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From lu4...@apache.org
Subject svn commit: r1098722 [3/5] - in /myfaces/tomahawk/trunk/core/src/main/resources/org/apache/myfaces/custom/prototype/resource: builder.js controls.js dragdrop.js effects.js prototype.js scriptaculous.js slider.js sound.js unittest.js
Date Mon, 02 May 2011 18:39:16 GMT
Modified: myfaces/tomahawk/trunk/core/src/main/resources/org/apache/myfaces/custom/prototype/resource/effects.js
URL: http://svn.apache.org/viewvc/myfaces/tomahawk/trunk/core/src/main/resources/org/apache/myfaces/custom/prototype/resource/effects.js?rev=1098722&r1=1098721&r2=1098722&view=diff
==============================================================================
--- myfaces/tomahawk/trunk/core/src/main/resources/org/apache/myfaces/custom/prototype/resource/effects.js (original)
+++ myfaces/tomahawk/trunk/core/src/main/resources/org/apache/myfaces/custom/prototype/resource/effects.js Mon May  2 18:39:15 2011
@@ -1,108 +1,122 @@
-// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
+// script.aculo.us effects.js v1.9.0, Thu Dec 23 16:54:48 -0500 2010
+
+// Copyright (c) 2005-2010 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
 // Contributors:
 //  Justin Palmer (http://encytemedia.com/)
 //  Mark Pilgrim (http://diveintomark.org/)
 //  Martin Bialasinki
-// 
-// See scriptaculous.js for full license.  
+//
+// script.aculo.us is freely distributable under the terms of an MIT-style license.
+// For details, see the script.aculo.us web site: http://script.aculo.us/
+
+// converts rgb() and #xxx to #xxxxxx format,
+// returns self (or first argument) if not convertable
+String.prototype.parseColor = function() {
+  var color = '#';
+  if (this.slice(0,4) == 'rgb(') {
+    var cols = this.slice(4,this.length-1).split(',');
+    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
+  } else {
+    if (this.slice(0,1) == '#') {
+      if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
+      if (this.length==7) color = this.toLowerCase();
+    }
+  }
+  return (color.length==7 ? color : (arguments[0] || this));
+};
 
-/* ------------- element ext -------------- */  
- 
-// converts rgb() and #xxx to #xxxxxx format,  
-// returns self (or first argument) if not convertable  
-String.prototype.parseColor = function() {  
-  var color = '#';  
-  if(this.slice(0,4) == 'rgb(') {  
-    var cols = this.slice(4,this.length-1).split(',');  
-    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);  
-  } else {  
-    if(this.slice(0,1) == '#') {  
-      if(this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();  
-      if(this.length==7) color = this.toLowerCase();  
-    }  
-  }  
-  return(color.length==7 ? color : (arguments[0] || this));  
-}
+/*--------------------------------------------------------------------------*/
 
-Element.collectTextNodes = function(element) {  
+Element.collectTextNodes = function(element) {
   return $A($(element).childNodes).collect( function(node) {
-    return (node.nodeType==3 ? node.nodeValue : 
+    return (node.nodeType==3 ? node.nodeValue :
       (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
   }).flatten().join('');
-}
+};
 
-Element.collectTextNodesIgnoreClass = function(element, className) {  
+Element.collectTextNodesIgnoreClass = function(element, className) {
   return $A($(element).childNodes).collect( function(node) {
-    return (node.nodeType==3 ? node.nodeValue : 
-      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ? 
-        Element.collectTextNodes(node) : ''));
+    return (node.nodeType==3 ? node.nodeValue :
+      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
+        Element.collectTextNodesIgnoreClass(node, className) : ''));
   }).flatten().join('');
-}
+};
 
