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From mat...@apache.org
Subject svn commit: r427657 [37/42] - in /myfaces: core/trunk/api/src/main/java/javax/faces/component/ core/trunk/api/src/test/java/javax/faces/ core/trunk/api/src/test/java/javax/faces/application/ core/trunk/api/src/test/java/javax/faces/component/ core/trun...
Date Tue, 01 Aug 2006 17:44:01 GMT
Modified: myfaces/tomahawk/trunk/sandbox/core/src/main/resources/org/apache/myfaces/custom/accordion/resource/prototype.js
URL: http://svn.apache.org/viewvc/myfaces/tomahawk/trunk/sandbox/core/src/main/resources/org/apache/myfaces/custom/accordion/resource/prototype.js?rev=427657&r1=427656&r2=427657&view=diff
==============================================================================
--- myfaces/tomahawk/trunk/sandbox/core/src/main/resources/org/apache/myfaces/custom/accordion/resource/prototype.js (original)
+++ myfaces/tomahawk/trunk/sandbox/core/src/main/resources/org/apache/myfaces/custom/accordion/resource/prototype.js Tue Aug  1 10:43:28 2006
@@ -1,1472 +1,1472 @@
-/*  Prototype JavaScript framework, version 1.4.0_pre11
- *  (c) 2005 Sam Stephenson <sam@conio.net>
- *
- *  THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff
- *  against the source tree, available from the Prototype darcs repository.
- *
- *  Prototype is freely distributable under the terms of an MIT-style license.
- *
- *  For details, see the Prototype web site: http://prototype.conio.net/
- *
-/*--------------------------------------------------------------------------*/
-
-var Prototype = {
-  Version: '1.4.0_pre11',
-
-  emptyFunction: function() {},
-  K: function(x) {return x}
-}
-
-var Class = {
-  create: function() {
-    return function() {
-      this.initialize.apply(this, arguments);
-    }
-  }
-}
-
-var Abstract = new Object();
-
-Object.extend = function(destination, source) {
-  for (property in source) {
-    destination[property] = source[property];
-  }
-  return destination;
-}
-
-Object.inspect = function(object) {
-  try {
-    if (object == undefined) return 'undefined';
-    if (object == null) return 'null';
-    return object.inspect ? object.inspect() : object.toString();
-  } catch (e) {
-    if (e instanceof RangeError) return '...';
-    throw e;
-  }
-}
-
-Function.prototype.bind = function(object) {
-  var __method = this;
-  return function() {
-    return __method.apply(object, arguments);
-  }
-}
-
-Function.prototype.bindAsEventListener = function(object) {
-  var __method = this;
-  return function(event) {
-    return __method.call(object, event || window.event);
-  }
-}
-
-Object.extend(Number.prototype, {
-  toColorPart: function() {
-    var digits = this.toString(16);
-    if (this < 16) return '0' + digits;
-    return digits;
-  },
-
-  succ: function() {
-    return this + 1;
-  },
-
-  times: function(iterator) {
-    $R(0, this, true).each(iterator);
-    return this;
-  }
-});
-
-var Try = {
-  these: function() {
-    var returnValue;
-
-    for (var i = 0; i < arguments.length; i++) {
-      var lambda = arguments[i];
-      try {
-        returnValue = lambda();
-        break;
-      } catch (e) {}
-    }
-
-    return returnValue;
-  }
-}
-
-/*--------------------------------------------------------------------------*/
-
-var PeriodicalExecuter = Class.create();
-PeriodicalExecuter.prototype = {
-  initialize: function(callback, frequency) {
-    this.callback = callback;
-    this.frequency = frequency;
-    this.currentlyExecuting = false;
-
-    this.registerCallback();
-  },
-
-  registerCallback: function() {
-    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
-  },
-
-  onTimerEvent: function() {
-    if (!this.currentlyExecuting) {
-      try {
-        this.currentlyExecuting = true;
-        this.callback();
-      } finally {
-        this.currentlyExecuting = false;
-      }
-    }
-  }
-}
-
-/*--------------------------------------------------------------------------*/
-
-function $() {
-  var elements = new Array();
-
-  for (var i = 0; i < arguments.length; i++) {
-    var element = arguments[i];
-    if (typeof element == 'string')
-      element = document.getElementById(element);
-
-    if (arguments.length == 1)
-      return element;
-
-    elements.push(element);
-  }
-
-  return elements;
-}
-
-Object.extend(String.prototype, {
-  stripTags: function() {
-    return this.replace(/<\/?[^>]+>/gi, '');
-  },
-
-  escapeHTML: function() {
-    var div = document.createElement('div');
-    var text = document.createTextNode(this);
-    div.appendChild(text);
-    return div.innerHTML;
-  },
-
-  unescapeHTML: function() {
-    var div = document.createElement('div');
-    div.innerHTML = this.stripTags();
-    return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
-  },
-
-  toQueryParams: function() {
-    var pairs = this.match(/^\??(.*)$/)[1].split('&');
-    return pairs.inject({}, function(params, pairString) {
-      var pair = pairString.split('=');
-      params[pair[0]] = pair[1];
-      return params;
-    });
-  },
-
-  inspect: function() {
-    return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";
-  }
-});
-
-String.prototype.parseQuery = String.prototype.toQueryParams;
-
-
-var $break    = new Object();
-var $continue = new Object();
-
-var Enumerable = {
-  each: function(iterator) {
-    var index = 0;
-    try {
-      this._each(function(value) {
-        try {
-          iterator(value, index++);
-        } catch (e) {
-          if (e != $continue) throw e;
-        }
-      });
-    } catch (e) {
-      if (e != $break) throw e;
-    }
-  },
-
-  all: function(iterator) {
-    var result = true;
-    this.each(function(value, index) {
-      if (!(result &= (iterator || Prototype.K)(value, index)))
-        throw $break;
-    });
-    return result;
-  },
-
-  any: function(iterator) {
-    var result = true;
-    this.each(function(value, index) {
-      if (result &= (iterator || Prototype.K)(value, index))
-        throw $break;
-    });
-    return result;
-  },
-
-  collect: function(iterator) {
-    var results = [];
-    this.each(function(value, index) {
-      results.push(iterator(value, index));
-    });
-    return results;
-  },
-
-  detect: function (iterator) {
-    var result;
-    this.each(function(value, index) {
-      if (iterator(value, index)) {
-        result = value;
-        throw $break;
-      }
-    });
-    return result;
-  },
-
-  findAll: function(iterator) {
-    var results = [];
-    this.each(function(value, index) {
-      if (iterator(value, index))
-        results.push(value);
-    });
-    return results;
-  },
-
-  grep: function(pattern, iterator) {
-    var results = [];
-    this.each(function(value, index) {
-      var stringValue = value.toString();
-      if (stringValue.match(pattern))
-        results.push((iterator || Prototype.K)(value, index));
-    })
-    return results;
-  },
-
-  include: function(object) {
-    var found = false;
-    this.each(function(value) {
-      if (value == object) {
-        found = true;
-        throw $break;
-      }
-    });
-    return found;
-  },
-
-  inject: function(memo, iterator) {
-    this.each(function(value, index) {
-      memo = iterator(memo, value, index);
-    });
-    return memo;
-  },
-
-  invoke: function(method) {
-    var args = $A(arguments).slice(1);
-    return this.collect(function(value) {
-      return value[method].apply(value, args);
-    });
-  },
-
-  max: function(iterator) {
-    var result;
-    this.each(function(value, index) {
-      value = (iterator || Prototype.K)(value, index);
-      if (value >= (result || value))
-        result = value;
-    });
-    return result;
-  },
-
-  min: function(iterator) {
-    var result;
-    this.each(function(value, index) {
-      value = (iterator || Prototype.K)(value, index);
-      if (value <= (result || value))
-        result = value;
-    });
-    return result;
-  },
-
-  partition: function(iterator) {
-    var trues = [], falses = [];
-    this.each(function(value, index) {
-      ((iterator || Prototype.K)(value, index) ?
