/[webpac2]/Webpacus/root/js/prototype.js

This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!

Diff of /Webpacus/root/js/prototype.js

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-revision 83 by dpavlin,
Mon Nov 21 17:46:27 2005 UTC
+revision 203 by dpavlin,
Fri Dec  2 23:01:25 2005 UTC
 Line 1
- /*  Prototype JavaScript framework, version 1.3.1
+ /*  Prototype JavaScript framework, version 1.4.0_rc4
   *  (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.
   *
 Line 11
  /*--------------------------------------------------------------------------*/
  var Prototype = {
-   Version: '1.3.1',
+   Version: '1.4.0_rc4',
-   emptyFunction: function() {}
+   ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
+   emptyFunction: function() {},
+   K: function(x) {return x}
  }
  var Class = {
    create: function() {
      return function() {
        this.initialize.apply(this, arguments);
      }
    }
-Line 32 
 Object.extend = function(destination, so
+Line 35 
 Object.extend = function(destination, so
    return destination;
  }
- Object.prototype.extend = function(object) {
+ Object.inspect = function(object) {
-   return Object.extend.apply(this, [this, 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() {
-     __method.apply(object, arguments);
+     return __method.apply(object, arguments);
    }
  }
  Function.prototype.bindAsEventListener = function(object) {
    var __method = this;
    return function(event) {
-     __method.call(object, event || window.event);
+     return __method.call(object, event || window.event);
    }
  }
- Number.prototype.toColorPart = function() {
+ Object.extend(Number.prototype, {
-   var digits = this.toString(16);
+   toColorPart: function() {
-   if (this < 16) return '0' + digits;
+     var digits = this.toString(16);
-   return digits;
+     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() {
-Line 90 
 PeriodicalExecuter.prototype = {
+Line 111 
 PeriodicalExecuter.prototype = {
    onTimerEvent: function() {
      if (!this.currentlyExecuting) {
        try {
          this.currentlyExecuting = true;
          this.callback();
        } finally {
          this.currentlyExecuting = false;
        }
      }
-Line 110 
 function $() {
+Line 131 
 function $() {
      if (typeof element == 'string')
        element = document.getElementById(element);
      if (arguments.length == 1)
        return element;
      elements.push(element);
-Line 118 
 function $() {
+Line 139 
 function $() {
    return elements;
  }
+ Object.extend(String.prototype, {
+   stripTags: function() {
+     return this.replace(/<\/?[^>]+>/gi, '');
+   },
- if (!Array.prototype.push) {
+   stripScripts: function() {
-   Array.prototype.push = function() {
+     return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
-                 var startLength = this.length;
+   },
-                 for (var i = 0; i < arguments.length; i++)
-       this[startLength + i] = arguments[i];
-           return this.length;
-   }
- }
- if (!Function.prototype.apply) {
+   extractScripts: function() {
-   // Based on code from http://www.youngpup.net/
+     var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
-   Function.prototype.apply = function(object, parameters) {
+     var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
-     var parameterStrings = new Array();
+     return (this.match(matchAll) || []).map(function(scriptTag) {
-     if (!object)     object = window;
+       return (scriptTag.match(matchOne) || ['', ''])[1];
-     if (!parameters) parameters = new Array();
+     });
+   },
-     for (var i = 0; i < parameters.length; i++)
-       parameterStrings[i] = 'parameters[' + i + ']';
-     object.__apply__ = this;
-     var result = eval('object.__apply__(' +
-       parameterStrings[i].join(', ') + ')');
-     object.__apply__ = null;
-     return result;
-   }
- }
- String.prototype.extend({
+   evalScripts: function() {
-   stripTags: function() {
+     return this.extractScripts().map(eval);
-     return this.replace(/<\/?[^>]+>/gi, '');
    },
    escapeHTML: function() {
-Line 162 
 String.prototype.extend({
+Line 170 
 String.prototype.extend({
