<!--


function Marquee()
{
	this.ID = document.getElementById(arguments[0]);
	if(!this.ID)
	{
		alert("您要设置的\"" + arguments[0] + "\"初始化错误\r\n请检查标签ID设置是否正确!");
		this.ID = -1;
		return;
	}
	this.Direction = this.Width = this.Height = this.DelayTime = this.WaitTime = this.Correct = this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
	this.Step = 1;
	this.Timer = 30;
	this.DirectionArray = {"top":0 , "bottom":1 , "left":2 , "right":3};
	if(typeof arguments[1] == "number" || typeof arguments[1] == "string")this.Direction = arguments[1];
	if(typeof arguments[2] == "number")this.Step = arguments[2];
	if(typeof arguments[3] == "number")this.Width = arguments[3];
	if(typeof arguments[4] == "number")this.Height = arguments[4];
	if(typeof arguments[5] == "number")this.Timer = arguments[5];
	if(typeof arguments[6] == "number")this.DelayTime = arguments[6];
	if(typeof arguments[7] == "number")this.WaitTime = arguments[7];
	if(typeof arguments[8] == "number")this.ScrollStep = arguments[8]
	this.ID.style.overflow = this.ID.style.overflowX = this.ID.style.overflowY = "hidden";
	this.ID.noWrap = true;
	this.IsNotOpera = (navigator.userAgent.toLowerCase().indexOf("opera") == -1);
	if(arguments.length >= 7)this.Start();
}


Marquee.prototype.Start = function()
{
	if(this.ID == -1)return;
	if(this.WaitTime < 800)this.WaitTime = 800;
	if(this.Timer < 20)this.Timer = 20;
	if(this.Width == 0)this.Width = parseInt(this.ID.style.width);
	if(this.Height == 0)this.Height = parseInt(this.ID.style.height);
	if(typeof this.Direction == "string")this.Direction = this.DirectionArray[this.Direction.toString().toLowerCase()];
	this.HalfWidth = Math.round(this.Width / 2);
	this.HalfHeight = Math.round(this.Height / 2);
	this.BakStep = this.Step;
	this.ID.style.width = this.Width + "px";
	this.ID.style.height = this.Height + "px";
	if(typeof this.ScrollStep != "number")this.ScrollStep = this.Direction > 1 ? this.Width : this.Height;
	var msobj = this;
	var timer = this.Timer;
	var delaytime = this.DelayTime;
	var waittime = this.WaitTime;
	msobj.StartID = function(){msobj.Scroll()}
	msobj.Continue = function()
				{
					if(msobj.MouseOver == 1)
					{
						setTimeout(msobj.Continue,delaytime);
					}
					else
					{	clearInterval(msobj.TimerID);
						msobj.CTL = msobj.Stop = 0;
						msobj.TimerID = setInterval(msobj.StartID,timer);
					}
				}

	msobj.Pause = function()
			{
				msobj.Stop = 1;
				clearInterval(msobj.TimerID);
				setTimeout(msobj.Continue,delaytime);
			}

	msobj.Begin = function()
		{
			msobj.ClientScroll = msobj.Direction > 1 ? msobj.ID.scrollWidth : msobj.ID.scrollHeight;
			if((msobj.Direction <= 1 && msobj.ClientScroll <= msobj.Height + msobj.Step) || (msobj.Direction > 1 && msobj.ClientScroll <= msobj.Width + msobj.Step))return;
			msobj.ID.innerHTML += msobj.ID.innerHTML;
			msobj.TimerID = setInterval(msobj.StartID,timer);
			if(msobj.ScrollStep < 0)return;
			msobj.ID.onmousemove = function(event)
						{
							if(msobj.ScrollStep == 0 && msobj.Direction > 1)
							{
								var event = event || window.event;
								if(window.event)
								{
									if(msobj.IsNotOpera)
									{
										msobj.EventLeft = event.srcElement.id == msobj.ID.id ? event.offsetX - msobj.ID.scrollLeft : event.srcElement.offsetLeft - msobj.ID.scrollLeft + event.offsetX;
									}
									else
									{
										msobj.ScrollStep = null;
										return;
									}
								}
								else
								{
									msobj.EventLeft = event.layerX - msobj.ID.scrollLeft;
								}
								msobj.Direction = msobj.EventLeft > msobj.HalfWidth ? 3 : 2;
								msobj.AbsCenter = Math.abs(msobj.HalfWidth - msobj.EventLeft);
								msobj.Step = Math.round(msobj.AbsCenter * (msobj.BakStep*2) / msobj.HalfWidth);
							}
						}
			msobj.ID.onmouseover = function()
						{
							if(msobj.ScrollStep == 0)return;
							msobj.MouseOver = 1;
							clearInterval(msobj.TimerID);
						}
			msobj.ID.onmouseout = function()
						{
							if(msobj.ScrollStep == 0)
							{
								if(msobj.Step == 0)msobj.Step = 1;
								return;
							}
							msobj.MouseOver = 0;
							if(msobj.Stop == 0)
							{
								clearInterval(msobj.TimerID);
								msobj.TimerID = setInterval(msobj.StartID,timer);
							}
						}
		}
	setTimeout(msobj.Begin,waittime);
}

Marquee.prototype.Scroll = function()
{
	switch(this.Direction)
	{
		case 0:
			this.CTL += this.Step;
			if(this.CTL >= this.ScrollStep && this.DelayTime > 0)
			{
				this.ID.scrollTop += this.ScrollStep + this.Step - this.CTL;
				this.Pause();
				return;
			}
			else
			{
				if(this.ID.scrollTop >= this.ClientScroll)
				{
					this.ID.scrollTop -= this.ClientScroll;
				}
				this.ID.scrollTop += this.Step;
			}
		break;

		case 1:
			this.CTL += this.Step;
			if(this.CTL >= this.ScrollStep && this.DelayTime > 0)
			{
				this.ID.scrollTop -= this.ScrollStep + this.Step - this.CTL;
				this.Pause();
				return;
			}
			else
			{
				if(this.ID.scrollTop <= 0)
				{
					this.ID.scrollTop += this.ClientScroll;
				}
				this.ID.scrollTop -= this.Step;
			}
		break;

		case 2:
			this.CTL += this.Step;
			if(this.CTL >= this.ScrollStep && this.DelayTime > 0)
			{
				this.ID.scrollLeft += this.ScrollStep + this.Step - this.CTL;
				this.Pause();
				return;
			}
			else
			{
				if(this.ID.scrollLeft >= this.ClientScroll)
				{
					this.ID.scrollLeft -= this.ClientScroll;
				}
				this.ID.scrollLeft += this.Step;
			}
		break;

		case 3:
			this.CTL += this.Step;
			if(this.CTL >= this.ScrollStep && this.DelayTime > 0)
			{
				this.ID.scrollLeft -= this.ScrollStep + this.Step - this.CTL;
				this.Pause();
				return;
			}
			else
			{
				if(this.ID.scrollLeft <= 0)
				{
					this.ID.scrollLeft += this.ClientScroll;
				}
				this.ID.scrollLeft -= this.Step;
			}
		break;
	}
}

var Prototype = {
  Version: '1.6.0.2',

  Browser: {
    IE:     !!(window.attachEvent && !window.opera),
    Opera:  !!window.opera,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      document.createElement('div').__proto__ &&
      document.createElement('div').__proto__ !==
        document.createElement('form').__proto__
  },

  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;


/* Based on Alex Arnell's inheritance implementation. */
var Class = {
  create: function() {
    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) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

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

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

    klass.prototype.constructor = klass;

    return klass;
  }
};

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

    if (!Object.keys({ toString: true }).length)
      properties.push("toString", "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().first() == "$super") {
        var method = value, value = Object.extend((function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method), {
          valueOf:  function() { return method },
          toString: function() { return method.toString() }
        });
      }
      this.prototype[property] = value;
    }

    return this;
  }
};

var Abstract = { };

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

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (Object.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;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (!Object.isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  },

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

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

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

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

  clone: function(object) {
    return Object.extend({ }, object);
  },

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

  isArray: function(object) {
    return object != null && typeof object == "object" &&
      'splice' in object && 'join' in object;
  },

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

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

  isString: function(object) {
    return typeof object == "string";
  },

  isNumber: function(object) {
    return typeof object == "number";
  },

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

Object.extend(Function.prototype, {
  argumentNames: function() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");
    return names.length == 1 && !names[0] ? [] : names;
  },

  bind: function() {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
      return __method.apply(object, args.concat($A(arguments)));
    }
  },

  bindAsEventListener: function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
      return __method.apply(object, [event || window.event].concat(args));
    }
  },

  curry: function() {
    if (!arguments.length) return this;
    var __method = this, args = $A(arguments);
    return function() {
      return __method.apply(this, args.concat($A(arguments)));
    }
  },

  delay: function() {
    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  },

  wrap: function(wrapper) {
    var __method = this;
    return function() {
      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
    }
  },

  methodize: function() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      return __method.apply(null, [this].concat($A(arguments)));
    };
  }
});

Function.prototype.defer = Function.prototype.delay.curry(0.01);

Date.prototype.toJSON = function() {
  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"';
};

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;
  }
};

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();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
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, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(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;
  },

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

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

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

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

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

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

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

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

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

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = new Element('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(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());
        var 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;
    });
  },

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

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

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

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

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

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

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  isJSON: function() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

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

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

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

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

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

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

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  },
  unescapeHTML: function() {
    return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
  }
});

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

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

with (String.prototype.escapeHTML) div.appendChild(text);

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

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

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

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

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

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : 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 = {
  each: function(iterator, context) {
    var index = 0;
    iterator = iterator.bind(context);
    try {
      this._each(function(value) {
        iterator(value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

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

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

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

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

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

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

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

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

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

  include: function(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;
  },

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

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

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

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

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

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

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

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

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

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

  zip: function() {
    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));
    });
  },

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

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

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  $A = function(iterable) {
    if (!iterable) return [];
    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
        iterable.toArray) return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  };
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