-Element.setStyle = function(element, style) {
+Element.setContentZoom = function(element, percent) {
   element = $(element);
-  for(k in style) element.style[k.camelize()] = style[k];
-}
-
-Element.setContentZoom = function(element, percent) {  
-  Element.setStyle(element, {fontSize: (percent/100) + 'em'});   
-  if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);  
-}
-
-Element.getOpacity = function(element){  
-  var opacity;
-  if (opacity = Element.getStyle(element, 'opacity'))  
-    return parseFloat(opacity);  
-  if (opacity = (Element.getStyle(element, 'filter') || '').match(/alpha\(opacity=(.*)\)/))  
-    if(opacity[1]) return parseFloat(opacity[1]) / 100;  
-  return 1.0;  
-}
+  element.setStyle({fontSize: (percent/100) + 'em'});
+  if (Prototype.Browser.WebKit) window.scrollBy(0,0);
+  return element;
+};
 
-Element.setOpacity = function(element, value){  
-  element= $(element);  
-  if (value == 1){
-    Element.setStyle(element, { opacity: 
-      (/Gecko/.test(navigator.userAgent) && !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 
-      0.999999 : null });
-    if(/MSIE/.test(navigator.userAgent))  
-      Element.setStyle(element, {filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});  
-  } else {  
-    if(value < 0.00001) value = 0;  
-    Element.setStyle(element, {opacity: value});
-    if(/MSIE/.test(navigator.userAgent))  
-     Element.setStyle(element, 
-       { filter: Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'') +
-                 'alpha(opacity='+value*100+')' });  
-  }   
-}  
- 
-Element.getInlineOpacity = function(element){  
+Element.getInlineOpacity = function(element){
   return $(element).style.opacity || '';
-}  
-
-Element.childrenWithClassName = function(element, className) {  
-  return $A($(element).getElementsByTagName('*')).select(
-    function(c) { return Element.hasClassName(c, className) });
-}
+};
 
-Array.prototype.call = function() {
-  var args = arguments;
-  this.each(function(f){ f.apply(this, args) });
-}
+Element.forceRerendering = function(element) {
+  try {
+    element = $(element);
+    var n = document.createTextNode(' ');
+    element.appendChild(n);
+    element.removeChild(n);
+  } catch(e) { }
+};
 
 /*--------------------------------------------------------------------------*/
 
 var Effect = {
+  _elementDoesNotExistError: {
+    name: 'ElementDoesNotExistError',
+    message: 'The specified DOM element does not exist, but is required for this effect to operate'
+  },
+  Transitions: {
+    linear: Prototype.K,
+    sinoidal: function(pos) {
+      return (-Math.cos(pos*Math.PI)/2) + .5;
+    },
+    reverse: function(pos) {
+      return 1-pos;
+    },
+    flicker: function(pos) {
+      var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
+      return pos > 1 ? 1 : pos;
+    },
+    wobble: function(pos) {
+      return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
+    },
+    pulse: function(pos, pulses) {
+      return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
+    },
+    spring: function(pos) {
+      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
+    },
+    none: function(pos) {
+      return 0;
+    },
+    full: function(pos) {
+      return 1;
+    }
+  },
+  DefaultOptions: {
+    duration:   1.0,   // seconds
+    fps:        100,   // 100= assume 66fps max.
+    sync:       false, // true for combining
+    from:       0.0,
+    to:         1.0,
+    delay:      0.0,
+    queue:      'parallel'
+  },
   tagifyText: function(element) {
     var tagifyStyle = 'position:relative';
-    if(/MSIE/.test(navigator.userAgent)) tagifyStyle += ';zoom:1';
+    if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
+
     element = $(element);
     $A(element.childNodes).each( function(child) {
-      if(child.nodeType==3) {
+      if (child.nodeType==3) {
         child.nodeValue.toArray().each( function(character) {
           element.insertBefore(
-            Builder.node('span',{style: tagifyStyle},
-              character == ' ' ? String.fromCharCode(160) : character), 
+            new Element('span', {style: tagifyStyle}).update(
+              character == ' ' ? String.fromCharCode(160) : character),
               child);
         });
         Element.remove(child);
@@ -111,17 +125,17 @@ var Effect = {
   },
   multiple: function(element, effect) {
     var elements;
-    if(((typeof element == 'object') || 
-        (typeof element == 'function')) && 
+    if (((typeof element == 'object') ||
+        Object.isFunction(element)) &&
        (element.length))
       elements = element;
     else
       elements = $(element).childNodes;
-      
+
     var options = Object.extend({
       speed: 0.1,
       delay: 0.0
-    }, arguments[2] || {});
+    }, arguments[2] || { });
     var masterDelay = options.delay;
 