    unescapeHTML: function() {
      var div = document.createElement('div');
      div.innerHTML = this.stripTags();
-     return div.childNodes[0].nodeValue;
+     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;
+     });
+   },
+   toArray: function() {
+     return this.split('');
+   },
+   camelize: function() {
+     var oStringList = this.split('-');
+     if (oStringList.length == 1) return oStringList[0];
+     var camelizedString = this.indexOf('-') == 0
+       ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1)
+       : oStringList[0];
+     for (var i = 1, len = oStringList.length; i < len; i++) {
+       var s = oStringList[i];
+       camelizedString += s.charAt(0).toUpperCase() + s.substring(1);
+     }
+     return camelizedString;
+   },
+   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) {
+       result = result && !!(iterator || Prototype.K)(value, index);
+       if (!result) 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);
+ Array.prototype._reverse = Array.prototype.reverse;
+ Object.extend(Array.prototype, {
+   _each: function(iterator) {
+     for (var i = 0; i < this.length; i++)
+       iterator(this[i]);
+   },
+   clear: function() {
+     this.length = 0;
+     return this;
+   },
+   first: function() {
+     return this[0];
+   },
+   last: function() {
+     return this[this.length - 1];
+   },
+   compact: function() {
+     return this.select(function(value) {
+       return value != 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);
+     });
+   },
+   indexOf: function(object) {
+     for (var i = 0; i < this.length; i++)
+       if (this[i] == object) return i;
+     return -1;
+   },
+   reverse: function(inline) {
+     return (inline !== false ? this : this.toArray())._reverse();
+   },
+   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;
+ }
+ ObjectRange = Class.create();
+ Object.extend(ObjectRange.prototype, Enumerable);
+ Object.extend(ObjectRange.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 ObjectRange(start, end, exclusive);
+ }
  var Ajax = {
    getTransport: function() {
-Line 173 
 var Ajax = {
+Line 544 
 var Ajax = {
        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) {
-Line 183 
 Ajax.Base.prototype = {
+Line 595 
 Ajax.Base.prototype = {
        method:       'post',
        asynchronous: true,
        parameters:   ''
-     }.extend(options || {});
+     }
+     Object.extend(this.options, options || {});
    },
    responseIsSuccess: function() {
      return this.transport.status == undefined
          || this.transport.status == 0
          || (this.transport.status >= 200 && this.transport.status < 300);
    },
-Line 198 
 Ajax.Base.prototype = {
+Line 611 
 Ajax.Base.prototype = {
  }
  Ajax.Request = Class.create();
  Ajax.Request.Events =
    ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
- Ajax.Request.prototype = (new Ajax.Base()).extend({
+ Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
    initialize: function(url, options) {
      this.transport = Ajax.getTransport();
      this.setOptions(options);
-Line 213 
 Ajax.Request.prototype = (new Ajax.Base(
+Line 626 
 Ajax.Request.prototype = (new Ajax.Base(
      if (parameters.length > 0) parameters += '&_=';
      try {
-       if (this.options.method == 'get')
+       this.url = url;
-         url += '?' + parameters;
+       if (this.options.method == 'get' && parameters.length > 0)
+         this.url += (this.url.match(/\?/) ? '&' : '?') + parameters;
+       Ajax.Responders.dispatch('onCreate', this, this.transport);
-       this.transport.open(this.options.method, url,
+       this.transport.open(this.options.method, this.url,
          this.options.asynchronous);
        if (this.options.asynchronous) {
-Line 230 
 Ajax.Request.prototype = (new Ajax.Base(
+Line 646 
 Ajax.Request.prototype = (new Ajax.Base(
        this.transport.send(this.options.method == 'post' ? body : null);
      } catch (e) {
+       this.dispatchException(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');
-Line 263 
 Ajax.Request.prototype = (new Ajax.Base(
+Line 680 
 Ajax.Request.prototype = (new Ajax.Base(
        this.respondToReadyState(this.transport.readyState);