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

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

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

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

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

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

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

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

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

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

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

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

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
  Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(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;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(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;
};

Array.prototype.toArray = Array.prototype.clone;

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

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

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

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

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

$w('abs round ceil floor').each(function(method){
  Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {

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

  return {
    initialize: function(object) {
      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
    },

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

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

    get: function(key) {
      return this._object[key];
    },

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

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

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

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

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

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

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

    toQueryString: function() {
      return this.map(function(pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

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

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

    toJSON: function() {
      return Object.toJSON(this.toObject());
    },

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

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

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

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

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

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.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else 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.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      // when GET, append parameters to URL
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    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';
    }

    // user-defined headers
    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') {
      // avoid memory leak in MSIE: clean up
      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 (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  // DOM level 2 ECMAScript Language Binding
  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() {
  var element = this.Element;
  this.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (Prototype.Browser.IE && 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));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(this.Element, element || { });
}).call(window);

Element.cache = { };

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).style.display = 'none';
    return element;
  },

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

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

  update: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);
    content = Object.toHTML(content);
    element.innerHTML = content.stripScripts();
    content.evalScripts.bind(content).defer();
    return element;
  },

  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();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

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

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

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

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

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

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

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

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

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

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

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },

  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = element.readAttribute('id'), self = arguments.callee;
    if (id) return id;
    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
    element.writeAttribute('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().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().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(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(className) ?
      'removeClassName' : 'addClassName'](className);
  },

  // removes whitespace-only text node children
  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);
    var originalAncestor = ancestor;

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

    if (element.sourceIndex && !Prototype.Browser.Opera) {
      var e = element.sourceIndex, a = ancestor.sourceIndex,
       nextAncestor = ancestor.nextSibling;
      if (!nextAncestor) {
        do { ancestor = ancestor.parentNode; }
        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
      }
      if (nextAncestor && nextAncestor.sourceIndex)
       return (e > a && e < nextAncestor.sourceIndex);
    }

    while (element = element.parentNode)
      if (element == originalAncestor) return true;
    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = element.cumulativeOffset();
    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) {
      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;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = $(element).getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (window.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;
  },

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

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'relative') return;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

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

  getOffsetParent: function(element) {
    if (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);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || element.tagName == 'BODY') {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

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

    // find page position of source
    source = $(source);
    var p = source.viewportOffset();

    // find coordinate system to use
    element = $(element);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    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;
  }
};

Element.Methods.identify.counter = 1;

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':
          // returns '0px' for hidden elements; we want it to return null
          if (!Element.visible(element)) return null;

          // returns the border-box dimensions rather than the content-box
          // dimensions, so we subtract padding and borders from the value
          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) {
  // IE doesn't report offsets correctly for static elements, so we change them
  // to "relative" to get the values, then change them back.
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      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;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        // Trigger hasLayout on the offset parent so that IE6 reports
        // accurate offsetTop and offsetLeft values for position: fixed.
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  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 = {
    read: {
      names: {
        'class': 'className',
        'for':   'htmlFor'
      },
      values: {
        _getAttr: function(element, attribute) {
          return element.getAttribute(attribute, 2);
        },
        _getAttrNode: function(element, attribute) {
          var node = element.getAttributeNode(attribute);
          return node ? node.value : "";
        },
        _getEv: function(element, attribute) {
          attribute = element.getAttribute(attribute);
          return attribute ? attribute.toString().slice(23, -2) : null;
        },
        _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').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr,
      src:         v._getAttr,
      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);
}

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

    return element;
  };

  // Safari returns margins on body which is incorrect if the child is absolutely
  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
  // KHTML/WebKit only.
  Element.Methods.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 Element._returnOffset(valueL, valueT);
  };
}

if (Prototype.Browser.IE || Prototype.Browser.Opera) {
  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
  Element.Methods.update = function(element, content) {
    element = $(element);

    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 in Element._insertionTranslations.tags) {
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
        .each(function(node) { element.appendChild(node) });
    }
    else element.innerHTML = content.stripScripts();

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

if ('outerHTML' in document.createElement('div')) {
  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();
      var 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];
    t[2].times(function() { 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() {
  Object.extend(this.tags, {
    THEAD: this.tags.TBODY,
    TFOOT: this.tags.TBODY,
    TH:    this.tags.TD
  });
}).call(Element._insertionTranslations);

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);

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

Element.extend = (function() {
  if (Prototype.BrowserFeatures.SpecificElementExtensions)
    return Prototype.K;

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

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

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

    // extend methods for specific tags
    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

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

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      // extend methods for all tags (Safari doesn't need this)
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

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

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

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];

    window[klass] = { };
    window[klass].prototype = document.createElement(tagName).__proto__;
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, 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() {
    var dimensions = { };
    var B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
        (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
    });
    return dimensions;
  },

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

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

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
  }
};
/* Portions of the Selector class are derived from Jack Slocumâs DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();
    this.compileMatcher();
  },

  shouldUseXPath: function() {
    if (!Prototype.BrowserFeatures.XPath) return false;

    var e = this.expression;

    // Safari 3 chokes on :*-of-type and :empty
    if (Prototype.Browser.WebKit &&
     (e.include("-of-type") || e.include(":empty")))
      return false;

    // XPath can't do namespaced attributes, nor can it read
    // the "checked" property from DOM nodes
    if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
      return false;

    return true;
  },

  compileMatcher: function() {
    if (this.shouldUseXPath())
      return this.compileXPathMatcher();

    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
    	      new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    if (this.xpath) return document._getElementsByXPath(this.xpath, root);
    return this.matcher(root);
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          // use the Selector.assertions methods unless the selector
          // is too complex.
          if (as[i]) {
            this.tokens.push([i, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            // reluctantly do a document-wide search
            // and look for a match in the array
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
      'checked':     "[@checked]",
      'disabled':    "[@disabled]",
      'enabled':     "[not(@disabled)]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i in p) {
            if (m = e.match(p[i])) {
              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    // combinators must be listed first
    // (and descendant needs to be last combinator)
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    // selectors follow
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
    attrPresence: /^\[([\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
  },

  // for Selector.match and Element#match
  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    // marks an array of nodes for counting
    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = undefined;
      return nodes;
    },

    // mark each child node with its position (for nth calls)
    // "ofType" flag indicates whether we're indexing for nth-of-type
    // rather than nth-child
    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    // filters out duplicates and extends all nodes
    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (!(n = nodes[i])._countedByPrototype) {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    // COMBINATOR FUNCTIONS
    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
	      if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    // TOKEN FUNCTIONS
    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          // fastlane for ordinary descendant combinators
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!targetNode) return [];
      if (!nodes && root == document) return [targetNode];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    // handles the an+b logic
    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        // IE treats comments as element nodes
        if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled) results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv.startsWith(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    // IE returns comment nodes on getElementsByTagName("*").
    // Filter them out.
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    },

    // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node.removeAttribute('_countedByPrototype');
      return nodes;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(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;

    var data = elements.inject({ }, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            // a key is already present; construct an array of values
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

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

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.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'].include(element.tagName.toLowerCase());
    });
  },

  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'].include(element.type)))
        element.select();
    } catch (e) { }
    return element;
  },

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

  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) {
    // extend element because hasAttribute may not be native
    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);
  }
});
if (!window.Event) var Event = { };

Object.extend(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: { },

  relatedTarget: function(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);
  }
});

Event.Methods = (function() {
  var isButton;

  if (Prototype.Browser.IE) {
    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);
    };
  }

  return {
    isLeftClick:   function(event) { return isButton(event, 0) },
    isMiddleClick: function(event) { return isButton(event, 1) },
    isRightClick:  function(event) { return isButton(event, 2) },

    element: function(event) {
      var node = Event.extend(event).target;
      return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
    },

    findElement: function(event, expression) {
      var element = Event.element(event);
      if (!expression) return element;
      var elements = [element].concat(element.ancestors());
      return Selector.findElement(elements, expression, 0);
    },

    pointer: function(event) {
      return {
        x: event.pageX || (event.clientX +
          (document.documentElement.scrollLeft || document.body.scrollLeft)),
        y: event.pageY || (event.clientY +
          (document.documentElement.scrollTop || document.body.scrollTop))
      };
    },

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

    stop: function(event) {
      Event.extend(event);
      event.preventDefault();
      event.stopPropagation();
      event.stopped = true;
    }
  };
})();

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

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

    return function(event) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);
      Object.extend(event, {
        target: event.srcElement,
        relatedTarget: Event.relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });
      return Object.extend(event, methods);
    };

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

Object.extend(Event, (function() {
  var cache = Event.cache;

  function getEventID(element) {
    if (element._prototypeEventID) return element._prototypeEventID[0];
    arguments.callee.id = arguments.callee.id || 1;
    return element._prototypeEventID = [++arguments.callee.id];
  }

  function getDOMEventName(eventName) {
    if (eventName && eventName.include(':')) return "dataavailable";
    return eventName;
  }

  function getCacheForID(id) {
    return cache[id] = cache[id] || { };
  }

  function getWrappersForEventName(id, eventName) {
    var c = getCacheForID(id);
    return c[eventName] = c[eventName] || [];
  }

  function createWrapper(element, eventName, handler) {
    var id = getEventID(element);
    var c = getWrappersForEventName(id, eventName);
    if (c.pluck("handler").include(handler)) return false;

    var wrapper = function(event) {
      if (!Event || !Event.extend ||
        (event.eventName && event.eventName != eventName))
          return false;

      Event.extend(event);
      handler.call(element, event);
    };

    wrapper.handler = handler;
    c.push(wrapper);
    return wrapper;
  }

  function findWrapper(id, eventName, handler) {
    var c = getWrappersForEventName(id, eventName);
    return c.find(function(wrapper) { return wrapper.handler == handler });
  }

  function destroyWrapper(id, eventName, handler) {
    var c = getCacheForID(id);
    if (!c[eventName]) return false;
    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
  }

  function destroyCache() {
    for (var id in cache)
      for (var eventName in cache[id])
        cache[id][eventName] = null;
  }

