javascript	comment	/*  Prototype JavaScript framework, version 1.4.0
javascript	comment	 *  (c) 2005 Sam Stephenson <sam@conio.net>
javascript	comment	 *
javascript	comment	 *  Prototype is freely distributable under the terms of an MIT-style license.
javascript	comment	 *  For details, see the Prototype web site: http://prototype.conio.net/
javascript	comment	 *
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	var Prototype = {
javascript	code	  Version: '1.4.0',
javascript	code	  ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
javascript	blank	
javascript	code	  emptyFunction: function() {},
javascript	code	  K: function(x) {return x}
javascript	code	}
javascript	blank	
javascript	code	var Class = {
javascript	code	  create: function() {
javascript	code	    return function() {
javascript	code	      this.initialize.apply(this, arguments);
javascript	code	    }
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	var Abstract = new Object();
javascript	blank	
javascript	code	Object.extend = function(destination, source) {
javascript	code	  for (property in source) {
javascript	code	    destination[property] = source[property];
javascript	code	  }
javascript	code	  return destination;
javascript	code	}
javascript	blank	
javascript	code	Object.inspect = function(object) {
javascript	code	  try {
javascript	code	    if (object == undefined) return 'undefined';
javascript	code	    if (object == null) return 'null';
javascript	code	    return object.inspect ? object.inspect() : object.toString();
javascript	code	  } catch (e) {
javascript	code	    if (e instanceof RangeError) return '...';
javascript	code	    throw e;
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Function.prototype.bind = function() {
javascript	code	  var __method = this, args = $A(arguments), object = args.shift();
javascript	code	  return function() {
javascript	code	    return __method.apply(object, args.concat($A(arguments)));
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Function.prototype.bindAsEventListener = function(object) {
javascript	code	  var __method = this;
javascript	code	  return function(event) {
javascript	code	    return __method.call(object, event || window.event);
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Object.extend(Number.prototype, {
javascript	code	  toColorPart: function() {
javascript	code	    var digits = this.toString(16);
javascript	code	    if (this < 16) return '0' + digits;
javascript	code	    return digits;
javascript	code	  },
javascript	blank	
javascript	code	  succ: function() {
javascript	code	    return this + 1;
javascript	code	  },
javascript	blank	
javascript	code	  times: function(iterator) {
javascript	code	    $R(0, this, true).each(iterator);
javascript	code	    return this;
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	var Try = {
javascript	code	  these: function() {
javascript	code	    var returnValue;
javascript	blank	
javascript	code	    for (var i = 0; i < arguments.length; i++) {
javascript	code	      var lambda = arguments[i];
javascript	code	      try {
javascript	code	        returnValue = lambda();
javascript	code	        break;
javascript	code	      } catch (e) {}
javascript	code	    }
javascript	blank	
javascript	code	    return returnValue;
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	var PeriodicalExecuter = Class.create();
javascript	code	PeriodicalExecuter.prototype = {
javascript	code	  initialize: function(callback, frequency) {
javascript	code	    this.callback = callback;
javascript	code	    this.frequency = frequency;
javascript	code	    this.currentlyExecuting = false;
javascript	blank	
javascript	code	    this.registerCallback();
javascript	code	  },
javascript	blank	
javascript	code	  registerCallback: function() {
javascript	code	    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
javascript	code	  },
javascript	blank	
javascript	code	  onTimerEvent: function() {
javascript	code	    if (!this.currentlyExecuting) {
javascript	code	      try {
javascript	code	        this.currentlyExecuting = true;
javascript	code	        this.callback();
javascript	code	      } finally {
javascript	code	        this.currentlyExecuting = false;
javascript	code	      }
javascript	code	    }
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	function $() {
javascript	code	  var elements = new Array();
javascript	blank	
javascript	code	  for (var i = 0; i < arguments.length; i++) {
javascript	code	    var element = arguments[i];
javascript	code	    if (typeof element == 'string')
javascript	code	      element = document.getElementById(element);
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javascript	code	    if (arguments.length == 1)
javascript	code	      return element;
javascript	blank	
javascript	code	    elements.push(element);
javascript	code	  }
javascript	blank	
javascript	code	  return elements;
javascript	code	}
javascript	code	Object.extend(String.prototype, {
javascript	code	  stripTags: function() {
javascript	code	    return this.replace(/<\/?[^>]+>/gi, '');
javascript	code	  },
javascript	blank	
javascript	code	  stripScripts: function() {
javascript	code	    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
javascript	code	  },
javascript	blank	
javascript	code	  extractScripts: function() {
javascript	code	    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
javascript	code	    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
javascript	code	    return (this.match(matchAll) || []).map(function(scriptTag) {
javascript	code	      return (scriptTag.match(matchOne) || ['', ''])[1];
javascript	code	    });
javascript	code	  },
javascript	blank	
javascript	code	  evalScripts: function() {
javascript	code	    return this.extractScripts().map(eval);
javascript	code	  },
javascript	blank	
javascript	code	  escapeHTML: function() {
javascript	code	    var div = document.createElement('div');
javascript	code	    var text = document.createTextNode(this);
javascript	code	    div.appendChild(text);
javascript	code	    return div.innerHTML;
javascript	code	  },
javascript	blank	
javascript	code	  unescapeHTML: function() {
javascript	code	    var div = document.createElement('div');
javascript	code	    div.innerHTML = this.stripTags();
javascript	code	    return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
javascript	code	  },
javascript	blank	
javascript	code	  toQueryParams: function() {
javascript	code	    var pairs = this.match(/^\??(.*)$/)[1].split('&');
javascript	code	    return pairs.inject({}, function(params, pairString) {
javascript	code	      var pair = pairString.split('=');
javascript	code	      params[pair[0]] = pair[1];
javascript	code	      return params;
javascript	code	    });
javascript	code	  },
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javascript	code	  toArray: function() {
javascript	code	    return this.split('');
javascript	code	  },
javascript	blank	
javascript	code	  camelize: function() {
javascript	code	    var oStringList = this.split('-');
javascript	code	    if (oStringList.length == 1) return oStringList[0];
javascript	blank	
javascript	code	    var camelizedString = this.indexOf('-') == 0
javascript	code	      ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
javascript	code	      : oStringList[0];
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javascript	code	    for (var i = 1, len = oStringList.length; i < len; i++) {
javascript	code	      var s = oStringList[i];
javascript	code	      camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
javascript	code	    }
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javascript	code	    return camelizedString;
javascript	code	  },
javascript	blank	
javascript	code	  inspect: function() {
javascript	code	    return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	String.prototype.parseQuery = String.prototype.toQueryParams;
javascript	blank	
javascript	code	var $break    = new Object();
javascript	code	var $continue = new Object();
javascript	blank	
javascript	code	var Enumerable = {
javascript	code	  each: function(iterator) {
javascript	code	    var index = 0;
javascript	code	    try {
javascript	code	      this._each(function(value) {
javascript	code	        try {
javascript	code	          iterator(value, index++);
javascript	code	        } catch (e) {
javascript	code	          if (e != $continue) throw e;