    },
+   header: function(name) {
+     try {
+       return this.transport.getResponseHeader(name);
+     } catch (e) {}
+   },
+   evalJSON: function() {
+     try {
+       return eval(this.header('X-JSON'));
+     } catch (e) {}
+   },
+   evalResponse: function() {
+     try {
+       return eval(this.transport.responseText);
+     } catch (e) {
+       this.dispatchException(e);
+     }
+   },
    respondToReadyState: function(readyState) {
      var event = Ajax.Request.Events[readyState];
+     var transport = this.transport, json = this.evalJSON();
-     if (event == 'Complete')
+     if (event == 'Complete') {
-       (this.options['on' + this.transport.status]
+       try {
-        || this.options['on' + this.responseIsSuccess() ? 'Success' : 'Failure']
+         (this.options['on' + this.transport.status]
-        || Prototype.emptyFunction)(this.transport);
+          || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')]
+          || Prototype.emptyFunction)(transport, json);
+       } catch (e) {
+         this.dispatchException(e);
+       }
-     (this.options['on' + event] || Prototype.emptyFunction)(this.transport);
+       if ((this.header('Content-type') || '').match(/^text\/javascript/i))
+         this.evalResponse();
+     }
+     try {
+       (this.options['on' + event] || Prototype.emptyFunction)(transport, json);
+       Ajax.Responders.dispatch('on' + event, this, transport, json);
+     } catch (e) {
+       this.dispatchException(e);
+     }
      /* Avoid memory leak in MSIE: clean up the oncomplete event handler */
      if (event == 'Complete')
        this.transport.onreadystatechange = Prototype.emptyFunction;
+   },
+   dispatchException: function(exception) {
+     (this.options.onException || Prototype.emptyFunction)(this, exception);
+     Ajax.Responders.dispatch('onException', this, exception);
    }
  });
  Ajax.Updater = Class.create();
- Ajax.Updater.ScriptFragment = '(?:<script.*?>)((\n|.)*?)(?:<\/script>)';
- Ajax.Updater.prototype.extend(Ajax.Request.prototype).extend({
+ Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
    initialize: function(container, url, options) {
      this.containers = {
        success: container.success ? $(container.success) : $(container),
-Line 294 
 Ajax.Updater.prototype.extend(Ajax.Reque
+Line 749 
 Ajax.Updater.prototype.extend(Ajax.Reque
      this.setOptions(options);
      var onComplete = this.options.onComplete || Prototype.emptyFunction;
-     this.options.onComplete = (function() {
+     this.options.onComplete = (function(transport, object) {
        this.updateContent();
-       onComplete(this.transport);
+       onComplete(transport, object);
      }).bind(this);
      this.request(url);
-Line 305 
 Ajax.Updater.prototype.extend(Ajax.Reque
+Line 760 
 Ajax.Updater.prototype.extend(Ajax.Reque
    updateContent: function() {
      var receiver = this.responseIsSuccess() ?
        this.containers.success : this.containers.failure;
+     var response = this.transport.responseText;
-     var match    = new RegExp(Ajax.Updater.ScriptFragment, 'img');
+     if (!this.options.evalScripts)
-     var response = this.transport.responseText.replace(match, '');
+       response = response.stripScripts();
-     var scripts  = this.transport.responseText.match(match);
      if (receiver) {
        if (this.options.insertion) {
          new this.options.insertion(receiver, response);
        } else {
-         receiver.innerHTML = response;
+         Element.update(receiver, response);
        }
      }
      if (this.responseIsSuccess()) {
        if (this.onComplete)
-         setTimeout((function() {this.onComplete(
+         setTimeout(this.onComplete.bind(this), 10);
-           this.transport)}).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 = (new Ajax.Base()).extend({
+ 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.decay = (this.options.decay || 1);
      this.updater = {};
      this.container = container;
-Line 358 
 Ajax.PeriodicalUpdater.prototype = (new
+Line 804 
 Ajax.PeriodicalUpdater.prototype = (new
    stop: function() {
      this.updater.onComplete = undefined;
      clearTimeout(this.timer);