  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

  return {
    observe: function(element, eventName, handler) {
      element = $(element);
      var name = getDOMEventName(eventName);

      var wrapper = createWrapper(element, eventName, handler);
      if (!wrapper) return element;

      if (element.addEventListener) {
        element.addEventListener(name, wrapper, false);
      } else {
        element.attachEvent("on" + name, wrapper);
      }

      return element;
    },

    stopObserving: function(element, eventName, handler) {
      element = $(element);
      var id = getEventID(element), name = getDOMEventName(eventName);

      if (!handler && eventName) {
        getWrappersForEventName(id, eventName).each(function(wrapper) {
          element.stopObserving(eventName, wrapper.handler);
        });
        return element;

      } else if (!eventName) {
        Object.keys(getCacheForID(id)).each(function(eventName) {
          element.stopObserving(eventName);
        });
        return element;
      }

      var wrapper = findWrapper(id, eventName, handler);
      if (!wrapper) return element;

      if (element.removeEventListener) {
        element.removeEventListener(name, wrapper, false);
      } else {
        element.detachEvent("on" + name, wrapper);
      }

      destroyWrapper(id, eventName, handler);

      return element;
    },

    fire: function(element, eventName, memo) {
      element = $(element);
      if (element == document && document.createEvent && !element.dispatchEvent)
        element = document.documentElement;

      var event;
      if (document.createEvent) {
        event = document.createEvent("HTMLEvents");
        event.initEvent("dataavailable", true, true);
      } else {
        event = document.createEventObject();
        event.eventType = "ondataavailable";
      }

      event.eventName = eventName;
      event.memo = memo || { };

      if (document.createEvent) {
        element.dispatchEvent(event);
      } else {
        element.fireEvent(event.eventType, event);
      }

      return Event.extend(event);
    }
  };
})());

Object.extend(Event, Event.Methods);

Element.addMethods({
  fire:          Event.fire,
  observe:       Event.observe,
  stopObserving: Event.stopObserving
});

Object.extend(document, {
  fire:          Element.Methods.fire.methodize(),
  observe:       Element.Methods.observe.methodize(),
  stopObserving: Element.Methods.stopObserving.methodize(),
  loaded:        false
});

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards and John Resig. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearInterval(timer);
    document.fire("dom:loaded");
    document.loaded = true;
  }

  if (document.addEventListener) {
    if (Prototype.Browser.WebKit) {
      timer = window.setInterval(function() {
        if (/loaded|complete/.test(document.readyState))
          fireContentLoadedEvent();
      }, 0);

      Event.observe(window, "load", fireContentLoadedEvent);

    } else {
      document.addEventListener("DOMContentLoaded",
        fireContentLoadedEvent, false);
    }

  } else {
    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
    $("__onDOMContentLoaded").onreadystatechange = function() {
      if (this.readyState == "complete") {
        this.onreadystatechange = null;
        fireContentLoadedEvent();
      }
    };
  }
})();
/*------------------------------- 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');

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  // caches x/y coordinate pair to use with overlap
  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);
  },

  // within must be called directly before
  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;
  },

  // Deprecation layer -- use newer Element methods now (1.5.2).

  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);

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

Element.addMethods();


function Cookie(document, name, hours, path, domain, secure)
{

    this.$document = document;
    this.$name = name;
    if (hours)
        this.$expiration = new Date((new Date()).getTime() + hours*3600000);
    else this.$expiration = null;
    if (path) this.$path = path; else this.$path = null;
    if (domain) this.$domain = domain; else this.$domain = null;
    if (secure) this.$secure = true; else this.$secure = false;
}

Cookie.prototype.store = function ()
{

    var cookieval = "";
    for(var prop in this) {
        if ((prop.charAt(0) == '$') || ((typeof this[prop]) == 'function'))
            continue;
        if (cookieval != "") cookieval += "&";
        cookieval += prop + ':' + escape(this[prop]);
    }

    var cookie = this.$name + "=" + cookieval;
    if (this.$expiration)
        cookie += "; expires=" + this.$expiration.toGMTString();
    if (this.$path) cookie += "; path=" + this.$path;
    if (this.$domain) cookie += "; domain=" + this.$domain;
    if (this.$secure) cookie += "; secure";

     this.$document.cookie = cookie;
}

Cookie.prototype.load = function()
{
    var allcookies = this.$document.cookie;
    if (allcookies == "") return false;

    var start = allcookies.indexOf(this.$name + "=");
    if (start == -1) return false;
    start += this.$name.length + 1;
    var end = allcookies.indexOf(";", start);
    if (end == -1) end = allcookies.length;
    var cookieval = allcookies.substring(start, end);

    var a = cookieval.split("&");
    for(var i=0; i < a.length; i++){
        var b = a[i].split(":");

    for(var j = 0; j < b.length; j++) {
        this[b[0]] = unescape(b[1]);
    }
    }

     return true;
}

Cookie.prototype.remove = function()
{
    var cookie;
    cookie = this.$name + "=";
    if (this.$path) cookie += "; path=" + this.$path;
    if (this.$domain) cookie += "; domain=" + this.$domain;
    cookie += "; expires=Fri, 02-Jan-1970 00:00:00 GMT";

    this.$document.cookie = cookie;
}


Cookie.prototype.getval = function(key, default_val)
{
    if (!this[key])
        return default_val;
    else
        return this[key];
}


var yeeson = new Object;
yeeson.Cookie = Class.create();

yeeson.Cookie.setCookie = function(sName, sValue, hours, sPath, sDomain, bSecure){

		var sCookie = sName + "=" +escape(sValue);   
		if (hours) {
		var oExpires = new Date((new Date()).getTime() + hours*3600000);
		sCookie +="; expires=" + oExpires.toGMTString();  
		}  
		if (sPath) {         
		sCookie += ";path=" + sPath;  
		}  
		if (sDomain) {         
			sCookie += "; domain=" + sDomain;  
		} 
		 if (bSecure) { 
        sCookie += ";secure=";  
		}  
		document.cookie = sCookie;
}

yeeson.Cookie.getCookieValue = function(cookieName,dfltValue){
		var lowerCookieName = cookieName.toLowerCase();
		var cookieStr = document.cookie;
			
		if (cookieStr == "")
		{	
			return dfltValue;
		}
		var cookieArr = cookieStr.split("; ");
		var pos = -1;
		for (var i=0; i<cookieArr.length; i++)
		{	pos = cookieArr[i].indexOf("=");
			if (pos > 0)
			{
				if (cookieArr[i].substring(0, pos).toLowerCase() == lowerCookieName)
				{
					return unescape(cookieArr[i].substring(pos+1, cookieArr[i].length));
				}
			}
		}
		return dfltValue;
}

yeeson.Cookie.deleteCookie = function(sName, sPath, sDomain){
	 setCookie(sName, "", new Date(0), sPath, sDomain,true);
}


function addBookmark(title,url) {
	if (window.sidebar) {
		window.sidebar.addPanel(title, url,"");
	} else if( document.all ) {
		window.external.AddFavorite( url, title);
	} else if( window.opera && window.print ) {
		return true;
	}
}

function setMainPage(obj){
	url = document.URL;
	if(window.netscape){
		try {  
				netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
				var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
				prefs.setCharPref('browser.startup.homepage','<a href="'+url+'" target="_blank">'+url+'</a>');
		}  
		catch (e) {
			
		}

	}else if(document.all){
		
		obj.style.behavior = 'url(#default#homepage)';
		obj.sethomepage(url);
	}
}


var shop = new Object;
shop.use_cookie= false;
shop.Cart = Class.create();
shop.Good = Class.create();
shop.Shop = Class.create();
shop.Site = Class.create();
shop.Logistics =Class.create();


shop.Cart.prototype.initialize = function(){
	
	this.sites = $H();
	
}

shop.Cart.ajaxNotify=function(request){
	var cart_info = request.responseText;
	cart.loadFromString(cart_info);
	showCart();
	
}

shop.Cart.removeGoods = function(key){
	var url ="/controller/cart/cart/removeCookieGood";
	var params="key="+key;
	//alert(params);
	var myAjax = new Ajax.Request(url,{method:'post',parameters:params,asynchronous: false,onComplete:shop.Cart.ajaxNotify});

}

shop.Cart.setGoodsCount = function(key,count){
	var url ="/controller/cart/cart/setCookieGoodCount";
	var params="key="+key+"&count="+count;
	var myAjax = new Ajax.Request(url,{method:'post',parameters:params,asynchronous: false,onComplete:shop.Cart.ajaxNotify});
}
shop.Cart.prototype.addGood = function(good,st){
	//alert(this.sites);
	this.load();
	//alert(this.sites);
	var siteId = good.siteId;
	//alert(siteId);
	var site = this.sites.get(siteId);
	if(site){
		//alert(site);
		site.addGood(good);
	}else{
		site = new shop.Site(st);
		site.addGood(good);
		//this.sites[site.id] = site;
		this.sites.set(siteId,site);
		
	}
	
	//alert("store");
	this.store();
	
}


shop.Cart.prototype.removeAGood = function(key){
	this.load();
	var g = this.findGood(key);
	if(g){
		//alert();
		if(g.count >0){
			g.count= g.count-1;
		}else{
			delete g;
		}
	
	}
	this.store();	 
}

shop.Cart.prototype.removeAllGood = function(){
	this.load();
	var keys = this.sites.keys();
	for(var i = 0; i < keys.length; i++){
		var key = keys[i];
		this.sites.unset(key);
	}
	this.store();
	 