-        trues : falses).push(value);
-    });
-    return [trues, falses];
-  },
-
-  pluck: function(property) {
-    var results = [];
-    this.each(function(value, index) {
-      results.push(value[property]);
-    });
-    return results;
-  },
-
-  reject: function(iterator) {
-    var results = [];
-    this.each(function(value, index) {
-      if (!iterator(value, index))
-        results.push(value);
-    });
-    return results;
-  },
-
-  sortBy: function(iterator) {
-    return this.collect(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.collect(Prototype.K);
-  },
-
-  zip: function() {
-    var iterator = Prototype.K, args = $A(arguments);
-    if (typeof args.last() == 'function')
-      iterator = args.pop();
-
-    var collections = [this].concat(args).map($A);
-    return this.map(function(value, index) {
-      iterator(value = collections.pluck(index));
-      return value;
-    });
-  },
-
-  inspect: function() {
-    return '#<Enumerable:' + this.toArray().inspect() + '>';
-  }
-}
-
-Object.extend(Enumerable, {
-  map:     Enumerable.collect,
-  find:    Enumerable.detect,
-  select:  Enumerable.findAll,
-  member:  Enumerable.include,
-  entries: Enumerable.toArray
-});
-
-var $A = Array.from = function(iterable) {
-  if (iterable.toArray) {
-    return iterable.toArray();
-  } else {
-    var results = [];
-    for (var i = 0; i < iterable.length; i++)
-      results.push(iterable[i]);
-    return results;
-  }
-}
-
-Object.extend(Array.prototype, Enumerable);
-
-Object.extend(Array.prototype, {
-  _each: function(iterator) {
-    for (var i = 0; i < this.length; i++)
-      iterator(this[i]);
-  },
-
-  first: function() {
-    return this[0];
-  },
-
-  last: function() {
-    return this[this.length - 1];
-  },
-
-  compact: function() {
-    return this.select(function(value) {
-      return value != undefined || value != null;
-    });
-  },
-
-  flatten: function() {
-    return this.inject([], function(array, value) {
-      return array.concat(value.constructor == Array ?
-        value.flatten() : [value]);
-    });
-  },
-
-  without: function() {
-    var values = $A(arguments);
-    return this.select(function(value) {
-      return !values.include(value);
-    });
-  },
-
-  inspect: function() {
-    return '[' + this.map(Object.inspect).join(', ') + ']';
-  }
-});
-
-var Hash = {
-  _each: function(iterator) {
-    for (key in this) {
-      var value = this[key];
-      if (typeof value == 'function') continue;
-
-      var pair = [key, value];
-      pair.key = key;
-      pair.value = value;
-      iterator(pair);
-    }
-  },
-
-  keys: function() {
-    return this.pluck('key');
-  },
-
-  values: function() {
-    return this.pluck('value');
-  },
-
-  merge: function(hash) {
-    return $H(hash).inject($H(this), function(mergedHash, pair) {
-      mergedHash[pair.key] = pair.value;
-      return mergedHash;
-    });
-  },
-
-  toQueryString: function() {
-    return this.map(function(pair) {
-      return pair.map(encodeURIComponent).join('=');
-    }).join('&');
-  },
-
-  inspect: function() {
-    return '#<Hash:{' + this.map(function(pair) {
-      return pair.map(Object.inspect).join(': ');
-    }).join(', ') + '}>';
-  }
-}
-
-function $H(object) {
-  var hash = Object.extend({}, object || {});
-  Object.extend(hash, Enumerable);
-  Object.extend(hash, Hash);
-  return hash;
-}
-
-var Range = Class.create();
-Object.extend(Range.prototype, Enumerable);
-Object.extend(Range.prototype, {
-  initialize: function(start, end, exclusive) {
-    this.start = start;
-    this.end = end;
-    this.exclusive = exclusive;
-  },
-
-  _each: function(iterator) {
-    var value = this.start;
-    do {
-      iterator(value);
-      value = value.succ();
-    } while (this.include(value));
-  },
-
-  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 Range(start, end, exclusive);
-}
-
-var Ajax = {
-  getTransport: function() {
-    return Try.these(
-      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
-      function() {return new ActiveXObject('Microsoft.XMLHTTP')},
-      function() {return new XMLHttpRequest()}
-    ) || false;
-  },
-
-  activeRequestCount: 0
-}
-
-Ajax.Responders = {
-  responders: [],
-
-  _each: function(iterator) {
-    this.responders._each(iterator);
-  },
-
-  register: function(responderToAdd) {
-    if (!this.include(responderToAdd))
-      this.responders.push(responderToAdd);
-  },
-
-  unregister: function(responderToRemove) {
-    this.responders = this.responders.without(responderToRemove);
-  },
-
-  dispatch: function(callback, request, transport, json) {
-    this.each(function(responder) {
-      if (responder[callback] && typeof responder[callback] == 'function') {
-        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 = function() {};
-Ajax.Base.prototype = {
-  setOptions: function(options) {
-    this.options = {
-      method:       'post',
-      asynchronous: true,
-      parameters:   ''
-    }
-    Object.extend(this.options, options || {});
-  },
-
-  responseIsSuccess: function() {
-    return this.transport.status == undefined
-        || this.transport.status == 0
-        || (this.transport.status >= 200 && this.transport.status < 300);
-  },
-
-  responseIsFailure: function() {
-    return !this.responseIsSuccess();
-  }
-}
-
-Ajax.Request = Class.create();
-Ajax.Request.Events =
-  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
-
-Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
-  initialize: function(url, options) {
-    this.transport = Ajax.getTransport();
-    this.setOptions(options);
-    this.request(url);
-  },
-
-  request: function(url) {
-    var parameters = this.options.parameters || '';
-    if (parameters.length > 0) parameters += '&_=';
-
-    try {
-      this.url = url;
-      if (this.options.method == 'get')
-        this.url += '?' + parameters;
-
-      Ajax.Responders.dispatch('onCreate', this, this.transport);
-
-      this.transport.open(this.options.method, this.url,
-        this.options.asynchronous);
-
-      if (this.options.asynchronous) {
-        this.transport.onreadystatechange = this.onStateChange.bind(this);
-        setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
-      }
-
-      this.setRequestHeaders();
-
-      var body = this.options.postBody ? this.options.postBody : parameters;
-      this.transport.send(this.options.method == 'post' ? body : null);
-
-    } catch (e) {
-    }
-  },
-
-  setRequestHeaders: function() {
-    var requestHeaders =
-      ['X-Requested-With', 'XMLHttpRequest',
-       'X-Prototype-Version', Prototype.Version];
-
-    if (this.options.method == 'post') {
-      requestHeaders.push('Content-type',
-        'application/x-www-form-urlencoded');
-
-      /* Force "Connection: close" for Mozilla browsers to work around
-       * a bug where XMLHttpReqeuest sends an incorrect Content-length
-       * header. See Mozilla Bugzilla #246651.
-       */
-      if (this.transport.overrideMimeType)
-        requestHeaders.push('Connection', 'close');
-    }
-
-    if (this.options.requestHeaders)
-      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
-
-    for (var i = 0; i < requestHeaders.length; i += 2)
-      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
-  },
-
-  onStateChange: function() {
-    var readyState = this.transport.readyState;
-    if (readyState != 1)
-      this.respondToReadyState(this.transport.readyState);
-  },
-
-  evalJSON: function() {
-    try {
-      var json = this.transport.getResponseHeader('X-JSON'), object;
-      object = eval(json);
-      return object;
-    } catch (e) {
-    }
-  },
-
-  respondToReadyState: function(readyState) {
-    var event = Ajax.Request.Events[readyState];
-    var transport = this.transport, json = this.evalJSON();
-
-    if (event == 'Complete')
-      (this.options['on' + this.transport.status]
-       || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
-       || Prototype.emptyFunction)(transport, json);
-
-    (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
-    Ajax.Responders.dispatch('on' + event, this, transport, json);
-
-    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
-    if (event == 'Complete')
-      this.transport.onreadystatechange = Prototype.emptyFunction;
-  }
-});
-
-Ajax.Updater = Class.create();
-Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)';
-
-Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
-  initialize: function(container, url, options) {
-    this.containers = {
-      success: container.success ? $(container.success) : $(container),
-      failure: container.failure ? $(container.failure) :
-        (container.success ? null : $(container))
-    }
-
-    this.transport = Ajax.getTransport();
-    this.setOptions(options);
-
-    var onComplete = this.options.onComplete || Prototype.emptyFunction;
-    this.options.onComplete = (function(transport, object) {
-      this.updateContent();
-      onComplete(transport, object);
-    }).bind(this);
-
-    this.request(url);
-  },
-
-  updateContent: function() {
-    var receiver = this.responseIsSuccess() ?