-     (this.onComplete || Ajax.emptyFunction).apply(this, arguments);
+     (this.onComplete || Prototype.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);
    },
-Line 376 
 Ajax.PeriodicalUpdater.prototype = (new
+Line 822 
 Ajax.PeriodicalUpdater.prototype = (new
      this.updater = new Ajax.Updater(this.container, this.url, this.options);
    }
  });
+ document.getElementsByClassName = function(className, parentElement) {
- document.getElementsByClassName = function(className) {
+   var children = ($(parentElement) || document.body).getElementsByTagName('*');
-   var children = document.getElementsByTagName('*') || document.all;
+   return $A(children).inject([], function(elements, child) {
-   var elements = new Array();
+     if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
+       elements.push(child);
-   for (var i = 0; i < children.length; i++) {
+     return elements;
-     var child = children[i];
+   });
-     var classNames = child.className.split(' ');
-     for (var j = 0; j < classNames.length; j++) {
-       if (classNames[j] == className) {
-         elements.push(child);
-         break;
-       }
-     }
-   }
-   return elements;
  }
  /*--------------------------------------------------------------------------*/
-Line 402 
 if (!window.Element) {
+Line 838 
 if (!window.Element) {
  }
  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.style.display =
+       Element[Element.visible(element) ? 'hide' : 'show'](element);
-         (element.style.display == 'none' ? '' : 'none');
      }
    },
-Line 428 
 Object.extend(Element, {
+Line 867 
 Object.extend(Element, {
      element = $(element);
      element.parentNode.removeChild(element);
    },
+   update: function(element, html) {
+     $(element).innerHTML = html.stripScripts();
+     setTimeout(function() {html.evalScripts()}, 10);
+   },
    getHeight: function(element) {
      element = $(element);
      return element.offsetHeight;
+   },
+   classNames: function(element) {
+     return new Element.ClassNames(element);
    },
    hasClassName: function(element, className) {
-     element = $(element);
+     if (!(element = $(element))) return;
-     if (!element)
+     return Element.classNames(element).include(className);
-       return;
-     var a = element.className.split(' ');
-     for (var i = 0; i < a.length; i++) {
-       if (a[i] == className)
-         return true;
-     }
-     return false;
    },
    addClassName: function(element, className) {
-     element = $(element);
+     if (!(element = $(element))) return;
-     Element.removeClassName(element, className);
+     return Element.classNames(element).add(className);
-     element.className += ' ' + className;
    },
    removeClassName: function(element, className) {
-     element = $(element);
+     if (!(element = $(element))) return;
-     if (!element)
+     return Element.classNames(element).remove(className);
-       return;
-     var newClassName = '';
-     var a = element.className.split(' ');
-     for (var i = 0; i < a.length; i++) {
-       if (a[i] != className) {
-         if (i > 0)
-           newClassName += ' ';
-         newClassName += a[i];
-       }
-     }
-     element.className = newClassName;
    },
    // removes whitespace-only text node children
    cleanWhitespace: function(element) {
-     var element = $(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);
+   },
+   getStyle: function(element, style) {
+     element = $(element);
+     var value = element.style[style.camelize()];
+     if (!value) {
+       if (document.defaultView && document.defaultView.getComputedStyle) {
+         var css = document.defaultView.getComputedStyle(element, null);
+         value = css ? css.getPropertyValue(style) : null;
+       } else if (element.currentStyle) {
+         value = element.currentStyle[style.camelize()];
+       }
+     }
+     if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
+       if (Element.getStyle(element, 'position') == 'static') value = 'auto';
+     return value == 'auto' ? null : value;
+   },
+   setStyle: function(element, style) {
+     element = $(element);
+     for (name in style)