}

shop.Cart.prototype.removeASite = function(key){
	this.load();
	this.sites.unset(key);
	this.store();	 
}


shop.Cart.prototype.deleteGood = function(key){
	this.load();
	var keys = this.sites.keys();
	var count = keys.length;
	for(var i = 0 ; i < count; i++){
		var siteKey = keys[i];
		var site = this.sites.get(siteKey);
		site.deleteGood(key);
		if(!site.hasGood()){
			 this.sites.unset(siteKey);
		}
	}
	//var g = this.findGood(key);
	//alert(g);
	this.store(); 
}

shop.Cart.prototype.setGoodCount = function(key,count){
this.load();
	var g = this.findGood(key);
	if(g){
		if(count <= 0){
			return false;
		}
		g.count = count;

	}
	this.store();
	
}

shop.Cart.prototype.getGoodsCount = function(){
	var keys = this.sites.keys();
	var count = keys.length;
	var gcount = 0;
	for(var i = 0 ; i < count; i ++){
		var key = keys[i];
		var site = this.sites.get(key);
		gcount += site.getGoodsCount();
	}
	return gcount;
	
}


shop.Cart.prototype.findGood =  function(key){
	var keys = this.sites.keys();
	for(var i = 0; i < keys.length; i++){
		var siteId = keys[i];
		var site = this.sites.get(siteId);
		var g = site.goods.get(key);
		if(g){
				return g;		
		}
	}
	return null;

}
shop.Cart.prototype.store = function(){
if(!shop.use_cookie){
	return;
}
//alert("store");
	//alert(this.goods.toJSONString());
	//var cookie = new Cookie(document,"yeeson.puchare_car",0,"/","yeeson.com");
	
	//cookie.value=this.goods.toJSONString();
	var keys = this.sites.keys();
	var count = keys.length;
	for(var i = 0; i < count; i++){
		var key = keys[i];
//		alert(key);
		var site = this.sites.get(key);
		var goodCount = site.getGoodsCount();
		if(goodCount <= 0){
			this.sites.unset(key);
		}

	}
	var value = this.sites.toJSON();
	//var h = new Hash({ 'a': 'apple', 'b': 'banana', 'c': 'coconut' });	
	//alert(h.toJSON());
	alert(value.length);
	yeeson.Cookie.setCookie("yeeson.puchare_car",value,0,"/","yeeson.com");
	//cookie.store();
}

shop.Cart.prototype.size= function(){
	this.load();
	var keys = this.sites.keys();
	var len = 0;
	for(var i = 0; i < keys.length;i++){
		var key = keys[i];
		var site = this.sites.get(key);
		if(site){
			if(site.goods){
				var goodKeys = site.goods.keys();
				len = len + goodKeys.length;
			}
		}
	}
	return len;

}
shop.Cart.prototype.load = function(){

	if(!shop.use_cookie){
		return;
	}
	var str = yeeson.Cookie.getCookieValue("yeeson.puchare_car","");
	this.loadFromString(str);
	//var cookie = new Cookie(document,"yeeson.puchare_car",0,"/","yeeson.com");
	//cookie.load();
	//alert('hello1');
	//alert(this.goods);
}


shop.Cart.prototype.loadFromString = function(cart_info){
	delete this.sites;
	this.sites = $H();

	var sites = null;
	if(cart_info){
	try{
			sites = eval("("+cart_info+")");
		}catch(e){
			sites = null;
		}
	}
	//alert("loading");
	//sites = new Hash(sites);
	sites = $H(sites);
	var keys = sites.keys();
	var count = keys.length;

	for(var i = 0; i < count; i++){
		var key = keys[i];
		var site = sites.get(key);
		site = new shop.Site(site);

		//this.sites[key] = site;
		this.sites.set(key,site);
	}


}
shop.Cart.prototype.show = function(){
	var view = $("yeeson_cart");
 
}


shop.Cart.prototype.sumPrice = function(){
	var sum = 0;
	var keys = this.sites.keys();
	var count = keys.length;
	for(var i = 0; i < count; i++){
		var key = keys[i];
		var site = this.sites.get(key);
		sum=sum+site.sumPrice();
	
	}
	return sum;


}
shop.Good.prototype.initialize = function(good){
//	this.value = good;

	this.name = good.name;
	this.serial = good.serial;
	this.colorId = good.colorId;
	this.sizeId = good.sizeId;
	this.color = good.color;
	this.size = good.size;
	this.price = good.priceString;
	this.id = good.id;
	this.brandId = good.brandId;
	this.brandName = good.brandName;
	this.siteId = good.siteId;
	if(good.count){
		this.count = good.count;
	}else{
		this.count = 1;
	}

	if(this.count <=0){
		this.count = 1;
	}
	this.key = this.id+"_"+this.colorId+"_"+this.sizeId;
	//alert(this.key);
}


shop.Good.init = function(goods){
	var results = $H();
	var keys = goods.keys();
	var count = keys.length;

	for(var i = 0 ; i < count; i++){
		var key = keys[i];
		//alert(key);
		var good = goods.get(key);
		good = new shop.Good(good);
		//results[key] = good;
		results.set(key,good);
	}
	return results;


}
shop.Site.prototype.initialize = function(site){
//	this.value = good;

	this.name = site.name;
	this.id = site.id;
	this.carriagePayment = site.carriagePayment;
	this.goods = $H();
	this.lgts = shop.Logistics.init(new Hash(site.lgts));
	var goods = site.goods;
	if(goods == null){
		return;

	}
	goods = $H(goods);
	
	this.goods = shop.Good.init(goods);	
//alert(this.key);
}

shop.Site.prototype.addGood = function(good){
//	this.value = good;
	var g = this.goods.get(good.key);
	if(g){
		
		g.count=parseInt(g.count)+parseInt(good.count);
		//alert(g.count);
	}else{
		good = new shop.Good(good);
		//this.goods[good.key] = good;
		this.goods.set(good.key,good);
	}
	//alert(this.key);
}


shop.Site.prototype.hasGood = function(){
	return this.goods.keys().length > 0;

}


shop.Site.prototype.getGoodsCount = function(){
	var keys = this.goods.keys();
	var count = keys.length;
	var gcount = 0;
	for(var i = 0;  i < count; i++){
		var key = keys[i];
		var good = this.goods.get(key);
		gcount  = gcount + good.count;
		
	}
	return gcount;

}

shop.Site.prototype.deleteGood  = function(key){

	var good = this.goods.get(key);
	if(good != null){
		this.goods.unset(key);
	}

}

shop.Site.prototype.getPayment = function(){
	if(this.carriagePayment == 0){
		return "卖家付费";
	}else{
		return "买家付费";
	}

}


shop.Site.prototype.sumPrice = function(){
       var sum = 0;
       var keys = this.goods.keys();
        var length = keys.length;
        for(var i = 0; i < length; i++){
	var key = keys[i];
                var good = this.goods.get(key);
                sum=sum+(good.count*good.price);

        }
        return sum;
	

}
shop.Logistics.prototype.initialize = function(lgt){
	this.id = lgt.id;
	this.type = lgt.type;
	this.siteId = lgt.siteId;
	this.unit = lgt.unit;
	this.city = lgt.cityString;
	this.other = lgt.otherString;
	this.limit = lgt.limitString;
	this.status = lgt.status;
}
shop.Logistics.prototype.getDescription = function(){
	var str=this.getName()+"("+"本市 ￥"+this.city+"起，外埠 ￥"+this.other+"起)";
	if(this.limit > 0){
		str+="订单总价超过￥"+this.limit+"免物流费";
	}
	return str;

}

shop.Logistics.prototype.getName = function(){
	if(this.type == 1){
		return "平邮";
	}else if(this.type == 2){
		return "快递";
	}else{
		return "EMS";
	}
}
shop.Logistics.init = function(lgts){
	var results = $H();
	var keys = lgts.keys();
	var count = keys.length;
	for(var i = 0; i < count; i++){
		var key = keys[i];
		var lgt = lgts.get(key);
		lgt = new shop.Logistics(lgt);
		//results[key] = lgt;
		results.set(key,lgt);
	}
	return results;
}


shop.Shop.prototype.initialize = function(sname,phone,address,busline){
	this.name = sname;
	this.phone = phone;
	this.address = address;
	this.busline = busline;
	this.pics=new Array();
}

shop.Shop.prototype.addPic= function(url){
	var count = this.pics.length;
	this.pics[count] = url;
}

shop.Shop.prototype.picsCount= function(){
	return this.pics.length;
}

shop.Shop.prototype.getPic= function(index){
	return this.pics[index];
}

shop.Shop.prototype.getSmallPic= function(index){
	return this.pics[index]+"_s_gd_big.jpg";
}

shop.Shop.prototype.getBigPic= function(index){
	return this.pics[index]+"_s_gd_big.jpg";
}

shop.Shop.prototype.showInfo= function(){
 var str = "店 名："+this.name+"<br/>";
 str+="<p>电 话："+this.phone+"<br/> </p>";
 str+="<p>地 址："+this.address+"</p>";
 str+="<p>乘车路线："+this.busline+"</p>";var h = new Hash({ a: 'apple', b: 'banana', c: 'coconut' });
 return str;
}

shop.Shop.prototype.showPics= function(){
	var count = this.picsCount();
	var str = ""
	for(var i=0 ; i < count ; i++){
		str+='<a href="#" target="_blank" onclick="showBigPic('+i+');return false;">';
		str+='<IMG height=93 hspace=1 src="'+this.getSmallPic(i)+'" width=120 border=0>';
		str+='</a>'