-      this.containers.success : this.containers.failure;
-
-    var match    = new RegExp(Ajax.Updater.ScriptFragment, 'img');
-    var response = this.transport.responseText.replace(match, '');
-    var scripts  = this.transport.responseText.match(match);
-
-    if (receiver) {
-      if (this.options.insertion) {
-        new this.options.insertion(receiver, response);
-      } else {
-        receiver.innerHTML = response;
-      }
-    }
-
-    if (this.responseIsSuccess()) {
-      if (this.onComplete)
-        setTimeout(this.onComplete.bind(this), 10);
-    }
-
-    if (this.options.evalScripts && scripts) {
-      match = new RegExp(Ajax.Updater.ScriptFragment, 'im');
-      setTimeout((function() {
-        for (var i = 0; i < scripts.length; i++)
-          eval(scripts[i].match(match)[1]);
-      }).bind(this), 10);
-    }
-  }
-});
-
-Ajax.PeriodicalUpdater = Class.create();
-Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
-  initialize: function(container, url, options) {
-    this.setOptions(options);
-    this.onComplete = this.options.onComplete;
-
-    this.frequency = (this.options.frequency || 2);
-    this.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.onComplete = undefined;
-    clearTimeout(this.timer);
-    (this.onComplete || Ajax.emptyFunction).apply(this, arguments);
-  },
-
-  updateComplete: function(request) {
-    if (this.options.decay) {
-      this.decay = (request.responseText == this.lastText ?
-        this.decay * this.options.decay : 1);
-
-      this.lastText = request.responseText;
-    }
-    this.timer = setTimeout(this.onTimerEvent.bind(this),
-      this.decay * this.frequency * 1000);
-  },
-
-  onTimerEvent: function() {
-    this.updater = new Ajax.Updater(this.container, this.url, this.options);
-  }
-});
-
-document.getElementsByClassName = function(className, parentElement) {
-  var children = (document.body || $(parentElement)).getElementsByTagName('*');
-  return $A(children).inject([], function(elements, child) {
-    if (Element.hasClassName(child, className))
-      elements.push(child);
-    return elements;
-  });
-}
-
-/*--------------------------------------------------------------------------*/
-
-if (!window.Element) {
-  var Element = new Object();
-}
-
-Object.extend(Element, {
-  visible: function(element) {
-    return $(element).style.display != 'none';
-  },
-
-  toggle: function() {
-    for (var i = 0; i < arguments.length; i++) {
-      var element = $(arguments[i]);
-      Element[Element.visible(element) ? 'show' : 'hide'](element);
-    }
-  },
-
-  hide: function() {
-    for (var i = 0; i < arguments.length; i++) {
-      var element = $(arguments[i]);
-      element.style.display = 'none';
-    }
-  },
-
-  show: function() {
-    for (var i = 0; i < arguments.length; i++) {
-      var element = $(arguments[i]);
-      element.style.display = '';
-    }
-  },
-
-  remove: function(element) {
-    element = $(element);
-    element.parentNode.removeChild(element);
-  },
-
-  getHeight: function(element) {
-    element = $(element);
-    return element.offsetHeight;
-  },
-
-  classNames: function(element) {
-    return new Element.ClassNames(element);
-  },
-
-  hasClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    return Element.classNames(element).include(className);
-  },
-
-  addClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    return Element.classNames(element).add(className);
-  },
-
-  removeClassName: function(element, className) {
-    if (!(element = $(element))) return;
-    return Element.classNames(element).remove(className);
-  },
-
-  // removes whitespace-only text node children
-  cleanWhitespace: function(element) {
-    element = $(element);
-    for (var i = 0; i < element.childNodes.length; i++) {
-      var node = element.childNodes[i];
-      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
-        Element.remove(node);
-    }
-  },
-
-  empty: function(element) {
-    return $(element).innerHTML.match(/^\s*$/);
-  },
-
-  scrollTo: function(element) {
-    element = $(element);
-    var x = element.x ? element.x : element.offsetLeft,
-        y = element.y ? element.y : element.offsetTop;
-    window.scrollTo(x, y);
-  }
-});
-
-var Toggle = new Object();
-Toggle.display = Element.toggle;
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.Insertion = function(adjacency) {
-  this.adjacency = adjacency;
-}
-
-Abstract.Insertion.prototype = {
-  initialize: function(element, content) {
-    this.element = $(element);
-    this.content = content;
-
-    if (this.adjacency && this.element.insertAdjacentHTML) {
-      try {
-        this.element.insertAdjacentHTML(this.adjacency, this.content);
-      } catch (e) {
-        if (this.element.tagName.toLowerCase() == 'tbody') {
-          this.fragment = this.contentFromAnonymousTable();
-          this.insertContent();
-        } else {
-          throw e;
-        }
-      }
-    } else {
-      this.range = this.element.ownerDocument.createRange();
-      if (this.initializeRange) this.initializeRange();
-      this.fragment = this.range.createContextualFragment(this.content);
-      this.insertContent();
-    }
-  },
-
-  contentFromAnonymousTable: function() {
-    var div = document.createElement('div');
-    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
-    return div.childNodes[0].childNodes[0].childNodes[0];
-  }
-}
-
-var Insertion = new Object();
-
-Insertion.Before = Class.create();
-Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
-  initializeRange: function() {
-    this.range.setStartBefore(this.element);
-  },
-
-  insertContent: function() {
-    this.element.parentNode.insertBefore(this.fragment, this.element);
-  }
-});
-
-Insertion.Top = Class.create();
-Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
-  initializeRange: function() {
-    this.range.selectNodeContents(this.element);
-    this.range.collapse(true);
-  },
-
-  insertContent: function() {
-    this.element.insertBefore(this.fragment, this.element.firstChild);
-  }
-});
-
-Insertion.Bottom = Class.create();
-Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
-  initializeRange: function() {
-    this.range.selectNodeContents(this.element);
-    this.range.collapse(this.element);
-  },
-
-  insertContent: function() {
-    this.element.appendChild(this.fragment);
-  }
-});
-
-Insertion.After = Class.create();
-Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
-  initializeRange: function() {
-    this.range.setStartAfter(this.element);
-  },
-
-  insertContent: function() {
-    this.element.parentNode.insertBefore(this.fragment,
-      this.element.nextSibling);
-  }
-});
-
-/*--------------------------------------------------------------------------*/
-
-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(this.toArray().concat(classNameToAdd).join(' '));
-  },
-
-  remove: function(classNameToRemove) {
-    if (!this.include(classNameToRemove)) return;
-    this.set(this.select(function(className) {
-      return className != classNameToRemove;
-    }));
-  },
-
-  toString: function() {
-    return this.toArray().join(' ');
-  }
-}
-
-Object.extend(Element.ClassNames.prototype, Enumerable);
-
-var Field = {
-  clear: function() {
-    for (var i = 0; i < arguments.length; i++)
-      $(arguments[i]).value = '';
-  },
-
-  focus: function(element) {
-    $(element).focus();
-  },
-
-  present: function() {
-    for (var i = 0; i < arguments.length; i++)
-      if ($(arguments[i]).value == '') return false;
-    return true;
-  },
-
-  select: function(element) {
-    $(element).select();
-  },
-
-  activate: function(element) {
-    $(element).focus();
-    $(element).select();
-  }
-}
-
-/*--------------------------------------------------------------------------*/
-
-var Form = {
-  serialize: function(form) {
-    var elements = Form.getElements($(form));
-    var queryComponents = new Array();
-
-    for (var i = 0; i < elements.length; i++) {
-      var queryComponent = Form.Element.serialize(elements[i]);
-      if (queryComponent)
-        queryComponents.push(queryComponent);
-    }
-
-    return queryComponents.join('&');
-  },
-
-  getElements: function(form) {
-    var form = $(form);
-    var elements = new Array();
-
-    for (tagName in Form.Element.Serializers) {
-      var tagElements = form.getElementsByTagName(tagName);
-      for (var j = 0; j < tagElements.length; j++)
-        elements.push(tagElements[j]);
-    }