+       element.style[name.camelize()] = style[name];
+   },
+   getDimensions: function(element) {
+     element = $(element);
+     if (Element.getStyle(element, 'display') != 'none')
+       return {width: element.offsetWidth, height: element.offsetHeight};
+     // All *Width and *Height properties give 0 on elements with display none,
+     // so enable the element temporarily
+     var els = element.style;
+     var originalVisibility = els.visibility;
+     var originalPosition = els.position;
+     els.visibility = 'hidden';
+     els.position = 'absolute';
+     els.display = '';
+     var originalWidth = element.clientWidth;
+     var originalHeight = element.clientHeight;
+     els.display = 'none';
+     els.position = originalPosition;
+     els.visibility = originalVisibility;
+     return {width: originalWidth, height: originalHeight};
+   },
+   makePositioned: function(element) {
+     element = $(element);
+     var pos = Element.getStyle(element, 'position');
+     if (pos == 'static' || !pos) {
+       element._madePositioned = true;
+       element.style.position = 'relative';
+       // Opera returns the offset relative to the positioning context, when an
+       // element is position relative but top and left have not been defined
+       if (window.opera) {
+         element.style.top = 0;
+         element.style.left = 0;
+       }
+     }
+   },
+   undoPositioned: function(element) {
+     element = $(element);
+     if (element._madePositioned) {
+       element._madePositioned = undefined;
+       element.style.position =
+         element.style.top =
+         element.style.left =
+         element.style.bottom =
+         element.style.right = '';
+     }
+   },
+   makeClipping: function(element) {
+     element = $(element);
+     if (element._overflow) return;
+     element._overflow = element.style.overflow;
+     if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
+       element.style.overflow = 'hidden';
+   },
+   undoClipping: function(element) {
+     element = $(element);
+     if (element._overflow) return;
+     element.style.overflow = element._overflow;
+     element._overflow = undefined;
    }
  });
-Line 491 
 Abstract.Insertion = function(adjacency)
+Line 1018 
 Abstract.Insertion = function(adjacency)
  Abstract.Insertion.prototype = {
    initialize: function(element, content) {
      this.element = $(element);
-     this.content = content;
+     this.content = content.stripScripts();
      if (this.adjacency && this.element.insertAdjacentHTML) {
-       this.element.insertAdjacentHTML(this.adjacency, this.content);
+       try {
+         this.element.insertAdjacentHTML(this.adjacency, this.content);
+       } catch (e) {
+         if (this.element.tagName.toLowerCase() == 'tbody') {
+           this.insertContent(this.contentFromAnonymousTable());
+         } else {
+           throw e;
+         }
+       }
      } else {
        this.range = this.element.ownerDocument.createRange();
        if (this.initializeRange) this.initializeRange();
-       this.fragment = this.range.createContextualFragment(this.content);
+       this.insertContent([this.range.createContextualFragment(this.content)]);
-       this.insertContent();
      }
+     setTimeout(function() {content.evalScripts()}, 10);
+   },
+   contentFromAnonymousTable: function() {
+     var div = document.createElement('div');
+     div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
+     return $A(div.childNodes[0].childNodes[0].childNodes);
    }
  }
  var Insertion = new Object();
  Insertion.Before = Class.create();
- Insertion.Before.prototype = (new Abstract.Insertion('beforeBegin')).extend({
+ Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
    initializeRange: function() {
      this.range.setStartBefore(this.element);
    },
-   insertContent: function() {
+   insertContent: function(fragments) {
-     this.element.parentNode.insertBefore(this.fragment, this.element);
+     fragments.each((function(fragment) {
+       this.element.parentNode.insertBefore(fragment, this.element);
+     }).bind(this));
    }
  });
  Insertion.Top = Class.create();
- Insertion.Top.prototype = (new Abstract.Insertion('afterBegin')).extend({
+ Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
    initializeRange: function() {
      this.range.selectNodeContents(this.element);
      this.range.collapse(true);
    },
-   insertContent: function() {
+   insertContent: function(fragments) {
-     this.element.insertBefore(this.fragment, this.element.firstChild);
+     fragments.reverse(false).each((function(fragment) {
+       this.element.insertBefore(fragment, this.element.firstChild);
+     }).bind(this));
    }
  });
  Insertion.Bottom = Class.create();
- Insertion.Bottom.prototype = (new Abstract.Insertion('beforeEnd')).extend({
+ Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
    initializeRange: function() {
      this.range.selectNodeContents(this.element);
      this.range.collapse(this.element);
    },
-   insertContent: function() {
+   insertContent: function(fragments) {
-     this.element.appendChild(this.fragment);
+     fragments.each((function(fragment) {
+       this.element.appendChild(fragment);
+     }).bind(this));
    }
  });
  Insertion.After = Class.create();
- Insertion.After.prototype = (new Abstract.Insertion('afterEnd')).extend({
+ Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
    initializeRange: function() {
      this.range.setStartAfter(this.element);
    },
-   insertContent: function() {
+   insertContent: function(fragments) {
-     this.element.parentNode.insertBefore(this.fragment,
+     fragments.each((function(fragment) {
-       this.element.nextSibling);
+       this.element.parentNode.insertBefore(fragment,
+         this.element.nextSibling);
+     }).bind(this));
    }
  });
+ /*--------------------------------------------------------------------------*/
+ 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;
+     }).join(' '));
+   },
+   toString: function() {
+     return this.toArray().join(' ');
+   }
+ }
+ Object.extend(Element.ClassNames.prototype, Enumerable);
  var Field = {
    clear: function() {
      for (var i = 0; i < arguments.length; i++)
-Line 562 
 var Field = {
+Line 1148 
 var Field = {
    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 = $(element);
-     $(element).select();
+     element.focus();
+     if (element.select)
+       element.select();
    }
  }
-Line 585 
 var Form = {
+Line 1173 
 var Form = {
    serialize: function(form) {
      var elements = Form.getElements($(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);
+     form = $(form);
      var elements = new Array();
      for (tagName in Form.Element.Serializers) {
-Line 606 
 var Form = {
+Line 1194 
 var Form = {
      }
      return elements;
    },
    getInputs: function(form, typeName, name) {
-     var form = $(form);
+     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);
      }
-Line 643 
 var Form = {
+Line 1231 
 var Form = {
      }
    },
+   findFirstElement: function(form) {
+     return Form.getElements(form).find(function(element) {
+       return element.type != 'hidden' && !element.disabled &&
+         ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
+     });
+   },
    focusFirstElement: function(form) {
-     var form = $(form);
+     Field.activate(Form.findFirstElement(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) {
-Line 662 
 var Form = {
+Line 1249 
 var Form = {
  Form.Element = {
    serialize: function(element) {
-     var element = $(element);
+     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);
+     element = $(element);
      var method = element.tagName.toLowerCase();
      var parameter = Form.Element.Serializers[method](element);
      if (parameter)
        return parameter[1];
    }
  }
-Line 689 
 Form.Element.Serializers = {
+Line 1276 
 Form.Element.Serializers = {
        case 'password':
        case 'text':
          return Form.Element.Serializers.textarea(element);
        case 'checkbox':
        case 'radio':
          return Form.Element.Serializers.inputSelector(element);
      }
-Line 706 
 Form.Element.Serializers = {
+Line 1293 
 Form.Element.Serializers = {
    },
    select: function(element) {
-     var value = '';
+     return Form.Element.Serializers[element.type == 'select-one' ?