	}
	return str;
}


function showCart(){

	cart.load();

	var sites = cart.sites;

	var siteKeys = sites.keys();

	var siteCount = siteKeys.length;
	var htmlStr='';
	for(var idx = 0; idx < siteCount; idx++){
		htmlStr+='<table width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td height="19">';
		var siteKey = siteKeys[idx];
		var site = sites.get(siteKey);
		htmlStr+='站点：'+site.name+'</td></tr>';
		htmlStr+='<tr><td><table width="996" border="0" cellpadding="0" cellspacing="0" class="gouwuche-1"><tr><td width="260" height="29" bgcolor="#F5F5EF" class="gouwuche-2">商品名称</td><td width="178" bgcolor="#F5F5EF" class="gouwuche-2">品牌名称</td><td width="93" bgcolor="#F5F5EF" class="gouwuche-2">颜色</td><td width="110" bgcolor="#F5F5EF" class="gouwuche-2">尺码</td><td width="88" bgcolor="#F5F5EF" class="gouwuche-2">单价</td><td width="78" bgcolor="#F5F5EF" class="gouwuche-2">数量</td><td width="95" bgcolor="#F5F5EF" class="gouwuche-2">小计</td><td width="93" bgcolor="#F5F5EF" class="gouwuche-2">操作</td></tr>';

		var goods = site.goods;
		var keys = goods.keys();
		var count = keys.length;

		for(var i = 0 ; i < count; i++){
			var goodKey = keys[i];
			var good = goods.get(goodKey);
			var str = "<tr>\n"
			str+='<td height="30" class="gouwuche-2"><a href="http://www.'+domain+'/'+sitename+'/good/'+good.id+'.html"  target="_blank">'+good.name+'</a>'+'('+good.serial+')'+'</td>\n';
			str+='<td class="gouwuche-2">'+good.brandName+'</td>\n';
			str+='<td class="gouwuche-2">'+good.color+'</td>\n';
			str+='<td class="gouwuche-2">'+good.size+'</td>\n';
			str+='<td class="gouwuche-2">￥'+good.price+'</td>\n';
			str+='<td class="gouwuche-2"><label><input type="text" onchange="countChange(this,\''+good.key+'\')" style="WIDTH: 30px; TEXT-ALIGN: center; height: 16px; line-height: 10px;" value="'+good.count+'" /></td>\n';
			str+='<td class="gouwuche-2">￥'+good.count*good.price+'</td>\n';
			str+='<td class="gouwuche-2 zhi-1"><a href="javascript:;;" onclick="removeGood(\''+good.key+'\');return false;">移  除</a></td>\n';		
			str+='</tr>\n'
			htmlStr+=str;
		}
		htmlStr+='</table></td></tr>';
		

		if(count  > 0){
			str='<tr><td><table width="300" border="0" align="right" cellpadding="0" cellspacing="0"><tr>';
			str+='<td width="159" height="53">订单金额总计：'
			str+='￥'+site.sumPrice()+'</td>';
			str+='<td width="141"><a href="/controller/order/order/doBalance?siteId='+site.id+'"><img src="'+image_root+'jiesuang.gif" width="84" height="28" border="0" /></a></td>';
			str+='</tr></table></td></tr>';
			htmlStr+=str;
		}
		htmlStr+='</table>';
	}

	
	$("yeeson_cart").update(htmlStr);
	//	$("total_price").update("￥"+cart.sumPrice());
}

function countChange(obj,key){
	var value = obj.value;
	if(value <=0){
		alert("无效设置");
		obj.value = 1;
	}
	
//	cart.load();
//	cart.setGoodCount(key,obj.value);
//	showCart();
	shop.Cart.setGoodsCount(key,obj.value);

}

function removeGood(key){
	//cart.load();
	//cart.deleteGood(key);

//	showCart();
	shop.Cart.removeGoods(key);

}

var cart = new shop.Cart();
cart.load();


EventSource = Class.create();
EventSource.prototype.initialize = function(){}

EventSource.prototype.attachEvent = function(eventName,observer){
			if(!this[eventName]) this[eventName] = [];
			if(typeof this[eventName] == 'function'){
				var tempFun = this[eventName];
				this[eventName] = [];
				this[eventName].push(tempFun);
				this[eventName].push(observer);
			}else if(typeof this[eventName] == 'object'){
				if(this[eventName].push){
					this[eventName].push(observer);
				}

			}
}

EventSource.prototype.addEventListener = function(eventName,observer){
	this.attachEvent(eventName,observer);
}

EventSource.prototype.fireEvent = function(eventName){
	if(typeof this[eventName] == 'function'){
		this[eventName]();

	}

	if(typeof this[eventName] == 'object'){
		for(var i = 0; i <this[eventName].length; i++){
			if(typeof this[eventName][i] == 'function'){
				this[eventName][i]();
			}

		}

	}

}


var user = new Object;
user.inSite = false;
user.Login = Class.create();
Object.extend(user.Login.prototype,EventSource.prototype);

user.Login.prototype.initialize = function(){
	this.load();
}

user.Login.prototype.load= function(){
	var passport =yeeson.Cookie.getCookieValue("cookie_passport");
	var username = yeeson.Cookie.getCookieValue("cookie_username");

	if(passport!=null && username!=null){
		this.login = true;
		this.usertype = yeeson.Cookie.getCookieValue("cookie_usertype","5");
		this.username = yeeson.Cookie.getCookieValue("cookie_username","noname");
		this.userid = yeeson.Cookie.getCookieValue("cookie_login_user_id","-1");
		//this.urlUsername = yeeson.Cookie.getCookieValue("cookie_url_username",this.username);
	}else{
		
		this.login = false;
		this.usertype = null;
		this.username = null;
		this.userid = null;
		//this.urlUsername = null;
	}
}

user.Login.prototype.isLogin = function(){
	return this.login;

}
user.Login.prototype.dologin = function(form){
	new Ajax.Updater('logins','/controller/user/login/doLoginTop',{asynchronous:true, evalScripts:true,encoding:'utf-8', parameters:Form.serialize($(form))})
}


user.Login.prototype.showFishLogin = function(){
	if(this.login){
		$("no_login").hide();
		$("in_login").show();
		$("login_info_div").show();
		var content="衣尚欢迎您！"+this.username;
		$("login_info").update(content);

	}else{
		$("no_login").show();
		$("in_login").hide();
		$("login_info_div").hide();
	}

}

user.Login.prototype.showLogin = function(panel){
	if(user.inSite){
		this.showSiteLogin(panel);
	}else{
		this.showMainLogin(panel);
	}
}
user.Login.prototype.showMainLogin = function(panel){
		if(this.login){
		 	var content = "";
   		 		content += "<form id=\"loginSuccess\" name=\"loginSuccess\" action=\"#\" onsubmit=\"login.dologout('loginSuccess');return false;\" method=\"post\">"; 
   		 		content += "<div class=\"top-1-2-2\" style=\"width: 120px;\" >衣尚欢迎你，"+login.username+"</div>";   
				content+= '<div onmouseout="this.className=\'d_out\'" onmouseover="this.className=\'d_over\'" style="width: 47px;" class="d_out top-1-2-2"><a href="javascript:;" target="_blank" onclick="login.dologout(\'loginSuccess\');return false;">退出</a></div>';
  				content += '<div onmouseout="this.className=\'d_out\'" onmouseover="this.className=\'d_over\'" style="width: 60px;" class="d_out top-1-2-2"><a href="/controller/user/user/doShowOrderList" target="_blank">个人帐户</a></div>';
//				content+='<div onmouseout="this.className=\'d_out\'" onmouseover="this.className=\'d_over\'" style="width: 60px;" class="d_out top-1-2-2"><a href="http://bbs.yeeson.com/space-username-'+login.username+'.html" target="_blank">我的空间</a></div>';
				content+='<div onmouseout="this.className=\'d_out\'" onmouseover="this.className=\'d_over\'" style="width: 47px;" class="d_out top-1-2-2"><a href="http://www.yeeson.com/controller/cart/cart/showCookieCart" target="_blank">购物车</a></div>';

					content += "<div id=\"id5\" class=\"tou-1-0\"><a href=\"http://www.yeeson.com/controller/cart/cart/showCookieCart\" target=\"_blank\"><image style=\"border:0px\" src=\""+image_root+"gif-0118.gif\"/></a></div>";
  				content += "</form>";
  			   
		}else{
          
          
		   var content = "";
		       content = "<form id=\"ulogin\" name=\"ulogin\" action=\"#\" onsubmit=\"login.dologin('ulogin');return false;\" method=\"post\">";
		       content += '<div class="top-1-7" style="height: 15px; width: 45px; float: left; padding-top: 3px;">用户名</div>';
	      	 content += '<div class="top-1-7" style="height: 18px; width: 106px; float: left;"><input type="text" id="textfield2" class="top-1-4" name="username" onkeypress="enterLogin(event);"/></div>';
	         content += '<div class="top-1-7" style="height: 15px; width: 34px; float: left; padding-top: 3px;">密码</div>';
	         content += '<div class="top-1-7" style="height: 18px; width: 104px; float: left;"><input type="password" id="textfield2" class="top-1-4" name="password" onkeypress="enterLogin(event);"/></div>';
	         content += '<div onmouseout="this.className=\'d_out\'" onmouseover="this.className=\'d_over\'" style="width: 47px;" class="d_out"><a href="javascript:;;" onclick="login.dologin(\'ulogin\');return false;">登录</a></div>';
		       content += '<div onmouseout="this.className=\'d_out\'" onmouseover="this.className=\'d_over\'" style="width: 47px;" class="d_out top-1-2-2"><a href="/controller/user/user/doRegist" target="_blank">注册</a></div>';
		       content += '<div onmouseout="this.className=\'d_out\'" onmouseover="this.className=\'d_over\'" style="width: 71px;" class="d_out"><a href="/controller/user/user/doFindPassword" target="_blank">找回密码</a></div>';
				content+='<div onmouseout="this.className=\'d_out\'" onmouseover="this.className=\'d_over\'" style="width: 47px;" class="d_out top-1-2-2"><a href="http://www.yeeson.com/controller/cart/cart/showCookieCart" target="_blank">购物车</a></div>';
		       content += "</form>";
		   