javascript	code	        }
javascript	code	      });
javascript	code	    } catch (e) {
javascript	code	      if (e != $break) throw e;
javascript	code	    }
javascript	code	  },
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javascript	code	  all: function(iterator) {
javascript	code	    var result = true;
javascript	code	    this.each(function(value, index) {
javascript	code	      result = result && !!(iterator || Prototype.K)(value, index);
javascript	code	      if (!result) throw $break;
javascript	code	    });
javascript	code	    return result;
javascript	code	  },
javascript	blank	
javascript	code	  any: function(iterator) {
javascript	code	    var result = true;
javascript	code	    this.each(function(value, index) {
javascript	code	      if (result = !!(iterator || Prototype.K)(value, index))
javascript	code	        throw $break;
javascript	code	    });
javascript	code	    return result;
javascript	code	  },
javascript	blank	
javascript	code	  collect: function(iterator) {
javascript	code	    var results = [];
javascript	code	    this.each(function(value, index) {
javascript	code	      results.push(iterator(value, index));
javascript	code	    });
javascript	code	    return results;
javascript	code	  },
javascript	blank	
javascript	code	  detect: function (iterator) {
javascript	code	    var result;
javascript	code	    this.each(function(value, index) {
javascript	code	      if (iterator(value, index)) {
javascript	code	        result = value;
javascript	code	        throw $break;
javascript	code	      }
javascript	code	    });
javascript	code	    return result;
javascript	code	  },
javascript	blank	
javascript	code	  findAll: function(iterator) {
javascript	code	    var results = [];
javascript	code	    this.each(function(value, index) {
javascript	code	      if (iterator(value, index))
javascript	code	        results.push(value);
javascript	code	    });
javascript	code	    return results;
javascript	code	  },
javascript	blank	
javascript	code	  grep: function(pattern, iterator) {
javascript	code	    var results = [];
javascript	code	    this.each(function(value, index) {
javascript	code	      var stringValue = value.toString();
javascript	code	      if (stringValue.match(pattern))
javascript	code	        results.push((iterator || Prototype.K)(value, index));
javascript	code	    })
javascript	code	    return results;
javascript	code	  },
javascript	blank	
javascript	code	  include: function(object) {
javascript	code	    var found = false;
javascript	code	    this.each(function(value) {
javascript	code	      if (value == object) {
javascript	code	        found = true;
javascript	code	        throw $break;
javascript	code	      }
javascript	code	    });
javascript	code	    return found;
javascript	code	  },
javascript	blank	
javascript	code	  inject: function(memo, iterator) {
javascript	code	    this.each(function(value, index) {
javascript	code	      memo = iterator(memo, value, index);
javascript	code	    });
javascript	code	    return memo;
javascript	code	  },
javascript	blank	
javascript	code	  invoke: function(method) {
javascript	code	    var args = $A(arguments).slice(1);
javascript	code	    return this.collect(function(value) {
javascript	code	      return value[method].apply(value, args);
javascript	code	    });
javascript	code	  },
javascript	blank	
javascript	code	  max: function(iterator) {
javascript	code	    var result;
javascript	code	    this.each(function(value, index) {
javascript	code	      value = (iterator || Prototype.K)(value, index);
javascript	code	      if (value >= (result || value))
javascript	code	        result = value;
javascript	code	    });
javascript	code	    return result;
javascript	code	  },
javascript	blank	
javascript	code	  min: function(iterator) {
javascript	code	    var result;
javascript	code	    this.each(function(value, index) {
javascript	code	      value = (iterator || Prototype.K)(value, index);
javascript	code	      if (value <= (result || value))
javascript	code	        result = value;
javascript	code	    });
javascript	code	    return result;
javascript	code	  },
javascript	blank	
javascript	code	  partition: function(iterator) {
javascript	code	    var trues = [], falses = [];
javascript	code	    this.each(function(value, index) {
javascript	code	      ((iterator || Prototype.K)(value, index) ?
javascript	code	        trues : falses).push(value);
javascript	code	    });
javascript	code	    return [trues, falses];
javascript	code	  },
javascript	blank	
javascript	code	  pluck: function(property) {
javascript	code	    var results = [];
javascript	code	    this.each(function(value, index) {
javascript	code	      results.push(value[property]);
javascript	code	    });
javascript	code	    return results;
javascript	code	  },
javascript	blank	
javascript	code	  reject: function(iterator) {
javascript	code	    var results = [];
javascript	code	    this.each(function(value, index) {
javascript	code	      if (!iterator(value, index))
javascript	code	        results.push(value);
javascript	code	    });
javascript	code	    return results;
javascript	code	  },
javascript	blank	
javascript	code	  sortBy: function(iterator) {
javascript	code	    return this.collect(function(value, index) {
javascript	code	      return {value: value, criteria: iterator(value, index)};
javascript	code	    }).sort(function(left, right) {
javascript	code	      var a = left.criteria, b = right.criteria;
javascript	code	      return a < b ? -1 : a > b ? 1 : 0;
javascript	code	    }).pluck('value');
javascript	code	  },
javascript	blank	
javascript	code	  toArray: function() {
javascript	code	    return this.collect(Prototype.K);
javascript	code	  },
javascript	blank	
javascript	code	  zip: function() {
javascript	code	    var iterator = Prototype.K, args = $A(arguments);
javascript	code	    if (typeof args.last() == 'function')
javascript	code	      iterator = args.pop();
javascript	blank	
javascript	code	    var collections = [this].concat(args).map($A);
javascript	code	    return this.map(function(value, index) {
javascript	code	      iterator(value = collections.pluck(index));
javascript	code	      return value;
javascript	code	    });
javascript	code	  },
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javascript	code	  inspect: function() {
javascript	code	    return '#<Enumerable:' + this.toArray().inspect() + '>';
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Object.extend(Enumerable, {
javascript	code	  map:     Enumerable.collect,
javascript	code	  find:    Enumerable.detect,
javascript	code	  select:  Enumerable.findAll,
javascript	code	  member:  Enumerable.include,
javascript	code	  entries: Enumerable.toArray
javascript	code	});
javascript	code	var $A = Array.from = function(iterable) {
javascript	code	  if (!iterable) return [];
javascript	code	  if (iterable.toArray) {
javascript	code	    return iterable.toArray();
javascript	code	  } else {
javascript	code	    var results = [];
javascript	code	    for (var i = 0; i < iterable.length; i++)
javascript	code	      results.push(iterable[i]);
javascript	code	    return results;
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Object.extend(Array.prototype, Enumerable);
javascript	blank	
javascript	code	Array.prototype._reverse = Array.prototype.reverse;
javascript	blank	
javascript	code	Object.extend(Array.prototype, {
javascript	code	  _each: function(iterator) {
javascript	code	    for (var i = 0; i < this.length; i++)
javascript	code	      iterator(this[i]);
javascript	code	  },
javascript	blank	
javascript	code	  clear: function() {
javascript	code	    this.length = 0;
javascript	code	    return this;
javascript	code	  },
javascript	blank	
javascript	code	  first: function() {
javascript	code	    return this[0];
javascript	code	  },
javascript	blank	
javascript	code	  last: function() {
javascript	code	    return this[this.length - 1];
javascript	code	  },
javascript	blank	
javascript	code	  compact: function() {
javascript	code	    return this.select(function(value) {
javascript	code	      return value != undefined || value != null;
javascript	code	    });
javascript	code	  },
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javascript	code	  flatten: function() {
javascript	code	    return this.inject([], function(array, value) {
javascript	code	      return array.concat(value.constructor == Array ?