-     if (element.type == 'select-one') {
+       'selectOne' : 'selectMany'](element);
-       var index = element.selectedIndex;
+   },
-       if (index >= 0)
-         value = element.options[index].value || element.options[index].text;
+   selectOne: function(element) {
-     } else {
+     var value = '', opt, index = element.selectedIndex;
-       value = new Array();
+     if (index >= 0) {
-       for (var i = 0; i < element.length; i++) {
+       opt = element.options[index];
-         var opt = element.options[i];
+       value = opt.value;
-         if (opt.selected)
+       if (!value && !('value' in opt))
-           value.push(opt.value || opt.text);
+         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];
-Line 735 
 Abstract.TimedObserver.prototype = {
+Line 1335 
 Abstract.TimedObserver.prototype = {
      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) {
-Line 754 
 Abstract.TimedObserver.prototype = {
+Line 1354 
 Abstract.TimedObserver.prototype = {
  }
  Form.Element.Observer = Class.create();
- Form.Element.Observer.prototype = (new Abstract.TimedObserver()).extend({
+ Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
    getValue: function() {
      return Form.Element.getValue(this.element);
    }
  });
  Form.Observer = Class.create();
- Form.Observer.prototype = (new Abstract.TimedObserver()).extend({
+ Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
    getValue: function() {
      return Form.serialize(this.element);
    }
-Line 774 
 Abstract.EventObserver.prototype = {
+Line 1374 
 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) {
-Line 789 
 Abstract.EventObserver.prototype = {
+Line 1389 
 Abstract.EventObserver.prototype = {
        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;
+           Event.observe(element, 'click', this.onElementEvent.bind(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;
+           Event.observe(element, 'change', this.onElementEvent.bind(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 = (new Abstract.EventObserver()).extend({
+ Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
    getValue: function() {
      return Form.Element.getValue(this.element);
    }
  });
  Form.EventObserver = Class.create();
- Form.EventObserver.prototype = (new Abstract.EventObserver()).extend({
+ Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
    getValue: function() {
      return Form.serialize(this.element);
    }
  });
  if (!window.Event) {
    var Event = new Object();
  }
-Line 865 
 Object.extend(Event, {
+Line 1453 
 Object.extend(Event, {
    },
    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;
      }
    },
-Line 894 
 Object.extend(Event, {
+Line 1483 
 Object.extend(Event, {
    },
    observers: false,
    _observeAndCache: function(element, name, observer, useCapture) {
      if (!this.observers) this.observers = [];
      if (element.addEventListener) {
-Line 905 
 Object.extend(Event, {
+Line 1494 
 Object.extend(Event, {
        element.attachEvent('on' + name, observer);
      }
    },
    unloadCache: function() {
      if (!Event.observers) return;
      for (var i = 0; i < Event.observers.length; i++) {
-Line 918 
 Object.extend(Event, {
+Line 1507 
 Object.extend(Event, {
    observe: function(element, name, observer, useCapture) {
      var element = $(element);
      useCapture = useCapture || false;
      if (name == 'keypress' &&
-         ((navigator.appVersion.indexOf('AppleWebKit') > 0)
+         (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.indexOf('AppleWebKit') > 0)
+         (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
          || element.detachEvent))
        name = 'keydown';
      if (element.removeEventListener) {
        element.removeEventListener(name, observer, useCapture);
      } else if (element.detachEvent) {
-Line 946 
 Object.extend(Event, {
+Line 1535 
 Object.extend(Event, {
  /* 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;
    },
-Line 971 
 var Position = {
+Line 1558 
 var Position = {
      var valueT = 0, valueL = 0;
      do {
        valueT += element.scrollTop  || 0;
        valueL += element.scrollLeft || 0;
        element = element.parentNode;
      } while (element);
      return [valueL, valueT];
-Line 987 
 var Position = {
+Line 1574 
 var Position = {
      return [valueL, valueT];
    },
+   positionedOffset: function(element) {
+     var valueT = 0, valueL = 0;
+     do {
+       valueT += element.offsetTop  || 0;
+       valueL += element.offsetLeft || 0;
+       element = element.offsetParent;
+       if (element) {
+         p = Element.getStyle(element, 'position');
+         if (p == 'relative' || p == 'absolute') break;
+       }
+     } while (element);
+     return [valueL, valueT];
+   },
+   offsetParent: function(element) {
+     if (element.offsetParent) return element.offsetParent;
+     if (element == document.body) return element;