		}
	
	$(panel).update(content);
	//alert(this["fireEvent"]);
	this["fireEvent"]("onlogin");
//	alert(this["fireEvent"]);
}


user.Login.prototype.showSiteLogin = function(panel){
		if(this.login){
		 	var content = "";
   		 		content += "<form id=\"loginSuccess\" name=\"loginSuccess\" action=\"#\" onsubmit=\"login.dologout('loginSuccess');return false;\" method=\"post\">"; 
content+='<div class="mb-zhong-1-1" id="mb-zhong-1-1">';
content+='      <div class="mb-zhong-1-1-1" id="mb-zhong-1-1-1">';
content+='        <div class="mb-zhong-1-1-2" id="mb-zhong-1-1-2">';
content+='          <div class="mb-zhong-1-1-3" id="mb-zhong-1-1-3">衣尚</div>';
content+='          <div class="mb-zhong-1-1-4" id="mb-zhong-1-1-4">';
content+='            欢迎您';
content+='          </div>';
content+='        </div>';
content+='        <div class="mb-zhong-1-1-2" id="mb-zhong-1-1-2">';
content+='          <div class="mb-zhong-1-1-3" id="mb-zhong-1-1-3"></div>';
content+='          <div class="mb-zhong-1-1-4" id="mb-zhong-1-1-4">';
content+=login.username;
content+='          </div>';
content+='        </div>';
content+='      </div>';
        
content+='	     <div class="mb-zhong-1-1-6 bea2" id="mb-zhong-1-1-6">';
//content+='	     <input type="image" src="'+image_root+'5-fb_12.jpg" width="46" height="44" border="0" />';
content+='<a onclick=" if(true){login.dologout(\'loginSuccess\');} return false;" href="#"> 退出</a>'
content+='	     </div>';
content+='    </div>';
content+='</form>';
content+='    <div class="mb-zhong-1-2" id="mb-zhong-1-2">';
content+='    		<a href="/controller/user/user/doShowOrderList"  target="_blank">个人帐户管理</a>';
content+='    </div>';
  			   
		}else{
		   var content = "";
		       content = "<form id=\"ulogin\" name=\"ulogin\" action=\"#\" onsubmit=\"login.dologin('ulogin');return false;\" method=\"post\">";
content+='<div class="mb-zhong-1-1" id="mb-zhong-1-1">';
content+='      <div class="mb-zhong-1-1-1" id="mb-zhong-1-1-1">';
content+='        <div class="mb-zhong-1-1-2" id="mb-zhong-1-1-2">';
content+='          <div class="mb-zhong-1-1-3" id="mb-zhong-1-1-3">用户名</div>';
content+='          <div class="mb-zhong-1-1-4" id="mb-zhong-1-1-4">';
content+='            <input name="username" type="text" class="mb-zhong-1-1-5" id="username" />';
content+='          </div>';
content+='        </div>';
content+='        <div class="mb-zhong-1-1-2" id="mb-zhong-1-1-2">';
content+='          <div class="mb-zhong-1-1-3" id="mb-zhong-1-1-3">密&nbsp;&nbsp;码</div>';
content+='          <div class="mb-zhong-1-1-4" id="mb-zhong-1-1-4">';
content+='            <input name="password" type="password" class="mb-zhong-1-1-5" id="password" />';
content+='          </div>';
content+='        </div>';
content+='      </div>';
        
content+='	     <div class="mb-zhong-1-1-6 bea2" id="mb-zhong-1-1-6">';
//content+='	     <input type="image" src="'+image_root+'5-fb_11.jpg" width="46" height="44" border="0" />';
content+='<a onclick=" if(true){login.dologin(\'ulogin\');} return false;" href="#">登陆</a>'
content+='	     </div>';
content+='    </div>';
content+='</form>';

content+='    <div class="mb-zhong-1-2" id="mb-zhong-1-2">';
content+='    		<a href="/controller/user/user/doRegist" target="_blank">注册新用户</a>&nbsp;<a href="/controller/user/user/doFindPassword"  target="_blank">找回密码</a>';
content+='    </div>';

		   
		}

content+='    <div class="mb-zhong-1-3" id="mb-zhong-1-3">';
content+='      <div class="mb-zhong-1-3-1" id="mb-zhong-1-3-1">';
//content+='        <div class="mb-zhong-1-3-2" id="mb-zhong-1-3-2">会员积分查询</div>';
content+='        <div class="mb-zhong-1-3-3" id="mb-zhong-1-3-3"><span class="mb-zhong-1-1-4">';
//content+='          <input name="用户名3" type="text" class="mb-zhong-1-3-4" id="用户名3" />';
content+='        </span></div>';
content+='        <div class="mb-zhong-1-3-5" id="mb-zhong-1-3-5">';
//content+='        <a href="#"><img src="'+image_root+'5-fb_48.jpg" alt="" width="46" height="18" border="0" /></a>';
content+='        </div>';
content+='      </div>';
content+='    </div>';

	
	$(panel).update(content);
	//alert(this["fireEvent"]);
	this["fireEvent"]("onlogin");
//	alert(this["fireEvent"]);
}


user.Login.prototype.dologout = function(form){
//alert(Form.serialize($(form)));
	new Ajax.Updater('logins','/controller/user/login/doLogoutTop',{asynchronous:true, evalScripts:true, encoding:'gbk', parameters:Form.serialize($(form))});
}


var login = new user.Login();


 function enterLogin(ev)
 {
 var event = window.event || ev;
  var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
  if (keyCode == 13) {
	login.dologin('ulogin');
	return false;
  }
 }


var menus = new Array();
var actuators = new Array();
var menuCount = 0;

function closeMenus(){
	var length = menus.length;
	for(var i = 0 ; i < length; i++){
		var menu = menus[i];
		menu.style.display = "none";
	}
	for(var i = 0; i < length; i++){
		var actuator = actuators[i];
		if(i== 0){
			actuator.className="index-2-2-3 ddgl10";
		}else{
			actuator.className="index-2-2-2 ddgl9";
		}
	}
}

function showMenu(actuatorId,menuId){
	var actuator = $(actuatorId)
	var menu = $(menuId);
	closeMenus();
	var display = menu.style.display;
   menu.style.display = (display == "block") ? "none" : "block";
   actuator.className="index-2-2-10";
	

}


function initializeMenu(menuId, actuatorId) {
	menuCount++;
    var menu = $(menuId);
    var actuator = $(actuatorId);
	 menus[menuCount-1] = menu;
	actuators[menuCount-1] = actuator;
    if (menu == null || actuator == null) return;

    actuator.onmouseover = function() {
			closeMenus();
			var display = menu.style.display;
        menu.style.display = (display == "block") ? "none" : "block";
					actuator.className="index-2-2-10";
        return false;
    }

}


var currslid = 0;
var slidint;
function setfoc(id){
	var focpic = $('focpic');
	var foclnk = $('foclnk');
	var fttltxt = $('fttltxt');
	focpic.src = picarry[id];
	foclnk.href = lnkarry[id];
	fttltxt.innerHTML = "<a href=\""+lnkarry[id]+"\" target=_blank>"+ttlarry[id]+"</a>";
	currslid = id;
 for(i=0;i<pic_count;i++)
 	{
 		document.getElementById("tmb"+i).className = "thubpic";
 	};
 		document.getElementById("tmb"+id).className ="thubpiccur";
 	focpic.style.visibility = "hidden";
 	try{
 		focpic.filters[0].Apply();
 	}catch(e){
 	
 	}
 	if (focpic.style.visibility == "visible") {
 		focpic.style.visibility = "hidden";
	 	try{
	 		focpic.filters.revealTrans.transition=12;
	 	}catch(e){
	 	
	 	}
 	}
 	else 
 	{
	 	focpic.style.visibility = "visible";
	 	try{
	 		focpic.filters[0].transition=12;
	 	}catch(e){
	 	
	 	}
 	}
 	try{
 		focpic.filters[0].Play();
 		}catch(e){
 		
 		}
 	stopit();
 	}
 	function setfoc1(id){
 	document.getElementById("bocpic").src = picarry1[id];
 	document.getElementById("boclnk").href = lnkarry1[id];
 	document.getElementById("bttltxt").innerHTML = "<a href=\""+lnkarry1[id]+"\" target=_blank>"+ttlarry1[id]+"</a>";
 	currslid = id;
 	try{
 	document.getElementById("bocpic").filters.revealTrans.transition = 12;
 	document.getElementById("bocpic").filters[0].Apply();
 	document.getElementById("bocpic").filters[0].Play();
 	}catch(e){
 	}
 	}
 	function playnext()
 	{
 	if(currslid== pic_count-1)
 	{
 	currslid = 0;
 	}
 	else
 	{
 	currslid++;
 	};
        try{
 	setfoc(currslid);
        }catch(e){}
 	playit();
 	}
 	function playit(){
 	slidint = setTimeout(playnext,4500);
 	}
 	function stopit(){
 	clearTimeout(slidint);
 	}


if (!Array.prototype.push) {
	Array.prototype.push = function () {
		var startLength = this.length;
		for (var i = 0; i < arguments.length; i++) {
			this[startLength + i] = arguments[i];
		}
		return this.length;
	};
}
function G() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == "string") {
			element = document.getElementById(element);
		}
		if (arguments.length == 1) {
			return element;
		}
		elements.push(element);
	}
	return elements;
}