     $A(elements).each( function(element, index) {
@@ -133,53 +147,21 @@ var Effect = {
     'blind':  ['BlindDown','BlindUp'],
     'appear': ['Appear','Fade']
   },
-  toggle: function(element, effect) {
+  toggle: function(element, effect, options) {
     element = $(element);
-    effect = (effect || 'appear').toLowerCase();
-    var options = Object.extend({
-      queue: { position:'end', scope:(element.id || 'global') }
-    }, arguments[2] || {});
-    Effect[Element.visible(element) ? 
-      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
+    effect  = (effect || 'appear').toLowerCase();
+    
+    return Effect[ Effect.PAIRS[ effect ][ element.visible() ? 1 : 0 ] ](element, Object.extend({
+      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
+    }, options || {}));
   }
 };
 
-var Effect2 = Effect; // deprecated
-
-/* ------------- transitions ------------- */
-
-Effect.Transitions = {}
-
-Effect.Transitions.linear = function(pos) {
-  return pos;
-}
-Effect.Transitions.sinoidal = function(pos) {
-  return (-Math.cos(pos*Math.PI)/2) + 0.5;
-}
-Effect.Transitions.reverse  = function(pos) {
-  return 1-pos;
-}
-Effect.Transitions.flicker = function(pos) {
-  return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
-}
-Effect.Transitions.wobble = function(pos) {
-  return (-Math.cos(pos*Math.PI*(9*pos))/2) + 0.5;
-}
-Effect.Transitions.pulse = function(pos) {
-  return (Math.floor(pos*10) % 2 == 0 ? 
-    (pos*10-Math.floor(pos*10)) : 1-(pos*10-Math.floor(pos*10)));
-}
-Effect.Transitions.none = function(pos) {
-  return 0;
-}
-Effect.Transitions.full = function(pos) {
-  return 1;
-}
+Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;
 
 /* ------------- core effects ------------- */
 
-Effect.ScopedQueue = Class.create();
-Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
+Effect.ScopedQueue = Class.create(Enumerable, {
   initialize: function() {
     this.effects  = [];
     this.interval = null;
@@ -189,133 +171,141 @@ Object.extend(Object.extend(Effect.Scope
   },
   add: function(effect) {
     var timestamp = new Date().getTime();
-    
-    var position = (typeof effect.options.queue == 'string') ? 
+
+    var position = Object.isString(effect.options.queue) ?
       effect.options.queue : effect.options.queue.position;
-    
+
     switch(position) {
       case 'front':
-        // move unstarted effects after this effect  
+        // move unstarted effects after this effect
         this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
             e.startOn  += effect.finishOn;
             e.finishOn += effect.finishOn;
           });
         break;
+      case 'with-last':
+        timestamp = this.effects.pluck('startOn').max() || timestamp;
+        break;
       case 'end':
         // start effect after last queued effect has finished
         timestamp = this.effects.pluck('finishOn').max() || timestamp;
         break;
     }
-    
+
     effect.startOn  += timestamp;
     effect.finishOn += timestamp;
-    this.effects.push(effect);
-    if(!this.interval) 
-      this.interval = setInterval(this.loop.bind(this), 40);
+
+    if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
+      this.effects.push(effect);
+
+    if (!this.interval)
+      this.interval = setInterval(this.loop.bind(this), 15);
   },
   remove: function(effect) {
     this.effects = this.effects.reject(function(e) { return e==effect });
-    if(this.effects.length == 0) {
+    if (this.effects.length == 0) {
       clearInterval(this.interval);
       this.interval = null;
     }
   },
   loop: function() {
     var timePos = new Date().getTime();
-    this.effects.invoke('loop', timePos);
+    for(var i=0, len=this.effects.length;i<len;i++)
+      this.effects[i] && this.effects[i].loop(timePos);
   }
 });
 