javascript	code	        value.flatten() : [value]);
javascript	code	    });
javascript	code	  },
javascript	blank	
javascript	code	  without: function() {
javascript	code	    var values = $A(arguments);
javascript	code	    return this.select(function(value) {
javascript	code	      return !values.include(value);
javascript	code	    });
javascript	code	  },
javascript	blank	
javascript	code	  indexOf: function(object) {
javascript	code	    for (var i = 0; i < this.length; i++)
javascript	code	      if (this[i] == object) return i;
javascript	code	    return -1;
javascript	code	  },
javascript	blank	
javascript	code	  reverse: function(inline) {
javascript	code	    return (inline !== false ? this : this.toArray())._reverse();
javascript	code	  },
javascript	blank	
javascript	code	  shift: function() {
javascript	code	    var result = this[0];
javascript	code	    for (var i = 0; i < this.length - 1; i++)
javascript	code	      this[i] = this[i + 1];
javascript	code	    this.length--;
javascript	code	    return result;
javascript	code	  },
javascript	blank	
javascript	code	  inspect: function() {
javascript	code	    return '[' + this.map(Object.inspect).join(', ') + ']';
javascript	code	  }
javascript	code	});
javascript	code	var Hash = {
javascript	code	  _each: function(iterator) {
javascript	code	    for (key in this) {
javascript	code	      var value = this[key];
javascript	code	      if (typeof value == 'function') continue;
javascript	blank	
javascript	code	      var pair = [key, value];
javascript	code	      pair.key = key;
javascript	code	      pair.value = value;
javascript	code	      iterator(pair);
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  keys: function() {
javascript	code	    return this.pluck('key');
javascript	code	  },
javascript	blank	
javascript	code	  values: function() {
javascript	code	    return this.pluck('value');
javascript	code	  },
javascript	blank	
javascript	code	  merge: function(hash) {
javascript	code	    return $H(hash).inject($H(this), function(mergedHash, pair) {
javascript	code	      mergedHash[pair.key] = pair.value;
javascript	code	      return mergedHash;
javascript	code	    });
javascript	code	  },
javascript	blank	
javascript	code	  toQueryString: function() {
javascript	code	    return this.map(function(pair) {
javascript	code	      return pair.map(encodeURIComponent).join('=');
javascript	code	    }).join('&');
javascript	code	  },
javascript	blank	
javascript	code	  inspect: function() {
javascript	code	    return '#<Hash:{' + this.map(function(pair) {
javascript	code	      return pair.map(Object.inspect).join(': ');
javascript	code	    }).join(', ') + '}>';
javascript	code	  }
javascript	code	}
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javascript	code	function $H(object) {
javascript	code	  var hash = Object.extend({}, object || {});
javascript	code	  Object.extend(hash, Enumerable);
javascript	code	  Object.extend(hash, Hash);
javascript	code	  return hash;
javascript	code	}
javascript	code	ObjectRange = Class.create();
javascript	code	Object.extend(ObjectRange.prototype, Enumerable);
javascript	code	Object.extend(ObjectRange.prototype, {
javascript	code	  initialize: function(start, end, exclusive) {
javascript	code	    this.start = start;
javascript	code	    this.end = end;
javascript	code	    this.exclusive = exclusive;
javascript	code	  },
javascript	blank	
javascript	code	  _each: function(iterator) {
javascript	code	    var value = this.start;
javascript	code	    do {
javascript	code	      iterator(value);
javascript	code	      value = value.succ();
javascript	code	    } while (this.include(value));
javascript	code	  },
javascript	blank	
javascript	code	  include: function(value) {
javascript	code	    if (value < this.start)
javascript	code	      return false;
javascript	code	    if (this.exclusive)
javascript	code	      return value < this.end;
javascript	code	    return value <= this.end;
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	var $R = function(start, end, exclusive) {
javascript	code	  return new ObjectRange(start, end, exclusive);
javascript	code	}
javascript	blank	
javascript	code	var Ajax = {
javascript	code	  getTransport: function() {
javascript	code	    return Try.these(
javascript	code	      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
javascript	code	      function() {return new ActiveXObject('Microsoft.XMLHTTP')},
javascript	code	      function() {return new XMLHttpRequest()}
javascript	code	    ) || false;
javascript	code	  },
javascript	blank	
javascript	code	  activeRequestCount: 0
javascript	code	}
javascript	blank	
javascript	code	Ajax.Responders = {
javascript	code	  responders: [],
javascript	blank	
javascript	code	  _each: function(iterator) {
javascript	code	    this.responders._each(iterator);
javascript	code	  },
javascript	blank	
javascript	code	  register: function(responderToAdd) {
javascript	code	    if (!this.include(responderToAdd))
javascript	code	      this.responders.push(responderToAdd);
javascript	code	  },
javascript	blank	
javascript	code	  unregister: function(responderToRemove) {
javascript	code	    this.responders = this.responders.without(responderToRemove);
javascript	code	  },
javascript	blank	
javascript	code	  dispatch: function(callback, request, transport, json) {
javascript	code	    this.each(function(responder) {
javascript	code	      if (responder[callback] && typeof responder[callback] == 'function') {
javascript	code	        try {
javascript	code	          responder[callback].apply(responder, [request, transport, json]);
javascript	code	        } catch (e) {}
javascript	code	      }
javascript	code	    });
javascript	code	  }
javascript	code	};
javascript	blank	
javascript	code	Object.extend(Ajax.Responders, Enumerable);
javascript	blank	
javascript	code	Ajax.Responders.register({
javascript	code	  onCreate: function() {
javascript	code	    Ajax.activeRequestCount++;
javascript	code	  },
javascript	blank	
javascript	code	  onComplete: function() {
javascript	code	    Ajax.activeRequestCount--;
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	Ajax.Base = function() {};
javascript	code	Ajax.Base.prototype = {
javascript	code	  setOptions: function(options) {
javascript	code	    this.options = {
javascript	code	      method:       'post',
javascript	code	      asynchronous: true,
javascript	code	      parameters:   ''
javascript	code	    }
javascript	code	    Object.extend(this.options, options || {});
javascript	code	  },
javascript	blank	
javascript	code	  responseIsSuccess: function() {
javascript	code	    return this.transport.status == undefined
javascript	code	        || this.transport.status == 0
javascript	code	        || (this.transport.status >= 200 && this.transport.status < 300);
javascript	code	  },
javascript	blank	
javascript	code	  responseIsFailure: function() {
javascript	code	    return !this.responseIsSuccess();
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Ajax.Request = Class.create();
javascript	code	Ajax.Request.Events =
javascript	code	  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
javascript	blank	
javascript	code	Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
javascript	code	  initialize: function(url, options) {
javascript	code	    this.transport = Ajax.getTransport();
javascript	code	    this.setOptions(options);
javascript	code	    this.request(url);
javascript	code	  },
javascript	blank	
javascript	code	  request: function(url) {
javascript	code	    var parameters = this.options.parameters || '';
javascript	code	    if (parameters.length > 0) parameters += '&_=';
javascript	blank	
javascript	code	    try {
javascript	code	      this.url = url;
javascript	code	      if (this.options.method == 'get' && parameters.length > 0)
javascript	code	        this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
javascript	blank	
javascript	code	      Ajax.Responders.dispatch('onCreate', this, this.transport);
javascript	blank	
javascript	code	      this.transport.open(this.options.method, this.url,
javascript	code	        this.options.asynchronous);
javascript	blank	
javascript	code	      if (this.options.asynchronous) {
javascript	code	        this.transport.onreadystatechange = this.onStateChange.bind(this);
javascript	code	        setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
javascript	code	      }
javascript	blank	
javascript	code	      this.setRequestHeaders();
javascript	blank	
javascript	code	      var body = this.options.postBody ? this.options.postBody : parameters;
javascript	code	      this.transport.send(this.options.method == 'post' ? body : null);
javascript	blank	
javascript	code	    } catch (e) {
javascript	code	      this.dispatchException(e);
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  setRequestHeaders: function() {
javascript	code	    var requestHeaders =
javascript	code	      ['X-Requested-With', 'XMLHttpRequest',
javascript	code	       'X-Prototype-Version', Prototype.Version];
javascript	blank	
javascript	code	    if (this.options.method == 'post') {
javascript	code	      requestHeaders.push('Content-type',
javascript	code	        'application/x-www-form-urlencoded');
javascript	blank	
javascript	comment	      /* Force "Connection: close" for Mozilla browsers to work around
javascript	comment	       * a bug where XMLHttpReqeuest sends an incorrect Content-length
javascript	comment	       * header. See Mozilla Bugzilla #246651.