-    return elements;
-  },
-
-  getInputs: function(form, typeName, name) {
-    var form = $(form);
-    var inputs = form.getElementsByTagName('input');
-
-    if (!typeName && !name)
-      return inputs;
-
-    var matchingInputs = new Array();
-    for (var i = 0; i < inputs.length; i++) {
-      var input = inputs[i];
-      if ((typeName && input.type != typeName) ||
-          (name && input.name != name))
-        continue;
-      matchingInputs.push(input);
-    }
-
-    return matchingInputs;
-  },
-
-  disable: function(form) {
-    var elements = Form.getElements(form);
-    for (var i = 0; i < elements.length; i++) {
-      var element = elements[i];
-      element.blur();
-      element.disabled = 'true';
-    }
-  },
-
-  enable: function(form) {
-    var elements = Form.getElements(form);
-    for (var i = 0; i < elements.length; i++) {
-      var element = elements[i];
-      element.disabled = '';
-    }
-  },
-
-  focusFirstElement: function(form) {
-    var form = $(form);
-    var elements = Form.getElements(form);
-    for (var i = 0; i < elements.length; i++) {
-      var element = elements[i];
-      if (element.type != 'hidden' && !element.disabled) {
-        Field.activate(element);
-        break;
-      }
-    }
-  },
-
-  reset: function(form) {
-    $(form).reset();
-  }
-}
-
-Form.Element = {
-  serialize: function(element) {
-    var element = $(element);
-    var method = element.tagName.toLowerCase();
-    var parameter = Form.Element.Serializers[method](element);
-
-    if (parameter)
-      return encodeURIComponent(parameter[0]) + '=' +
-        encodeURIComponent(parameter[1]);
-  },
-
-  getValue: function(element) {
-    var element = $(element);
-    var method = element.tagName.toLowerCase();
-    var parameter = Form.Element.Serializers[method](element);
-
-    if (parameter)
-      return parameter[1];
-  }
-}
-
-Form.Element.Serializers = {
-  input: function(element) {
-    switch (element.type.toLowerCase()) {
-      case 'submit':
-      case 'hidden':
-      case 'password':
-      case 'text':
-        return Form.Element.Serializers.textarea(element);
-      case 'checkbox':
-      case 'radio':
-        return Form.Element.Serializers.inputSelector(element);
-    }
-    return false;
-  },
-
-  inputSelector: function(element) {
-    if (element.checked)
-      return [element.name, element.value];
-  },
-
-  textarea: function(element) {
-    return [element.name, element.value];
-  },
-
-  select: function(element) {
-    return Form.Element.Serializers[element.type == 'select-one' ?
-      'selectOne' : 'selectMany'](element);
-  },
-
-  selectOne: function(element) {
-    var value = '', opt, index = element.selectedIndex;
-    if (index >= 0) {
-      opt = element.options[index];
-      value = opt.value;
-      if (!value && !('value' in opt))
-        value = opt.text;
-    }
-    return [element.name, value];
-  },
-
-  selectMany: function(element) {
-    var value = new Array();
-    for (var i = 0; i < element.length; i++) {
-      var opt = element.options[i];
-      if (opt.selected) {
-        var optValue = opt.value;
-        if (!optValue && !('value' in opt))
-          optValue = opt.text;
-        value.push(optValue);
-      }
-    }
-    return [element.name, value];
-  }
-}
-
-/*--------------------------------------------------------------------------*/
-
-var $F = Form.Element.getValue;
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.TimedObserver = function() {}
-Abstract.TimedObserver.prototype = {
-  initialize: function(element, frequency, callback) {
-    this.frequency = frequency;
-    this.element   = $(element);
-    this.callback  = callback;
-
-    this.lastValue = this.getValue();
-    this.registerCallback();
-  },
-
-  registerCallback: function() {
-    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
-  },
-
-  onTimerEvent: function() {
-    var value = this.getValue();
-    if (this.lastValue != value) {
-      this.callback(this.element, value);
-      this.lastValue = value;
-    }
-  }
-}
-
-Form.Element.Observer = Class.create();
-Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
-  getValue: function() {
-    return Form.Element.getValue(this.element);
-  }
-});
-
-Form.Observer = Class.create();
-Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
-  getValue: function() {
-    return Form.serialize(this.element);
-  }
-});
-
-/*--------------------------------------------------------------------------*/
-
-Abstract.EventObserver = function() {}
-Abstract.EventObserver.prototype = {
-  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() {
-    var elements = Form.getElements(this.element);
-    for (var i = 0; i < elements.length; i++)
-      this.registerCallback(elements[i]);
-  },
-
-  registerCallback: function(element) {
-    if (element.type) {
-      switch (element.type.toLowerCase()) {
-        case 'checkbox':
-        case 'radio':
-          element.target = this;
-          element.prev_onclick = element.onclick || Prototype.emptyFunction;
-          element.onclick = function() {
-            this.prev_onclick();
-            this.target.onElementEvent();
-          }
-          break;
-        case 'password':
-        case 'text':
-        case 'textarea':
-        case 'select-one':
-        case 'select-multiple':
-          element.target = this;
-          element.prev_onchange = element.onchange || Prototype.emptyFunction;
-          element.onchange = function() {
-            this.prev_onchange();
-            this.target.onElementEvent();
-          }
-          break;
-      }
-    }
-  }
-}
-
-Form.Element.EventObserver = Class.create();
-Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
-  getValue: function() {
-    return Form.Element.getValue(this.element);
-  }
-});
-
-Form.EventObserver = Class.create();
-Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
-  getValue: function() {
-    return Form.serialize(this.element);
-  }
-});
-
-
-if (!window.Event) {
-  var Event = new Object();
-}
-
-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,
-
-  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;
-    }
-  },
-
-  // find the first node with the given tagName, starting from the
-  // node the event was triggered on; traverses the DOM upwards
-  findElement: function(event, tagName) {
-    var element = Event.element(event);
-    while (element.parentNode && (!element.tagName ||
-        (element.tagName.toUpperCase() != tagName.toUpperCase())))
-      element = element.parentNode;
-    return element;
-  },
-
-  observers: false,
-
-  _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 = $(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 = $(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);
-    }
-  }
-});
-
-/* prevent memory leaks in IE */
-Event.observe(window, 'unload', Event.unloadCache, false);
-
-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;
-  },
-
-  realOffset: function(element) {
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.scrollTop  || 0;
-      valueL += element.scrollLeft || 0;
-      element = element.parentNode;
-    } while (element);
-    return [valueL, valueT];
-  },
-
-  cumulativeOffset: function(element) {
-    var valueT = 0, valueL = 0;
-    do {
-      valueT += element.offsetTop  || 0;
-      valueL += element.offsetLeft || 0;
-      element = element.offsetParent;
-    } while (element);
-    return [valueL, valueT];
-  },
-
-  // 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 = this.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 = this.realOffset(element);
-
-    this.xcomp = x + offsetcache[0] - this.deltaX;
-    this.ycomp = y + offsetcache[1] - this.deltaY;
-    this.offset = this.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;
-  },
-
-  clone: function(source, target) {
-    source = $(source);
-    target = $(target);
-    target.style.position = 'absolute';
-    var offsets = this.cumulativeOffset(source);
-    target.style.top    = offsets[1] + 'px';
-    target.style.left   = offsets[0] + 'px';
-    target.style.width  = source.offsetWidth + 'px';
-    target.style.height = source.offsetHeight + 'px';
-  }
-}
+/*  Prototype JavaScript framework, version 1.4.0_pre11
+ *  (c) 2005 Sam Stephenson <sam@conio.net>
+ *
+ *  THIS FILE IS AUTOMATICALLY GENERATED. When sending patches, please diff
+ *  against the source tree, available from the Prototype darcs repository.
