTarget = options.appendTarget ? $(options.appendTarget) : document.body;
    if (!needsInit)
      return;
    element = $("<div/>")
    .hide()
    .addClass(options.resultsClass)
    .css("position", "absolute")
    .appendTo(appendTarget);
  
    list = $("<ul/>").appendTo(element).mouseover( function(event) {
      if(target(event).nodeName && target(event).nodeName.toUpperCase() == 'LI') {
              active = $("li", list).removeClass(CLASSES.ACTIVE).index(target(event));
          $(target(event)).addClass(CLASSES.ACTIVE);            
          }
    }).click(function(event) {
      $(target(event)).addClass(CLASSES.ACTIVE);
      select();
      // TODO provide option to avoid setting focus again after selection? useful for cleanup-on-focus
      // input.focus();
      // Prevents body from hiding results
      event.stopPropagation();
      return false;
    }).mousedown(function() {
      config.mouseDownOnSelect = true;
    }).mouseup(function() {
      config.mouseDownOnSelect = false;
    });
    
    if( options.width > 0 )
      element.css("width", options.width);
      
    needsInit = false;
  } 
  
  function target(event) {
    var element = event.target;
    while(element && element.tagName != "LI")
      element = element.parentNode;
    // more fun with IE, sometimes event.target is empty, just ignore it then
    if(!element)
      return [];
    return element;
  }

  function moveSelect(step) {
    listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE);
    movePosition(step);
    var activeItem = listItems.slice(active, active + 1).addClass(CLASSES.ACTIVE);
    if(options.scroll) {
      var offset = 0;
      listItems.slice(0, active).each(function() {
          offset += this.offsetHeight;
          });
      if((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight) {
        list.scrollTop(offset + activeItem[0].offsetHeight - list.innerHeight());
      } else if(offset < list.scrollTop()) {
        list.scrollTop(offset);
      }
    }
  };
  
  function movePosition(step) {
    active += step;
    if (active < 0) {
      active = listItems.size() - 1;
    } else if (active >= listItems.size()) {
      active = 0;
    }
  }
  
  function limitNumberOfItems(available) {
    return options.max && options.max < available
      ? options.max
      : available;
  }
  
  function fillList() {
    list.empty();
    var max = limitNumberOfItems(data.length);
    for (var i=0; i < max; i++) {
      if (!data[i])
        continue;
      var formatted = options.formatItem(data[i].data, i+1, max, data[i].value, term);
      if ( formatted === false )
        continue;
      var li = $("<li/>").html( options.highlight(formatted, term) )
        .addClass((i%2==0 ? 'ac_even ' : 'ac_odd ') + data[i].data[0])
        .appendTo(list)[0];
      $.data(li, "ac_data", data[i]);
    }
    listItems = list.find("li");
    if ( options.selectFirst ) {
      listItems.slice(0, 1).addClass(CLASSES.ACTIVE);
      active = 0;
    }
    // apply bgiframe if available
    if ( $.fn.bgiframe )
      list.bgiframe();
  }
  
  return {
    display: function(d, q) {
      init();
      data = d;
      term = q;
      fillList();
    },
    next: function() {
      moveSelect(1);
    },
    prev: function() {
      moveSelect(-1);
    },
    pageUp: function() {
      if (active != 0 && active - 8 < 0) {
        moveSelect( -active );
      } else {
        moveSelect(-8);
      }
    },
    pageDown: function() {
      if (active != listItems.size() - 1 && active + 8 > listItems.size()) {
        moveSelect( listItems.size() - 1 - active );
      } else {
        moveSelect(8);
      }
    },
    hide: function() {
      element && element.hide();
      listItems && listItems.removeClass(CLASSES.ACTIVE);
      active = -1;
    },
    visible : function() {
      return element && element.is(":visible");
    },
    current: function() {
      return this.visible() && (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst && listItems[0]);
    },
    show: function() {
      var offset = $(input).offset();
      element.css({
        width: typeof options.width == "string" || options.width > 0 ? options.width : $(input).width(),
        top: options.appendTarget ? 'auto' : offset.top + input.offsetHeight,
        left: options.appendTarget ? 'auto' : offset.left
      }).show();
      if(options.scroll) {
        list.scrollTop(0);
        list.css({
          maxHeight: options.scrollHeight,
          overflow: 'auto'
        });
        
        if($.browser.msie && typeof document.body.style.maxHeight === "undefined") {
          var listHeight = 0;
          listItems.each(function() {
              listHeight += this.offsetHeight;
              });
          var scrollbarsVisible = listHeight > options.scrollHeight;
          list.css('height', scrollbarsVisible ? options.scrollHeight : listHeight );
          if (!scrollbarsVisible) {
            // IE doesn't recalculate width when scrollbar disappears
            listItems.width( list.width() - parseInt(listItems.css("padding-left")) - parseInt(listItems.css("padding-right")) );
          }
        }
                
      }
    },
    selected: function() {
      var selected = listItems && listItems.filter("." + CLASSES.ACTIVE).removeClass(CLASSES.ACTIVE);
      return selected && selected.length && $.data(selected[0], "ac_data");
    },
    emptyList: function (){
      list && list.empty();
    },
    unbind: function() {
      element && element.remove();
    }
  };
};

$.fn.selection = function(start, end) {
  if (start !== undefined) {
    return this.each(function() {
      if( this.createTextRange ){
        var selRange = this.createTextRange();
        if (end === undefined || start == end) {
          selRange.move("character", start);
          selRange.select();
        } else {
          selRange.collapse(true);
          selRange.moveStart("character", start);
          selRange.moveEnd("character", end);
          selRange.select();
        }
      } else if( this.setSelectionRange ){
        this.setSelectionRange(start, end);
      } else if( this.selectionStart ){
        this.selectionStart = start;
        this.selectionEnd = end;
      }
    });
  }
  var field = this[0];
  if ( field.createTextRange ) {
    var range = document.selection.createRange(),
      orig = field.value,
      teststring = "<->",
      textLength = range.text.length;
    range.text = teststring;
    var caretAt = field.value.indexOf(teststring);
    field.value = orig;
    this.selection(caretAt, caretAt + textLength);
    return {
      start: caretAt,
      end: caretAt + textLength
    }
  } else if( field.selectionStart !== undefined ){
    return {
      start: field.selectionStart,
      end: field.selectionEnd
    }
  }
};

})(jQuery);