Function.prototype.bindAsEventListener = function (object) {
	var __method = this;
	return function (event) {
		__method.call(object, event || window.event);
	};
};
Object.extend_p = function (destination, source) {
	for (property in source) {
		destination[property] = source[property];
	}
	return destination;
};
if (!window.Event) {
	var Event = new Object();
}
Object.extend_p(Event, {observers:false, element:function (event) {
	return event.target || event.srcElement;
}, isLeftClick:function (event) {
	return (((event.which) && (event.which == 1)) || ((event.button) && (event.button == 1)));
}, pointerX:function (event) {
	return event.pageX || (event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft));
}, pointerY:function (event) {
	return event.pageY || (event.clientY + (document.documentElement.scrollTop || document.body.scrollTop));
}, stop:function (event) {
	if (event.preventDefault) {
		event.preventDefault();
		event.stopPropagation();
	} else {
		event.returnValue = false;
		event.cancelBubble = true;
	}
}, findElement:function (event, tagName) {
	var element = Event.element(event);
	while (element.parentNode && (!element.tagName || (element.tagName.toUpperCase() != tagName.toUpperCase()))) {
		element = element.parentNode;
	}
	return element;
}, _observeAndCache:function (element, name, observer, useCapture) {
	if (!this.observers) {
		this.observers = [];
	}
	if (element.addEventListener) {
		this.observers.push([element, name, observer, useCapture]);
		element.addEventListener(name, observer, useCapture);
	} else {
		if (element.attachEvent) {
			this.observers.push([element, name, observer, useCapture]);
			element.attachEvent("on" + name, observer);
		}
	}
}, unloadCache:function () {
	if (!Event.observers) {
		return;
	}
	for (var i = 0; i < Event.observers.length; i++) {
		Event.stopObserving.apply(this, Event.observers[i]);
		Event.observers[i][0] = null;
	}
	Event.observers = false;
}, observe:function (element, name, observer, useCapture) {
	var element = G(element);
	useCapture = useCapture || false;
	if (name == "keypress" && (navigator.appVersion.match(/Konqueror|Safari|KHTML/) || element.attachEvent)) {
		name = "keydown";
	}
	this._observeAndCache(element, name, observer, useCapture);
}, stopObserving:function (element, name, observer, useCapture) {
	var element = G(element);
	useCapture = useCapture || false;
	if (name == "keypress" && (navigator.appVersion.match(/Konqueror|Safari|KHTML/) || element.detachEvent)) {
		name = "keydown";
	}
	if (element.removeEventListener) {
		element.removeEventListener(name, observer, useCapture);
	} else {
		if (element.detachEvent) {
			element.detachEvent("on" + name, observer);
		}
	}
}});
Event.observe(window, "unload", Event.unloadCache, false);
var Class_Pop = function () {
	var _class = function () {
		this.initialize.apply(this, arguments);
	};
	for (i = 0; i < arguments.length; i++) {
		superClass = arguments[i];
		for (member in superClass.prototype) {
			_class.prototype[member] = superClass.prototype[member];
		}
	}
	_class.child = function () {
		return new Class(this);
	};
	_class.extend_p = function (f) {
		for (property in f) {
			_class.prototype[property] = f[property];
		}
	};
	return _class;
};
function space(flag) {
	if (flag == "begin") {
		var ele = document.getElementById("ft");
		if (typeof (ele) != "undefined" && ele != null) {
			ele.id = "ft_popup";
		}
		ele = document.getElementById("usrbar");
		if (typeof (ele) != "undefined" && ele != null) {
			ele.id = "usrbar_popup";
		}
	} else {
		if (flag == "end") {
			var ele = document.getElementById("ft_popup");
			if (typeof (ele) != "undefined" && ele != null) {
				ele.id = "ft";
			}
			ele = document.getElementById("usrbar_popup");
			if (typeof (ele) != "undefined" && ele != null) {
				ele.id = "usrbar";
			}
		}
	}
}
if(typeof(HTMLElement) != "undefined"){
HTMLElement.prototype.contains=function(Node){// 是否包含某节点
        do {
//	alert("nd:"+Node.id);
//	alert("this:"+this.id);
	if(Node==this){
		
		return true;
	}
	
        }while(Node=Node.parentNode);
        return false;
} 
}


var Popup = new Class_Pop();
Popup.prototype = {iframeIdName:"ifr_popup", initialize:function (config) {
	this.config = Object.extend_p({contentType:1, isHaveTitle:true, scrollType:"no", isBackgroundCanClick:false, isSupportDraging:true, isShowShadow:true, isReloadOnClose:true, width:400, height:300}, config || {});
	this.info = {shadowWidth:4, title:"", contentUrl:"", contentHtml:"", callBack:null, parameter:null, confirmCon:"", alertCon:"", someHiddenTag:"select,object,embed", someHiddenEle:"", overlay:0, coverOpacity:60};
	this.color = {cColor:"#EEEEEE", bColor:"#FFFFFF", tColor:"#709CD2", wColor:"#FFFFFF"};
	this.dropClass = null;
	this.someToHidden = [];
	if (!this.config.isHaveTitle) {
		this.config.isSupportDraging = false;
	}
	this.iniBuild();
}, setContent:function (arrt, val) {
	if (val != "") {
		switch (arrt) {
		  case "width":
			this.config.width = val;
			break;
		  case "height":
			this.config.height = val;
			break;
		  case "title":
			this.info.title = val;
			break;
		  case "contentUrl":
			this.info.contentUrl = val;
			break;
		  case "contentHtml":
			this.info.contentHtml = val;
			break;
		  case "callBack":
			this.info.callBack = val;
			break;
		  case "parameter":
			this.info.parameter = val;
			break;
		  case "confirmCon":
			this.info.confirmCon = val;
			break;
		  case "alertCon":
			this.info.alertCon = val;
			break;
		  case "someHiddenTag":
			this.info.someHiddenTag = val;
			break;
		  case "someHiddenEle":
			this.info.someHiddenEle = val;
			break;
		  case "overlay":
			this.info.overlay = val;
		}
	}
}, setContents:function (options) {
	if (null == options || {} == options) {
		return;
	}
	for (var key in options) {
		this.setContent(key, options[key]);
	}
}, iniBuild:function () {
	var oDiv = document.createElement("div");
	oDiv.id = "dialogCase";
	document.body.appendChild(oDiv);
}, build:function () {
	p = this.posi();
	var baseZIndex = 10001 + this.info.overlay * 10;
	var showZIndex = baseZIndex + 2;
	var showZIndex2 = baseZIndex + 1;
	if (this.info.title == undefined || this.info.title == null) {
		this.info.title = "";
	}
	var html = "<div id=\"dialogBox\" style=\"z-index:" + showZIndex + ";position:absolute;top:" + p[0] + "px;left:" + p[1] + "px;width:" + this.config.width + "px;height:" + this.config.height + "px;\">\t\t\t\t<div style=\"position:relative;z-index:" + showZIndex2 + ";top:0;left:0;width:" + this.config.width + "px;background:#fff;border:1px solid #9dccf6;filter : progid:DXImageTransform.Microsoft.DropShadow(color=#ffc3c3c3,offX=4,offY=4,positives=true);\">\t\t\t\t\t<div style=\"position:relative;height:20px;padding:20px 10px 0 10px;overflow:hidden;font-size:14px;font-weight:bold;\">" + this.info.title + "<div style=\"cursor:pointer;position:absolute;right:10px;top:20px;width:18px;height:18px;border:1px solid #b2d1dc;font:bold 10px/18px \xe9\xbb\x91\xe4\xbd\x93;text-align:center;color:#0042ff;overflow:hiddden;\" id=\"dialogBoxClose\">X</div></div>\t\t\t\t\t\t<iframe scrolling=\"no\" id=\"dialog_ifr\" name=\"dialog_ifr\" style=\"width:100%;height:" + (this.config.height - 22) + "px;overflow:hidden;\" frameborder=\"0\" src=\"\" onload=\"aa(true);\" border=0></iframe>\t\t\t\t\t</div>\t\t\t</div>";
	html += "<div id=\"dialogBoxShadow\" style=\"position:absolute;z-index:" + baseZIndex + ";top:" + (p[0] + 4) + "px;left:" + (p[1] + 4) + "px;width:" + (this.config.width + 2) + "px;height:" + (this.config.height + 2) + "px;background:#c3c3c3;\">fefewewf</div>";
	var cB = "filter: alpha(opacity=" + this.info.coverOpacity + ");opacity:" + this.info.coverOpacity / 100 + ";";
	var cover = "<div id=\"dialogBoxBG\" style=\"position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:" + baseZIndex + ";" + cB + "background-color:" + this.color.cColor + ";display:;\"></div>";
	G("dialogCase").innerHTML = cover + html;
	G("dialogBoxBG").style.height = document.body.scrollHeight;
	G("dialog_ifr").src = this.info.contentUrl;
	Event.observe(G("dialogBoxClose"), "click", this.reset.bindAsEventListener(this), false);
		//Event.observe(document,"keypress",this.keydown.bindAsEventListener(this),false);
	return this;
}, keydown:function (event) {
	if (event.keyCode == 27) {
		this.close();
	}
}, lastBuild:function () {
}, reBuild:function () {
	G("dialogBody").height = G("dialogBody").clientHeight;
}, show:function () {
	this.hiddenSome();
	this.middle();
}, forCallback:function () {
	return this.info.callBack(this.info.parameter);
}, shadow:function () {
}, middle:function () {
	var oDialog = G("dialogBox");
	oDialog["style"]["display"] = "";
	if (!this.config.isBackgroundCanClick) {
		G("dialogBoxBG").style.display = "";
	}
}, posi:function () {
	var myWidth = 0, myHeight = 0;
	var sTop = 0, sleft = 0;
	if (typeof (window.innerWidth) == "number") {
		myWidth = window.innerWidth;
		myHeight = window.innerHeight;
	} else {
		if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
			myWidth = document.documentElement.clientWidth;
			myHeight = document.documentElement.clientHeight;
		} else {
			if (document.body && (document.body.clientWidth || document.body.clientHeight)) {
				myWidth = document.body.clientWidth;
				myHeight = document.body.clientHeight;
			}
		}
	}
	sTop = (myHeight - this.config.height) / 2 + document.documentElement.scrollTop;
	sleft = (myWidth - this.config.width) / 2;
	if (sTop < 1) {
		sTop = "20";
	}
	if (sleft < 1) {
		sleft = "20";
	}
	return [sTop, sleft];
}, reset:function () {
	if (this.config.isReloadOnClose) {
		top.location.reload();
	}
	this.close();
}, close:function () {
	G("dialogBox").style.display = "none";
	G("dialogBoxShadow").style.display = "none";
	if (!this.config.isBackgroundCanClick) {
		G("dialogBoxBG").style.display = "none";
	}
		//Event.unloadCache();
	this.showSome();
}, hiddenSome:function () {
	var tag = this.info.someHiddenTag.split(",");
	if (tag.length == 1 && tag[0] == "") {
		tag.length = 0;
	}
	for (var i = 0; i < tag.length; i++) {
		this.hiddenTag(tag[i]);
	}
	var ids = this.info.someHiddenEle.split(",");
	if (ids.length == 1 && ids[0] == "") {
		ids.length = 0;
	}
	for (var i = 0; i < ids.length; i++) {
		this.hiddenEle(ids[i]);
	}
	space("begin");
}, hiddenTag:function (tagName) {
	var ele = document.getElementsByTagName(tagName);
	if (ele != null) {
		for (var i = 0; i < ele.length; i++) {
			if (ele[i].style.display != "none" && ele[i].style.visibility != "hidden") {
				ele[i].style.visibility = "hidden";
				this.someToHidden.push(ele[i]);
			}
		}
	}
}, hiddenEle:function (id) {
	var ele = document.getElementById(id);
	if (typeof (ele) != "undefined" && ele != null) {
		ele.style.visibility = "hidden";
		this.someToHidden.push(ele);
	}
}, showSome:function () {
	for (var i = 0; i < this.someToHidden.length; i++) {
		this.someToHidden[i].style.visibility = "visible";
	}
	space("end");
}};