+ *
+ *  Prototype is freely distributable under the terms of an MIT-style license.
+ *
+ *  For details, see the Prototype web site: http://prototype.conio.net/
+ *
+/*--------------------------------------------------------------------------*/
+
+var Prototype = {
+  Version: '1.4.0_pre11',
+
+  emptyFunction: function() {},
+  K: function(x) {return x}
+}
+
+var Class = {
+  create: function() {
+    return function() {
+      this.initialize.apply(this, arguments);
+    }
+  }
+}
+
+var Abstract = new Object();
+
+Object.extend = function(destination, source) {
+  for (property in source) {
+    destination[property] = source[property];
+  }
+  return destination;
+}
+
+Object.inspect = function(object) {
+  try {
+    if (object == undefined) return 'undefined';
+    if (object == null) return 'null';
+    return object.inspect ? object.inspect() : object.toString();
+  } catch (e) {
+    if (e instanceof RangeError) return '...';
+    throw e;
+  }
+}
+
+Function.prototype.bind = function(object) {
+  var __method = this;
+  return function() {
+    return __method.apply(object, arguments);
+  }
+}
+
+Function.prototype.bindAsEventListener = function(object) {
+  var __method = this;
+  return function(event) {
+    return __method.call(object, event || window.event);
+  }
+}
+
+Object.extend(Number.prototype, {
+  toColorPart: function() {
+    var digits = this.toString(16);
+    if (this < 16) return '0' + digits;
+    return digits;
+  },
+
+  succ: function() {
+    return this + 1;
+  },
+
+  times: function(iterator) {
+    $R(0, this, true).each(iterator);
+    return this;
+  }
+});
+
+var Try = {
+  these: function() {
+    var returnValue;
+
+    for (var i = 0; i < arguments.length; i++) {
+      var lambda = arguments[i];
+      try {
+        returnValue = lambda();
+        break;
+      } catch (e) {}
+    }
+
+    return returnValue;
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+var PeriodicalExecuter = Class.create();
+PeriodicalExecuter.prototype = {
+  initialize: function(callback, frequency) {
+    this.callback = callback;
+    this.frequency = frequency;
+    this.currentlyExecuting = false;
+
+    this.registerCallback();
+  },
+
+  registerCallback: function() {
+    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+  },
+
+  onTimerEvent: function() {
+    if (!this.currentlyExecuting) {
+      try {
+        this.currentlyExecuting = true;
+        this.callback();
+      } finally {
+        this.currentlyExecuting = false;
+      }
+    }
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+function $() {
+  var elements = new Array();
+
+  for (var i = 0; i < arguments.length; i++) {
+    var element = arguments[i];
+    if (typeof element == 'string')
+      element = document.getElementById(element);
+
+    if (arguments.length == 1)
+      return element;
+
+    elements.push(element);
+  }
+
+  return elements;
+}
+
+Object.extend(String.prototype, {
+  stripTags: function() {
+    return this.replace(/<\/?[^>]+>/gi, '');
+  },
+
+  escapeHTML: function() {
+    var div = document.createElement('div');
+    var text = document.createTextNode(this);
+    div.appendChild(text);
+    return div.innerHTML;
+  },
+
+  unescapeHTML: function() {
+    var div = document.createElement('div');
+    div.innerHTML = this.stripTags();
+    return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
+  },
+
+  toQueryParams: function() {
+    var pairs = this.match(/^\??(.*)$/)[1].split('&');
+    return pairs.inject({}, function(params, pairString) {
+      var pair = pairString.split('=');
+      params[pair[0]] = pair[1];
+      return params;
+    });
+  },
+
+  inspect: function() {
+    return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";
+  }
+});
+
+String.prototype.parseQuery = String.prototype.toQueryParams;
+
+
+var $break    = new Object();
+var $continue = new Object();
+
+var Enumerable = {
+  each: function(iterator) {
+    var index = 0;
+    try {
+      this._each(function(value) {
+        try {
+          iterator(value, index++);
+        } catch (e) {
+          if (e != $continue) throw e;
+        }
+      });
+    } catch (e) {
+      if (e != $break) throw e;
+    }
+  },
+
+  all: function(iterator) {
+    var result = true;
+    this.each(function(value, index) {
+      if (!(result &= (iterator || Prototype.K)(value, index)))
+        throw $break;
+    });
+    return result;
+  },
+
+  any: function(iterator) {
+    var result = true;
+    this.each(function(value, index) {
+      if (result &= (iterator || Prototype.K)(value, index))
+        throw $break;
+    });
+    return result;
+  },
+
+  collect: function(iterator) {
+    var results = [];
+    this.each(function(value, index) {
+      results.push(iterator(value, index));
+    });
+    return results;
+  },
+
+  detect: function (iterator) {
+    var result;
+    this.each(function(value, index) {
+      if (iterator(value, index)) {
+        result = value;
+        throw $break;
+      }
+    });
+    return result;
+  },
+
+  findAll: function(iterator) {
+    var results = [];
+    this.each(function(value, index) {
+      if (iterator(value, index))
+        results.push(value);
+    });
+    return results;
+  },
+
+  grep: function(pattern, iterator) {
+    var results = [];
+    this.each(function(value, index) {
+      var stringValue = value.toString();
+      if (stringValue.match(pattern))
+        results.push((iterator || Prototype.K)(value, index));
+    })
+    return results;
+  },
+
+  include: function(object) {
+    var found = false;
+    this.each(function(value) {
+      if (value == object) {
+        found = true;
+        throw $break;
+      }
+    });
+    return found;
+  },
+
+  inject: function(memo, iterator) {
+    this.each(function(value, index) {
+      memo = iterator(memo, value, index);
+    });
+    return memo;
+  },
+
+  invoke: function(method) {
+    var args = $A(arguments).slice(1);
+    return this.collect(function(value) {
+      return value[method].apply(value, args);
+    });
+  },
+
+  max: function(iterator) {
+    var result;
+    this.each(function(value, index) {
+      value = (iterator || Prototype.K)(value, index);
+      if (value >= (result || value))
+        result = value;
+    });
+    return result;
+  },
+
+  min: function(iterator) {
+    var result;
+    this.each(function(value, index) {
+      value = (iterator || Prototype.K)(value, index);
+      if (value <= (result || value))
+        result = value;
+    });
+    return result;
+  },
+
+  partition: function(iterator) {
+    var trues = [], falses = [];
+    this.each(function(value, index) {
+      ((iterator || Prototype.K)(value, index) ?