javascript	comment	       */
javascript	code	      if (this.transport.overrideMimeType)
javascript	code	        requestHeaders.push('Connection', 'close');
javascript	code	    }
javascript	blank	
javascript	code	    if (this.options.requestHeaders)
javascript	code	      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
javascript	blank	
javascript	code	    for (var i = 0; i < requestHeaders.length; i += 2)
javascript	code	      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
javascript	code	  },
javascript	blank	
javascript	code	  onStateChange: function() {
javascript	code	    var readyState = this.transport.readyState;
javascript	code	    if (readyState != 1)
javascript	code	      this.respondToReadyState(this.transport.readyState);
javascript	code	  },
javascript	blank	
javascript	code	  header: function(name) {
javascript	code	    try {
javascript	code	      return this.transport.getResponseHeader(name);
javascript	code	    } catch (e) {}
javascript	code	  },
javascript	blank	
javascript	code	  evalJSON: function() {
javascript	code	    try {
javascript	code	      return eval(this.header('X-JSON'));
javascript	code	    } catch (e) {}
javascript	code	  },
javascript	blank	
javascript	code	  evalResponse: function() {
javascript	code	    try {
javascript	code	      return eval(this.transport.responseText);
javascript	code	    } catch (e) {
javascript	code	      this.dispatchException(e);
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  respondToReadyState: function(readyState) {
javascript	code	    var event = Ajax.Request.Events[readyState];
javascript	code	    var transport = this.transport, json = this.evalJSON();
javascript	blank	
javascript	code	    if (event == 'Complete') {
javascript	code	      try {
javascript	code	        (this.options['on' + this.transport.status]
javascript	code	         || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
javascript	code	         || Prototype.emptyFunction)(transport, json);
javascript	code	      } catch (e) {
javascript	code	        this.dispatchException(e);
javascript	code	      }
javascript	blank	
javascript	code	      if ((this.header('Content-type') || '').match(/^text\/javascript/i))
javascript	code	        this.evalResponse();
javascript	code	    }
javascript	blank	
javascript	code	    try {
javascript	code	      (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
javascript	code	      Ajax.Responders.dispatch('on' + event, this, transport, json);
javascript	code	    } catch (e) {
javascript	code	      this.dispatchException(e);
javascript	code	    }
javascript	blank	
javascript	comment	    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
javascript	code	    if (event == 'Complete')
javascript	code	      this.transport.onreadystatechange = Prototype.emptyFunction;
javascript	code	  },
javascript	blank	
javascript	code	  dispatchException: function(exception) {
javascript	code	    (this.options.onException || Prototype.emptyFunction)(this, exception);
javascript	code	    Ajax.Responders.dispatch('onException', this, exception);
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	Ajax.Updater = Class.create();
javascript	blank	
javascript	code	Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
javascript	code	  initialize: function(container, url, options) {
javascript	code	    this.containers = {
javascript	code	      success: container.success ? $(container.success) : $(container),
javascript	code	      failure: container.failure ? $(container.failure) :
javascript	code	        (container.success ? null : $(container))
javascript	code	    }
javascript	blank	
javascript	code	    this.transport = Ajax.getTransport();
javascript	code	    this.setOptions(options);
javascript	blank	
javascript	code	    var onComplete = this.options.onComplete || Prototype.emptyFunction;
javascript	code	    this.options.onComplete = (function(transport, object) {
javascript	code	      this.updateContent();
javascript	code	      onComplete(transport, object);
javascript	code	    }).bind(this);
javascript	blank	
javascript	code	    this.request(url);
javascript	code	  },
javascript	blank	
javascript	code	  updateContent: function() {
javascript	code	    var receiver = this.responseIsSuccess() ?
javascript	code	      this.containers.success : this.containers.failure;
javascript	code	    var response = this.transport.responseText;
javascript	blank	
javascript	code	    if (!this.options.evalScripts)
javascript	code	      response = response.stripScripts();
javascript	blank	
javascript	code	    if (receiver) {
javascript	code	      if (this.options.insertion) {
javascript	code	        new this.options.insertion(receiver, response);
javascript	code	      } else {
javascript	code	        Element.update(receiver, response);
javascript	code	      }
javascript	code	    }
javascript	blank	
javascript	code	    if (this.responseIsSuccess()) {
javascript	code	      if (this.onComplete)
javascript	code	        setTimeout(this.onComplete.bind(this), 10);
javascript	code	    }
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	Ajax.PeriodicalUpdater = Class.create();
javascript	code	Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
javascript	code	  initialize: function(container, url, options) {
javascript	code	    this.setOptions(options);
javascript	code	    this.onComplete = this.options.onComplete;
javascript	blank	
javascript	code	    this.frequency = (this.options.frequency || 2);
javascript	code	    this.decay = (this.options.decay || 1);
javascript	blank	
javascript	code	    this.updater = {};
javascript	code	    this.container = container;
javascript	code	    this.url = url;
javascript	blank	
javascript	code	    this.start();
javascript	code	  },
javascript	blank	
javascript	code	  start: function() {
javascript	code	    this.options.onComplete = this.updateComplete.bind(this);
javascript	code	    this.onTimerEvent();
javascript	code	  },
javascript	blank	
javascript	code	  stop: function() {
javascript	code	    this.updater.onComplete = undefined;
javascript	code	    clearTimeout(this.timer);
javascript	code	    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
javascript	code	  },
javascript	blank	
javascript	code	  updateComplete: function(request) {
javascript	code	    if (this.options.decay) {
javascript	code	      this.decay = (request.responseText == this.lastText ?
javascript	code	        this.decay * this.options.decay : 1);
javascript	blank	
javascript	code	      this.lastText = request.responseText;
javascript	code	    }
javascript	code	    this.timer = setTimeout(this.onTimerEvent.bind(this),
javascript	code	      this.decay * this.frequency * 1000);
javascript	code	  },
javascript	blank	
javascript	code	  onTimerEvent: function() {
javascript	code	    this.updater = new Ajax.Updater(this.container, this.url, this.options);
javascript	code	  }
javascript	code	});
javascript	code	document.getElementsByClassName = function(className, parentElement) {
javascript	code	  var children = ($(parentElement) || document.body).getElementsByTagName('*');
javascript	code	  return $A(children).inject([], function(elements, child) {
javascript	code	    if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
javascript	code	      elements.push(child);
javascript	code	    return elements;
javascript	code	  });
javascript	code	}
javascript	blank	
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	if (!window.Element) {
javascript	code	  var Element = new Object();
javascript	code	}
javascript	blank	
javascript	code	Object.extend(Element, {
javascript	code	  visible: function(element) {
javascript	code	    return $(element).style.display != 'none';
javascript	code	  },
javascript	blank	
javascript	code	  toggle: function() {
javascript	code	    for (var i = 0; i < arguments.length; i++) {
javascript	code	      var element = $(arguments[i]);
javascript	code	      Element[Element.visible(element) ? 'hide' : 'show'](element);
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  hide: function() {
javascript	code	    for (var i = 0; i < arguments.length; i++) {
javascript	code	      var element = $(arguments[i]);
javascript	code	      element.style.display = 'none';
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  show: function() {
javascript	code	    for (var i = 0; i < arguments.length; i++) {
javascript	code	      var element = $(arguments[i]);
javascript	code	      element.style.display = '';
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  remove: function(element) {
javascript	code	    element = $(element);
javascript	code	    element.parentNode.removeChild(element);
javascript	code	  },
javascript	blank	
javascript	code	  update: function(element, html) {
javascript	code	    $(element).innerHTML = html.stripScripts();
javascript	code	    setTimeout(function() {html.evalScripts()}, 10);
javascript	code	  },
javascript	blank	
javascript	code	  getHeight: function(element) {
javascript	code	    element = $(element);
javascript	code	    return element.offsetHeight;
javascript	code	  },
javascript	blank	
javascript	code	  classNames: function(element) {
javascript	code	    return new Element.ClassNames(element);
javascript	code	  },
javascript	blank	
javascript	code	  hasClassName: function(element, className) {
javascript	code	    if (!(element = $(element))) return;
javascript	code	    return Element.classNames(element).include(className);
javascript	code	  },
javascript	blank	
javascript	code	  addClassName: function(element, className) {
javascript	code	    if (!(element = $(element))) return;