+     while ((element = element.parentNode) && element != document.body)
+       if (Element.getStyle(element, 'position') != 'static')
+         return element;
+     return document.body;
+   },
    // caches x/y coordinate pair to use with overlap
    within: function(element, x, y) {
      if (this.includeScrollOffsets)
-Line 997 
 var Position = {
+Line 1609 
 var Position = {
      return (y >= this.offset[1] &&
              y <  this.offset[1] + element.offsetHeight &&
              x >= this.offset[0] &&
              x <  this.offset[0] + element.offsetWidth);
    },
-Line 1010 
 var Position = {
+Line 1622 
 var Position = {
      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;
    },
-Line 1034 
 var Position = {
+Line 1646 
 var Position = {
      target.style.left   = offsets[0] + 'px';
      target.style.width  = source.offsetWidth + 'px';
      target.style.height = source.offsetHeight + 'px';
+   },
+   page: function(forElement) {
+     var valueT = 0, valueL = 0;
+     var element = forElement;
+     do {
+       valueT += element.offsetTop  || 0;
+       valueL += element.offsetLeft || 0;
+       // Safari fix
+       if (element.offsetParent==document.body)
+         if (Element.getStyle(element,'position')=='absolute') break;
+     } while (element = element.offsetParent);
+     element = forElement;
+     do {
+       valueT -= element.scrollTop  || 0;
+       valueL -= element.scrollLeft || 0;
+     } while (element = element.parentNode);
+     return [valueL, valueT];
+   },
+   clone: function(source, target) {
+     var options = Object.extend({
+       setLeft:    true,
+       setTop:     true,
+       setWidth:   true,
+       setHeight:  true,
+       offsetTop:  0,
+       offsetLeft: 0
+     }, arguments[2] || {})
+     // find page position of source
+     source = $(source);
+     var p = Position.page(source);
+     // find coordinate system to use
+     target = $(target);
+     var delta = [0, 0];
+     var parent = null;
+     // delta [0,0] will do fine with position: fixed elements,
+     // position:absolute needs offsetParent deltas
+     if (Element.getStyle(target,'position') == 'absolute') {
+       parent = Position.offsetParent(target);
+       delta = Position.page(parent);
+     }
+     // correct by body offsets (fixes Safari)
+     if (parent == document.body) {
+       delta[0] -= document.body.offsetLeft;
+       delta[1] -= document.body.offsetTop;
+     }
+     // set position
+     if(options.setLeft)   target.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
+     if(options.setTop)    target.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
+     if(options.setWidth)  target.style.width = source.offsetWidth + 'px';
+     if(options.setHeight) target.style.height = source.offsetHeight + 'px';
+   },
+   absolutize: function(element) {
+     element = $(element);
+     if (element.style.position == 'absolute') return;
+     Position.prepare();
+     var offsets = Position.positionedOffset(element);
+     var top     = offsets[1];
+     var left    = offsets[0];
+     var width   = element.clientWidth;
+     var height  = element.clientHeight;
+     element._originalLeft   = left - parseFloat(element.style.left  || 0);
+     element._originalTop    = top  - parseFloat(element.style.top || 0);
+     element._originalWidth  = element.style.width;
+     element._originalHeight = element.style.height;
+     element.style.position = 'absolute';
+     element.style.top    = top + 'px';;
+     element.style.left   = left + 'px';;
+     element.style.width  = width + 'px';;
+     element.style.height = height + 'px';;
+   },
+   relativize: function(element) {
+     element = $(element);
+     if (element.style.position == 'relative') return;
+     Position.prepare();
+     element.style.position = 'relative';
+     var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
+     var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
+     element.style.top    = top + 'px';
+     element.style.left   = left + 'px';
+     element.style.height = element._originalHeight;
+     element.style.width  = element._originalWidth;
+   }
+ }
+ // Safari returns margins on body which is incorrect if the child is absolutely
+ // positioned.  For performance reasons, redefine Position.cumulativeOffset for
+ // KHTML/WebKit only.
+ if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
+   Position.cumulativeOffset = function(element) {
+     var valueT = 0, valueL = 0;
+     do {
+       valueT += element.offsetTop  || 0;
+       valueL += element.offsetLeft || 0;
+       if (element.offsetParent == document.body)
+         if (Element.getStyle(element, 'position') == 'absolute') break;
+       element = element.offsetParent;
+     } while (element);
+     return [valueL, valueT];
    }
  }

 Legend:



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+Added in v.203

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