+        trues : falses).push(value);
+    });
+    return [trues, falses];
+  },
+
+  pluck: function(property) {
+    var results = [];
+    this.each(function(value, index) {
+      results.push(value[property]);
+    });
+    return results;
+  },
+
+  reject: function(iterator) {
+    var results = [];
+    this.each(function(value, index) {
+      if (!iterator(value, index))
+        results.push(value);
+    });
+    return results;
+  },
+
+  sortBy: function(iterator) {
+    return this.collect(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.collect(Prototype.K);
+  },
+
+  zip: function() {
+    var iterator = Prototype.K, args = $A(arguments);
+    if (typeof args.last() == 'function')
+      iterator = args.pop();
+
+    var collections = [this].concat(args).map($A);
+    return this.map(function(value, index) {
+      iterator(value = collections.pluck(index));
+      return value;
+    });
+  },
+
+  inspect: function() {
+    return '#<Enumerable:' + this.toArray().inspect() + '>';
+  }
+}
+
+Object.extend(Enumerable, {
+  map:     Enumerable.collect,
+  find:    Enumerable.detect,
+  select:  Enumerable.findAll,
+  member:  Enumerable.include,
+  entries: Enumerable.toArray
+});
+
+var $A = Array.from = function(iterable) {
+  if (iterable.toArray) {
+    return iterable.toArray();
+  } else {
+    var results = [];
+    for (var i = 0; i < iterable.length; i++)
+      results.push(iterable[i]);
+    return results;
+  }
+}
+
+Object.extend(Array.prototype, Enumerable);
+
+Object.extend(Array.prototype, {
+  _each: function(iterator) {
+    for (var i = 0; i < this.length; i++)
+      iterator(this[i]);
+  },
+
+  first: function() {
+    return this[0];
+  },
+
+  last: function() {
+    return this[this.length - 1];
+  },
+
+  compact: function() {
+    return this.select(function(value) {
+      return value != undefined || value != null;
+    });
+  },
+
+  flatten: function() {
+    return this.inject([], function(array, value) {
+      return array.concat(value.constructor == Array ?
+        value.flatten() : [value]);
+    });
+  },
+
+  without: function() {
+    var values = $A(arguments);
+    return this.select(function(value) {
+      return !values.include(value);
+    });
+  },
+
+  inspect: function() {
+    return '[' + this.map(Object.inspect).join(', ') + ']';
+  }
+});
+
+var Hash = {
+  _each: function(iterator) {
+    for (key in this) {
+      var value = this[key];
+      if (typeof value == 'function') continue;
+
+      var pair = [key, value];
+      pair.key = key;
+      pair.value = value;
+      iterator(pair);
+    }
+  },
+
+  keys: function() {
+    return this.pluck('key');
+  },
+
+  values: function() {
+    return this.pluck('value');
+  },
+
+  merge: function(hash) {
+    return $H(hash).inject($H(this), function(mergedHash, pair) {
+      mergedHash[pair.key] = pair.value;
+      return mergedHash;
+    });
+  },
+
+  toQueryString: function() {
+    return this.map(function(pair) {
+      return pair.map(encodeURIComponent).join('=');
+    }).join('&');
+  },
+
+  inspect: function() {
+    return '#<Hash:{' + this.map(function(pair) {
+      return pair.map(Object.inspect).join(': ');
+    }).join(', ') + '}>';
+  }
+}
+
+function $H(object) {
+  var hash = Object.extend({}, object || {});
+  Object.extend(hash, Enumerable);
+  Object.extend(hash, Hash);
+  return hash;
+}
+
+var Range = Class.create();
+Object.extend(Range.prototype, Enumerable);
+Object.extend(Range.prototype, {
+  initialize: function(start, end, exclusive) {
+    this.start = start;
+    this.end = end;
+    this.exclusive = exclusive;
+  },
+
+  _each: function(iterator) {
+    var value = this.start;
+    do {
+      iterator(value);
+      value = value.succ();
+    } while (this.include(value));
+  },
+
+  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 Range(start, end, exclusive);
+}
+
+var Ajax = {
+  getTransport: function() {
+    return Try.these(
+      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
+      function() {return new ActiveXObject('Microsoft.XMLHTTP')},
+      function() {return new XMLHttpRequest()}
+    ) || false;
+  },
+
+  activeRequestCount: 0
+}
+
+Ajax.Responders = {
+  responders: [],
+
+  _each: function(iterator) {
+    this.responders._each(iterator);
+  },
+
+  register: function(responderToAdd) {
+    if (!this.include(responderToAdd))
+      this.responders.push(responderToAdd);
+  },
+
+  unregister: function(responderToRemove) {
+    this.responders = this.responders.without(responderToRemove);
+  },
+
+  dispatch: function(callback, request, transport, json) {
+    this.each(function(responder) {
+      if (responder[callback] && typeof responder[callback] == 'function') {
+        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 = function() {};
+Ajax.Base.prototype = {
+  setOptions: function(options) {
+    this.options = {
+      method:       'post',
+      asynchronous: true,
+      parameters:   ''
+    }
+    Object.extend(this.options, options || {});
+  },
+
+  responseIsSuccess: function() {
+    return this.transport.status == undefined
+        || this.transport.status == 0
+        || (this.transport.status >= 200 && this.transport.status < 300);
+  },
+
+  responseIsFailure: function() {
+    return !this.responseIsSuccess();
+  }
+}
+
+Ajax.Request = Class.create();
+Ajax.Request.Events =
+  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
+
+Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
+  initialize: function(url, options) {
+    this.transport = Ajax.getTransport();
+    this.setOptions(options);
+    this.request(url);
+  },
+
+  request: function(url) {
+    var parameters = this.options.parameters || '';
+    if (parameters.length > 0) parameters += '&_=';
+
+    try {
+      this.url = url;
+      if (this.options.method == 'get')
+        this.url += '?' + parameters;
+
+      Ajax.Responders.dispatch('onCreate', this, this.transport);
+
+      this.transport.open(this.options.method, this.url,
+        this.options.asynchronous);
+
+      if (this.options.asynchronous) {
+        this.transport.onreadystatechange = this.onStateChange.bind(this);
+        setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
+      }
+
+      this.setRequestHeaders();
+
+      var body = this.options.postBody ? this.options.postBody : parameters;
+      this.transport.send(this.options.method == 'post' ? body : null);
+
+    } catch (e) {
+    }
+  },
+
+  setRequestHeaders: function() {
+    var requestHeaders =
+      ['X-Requested-With', 'XMLHttpRequest',
+       'X-Prototype-Version', Prototype.Version];
+
+    if (this.options.method == 'post') {
+      requestHeaders.push('Content-type',
+        'application/x-www-form-urlencoded');
+
+      /* Force "Connection: close" for Mozilla browsers to work around
+       * a bug where XMLHttpReqeuest sends an incorrect Content-length
+       * header. See Mozilla Bugzilla #246651.
+       */
+      if (this.transport.overrideMimeType)
+        requestHeaders.push('Connection', 'close');
+    }
+
+    if (this.options.requestHeaders)
+      requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
+
+    for (var i = 0; i < requestHeaders.length; i += 2)
+      this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
+  },
+
+  onStateChange: function() {
+    var readyState = this.transport.readyState;
+    if (readyState != 1)
+      this.respondToReadyState(this.transport.readyState);
+  },
+
+  evalJSON: function() {
+    try {
+      var json = this.transport.getResponseHeader('X-JSON'), object;
+      object = eval(json);
+      return object;
+    } catch (e) {
+    }
+  },
+
+  respondToReadyState: function(readyState) {
+    var event = Ajax.Request.Events[readyState];
+    var transport = this.transport, json = this.evalJSON();
+
+    if (event == 'Complete')
+      (this.options['on' + this.transport.status]
+       || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
+       || Prototype.emptyFunction)(transport, json);
+
+    (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
+    Ajax.Responders.dispatch('on' + event, this, transport, json);
+
+    /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
+    if (event == 'Complete')
+      this.transport.onreadystatechange = Prototype.emptyFunction;
+  }
+});
+
+Ajax.Updater = Class.create();
+Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)';
+
+Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
+  initialize: function(container, url, options) {
+    this.containers = {
+      success: container.success ? $(container.success) : $(container),
+      failure: container.failure ? $(container.failure) :
+        (container.success ? null : $(container))
+    }
+
+    this.transport = Ajax.getTransport();
+    this.setOptions(options);
+
+    var onComplete = this.options.onComplete || Prototype.emptyFunction;
+    this.options.onComplete = (function(transport, object) {
+      this.updateContent();
+      onComplete(transport, object);
+    }).bind(this);
+
+    this.request(url);
+  },
+
+  updateContent: function() {
+    var receiver = this.responseIsSuccess() ?