 Effect.Queues = {
   instances: $H(),
   get: function(queueName) {
-    if(typeof queueName != 'string') return queueName;
-    
-    if(!this.instances[queueName])
-      this.instances[queueName] = new Effect.ScopedQueue();
-      
-    return this.instances[queueName];
+    if (!Object.isString(queueName)) return queueName;
+
+    return this.instances.get(queueName) ||
+      this.instances.set(queueName, new Effect.ScopedQueue());
   }
-}
+};
 Effect.Queue = Effect.Queues.get('global');
 
-Effect.DefaultOptions = {
-  transition: Effect.Transitions.sinoidal,
-  duration:   1.0,   // seconds
-  fps:        25.0,  // max. 25fps due to Effect.Queue implementation
-  sync:       false, // true for combining
-  from:       0.0,
-  to:         1.0,
-  delay:      0.0,
-  queue:      'parallel'
-}
-
-Effect.Base = function() {};
-Effect.Base.prototype = {
+Effect.Base = Class.create({
   position: null,
   start: function(options) {
-    this.options      = Object.extend(Object.extend({},Effect.DefaultOptions), options || {});
+    if (options && options.transition === false) options.transition = Effect.Transitions.linear;
+    this.options      = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
     this.currentFrame = 0;
     this.state        = 'idle';
     this.startOn      = this.options.delay*1000;
-    this.finishOn     = this.startOn + (this.options.duration*1000);
+    this.finishOn     = this.startOn+(this.options.duration*1000);
+    this.fromToDelta  = this.options.to-this.options.from;
+    this.totalTime    = this.finishOn-this.startOn;
+    this.totalFrames  = this.options.fps*this.options.duration;
+
+    this.render = (function() {
+      function dispatch(effect, eventName) {
+        if (effect.options[eventName + 'Internal'])
+          effect.options[eventName + 'Internal'](effect);
+        if (effect.options[eventName])
+          effect.options[eventName](effect);
+      }
+
+      return function(pos) {
+        if (this.state === "idle") {
+          this.state = "running";
+          dispatch(this, 'beforeSetup');
+          if (this.setup) this.setup();
+          dispatch(this, 'afterSetup');
+        }
+        if (this.state === "running") {
+          pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
+          this.position = pos;
+          dispatch(this, 'beforeUpdate');
+          if (this.update) this.update(pos);
+          dispatch(this, 'afterUpdate');
+        }
+      };
+    })();
+
     this.event('beforeStart');
-    if(!this.options.sync)
-      Effect.Queues.get(typeof this.options.queue == 'string' ? 
+    if (!this.options.sync)
+      Effect.Queues.get(Object.isString(this.options.queue) ?
         'global' : this.options.queue.scope).add(this);
   },
   loop: function(timePos) {
-    if(timePos >= this.startOn) {
-      if(timePos >= this.finishOn) {
+    if (timePos >= this.startOn) {
+      if (timePos >= this.finishOn) {
         this.render(1.0);
         this.cancel();
         this.event('beforeFinish');
-        if(this.finish) this.finish(); 
+        if (this.finish) this.finish();
         this.event('afterFinish');
-        return;  
+        return;
       }
-      var pos   = (timePos - this.startOn) / (this.finishOn - this.startOn);
-      var frame = Math.round(pos * this.options.fps * this.options.duration);
-      if(frame > this.currentFrame) {
+      var pos   = (timePos - this.startOn) / this.totalTime,
+          frame = (pos * this.totalFrames).round();
+      if (frame > this.currentFrame) {
         this.render(pos);
         this.currentFrame = frame;
       }
     }
   },
-  render: function(pos) {
-    if(this.state == 'idle') {
-      this.state = 'running';
-      this.event('beforeSetup');
-      if(this.setup) this.setup();
-      this.event('afterSetup');
-    }
-    if(this.state == 'running') {
-      if(this.options.transition) pos = this.options.transition(pos);
-      pos *= (this.options.to-this.options.from);
-      pos += this.options.from;
-      this.position = pos;
-      this.event('beforeUpdate');
-      if(this.update) this.update(pos);
-      this.event('afterUpdate');
-    }
-  },
   cancel: function() {
-    if(!this.options.sync)
-      Effect.Queues.get(typeof this.options.queue == 'string' ? 
+    if (!this.options.sync)
+      Effect.Queues.get(Object.isString(this.options.queue) ?
         'global' : this.options.queue.scope).remove(this);
     this.state = 'finished';
   },
   event: function(eventName) {
-    if(this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
-    if(this.options[eventName]) this.options[eventName](this);
+    if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
+    if (this.options[eventName]) this.options[eventName](this);
   },
   inspect: function() {
-    return '#<Effect:' + $H(this).inspect() + ',options:' + $H(this.options).inspect() + '>';
+    var data = $H();
+    for(property in this)
+      if (!Object.isFunction(this[property])) data.set(property, this[property]);
+    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
   }
-}
+});
 