javascript	code	    return Element.classNames(element).add(className);
javascript	code	  },
javascript	blank	
javascript	code	  removeClassName: function(element, className) {
javascript	code	    if (!(element = $(element))) return;
javascript	code	    return Element.classNames(element).remove(className);
javascript	code	  },
javascript	blank	
javascript	comment	  // removes whitespace-only text node children
javascript	code	  cleanWhitespace: function(element) {
javascript	code	    element = $(element);
javascript	code	    for (var i = 0; i < element.childNodes.length; i++) {
javascript	code	      var node = element.childNodes[i];
javascript	code	      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
javascript	code	        Element.remove(node);
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  empty: function(element) {
javascript	code	    return $(element).innerHTML.match(/^\s*$/);
javascript	code	  },
javascript	blank	
javascript	code	  scrollTo: function(element) {
javascript	code	    element = $(element);
javascript	code	    var x = element.x ? element.x : element.offsetLeft,
javascript	code	        y = element.y ? element.y : element.offsetTop;
javascript	code	    window.scrollTo(x, y);
javascript	code	  },
javascript	blank	
javascript	code	  getStyle: function(element, style) {
javascript	code	    element = $(element);
javascript	code	    var value = element.style[style.camelize()];
javascript	code	    if (!value) {
javascript	code	      if (document.defaultView && document.defaultView.getComputedStyle) {
javascript	code	        var css = document.defaultView.getComputedStyle(element, null);
javascript	code	        value = css ? css.getPropertyValue(style) : null;
javascript	code	      } else if (element.currentStyle) {
javascript	code	        value = element.currentStyle[style.camelize()];
javascript	code	      }
javascript	code	    }
javascript	blank	
javascript	code	    if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
javascript	code	      if (Element.getStyle(element, 'position') == 'static') value = 'auto';
javascript	blank	
javascript	code	    return value == 'auto' ? null : value;
javascript	code	  },
javascript	blank	
javascript	code	  setStyle: function(element, style) {
javascript	code	    element = $(element);
javascript	code	    for (name in style)
javascript	code	      element.style[name.camelize()] = style[name];
javascript	code	  },
javascript	blank	
javascript	code	  getDimensions: function(element) {
javascript	code	    element = $(element);
javascript	code	    if (Element.getStyle(element, 'display') != 'none')
javascript	code	      return {width: element.offsetWidth, height: element.offsetHeight};
javascript	blank	
javascript	comment	    // All *Width and *Height properties give 0 on elements with display none,
javascript	comment	    // so enable the element temporarily
javascript	code	    var els = element.style;
javascript	code	    var originalVisibility = els.visibility;
javascript	code	    var originalPosition = els.position;
javascript	code	    els.visibility = 'hidden';
javascript	code	    els.position = 'absolute';
javascript	code	    els.display = '';
javascript	code	    var originalWidth = element.clientWidth;
javascript	code	    var originalHeight = element.clientHeight;
javascript	code	    els.display = 'none';
javascript	code	    els.position = originalPosition;
javascript	code	    els.visibility = originalVisibility;
javascript	code	    return {width: originalWidth, height: originalHeight};
javascript	code	  },
javascript	blank	
javascript	code	  makePositioned: function(element) {
javascript	code	    element = $(element);
javascript	code	    var pos = Element.getStyle(element, 'position');
javascript	code	    if (pos == 'static' || !pos) {
javascript	code	      element._madePositioned = true;
javascript	code	      element.style.position = 'relative';
javascript	comment	      // Opera returns the offset relative to the positioning context, when an
javascript	comment	      // element is position relative but top and left have not been defined
javascript	code	      if (window.opera) {
javascript	code	        element.style.top = 0;
javascript	code	        element.style.left = 0;
javascript	code	      }
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  undoPositioned: function(element) {
javascript	code	    element = $(element);
javascript	code	    if (element._madePositioned) {
javascript	code	      element._madePositioned = undefined;
javascript	code	      element.style.position =
javascript	code	        element.style.top =
javascript	code	        element.style.left =
javascript	code	        element.style.bottom =
javascript	code	        element.style.right = '';
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  makeClipping: function(element) {
javascript	code	    element = $(element);
javascript	code	    if (element._overflow) return;
javascript	code	    element._overflow = element.style.overflow;
javascript	code	    if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
javascript	code	      element.style.overflow = 'hidden';
javascript	code	  },
javascript	blank	
javascript	code	  undoClipping: function(element) {
javascript	code	    element = $(element);
javascript	code	    if (element._overflow) return;
javascript	code	    element.style.overflow = element._overflow;
javascript	code	    element._overflow = undefined;
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	var Toggle = new Object();
javascript	code	Toggle.display = Element.toggle;
javascript	blank	
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	Abstract.Insertion = function(adjacency) {
javascript	code	  this.adjacency = adjacency;
javascript	code	}
javascript	blank	
javascript	code	Abstract.Insertion.prototype = {
javascript	code	  initialize: function(element, content) {
javascript	code	    this.element = $(element);
javascript	code	    this.content = content.stripScripts();
javascript	blank	
javascript	code	    if (this.adjacency && this.element.insertAdjacentHTML) {
javascript	code	      try {
javascript	code	        this.element.insertAdjacentHTML(this.adjacency, this.content);
javascript	code	      } catch (e) {
javascript	code	        if (this.element.tagName.toLowerCase() == 'tbody') {
javascript	code	          this.insertContent(this.contentFromAnonymousTable());
javascript	code	        } else {
javascript	code	          throw e;
javascript	code	        }
javascript	code	      }
javascript	code	    } else {
javascript	code	      this.range = this.element.ownerDocument.createRange();
javascript	code	      if (this.initializeRange) this.initializeRange();
javascript	code	      this.insertContent([this.range.createContextualFragment(this.content)]);
javascript	code	    }
javascript	blank	
javascript	code	    setTimeout(function() {content.evalScripts()}, 10);
javascript	code	  },
javascript	blank	
javascript	code	  contentFromAnonymousTable: function() {
javascript	code	    var div = document.createElement('div');
javascript	code	    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
javascript	code	    return $A(div.childNodes[0].childNodes[0].childNodes);
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	var Insertion = new Object();
javascript	blank	
javascript	code	Insertion.Before = Class.create();
javascript	code	Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
javascript	code	  initializeRange: function() {
javascript	code	    this.range.setStartBefore(this.element);
javascript	code	  },
javascript	blank	
javascript	code	  insertContent: function(fragments) {
javascript	code	    fragments.each((function(fragment) {
javascript	code	      this.element.parentNode.insertBefore(fragment, this.element);
javascript	code	    }).bind(this));
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	Insertion.Top = Class.create();
javascript	code	Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
javascript	code	  initializeRange: function() {
javascript	code	    this.range.selectNodeContents(this.element);
javascript	code	    this.range.collapse(true);
javascript	code	  },
javascript	blank	
javascript	code	  insertContent: function(fragments) {
javascript	code	    fragments.reverse(false).each((function(fragment) {
javascript	code	      this.element.insertBefore(fragment, this.element.firstChild);
javascript	code	    }).bind(this));
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	Insertion.Bottom = Class.create();
javascript	code	Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
javascript	code	  initializeRange: function() {
javascript	code	    this.range.selectNodeContents(this.element);
javascript	code	    this.range.collapse(this.element);
javascript	code	  },
javascript	blank	
javascript	code	  insertContent: function(fragments) {
javascript	code	    fragments.each((function(fragment) {
javascript	code	      this.element.appendChild(fragment);
javascript	code	    }).bind(this));
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	Insertion.After = Class.create();
javascript	code	Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
javascript	code	  initializeRange: function() {
javascript	code	    this.range.setStartAfter(this.element);
javascript	code	  },
javascript	blank	
javascript	code	  insertContent: function(fragments) {
javascript	code	    fragments.each((function(fragment) {
javascript	code	      this.element.parentNode.insertBefore(fragment,
javascript	code	        this.element.nextSibling);
javascript	code	    }).bind(this));
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	Element.ClassNames = Class.create();