+      this.containers.success : this.containers.failure;
+
+    var match    = new RegExp(Ajax.Updater.ScriptFragment, 'img');
+    var response = this.transport.responseText.replace(match, '');
+    var scripts  = this.transport.responseText.match(match);
+
+    if (receiver) {
+      if (this.options.insertion) {
+        new this.options.insertion(receiver, response);
+      } else {
+        receiver.innerHTML = response;
+      }
+    }
+
+    if (this.responseIsSuccess()) {
+      if (this.onComplete)
+        setTimeout(this.onComplete.bind(this), 10);
+    }
+
+    if (this.options.evalScripts && scripts) {
+      match = new RegExp(Ajax.Updater.ScriptFragment, 'im');
+      setTimeout((function() {
+        for (var i = 0; i < scripts.length; i++)
+          eval(scripts[i].match(match)[1]);
+      }).bind(this), 10);
+    }
+  }
+});
+
+Ajax.PeriodicalUpdater = Class.create();
+Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
+  initialize: function(container, url, options) {
+    this.setOptions(options);
+    this.onComplete = this.options.onComplete;
+
+    this.frequency = (this.options.frequency || 2);
+    this.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.onComplete = undefined;
+    clearTimeout(this.timer);
+    (this.onComplete || Ajax.emptyFunction).apply(this, arguments);
+  },
+
+  updateComplete: function(request) {
+    if (this.options.decay) {
+      this.decay = (request.responseText == this.lastText ?
+        this.decay * this.options.decay : 1);
+
+      this.lastText = request.responseText;
+    }
+    this.timer = setTimeout(this.onTimerEvent.bind(this),
+      this.decay * this.frequency * 1000);
+  },
+
+  onTimerEvent: function() {
+    this.updater = new Ajax.Updater(this.container, this.url, this.options);
+  }
+});
+
+document.getElementsByClassName = function(className, parentElement) {
+  var children = (document.body || $(parentElement)).getElementsByTagName('*');
+  return $A(children).inject([], function(elements, child) {
+    if (Element.hasClassName(child, className))
+      elements.push(child);
+    return elements;
+  });
+}
+
+/*--------------------------------------------------------------------------*/
+
+if (!window.Element) {
+  var Element = new Object();
+}
+
+Object.extend(Element, {
+  visible: function(element) {
+    return $(element).style.display != 'none';
+  },
+
+  toggle: function() {
+    for (var i = 0; i < arguments.length; i++) {
+      var element = $(arguments[i]);
+      Element[Element.visible(element) ? 'show' : 'hide'](element);
+    }
+  },
+
+  hide: function() {
+    for (var i = 0; i < arguments.length; i++) {
+      var element = $(arguments[i]);
+      element.style.display = 'none';
+    }
+  },
+
+  show: function() {
+    for (var i = 0; i < arguments.length; i++) {
+      var element = $(arguments[i]);
+      element.style.display = '';
+    }
+  },
+
+  remove: function(element) {
+    element = $(element);
+    element.parentNode.removeChild(element);
+  },
+
+  getHeight: function(element) {
+    element = $(element);
+    return element.offsetHeight;
+  },
+
+  classNames: function(element) {
+    return new Element.ClassNames(element);
+  },
+
+  hasClassName: function(element, className) {
+    if (!(element = $(element))) return;
+    return Element.classNames(element).include(className);
+  },
+
+  addClassName: function(element, className) {
+    if (!(element = $(element))) return;
+    return Element.classNames(element).add(className);
+  },
+
+  removeClassName: function(element, className) {
+    if (!(element = $(element))) return;
+    return Element.classNames(element).remove(className);
+  },
+
+  // removes whitespace-only text node children
+  cleanWhitespace: function(element) {
+    element = $(element);
+    for (var i = 0; i < element.childNodes.length; i++) {
+      var node = element.childNodes[i];
+      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
+        Element.remove(node);
+    }
+  },
+
+  empty: function(element) {
+    return $(element).innerHTML.match(/^\s*$/);
+  },
+
+  scrollTo: function(element) {
+    element = $(element);
+    var x = element.x ? element.x : element.offsetLeft,
+        y = element.y ? element.y : element.offsetTop;
+    window.scrollTo(x, y);
+  }
+});
+
+var Toggle = new Object();
+Toggle.display = Element.toggle;
+
+/*--------------------------------------------------------------------------*/
+
+Abstract.Insertion = function(adjacency) {
+  this.adjacency = adjacency;
+}
+
+Abstract.Insertion.prototype = {
+  initialize: function(element, content) {
+    this.element = $(element);
+    this.content = content;
+
+    if (this.adjacency && this.element.insertAdjacentHTML) {
+      try {
+        this.element.insertAdjacentHTML(this.adjacency, this.content);
+      } catch (e) {
+        if (this.element.tagName.toLowerCase() == 'tbody') {
+          this.fragment = this.contentFromAnonymousTable();
+          this.insertContent();
+        } else {
+          throw e;
+        }
+      }
+    } else {
+      this.range = this.element.ownerDocument.createRange();
+      if (this.initializeRange) this.initializeRange();
+      this.fragment = this.range.createContextualFragment(this.content);
+      this.insertContent();
+    }
+  },
+
+  contentFromAnonymousTable: function() {
+    var div = document.createElement('div');
+    div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
+    return div.childNodes[0].childNodes[0].childNodes[0];
+  }
+}
+
+var Insertion = new Object();
+
+Insertion.Before = Class.create();
+Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
+  initializeRange: function() {
+    this.range.setStartBefore(this.element);
+  },
+
+  insertContent: function() {
+    this.element.parentNode.insertBefore(this.fragment, this.element);
+  }
+});
+
+Insertion.Top = Class.create();
+Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
+  initializeRange: function() {
+    this.range.selectNodeContents(this.element);
+    this.range.collapse(true);
+  },
+
+  insertContent: function() {
+    this.element.insertBefore(this.fragment, this.element.firstChild);
+  }
+});
+
+Insertion.Bottom = Class.create();
+Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
+  initializeRange: function() {
+    this.range.selectNodeContents(this.element);
+    this.range.collapse(this.element);
+  },
+
+  insertContent: function() {
+    this.element.appendChild(this.fragment);
+  }
+});
+
+Insertion.After = Class.create();
+Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
+  initializeRange: function() {
+    this.range.setStartAfter(this.element);
+  },
+
+  insertContent: function() {
+    this.element.parentNode.insertBefore(this.fragment,
+      this.element.nextSibling);
+  }
+});
+
+/*--------------------------------------------------------------------------*/
+
+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(this.toArray().concat(classNameToAdd).join(' '));
+  },
+
+  remove: function(classNameToRemove) {
+    if (!this.include(classNameToRemove)) return;
+    this.set(this.select(function(className) {
+      return className != classNameToRemove;
+    }));
+  },
+
+  toString: function() {
+    return this.toArray().join(' ');
+  }
+}
+
+Object.extend(Element.ClassNames.prototype, Enumerable);
+
+var Field = {
+  clear: function() {
+    for (var i = 0; i < arguments.length; i++)
+      $(arguments[i]).value = '';
+  },
+
+  focus: function(element) {
+    $(element).focus();
+  },
+
+  present: function() {
+    for (var i = 0; i < arguments.length; i++)
+      if ($(arguments[i]).value == '') return false;
+    return true;
+  },
+
+  select: function(element) {
+    $(element).select();
+  },
+
+  activate: function(element) {
+    $(element).focus();
+    $(element).select();
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+var Form = {
+  serialize: function(form) {
+    var elements = Form.getElements($(form));
+    var queryComponents = new Array();
+
+    for (var i = 0; i < elements.length; i++) {
+      var queryComponent = Form.Element.serialize(elements[i]);
+      if (queryComponent)
+        queryComponents.push(queryComponent);
+    }
+
+    return queryComponents.join('&');
+  },
+
+  getElements: function(form) {
+    var form = $(form);
+    var elements = new Array();
+
+    for (tagName in Form.Element.Serializers) {
+      var tagElements = form.getElementsByTagName(tagName);
+      for (var j = 0; j < tagElements.length; j++)
+        elements.push(tagElements[j]);