-Effect.Parallel = Class.create();
-Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
+Effect.Parallel = Class.create(Effect.Base, {
   initialize: function(effects) {
     this.effects = effects || [];
     this.start(arguments[1]);
@@ -328,437 +318,458 @@ Object.extend(Object.extend(Effect.Paral
       effect.render(1.0);
       effect.cancel();
       effect.event('beforeFinish');
-      if(effect.finish) effect.finish(position);
+      if (effect.finish) effect.finish(position);
       effect.event('afterFinish');
     });
   }
 });
 
-Effect.Opacity = Class.create();
-Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
+Effect.Tween = Class.create(Effect.Base, {
+  initialize: function(object, from, to) {
+    object = Object.isString(object) ? $(object) : object;
+    var args = $A(arguments), method = args.last(),
+      options = args.length == 5 ? args[3] : null;
+    this.method = Object.isFunction(method) ? method.bind(object) :
+      Object.isFunction(object[method]) ? object[method].bind(object) :
+      function(value) { object[method] = value };
+    this.start(Object.extend({ from: from, to: to }, options || { }));
+  },
+  update: function(position) {
+    this.method(position);
+  }
+});
+
+Effect.Event = Class.create(Effect.Base, {
+  initialize: function() {
+    this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
+  },
+  update: Prototype.emptyFunction
+});
+
+Effect.Opacity = Class.create(Effect.Base, {
   initialize: function(element) {
     this.element = $(element);
+    if (!this.element) throw(Effect._elementDoesNotExistError);
     // make this work on IE on elements without 'layout'
-    if(/MSIE/.test(navigator.userAgent) && (!this.element.hasLayout))
-      Element.setStyle(this.element, {zoom: 1});
+    if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
+      this.element.setStyle({zoom: 1});
     var options = Object.extend({
-      from: Element.getOpacity(this.element) || 0.0,
+      from: this.element.getOpacity() || 0.0,
       to:   1.0
-    }, arguments[1] || {});
+    }, arguments[1] || { });
     this.start(options);
   },
   update: function(position) {
-    Element.setOpacity(this.element, position);
+    this.element.setOpacity(position);
   }
 });
 