javascript	code	Element.ClassNames.prototype = {
javascript	code	  initialize: function(element) {
javascript	code	    this.element = $(element);
javascript	code	  },
javascript	blank	
javascript	code	  _each: function(iterator) {
javascript	code	    this.element.className.split(/\s+/).select(function(name) {
javascript	code	      return name.length > 0;
javascript	code	    })._each(iterator);
javascript	code	  },
javascript	blank	
javascript	code	  set: function(className) {
javascript	code	    this.element.className = className;
javascript	code	  },
javascript	blank	
javascript	code	  add: function(classNameToAdd) {
javascript	code	    if (this.include(classNameToAdd)) return;
javascript	code	    this.set(this.toArray().concat(classNameToAdd).join(' '));
javascript	code	  },
javascript	blank	
javascript	code	  remove: function(classNameToRemove) {
javascript	code	    if (!this.include(classNameToRemove)) return;
javascript	code	    this.set(this.select(function(className) {
javascript	code	      return className != classNameToRemove;
javascript	code	    }).join(' '));
javascript	code	  },
javascript	blank	
javascript	code	  toString: function() {
javascript	code	    return this.toArray().join(' ');
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Object.extend(Element.ClassNames.prototype, Enumerable);
javascript	code	var Field = {
javascript	code	  clear: function() {
javascript	code	    for (var i = 0; i < arguments.length; i++)
javascript	code	      $(arguments[i]).value = '';
javascript	code	  },
javascript	blank	
javascript	code	  focus: function(element) {
javascript	code	    $(element).focus();
javascript	code	  },
javascript	blank	
javascript	code	  present: function() {
javascript	code	    for (var i = 0; i < arguments.length; i++)
javascript	code	      if ($(arguments[i]).value == '') return false;
javascript	code	    return true;
javascript	code	  },
javascript	blank	
javascript	code	  select: function(element) {
javascript	code	    $(element).select();
javascript	code	  },
javascript	blank	
javascript	code	  activate: function(element) {
javascript	code	    element = $(element);
javascript	code	    element.focus();
javascript	code	    if (element.select)
javascript	code	      element.select();
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	var Form = {
javascript	code	  serialize: function(form) {
javascript	code	    var elements = Form.getElements($(form));
javascript	code	    var queryComponents = new Array();
javascript	blank	
javascript	code	    for (var i = 0; i < elements.length; i++) {
javascript	code	      var queryComponent = Form.Element.serialize(elements[i]);
javascript	code	      if (queryComponent)
javascript	code	        queryComponents.push(queryComponent);
javascript	code	    }
javascript	blank	
javascript	code	    return queryComponents.join('&');
javascript	code	  },
javascript	blank	
javascript	code	  getElements: function(form) {
javascript	code	    form = $(form);
javascript	code	    var elements = new Array();
javascript	blank	
javascript	code	    for (tagName in Form.Element.Serializers) {
javascript	code	      var tagElements = form.getElementsByTagName(tagName);
javascript	code	      for (var j = 0; j < tagElements.length; j++)
javascript	code	        elements.push(tagElements[j]);
javascript	code	    }
javascript	code	    return elements;
javascript	code	  },
javascript	blank	
javascript	code	  getInputs: function(form, typeName, name) {
javascript	code	    form = $(form);
javascript	code	    var inputs = form.getElementsByTagName('input');
javascript	blank	
javascript	code	    if (!typeName && !name)
javascript	code	      return inputs;
javascript	blank	
javascript	code	    var matchingInputs = new Array();
javascript	code	    for (var i = 0; i < inputs.length; i++) {
javascript	code	      var input = inputs[i];
javascript	code	      if ((typeName && input.type != typeName) ||
javascript	code	          (name && input.name != name))
javascript	code	        continue;
javascript	code	      matchingInputs.push(input);
javascript	code	    }
javascript	blank	
javascript	code	    return matchingInputs;
javascript	code	  },
javascript	blank	
javascript	code	  disable: function(form) {
javascript	code	    var elements = Form.getElements(form);
javascript	code	    for (var i = 0; i < elements.length; i++) {
javascript	code	      var element = elements[i];
javascript	code	      element.blur();
javascript	code	      element.disabled = 'true';
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  enable: function(form) {
javascript	code	    var elements = Form.getElements(form);
javascript	code	    for (var i = 0; i < elements.length; i++) {
javascript	code	      var element = elements[i];
javascript	code	      element.disabled = '';
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  findFirstElement: function(form) {
javascript	code	    return Form.getElements(form).find(function(element) {
javascript	code	      return element.type != 'hidden' && !element.disabled &&
javascript	code	        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
javascript	code	    });
javascript	code	  },
javascript	blank	
javascript	code	  focusFirstElement: function(form) {
javascript	code	    Field.activate(Form.findFirstElement(form));
javascript	code	  },
javascript	blank	
javascript	code	  reset: function(form) {
javascript	code	    $(form).reset();
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Form.Element = {
javascript	code	  serialize: function(element) {
javascript	code	    element = $(element);
javascript	code	    var method = element.tagName.toLowerCase();
javascript	code	    var parameter = Form.Element.Serializers[method](element);
javascript	blank	
javascript	code	    if (parameter) {
javascript	code	      var key = encodeURIComponent(parameter[0]);
javascript	code	      if (key.length == 0) return;
javascript	blank	
javascript	code	      if (parameter[1].constructor != Array)
javascript	code	        parameter[1] = [parameter[1]];
javascript	blank	
javascript	code	      return parameter[1].map(function(value) {
javascript	code	        return key + '=' + encodeURIComponent(value);
javascript	code	      }).join('&');
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  getValue: function(element) {
javascript	code	    element = $(element);
javascript	code	    var method = element.tagName.toLowerCase();
javascript	code	    var parameter = Form.Element.Serializers[method](element);
javascript	blank	
javascript	code	    if (parameter)
javascript	code	      return parameter[1];
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Form.Element.Serializers = {
javascript	code	  input: function(element) {
javascript	code	    switch (element.type.toLowerCase()) {
javascript	code	      case 'submit':
javascript	code	      case 'hidden':
javascript	code	      case 'password':
javascript	code	      case 'text':
javascript	code	        return Form.Element.Serializers.textarea(element);
javascript	code	      case 'checkbox':
javascript	code	      case 'radio':
javascript	code	        return Form.Element.Serializers.inputSelector(element);
javascript	code	    }
javascript	code	    return false;
javascript	code	  },
javascript	blank	
javascript	code	  inputSelector: function(element) {
javascript	code	    if (element.checked)
javascript	code	      return [element.name, element.value];
javascript	code	  },
javascript	blank	
javascript	code	  textarea: function(element) {
javascript	code	    return [element.name, element.value];
javascript	code	  },
javascript	blank	
javascript	code	  select: function(element) {
javascript	code	    return Form.Element.Serializers[element.type == 'select-one' ?
javascript	code	      'selectOne' : 'selectMany'](element);
javascript	code	  },
javascript	blank	
javascript	code	  selectOne: function(element) {
javascript	code	    var value = '', opt, index = element.selectedIndex;
javascript	code	    if (index >= 0) {
javascript	code	      opt = element.options[index];
javascript	code	      value = opt.value;
javascript	code	      if (!value && !('value' in opt))
javascript	code	        value = opt.text;
javascript	code	    }
javascript	code	    return [element.name, value];
javascript	code	  },
javascript	blank	
javascript	code	  selectMany: function(element) {
javascript	code	    var value = new Array();
javascript	code	    for (var i = 0; i < element.length; i++) {
javascript	code	      var opt = element.options[i];
javascript	code	      if (opt.selected) {
javascript	code	        var optValue = opt.value;
javascript	code	        if (!optValue && !('value' in opt))
javascript	code	          optValue = opt.text;
javascript	code	        value.push(optValue);
javascript	code	      }
javascript	code	    }
javascript	code	    return [element.name, value];
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	var $F = Form.Element.getValue;
javascript	blank	
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	Abstract.TimedObserver = function() {}
javascript	code	Abstract.TimedObserver.prototype = {
javascript	code	  initialize: function(element, frequency, callback) {
javascript	code	    this.frequency = frequency;
javascript	code	    this.element   = $(element);
javascript	code	    this.callback  = callback;
javascript	blank	
javascript	code	    this.lastValue = this.getValue();
javascript	code	    this.registerCallback();
javascript	code	  },
javascript	blank	
javascript	code	  registerCallback: function() {
javascript	code	    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
javascript	code	  },
javascript	blank	
javascript	code	  onTimerEvent: function() {