+    }
+    return elements;
+  },
+
+  getInputs: function(form, typeName, name) {
+    var form = $(form);
+    var inputs = form.getElementsByTagName('input');
+
+    if (!typeName && !name)
+      return inputs;
+
+    var matchingInputs = new Array();
+    for (var i = 0; i < inputs.length; i++) {
+      var input = inputs[i];
+      if ((typeName && input.type != typeName) ||
+          (name && input.name != name))
+        continue;
+      matchingInputs.push(input);
+    }
+
+    return matchingInputs;
+  },
+
+  disable: function(form) {
+    var elements = Form.getElements(form);
+    for (var i = 0; i < elements.length; i++) {
+      var element = elements[i];
+      element.blur();
+      element.disabled = 'true';
+    }
+  },
+
+  enable: function(form) {
+    var elements = Form.getElements(form);
+    for (var i = 0; i < elements.length; i++) {
+      var element = elements[i];
+      element.disabled = '';
+    }
+  },
+
+  focusFirstElement: function(form) {
+    var form = $(form);
+    var elements = Form.getElements(form);
+    for (var i = 0; i < elements.length; i++) {
+      var element = elements[i];
+      if (element.type != 'hidden' && !element.disabled) {
+        Field.activate(element);
+        break;
+      }
+    }
+  },
+
+  reset: function(form) {
+    $(form).reset();
+  }
+}
+
+Form.Element = {
+  serialize: function(element) {
+    var element = $(element);
+    var method = element.tagName.toLowerCase();
+    var parameter = Form.Element.Serializers[method](element);
+
+    if (parameter)
+      return encodeURIComponent(parameter[0]) + '=' +
+        encodeURIComponent(parameter[1]);
+  },
+
+  getValue: function(element) {
+    var element = $(element);
+    var method = element.tagName.toLowerCase();
+    var parameter = Form.Element.Serializers[method](element);
+
+    if (parameter)
+      return parameter[1];
+  }
+}
+
+Form.Element.Serializers = {
+  input: function(element) {
+    switch (element.type.toLowerCase()) {
+      case 'submit':
+      case 'hidden':
+      case 'password':
+      case 'text':
+        return Form.Element.Serializers.textarea(element);
+      case 'checkbox':
+      case 'radio':
+        return Form.Element.Serializers.inputSelector(element);
+    }
+    return false;
+  },
+
+  inputSelector: function(element) {
+    if (element.checked)
+      return [element.name, element.value];
+  },
+
+  textarea: function(element) {
+    return [element.name, element.value];
+  },
+
+  select: function(element) {
+    return Form.Element.Serializers[element.type == 'select-one' ?
+      'selectOne' : 'selectMany'](element);
+  },
+
+  selectOne: function(element) {
+    var value = '', opt, index = element.selectedIndex;
+    if (index >= 0) {
+      opt = element.options[index];
+      value = opt.value;
+      if (!value && !('value' in opt))
+        value = opt.text;
+    }
+    return [element.name, value];
+  },
+
+  selectMany: function(element) {
+    var value = new Array();
+    for (var i = 0; i < element.length; i++) {
+      var opt = element.options[i];
+      if (opt.selected) {
+        var optValue = opt.value;
+        if (!optValue && !('value' in opt))
+          optValue = opt.text;
+        value.push(optValue);
+      }
+    }
+    return [element.name, value];
+  }
+}
+
+/*--------------------------------------------------------------------------*/
+
+var $F = Form.Element.getValue;
+
+/*--------------------------------------------------------------------------*/
+
+Abstract.TimedObserver = function() {}
+Abstract.TimedObserver.prototype = {
+  initialize: function(element, frequency, callback) {
+    this.frequency = frequency;
+    this.element   = $(element);
+    this.callback  = callback;
+
+    this.lastValue = this.getValue();
+    this.registerCallback();
+  },
+
+  registerCallback: function() {
+    setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
+  },
+
+  onTimerEvent: function() {
+    var value = this.getValue();
+    if (this.lastValue != value) {
+      this.callback(this.element, value);
+      this.lastValue = value;
+    }
+  }
+}
+
+Form.Element.Observer = Class.create();
+Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
+  getValue: function() {
+    return Form.Element.getValue(this.element);
+  }
+});
+
+Form.Observer = Class.create();
+Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
+  getValue: function() {
+    return Form.serialize(this.element);
+  }
+});
+
+/*--------------------------------------------------------------------------*/
+
+Abstract.EventObserver = function() {}
+Abstract.EventObserver.prototype = {
+  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() {
+    var elements = Form.getElements(this.element);
+    for (var i = 0; i < elements.length; i++)
+      this.registerCallback(elements[i]);
+  },
+
+  registerCallback: function(element) {
+    if (element.type) {
+      switch (element.type.toLowerCase()) {
+        case 'checkbox':
+        case 'radio':
+          element.target = this;
+          element.prev_onclick = element.onclick || Prototype.emptyFunction;
+          element.onclick = function() {
+            this.prev_onclick();
+            this.target.onElementEvent();
+          }
+          break;
+        case 'password':
+        case 'text':
+        case 'textarea':
+        case 'select-one':
+        case 'select-multiple':
+          element.target = this;
+          element.prev_onchange = element.onchange || Prototype.emptyFunction;
+          element.onchange = function() {
+            this.prev_onchange();
+            this.target.onElementEvent();
+          }
+          break;
+      }
+    }
+  }
+}
+
+Form.Element.EventObserver = Class.create();
+Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
+  getValue: function() {
+    return Form.Element.getValue(this.element);
+  }
+});
+
+Form.EventObserver = Class.create();
+Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
+  getValue: function() {
+    return Form.serialize(this.element);
+  }
+});
+
+
+if (!window.Event) {
+  var Event = new Object();
+}
+
+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,
+
+  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;
+    }
+  },
+
+  // find the first node with the given tagName, starting from the
+  // node the event was triggered on; traverses the DOM upwards
+  findElement: function(event, tagName) {
+    var element = Event.element(event);
+    while (element.parentNode && (!element.tagName ||
+        (element.tagName.toUpperCase() != tagName.toUpperCase())))
+      element = element.parentNode;
+    return element;
+  },
+
+  observers: false,
+
+  _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 = $(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 = $(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);
+    }
+  }
+});
+
+/* prevent memory leaks in IE */
+Event.observe(window, 'unload', Event.unloadCache, false);
+
+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;
+  },
+
+  realOffset: function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.scrollTop  || 0;
+      valueL += element.scrollLeft || 0;
+      element = element.parentNode;
+    } while (element);
+    return [valueL, valueT];
+  },
+
+  cumulativeOffset: function(element) {
+    var valueT = 0, valueL = 0;
+    do {
+      valueT += element.offsetTop  || 0;
+      valueL += element.offsetLeft || 0;
+      element = element.offsetParent;
+    } while (element);
+    return [valueL, valueT];
+  },
+
+  // 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 = this.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 = this.realOffset(element);
+
+    this.xcomp = x + offsetcache[0] - this.deltaX;
+    this.ycomp = y + offsetcache[1] - this.deltaY;
+    this.offset = this.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;
+  },
+
+  clone: function(source, target) {
+    source = $(source);
+    target = $(target);
+    target.style.position = 'absolute';
+    var offsets = this.cumulativeOffset(source);
+    target.style.top    = offsets[1] + 'px';
+    target.style.left   = offsets[0] + 'px';
+    target.style.width  = source.offsetWidth + 'px';
+    target.style.height = source.offsetHeight + 'px';
+  }
+}

Propchange: myfaces/tomahawk/trunk/sandbox/core/src/main/resources/org/apache/myfaces/custom/accordion/resource/prototype.js
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    svn:eol-style = native



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