-Effect.Move = Class.create();
-Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
+Effect.Move = Class.create(Effect.Base, {
   initialize: function(element) {
     this.element = $(element);
+    if (!this.element) throw(Effect._elementDoesNotExistError);
     var options = Object.extend({
       x:    0,
       y:    0,
       mode: 'relative'
-    }, arguments[1] || {});
+    }, arguments[1] || { });
     this.start(options);
   },
   setup: function() {
-    // Bug in Opera: Opera returns the "real" position of a static element or
-    // relative element that does not have top/left explicitly set.
-    // ==> Always set top and left for position relative elements in your stylesheets 
-    // (to 0 if you do not need them) 
-    Element.makePositioned(this.element);
-    this.originalLeft = parseFloat(Element.getStyle(this.element,'left') || '0');
-    this.originalTop  = parseFloat(Element.getStyle(this.element,'top')  || '0');
-    if(this.options.mode == 'absolute') {
-      // absolute movement, so we need to calc deltaX and deltaY
+    this.element.makePositioned();
+    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
+    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
+    if (this.options.mode == 'absolute') {
       this.options.x = this.options.x - this.originalLeft;
       this.options.y = this.options.y - this.originalTop;
     }
   },
   update: function(position) {
-    Element.setStyle(this.element, {
-      left: this.options.x  * position + this.originalLeft + 'px',
-      top:  this.options.y  * position + this.originalTop  + 'px'
+    this.element.setStyle({
+      left: (this.options.x  * position + this.originalLeft).round() + 'px',
+      top:  (this.options.y  * position + this.originalTop).round()  + 'px'
     });
   }
 });
 
 // for backwards compatibility
 Effect.MoveBy = function(element, toTop, toLeft) {
-  return new Effect.Move(element, 
-    Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
+  return new Effect.Move(element,
+    Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
 };
 
-Effect.Scale = Class.create();
-Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
+Effect.Scale = Class.create(Effect.Base, {
   initialize: function(element, percent) {
-    this.element = $(element)
+    this.element = $(element);
+    if (!this.element) throw(Effect._elementDoesNotExistError);
     var options = Object.extend({
       scaleX: true,
       scaleY: true,
       scaleContent: true,
       scaleFromCenter: false,
-      scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
+      scaleMode: 'box',        // 'box' or 'contents' or { } with provided values
       scaleFrom: 100.0,
       scaleTo:   percent
-    }, arguments[2] || {});
+    }, arguments[2] || { });
     this.start(options);
   },
   setup: function() {
     this.restoreAfterFinish = this.options.restoreAfterFinish || false;
-    this.elementPositioning = Element.getStyle(this.element,'position');
-    
-    this.originalStyle = {};
+    this.elementPositioning = this.element.getStyle('position');
+
+    this.originalStyle = { };
     ['top','left','width','height','fontSize'].each( function(k) {
       this.originalStyle[k] = this.element.style[k];
     }.bind(this));
-      
+
     this.originalTop  = this.element.offsetTop;
     this.originalLeft = this.element.offsetLeft;
-    
-    var fontSize = Element.getStyle(this.element,'font-size') || '100%';
-    ['em','px','%'].each( function(fontSizeType) {
-      if(fontSize.indexOf(fontSizeType)>0) {
+
+    var fontSize = this.element.getStyle('font-size') || '100%';
+    ['em','px','%','pt'].each( function(fontSizeType) {
+      if (fontSize.indexOf(fontSizeType)>0) {
         this.fontSize     = parseFloat(fontSize);
         this.fontSizeType = fontSizeType;
       }
     }.bind(this));
-    
+
     this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
-    
+
     this.dims = null;
-    if(this.options.scaleMode=='box')
+    if (this.options.scaleMode=='box')
       this.dims = [this.element.offsetHeight, this.element.offsetWidth];
-    if(/^content/.test(this.options.scaleMode))
+    if (/^content/.test(this.options.scaleMode))
       this.dims = [this.element.scrollHeight, this.element.scrollWidth];
-    if(!this.dims)
+    if (!this.dims)
       this.dims = [this.options.scaleMode.originalHeight,
                    this.options.scaleMode.originalWidth];
   },
   update: function(position) {
     var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
-    if(this.options.scaleContent && this.fontSize)
-      Element.setStyle(this.element, {fontSize: this.fontSize * currentScale + this.fontSizeType });
+    if (this.options.scaleContent && this.fontSize)
+      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
     this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
   },
   finish: function(position) {
-    if (this.restoreAfterFinish) Element.setStyle(this.element, this.originalStyle);
+    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
   },
   setDimensions: function(height, width) {
-    var d = {};
-    if(this.options.scaleX) d.width = width + 'px';
-    if(this.options.scaleY) d.height = height + 'px';
-    if(this.options.scaleFromCenter) {
+    var d = { };
+    if (this.options.scaleX) d.width = width.round() + 'px';
+    if (this.options.scaleY) d.height = height.round() + 'px';
+    if (this.options.scaleFromCenter) {
       var topd  = (height - this.dims[0])/2;
       var leftd = (width  - this.dims[1])/2;
-      if(this.elementPositioning == 'absolute') {
-        if(this.options.scaleY) d.top = this.originalTop-topd + 'px';
-        if(this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
+      if (this.elementPositioning == 'absolute') {
+        if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
+        if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
       } else {
-        if(this.options.scaleY) d.top = -topd + 'px';
-        if(this.options.scaleX) d.left = -leftd + 'px';
+        if (this.options.scaleY) d.top = -topd + 'px';
+        if (this.options.scaleX) d.left = -leftd + 'px';
       }
     }
-    Element.setStyle(this.element, d);
+    this.element.setStyle(d);
   }
 });
 