javascript	code	    var value = this.getValue();
javascript	code	    if (this.lastValue != value) {
javascript	code	      this.callback(this.element, value);
javascript	code	      this.lastValue = value;
javascript	code	    }
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Form.Element.Observer = Class.create();
javascript	code	Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
javascript	code	  getValue: function() {
javascript	code	    return Form.Element.getValue(this.element);
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	Form.Observer = Class.create();
javascript	code	Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
javascript	code	  getValue: function() {
javascript	code	    return Form.serialize(this.element);
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	comment	/*--------------------------------------------------------------------------*/
javascript	blank	
javascript	code	Abstract.EventObserver = function() {}
javascript	code	Abstract.EventObserver.prototype = {
javascript	code	  initialize: function(element, callback) {
javascript	code	    this.element  = $(element);
javascript	code	    this.callback = callback;
javascript	blank	
javascript	code	    this.lastValue = this.getValue();
javascript	code	    if (this.element.tagName.toLowerCase() == 'form')
javascript	code	      this.registerFormCallbacks();
javascript	code	    else
javascript	code	      this.registerCallback(this.element);
javascript	code	  },
javascript	blank	
javascript	code	  onElementEvent: function() {
javascript	code	    var value = this.getValue();
javascript	code	    if (this.lastValue != value) {
javascript	code	      this.callback(this.element, value);
javascript	code	      this.lastValue = value;
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  registerFormCallbacks: function() {
javascript	code	    var elements = Form.getElements(this.element);
javascript	code	    for (var i = 0; i < elements.length; i++)
javascript	code	      this.registerCallback(elements[i]);
javascript	code	  },
javascript	blank	
javascript	code	  registerCallback: function(element) {
javascript	code	    if (element.type) {
javascript	code	      switch (element.type.toLowerCase()) {
javascript	code	        case 'checkbox':
javascript	code	        case 'radio':
javascript	code	          Event.observe(element, 'click', this.onElementEvent.bind(this));
javascript	code	          break;
javascript	code	        case 'password':
javascript	code	        case 'text':
javascript	code	        case 'textarea':
javascript	code	        case 'select-one':
javascript	code	        case 'select-multiple':
javascript	code	          Event.observe(element, 'change', this.onElementEvent.bind(this));
javascript	code	          break;
javascript	code	      }
javascript	code	    }
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	code	Form.Element.EventObserver = Class.create();
javascript	code	Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
javascript	code	  getValue: function() {
javascript	code	    return Form.Element.getValue(this.element);
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	code	Form.EventObserver = Class.create();
javascript	code	Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
javascript	code	  getValue: function() {
javascript	code	    return Form.serialize(this.element);
javascript	code	  }
javascript	code	});
javascript	code	if (!window.Event) {
javascript	code	  var Event = new Object();
javascript	code	}
javascript	blank	
javascript	code	Object.extend(Event, {
javascript	code	  KEY_BACKSPACE: 8,
javascript	code	  KEY_TAB:       9,
javascript	code	  KEY_RETURN:   13,
javascript	code	  KEY_ESC:      27,
javascript	code	  KEY_LEFT:     37,
javascript	code	  KEY_UP:       38,
javascript	code	  KEY_RIGHT:    39,
javascript	code	  KEY_DOWN:     40,
javascript	code	  KEY_DELETE:   46,
javascript	blank	
javascript	code	  element: function(event) {
javascript	code	    return event.target || event.srcElement;
javascript	code	  },
javascript	blank	
javascript	code	  isLeftClick: function(event) {
javascript	code	    return (((event.which) && (event.which == 1)) ||
javascript	code	            ((event.button) && (event.button == 1)));
javascript	code	  },
javascript	blank	
javascript	code	  pointerX: function(event) {
javascript	code	    return event.pageX || (event.clientX +
javascript	code	      (document.documentElement.scrollLeft || document.body.scrollLeft));
javascript	code	  },
javascript	blank	
javascript	code	  pointerY: function(event) {
javascript	code	    return event.pageY || (event.clientY +
javascript	code	      (document.documentElement.scrollTop || document.body.scrollTop));
javascript	code	  },
javascript	blank	
javascript	code	  stop: function(event) {
javascript	code	    if (event.preventDefault) {
javascript	code	      event.preventDefault();
javascript	code	      event.stopPropagation();
javascript	code	    } else {
javascript	code	      event.returnValue = false;
javascript	code	      event.cancelBubble = true;
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	comment	  // find the first node with the given tagName, starting from the
javascript	comment	  // node the event was triggered on; traverses the DOM upwards
javascript	code	  findElement: function(event, tagName) {
javascript	code	    var element = Event.element(event);
javascript	code	    while (element.parentNode && (!element.tagName ||
javascript	code	        (element.tagName.toUpperCase() != tagName.toUpperCase())))
javascript	code	      element = element.parentNode;
javascript	code	    return element;
javascript	code	  },
javascript	blank	
javascript	code	  observers: false,
javascript	blank	
javascript	code	  _observeAndCache: function(element, name, observer, useCapture) {
javascript	code	    if (!this.observers) this.observers = [];
javascript	code	    if (element.addEventListener) {
javascript	code	      this.observers.push([element, name, observer, useCapture]);
javascript	code	      element.addEventListener(name, observer, useCapture);
javascript	code	    } else if (element.attachEvent) {
javascript	code	      this.observers.push([element, name, observer, useCapture]);
javascript	code	      element.attachEvent('on' + name, observer);
javascript	code	    }
javascript	code	  },
javascript	blank	
javascript	code	  unloadCache: function() {
javascript	code	    if (!Event.observers) return;
javascript	code	    for (var i = 0; i < Event.observers.length; i++) {
javascript	code	      Event.stopObserving.apply(this, Event.observers[i]);
javascript	code	      Event.observers[i][0] = null;
javascript	code	    }
javascript	code	    Event.observers = false;
javascript	code	  },
javascript	blank	
javascript	code	  observe: function(element, name, observer, useCapture) {
javascript	code	    var element = $(element);
javascript	code	    useCapture = useCapture || false;
javascript	blank	
javascript	code	    if (name == 'keypress' &&
javascript	code	        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
javascript	code	        || element.attachEvent))
javascript	code	      name = 'keydown';
javascript	blank	
javascript	code	    this._observeAndCache(element, name, observer, useCapture);
javascript	code	  },
javascript	blank	
javascript	code	  stopObserving: function(element, name, observer, useCapture) {
javascript	code	    var element = $(element);
javascript	code	    useCapture = useCapture || false;
javascript	blank	
javascript	code	    if (name == 'keypress' &&
javascript	code	        (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
javascript	code	        || element.detachEvent))
javascript	code	      name = 'keydown';
javascript	blank	
javascript	code	    if (element.removeEventListener) {
javascript	code	      element.removeEventListener(name, observer, useCapture);
javascript	code	    } else if (element.detachEvent) {
javascript	code	      element.detachEvent('on' + name, observer);
javascript	code	    }
javascript	code	  }
javascript	code	});
javascript	blank	
javascript	comment	/* prevent memory leaks in IE */
javascript	code	Event.observe(window, 'unload', Event.unloadCache, false);
javascript	code	var Position = {
javascript	comment	  // set to true if needed, warning: firefox performance problems
javascript	comment	  // NOT neeeded for page scrolling, only if draggable contained in
javascript	comment	  // scrollable elements
javascript	code	  includeScrollOffsets: false,
javascript	blank	
javascript	comment	  // must be called before calling withinIncludingScrolloffset, every time the
javascript	comment	  // page is scrolled
javascript	code	  prepare: function() {
javascript	code	    this.deltaX =  window.pageXOffset
javascript	code	                || document.documentElement.scrollLeft
javascript	code	                || document.body.scrollLeft
javascript	code	                || 0;
javascript	code	    this.deltaY =  window.pageYOffset
javascript	code	                || document.documentElement.scrollTop
javascript	code	                || document.body.scrollTop
javascript	code	                || 0;
javascript	code	  },
javascript	blank	
javascript	code	  realOffset: function(element) {
javascript	code	    var valueT = 0, valueL = 0;
javascript	code	    do {
javascript	code	      valueT += element.scrollTop  || 0;
javascript	code	      valueL += element.scrollLeft || 0;
javascript	code	      element = element.parentNode;
javascript	code	    } while (element);
javascript	code	    return [valueL, valueT];
javascript	code	  },
javascript	blank	
javascript	code	  cumulativeOffset: function(element) {