var pop=null;
function popShow(width,height,title,contentUrl){
	if(pop!=null) {pop.close();G("dialogCase").innerHTML='';delete pop;pop=null;G("dialogCase").id="dialogCase"+1;}
	pop = new Popup({'contentType':1,'isSupportDraging':false,'isReloadOnClose':false,'width':width,'height':height});
	pop.setContents({'title':title,'contentUrl':contentUrl});
	pop.build().show();

}

	function setSelects(select,values){
			for(var i = 0; i < select.options.length; i++){
				var option = select.options[i];
				for(var j= 0 ; j < values.length; j++){
					if(option.value == values[j]){
						option.selected = true;
					}
				}
			}
	}
	
	function setCheckBoxies(boxies,values){
			for(var i = 0; i < boxies.length; i++){
				var box = boxies[i];
				for(var j= 0 ; j < values.length; j++){
					if(box.value == values[j]){
						box.checked = true;
					}
				}
			}
	}

	function setRadios(radios,value){
			for(var i = 0; i < radios.length; i++){
				var radio = radios[i];
				if(radio.value == value){
					radio.checked = true;
				}
			}
	}
	
	function setFieldValue(field,value){
	try{
			if(field.type == "select-multiple" && value instanceof Array){
				setSelects(field,value);
			}else if(field[0] != null && field[0].type == "checkbox" && value instanceof Array){
				setCheckBoxies(field,value);
			}else if(field[0]!= null && field[0].type=="radio"){
				setRadios(field,value);
			}else if(field.type == "checkbox"){
				if(field.value == value){
					field.checked = value;
				}
			}else if(field.type == "radio"){
				if(field.value == value){
					field.checked =true; 
				}
			
			}else if(field != null){
				field.value = value;			
			}
		}catch(e){
		
		}
	
	}
	
	
	function fillForm(formName,bean){
		var form = document.forms[formName];
		for(idx in bean){

			setFieldValue(form[idx],bean[idx]);
		
		}
	}
	
	function fillSelect(select,values){
		for(var j= 0 ; j < values.length; j++){						
		  var oOption = document.createElement("OPTION");
          oOption.value=values[j]["value"];
          oOption.text=values[j]["caption"]
          select.options.add(oOption);
		}	
	}	
	
	
var record = new Object;
record.Records = Class.create();
record.Goods=Class.create();
record.cookie_name="yeeson.goods_records";
record.cookie_domain="yeeson.com";
record.MAX_COUNT=6;
record.Goods.prototype.initialize=function( name,serial,brand,price,url,img){
	this.name=name;
	this.serial = serial;
	this.url=url;
	this.brand=brand;
	this.img=img;
	this.price=price;
	this.time=new Date().getTime();
}
record.Records.prototype.initialize = function(){
	this.goodses = $H();
}

record.Records.prototype.addAGoods = function(goods){

	var gds = this.goodses.get(goods.serial);
	if(gds != null){
		this.goodses.set(goods.serial,goods);
		return;
	}
	var deleteGoods = null;
	
	if(this.goodses.keys().length >= record.MAX_COUNT){
		var keys = this.goodses.keys();
		for(var i = 0; i < keys.length; i++){
			var key = keys[i];
			gds = this.goodses.get(key);
			if(deleteGoods == null){
				deleteGoods = gds;
				continue;

			}else{
				if(gds.time < deleteGoods.time){
					deleteGoods =gds;
				}

			}
		}
		if(deleteGoods != null){
			this.goodses.unset(deleteGoods.serial);
		}
		
		
	}
	this.goodses.set(goods.serial,goods);
}

record.Records.prototype.getSorts = function(){
	var values = this.goodses.values();
	
	values = values.sort(function(a,b){return (   b.time-a.time);});
	return values;

}
record.Records.prototype.addGoods = function(name,serial,brand,price,url,img){
	var goods = new record.Goods(name,serial,brand,price,url,img);
	this.addAGoods(goods);
}

record.Records.prototype.store = function(){

	var value = this.goodses.toJSON();
	//alert(value);
	yeeson.Cookie.setCookie(record.cookie_name,value,259200000,"/",record.cookie_domain);

}


record.Records.prototype.load = function(){

	var str = yeeson.Cookie.getCookieValue(record.cookie_name,"");
	this.loadFromString(str);

}

record.Records.prototype.loadFromString = function(record_info){
	delete this.goodses;
	this.goodses = $H();

	var goodses = null;
	if(record_info){
	try{
			goodses = eval("("+record_info+")");
		}catch(e){
			goodses = null;
		}
	}
	this.goodses = $H(goodses);
}


record.Records.prototype.toHTML= function(){
	
	//var str='<div style="width:180px; height: 36px; background-image: url('+image_root+'lljl_01.jpg); background-repeat: no-repeat; font-size: 0px; float:right;" ></div>';
	var str='<div style="width:180px; height: 36px; font-size: 0px; float:right;" ><a href="javascript:;;" onclick="hideBrowser();sc1();"><image src="'+image_root+'lljl_01.jpg" border="0"></image></a></div>';
	str+='<div style="width:164px;height: 260px; background-color:#ffffff;border-right-width: 3px; border-left-width: 3px; border-right-style: solid; border-left-style: solid; border-right-color: #a2dcee; border-left-color: #a2dcee;padding-right: 5px;padding-left: 5px;float:right;" id="browser_rcds_in">';
	//var keys = this.goodses.keys();
	var values = this.getSorts();
	for(var i= 0; i < 6; i++){
		str+='<div class="browser">';
//		var key = keys[i];
//		var goods = this.goodses.get(key);
		var goods = values[i];
		if(goods){
			str+='<div style="width: 79px;text-align: center;height:20px;"></div>'
			str+='<div style="width: 79px;height:58px;"><div style="width:58px; height:58px;margin: auto; clear: both; border: 1px solid #CCCCCC;">';
			str+='<a href="'+goods.url+'" target="_blank" title="'+goods.brand+'；'+goods.name+'"><img src="'+goods.img+'" width="58" height="58" border="0" /></a></div></div>';
			str+='<div style="width: 79px;text-align: center;">￥'+goods.price+'</div>';
		}
		str+='</div>';

	}
	str+='</div>';
	str+='<div style="width:180px; height: 29px; background-image: url('+image_root+'lljl_07.jpg); background-repeat: no-repeat; font-size: 0px;float:right;"></div>';	
	//str+='</div>';
	return str;
  }


function showGrapeWindow(partname,index,count){
	var name = partname+"_"+index;
	var iconname="icon_"+name;
	var obj = $(name);
	var icon = $(iconname);
	obj.show();
	icon.src=image_root+name+"_show.gif";

	for(var i=1; i<=count;i++){
		if(i!=index){
			name=partname+"_"+i;
			iconname="icon_"+name;
			//alert(iconname);
			obj = $(name);
			icon=$(iconname);
			obj.hide();
			icon.src=image_root+name+"_hide.gif";

		}

	}
	return index;

}


function FixWidth(selectObj)
{
	var newSelectObj = document.createElement("select");
	newSelectObj = selectObj.cloneNode(true);
	newSelectObj.selectedIndex = selectObj.selectedIndex;
	newSelectObj.onmouseover = null;

	var e = selectObj;
	var absTop = e.offsetTop;
	var absLeft = e.offsetLeft;
	while(e = e.offsetParent)
	{
	absTop += e.offsetTop;
	absLeft += e.offsetLeft;
	}
	with (newSelectObj.style)
	{
	position = "absolute";
	top = absTop + "px";
	left = absLeft + "px";
	width = "";
	}

	var rollback = function(){ RollbackWidth(selectObj, newSelectObj); };
	newSelectObj.focus();
	newSelectObj.onblur = rollback;
	newSelectObj.onchange = rollback;

	selectObj.style.visibility = "hidden";
	document.body.appendChild(newSelectObj);
}
function RollbackWidth(selectObj, newSelectObj)
{
	selectObj.selectedIndex = newSelectObj.selectedIndex;
	selectObj.style.visibility = "visible";
	document.body.removeChild(newSelectObj);
}

function getDomainFromUrl(the_url){

var lead_slashes = the_url.indexOf("//");
var domain_start = lead_slashes + 2;
var without_resource = the_url.substring(domain_start, the_url.length);
var next_slash = without_resource.indexOf("/");
var domain = without_resource.substring(0, next_slash);
return domain
}


var constant_referrer_url="referrer_url";
function storeReferrer(){
	var referrer = document.referrer;
	if(!referrer){
		return;
	}
	var refdomain= getDomainFromUrl(referrer);
	//alert(refdomain);
	if(refdomain.indexOf(record.cookie_domain) < 0){
		yeeson.Cookie.setCookie(constant_referrer_url,refdomain,259200000,"/",record.cookie_domain);
		
	}
	return;

}