javascript	code	    var valueT = 0, valueL = 0;
javascript	code	    do {
javascript	code	      valueT += element.offsetTop  || 0;
javascript	code	      valueL += element.offsetLeft || 0;
javascript	code	      element = element.offsetParent;
javascript	code	    } while (element);
javascript	code	    return [valueL, valueT];
javascript	code	  },
javascript	blank	
javascript	code	  positionedOffset: function(element) {
javascript	code	    var valueT = 0, valueL = 0;
javascript	code	    do {
javascript	code	      valueT += element.offsetTop  || 0;
javascript	code	      valueL += element.offsetLeft || 0;
javascript	code	      element = element.offsetParent;
javascript	code	      if (element) {
javascript	code	        p = Element.getStyle(element, 'position');
javascript	code	        if (p == 'relative' || p == 'absolute') break;
javascript	code	      }
javascript	code	    } while (element);
javascript	code	    return [valueL, valueT];
javascript	code	  },
javascript	blank	
javascript	code	  offsetParent: function(element) {
javascript	code	    if (element.offsetParent) return element.offsetParent;
javascript	code	    if (element == document.body) return element;
javascript	blank	
javascript	code	    while ((element = element.parentNode) && element != document.body)
javascript	code	      if (Element.getStyle(element, 'position') != 'static')
javascript	code	        return element;
javascript	blank	
javascript	code	    return document.body;
javascript	code	  },
javascript	blank	
javascript	comment	  // caches x/y coordinate pair to use with overlap
javascript	code	  within: function(element, x, y) {
javascript	code	    if (this.includeScrollOffsets)
javascript	code	      return this.withinIncludingScrolloffsets(element, x, y);
javascript	code	    this.xcomp = x;
javascript	code	    this.ycomp = y;
javascript	code	    this.offset = this.cumulativeOffset(element);
javascript	blank	
javascript	code	    return (y >= this.offset[1] &&
javascript	code	            y <  this.offset[1] + element.offsetHeight &&
javascript	code	            x >= this.offset[0] &&
javascript	code	            x <  this.offset[0] + element.offsetWidth);
javascript	code	  },
javascript	blank	
javascript	code	  withinIncludingScrolloffsets: function(element, x, y) {
javascript	code	    var offsetcache = this.realOffset(element);
javascript	blank	
javascript	code	    this.xcomp = x + offsetcache[0] - this.deltaX;
javascript	code	    this.ycomp = y + offsetcache[1] - this.deltaY;
javascript	code	    this.offset = this.cumulativeOffset(element);
javascript	blank	
javascript	code	    return (this.ycomp >= this.offset[1] &&
javascript	code	            this.ycomp <  this.offset[1] + element.offsetHeight &&
javascript	code	            this.xcomp >= this.offset[0] &&
javascript	code	            this.xcomp <  this.offset[0] + element.offsetWidth);
javascript	code	  },
javascript	blank	
javascript	comment	  // within must be called directly before
javascript	code	  overlap: function(mode, element) {
javascript	code	    if (!mode) return 0;
javascript	code	    if (mode == 'vertical')
javascript	code	      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
javascript	code	        element.offsetHeight;
javascript	code	    if (mode == 'horizontal')
javascript	code	      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
javascript	code	        element.offsetWidth;
javascript	code	  },
javascript	blank	
javascript	code	  clone: function(source, target) {
javascript	code	    source = $(source);
javascript	code	    target = $(target);
javascript	code	    target.style.position = 'absolute';
javascript	code	    var offsets = this.cumulativeOffset(source);
javascript	code	    target.style.top    = offsets[1] + 'px';
javascript	code	    target.style.left   = offsets[0] + 'px';
javascript	code	    target.style.width  = source.offsetWidth + 'px';
javascript	code	    target.style.height = source.offsetHeight + 'px';
javascript	code	  },
javascript	blank	
javascript	code	  page: function(forElement) {
javascript	code	    var valueT = 0, valueL = 0;
javascript	blank	
javascript	code	    var element = forElement;
javascript	code	    do {
javascript	code	      valueT += element.offsetTop  || 0;
javascript	code	      valueL += element.offsetLeft || 0;
javascript	blank	
javascript	comment	      // Safari fix
javascript	code	      if (element.offsetParent==document.body)
javascript	code	        if (Element.getStyle(element,'position')=='absolute') break;
javascript	blank	
javascript	code	    } while (element = element.offsetParent);
javascript	blank	
javascript	code	    element = forElement;
javascript	code	    do {
javascript	code	      valueT -= element.scrollTop  || 0;
javascript	code	      valueL -= element.scrollLeft || 0;
javascript	code	    } while (element = element.parentNode);
javascript	blank	
javascript	code	    return [valueL, valueT];
javascript	code	  },
javascript	blank	
javascript	code	  clone: function(source, target) {
javascript	code	    var options = Object.extend({
javascript	code	      setLeft:    true,
javascript	code	      setTop:     true,
javascript	code	      setWidth:   true,
javascript	code	      setHeight:  true,
javascript	code	      offsetTop:  0,
javascript	code	      offsetLeft: 0
javascript	code	    }, arguments[2] || {})
javascript	blank	
javascript	comment	    // find page position of source
javascript	code	    source = $(source);
javascript	code	    var p = Position.page(source);
javascript	blank	
javascript	comment	    // find coordinate system to use
javascript	code	    target = $(target);
javascript	code	    var delta = [0, 0];
javascript	code	    var parent = null;
javascript	comment	    // delta [0,0] will do fine with position: fixed elements,
javascript	comment	    // position:absolute needs offsetParent deltas
javascript	code	    if (Element.getStyle(target,'position') == 'absolute') {
javascript	code	      parent = Position.offsetParent(target);
javascript	code	      delta = Position.page(parent);
javascript	code	    }
javascript	blank	
javascript	comment	    // correct by body offsets (fixes Safari)
javascript	code	    if (parent == document.body) {
javascript	code	      delta[0] -= document.body.offsetLeft;
javascript	code	      delta[1] -= document.body.offsetTop;
javascript	code	    }
javascript	blank	
javascript	comment	    // set position
javascript	code	    if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
javascript	code	    if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
javascript	code	    if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
javascript	code	    if(options.setHeight) target.style.height = source.offsetHeight + 'px';
javascript	code	  },
javascript	blank	
javascript	code	  absolutize: function(element) {
javascript	code	    element = $(element);
javascript	code	    if (element.style.position == 'absolute') return;
javascript	code	    Position.prepare();
javascript	blank	
javascript	code	    var offsets = Position.positionedOffset(element);
javascript	code	    var top     = offsets[1];
javascript	code	    var left    = offsets[0];
javascript	code	    var width   = element.clientWidth;
javascript	code	    var height  = element.clientHeight;
javascript	blank	
javascript	code	    element._originalLeft   = left - parseFloat(element.style.left  || 0);
javascript	code	    element._originalTop    = top  - parseFloat(element.style.top || 0);
javascript	code	    element._originalWidth  = element.style.width;
javascript	code	    element._originalHeight = element.style.height;
javascript	blank	
javascript	code	    element.style.position = 'absolute';
javascript	code	    element.style.top    = top + 'px';;
javascript	code	    element.style.left   = left + 'px';;
javascript	code	    element.style.width  = width + 'px';;
javascript	code	    element.style.height = height + 'px';;
javascript	code	  },
javascript	blank	
javascript	code	  relativize: function(element) {
javascript	code	    element = $(element);
javascript	code	    if (element.style.position == 'relative') return;
javascript	code	    Position.prepare();
javascript	blank	
javascript	code	    element.style.position = 'relative';
javascript	code	    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
javascript	code	    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
javascript	blank	
javascript	code	    element.style.top    = top + 'px';
javascript	code	    element.style.left   = left + 'px';
javascript	code	    element.style.height = element._originalHeight;
javascript	code	    element.style.width  = element._originalWidth;
javascript	code	  }
javascript	code	}
javascript	blank	
javascript	comment	// Safari returns margins on body which is incorrect if the child is absolutely
javascript	comment	// positioned.  For performance reasons, redefine Position.cumulativeOffset for
javascript	comment	// KHTML/WebKit only.
javascript	code	if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
javascript	code	  Position.cumulativeOffset = function(element) {
javascript	code	    var valueT = 0, valueL = 0;
javascript	code	    do {
javascript	code	      valueT += element.offsetTop  || 0;
javascript	code	      valueL += element.offsetLeft || 0;
javascript	code	      if (element.offsetParent == document.body)
javascript	code	        if (Element.getStyle(element, 'position') == 'absolute') break;
javascript	blank	
javascript	code	      element = element.offsetParent;
javascript	code	    } while (element);
javascript	blank	
javascript	code	    return [valueL, valueT];
javascript	code	  }
javascript	code	}