-Effect.Highlight = Class.create();
-Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
+Effect.Highlight = Class.create(Effect.Base, {
   initialize: function(element) {
     this.element = $(element);
-    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
+    if (!this.element) throw(Effect._elementDoesNotExistError);
+    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
     this.start(options);
   },
   setup: function() {
     // Prevent executing on elements not in the layout flow
-    if(Element.getStyle(this.element, 'display')=='none') { this.cancel(); return; }
+    if (this.element.getStyle('display')=='none') { this.cancel(); return; }
     // Disable background image during the effect
-    this.oldStyle = {
-      backgroundImage: Element.getStyle(this.element, 'background-image') };
-    Element.setStyle(this.element, {backgroundImage: 'none'});
-    if(!this.options.endcolor)
-      this.options.endcolor = Element.getStyle(this.element, 'background-color').parseColor('#ffffff');
-    if(!this.options.restorecolor)
-      this.options.restorecolor = Element.getStyle(this.element, 'background-color');
+    this.oldStyle = { };
+    if (!this.options.keepBackgroundImage) {
+      this.oldStyle.backgroundImage = this.element.getStyle('background-image');
+      this.element.setStyle({backgroundImage: 'none'});
+    }
+    if (!this.options.endcolor)
+      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
+    if (!this.options.restorecolor)
+      this.options.restorecolor = this.element.getStyle('background-color');
     // init color calculations
     this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
     this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
   },
   update: function(position) {
-    Element.setStyle(this.element,{backgroundColor: $R(0,2).inject('#',function(m,v,i){
-      return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart()); }.bind(this)) });
+    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
+      return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
   },
   finish: function() {
-    Element.setStyle(this.element, Object.extend(this.oldStyle, {
+    this.element.setStyle(Object.extend(this.oldStyle, {
       backgroundColor: this.options.restorecolor
     }));
   }
 });
 
-Effect.ScrollTo = Class.create();
-Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
-  initialize: function(element) {
-    this.element = $(element);
-    this.start(arguments[1] || {});
-  },
-  setup: function() {
-    Position.prepare();
-    var offsets = Position.cumulativeOffset(this.element);
-    if(this.options.offset) offsets[1] += this.options.offset;
-    var max = window.innerHeight ? 
-      window.height - window.innerHeight :
-      document.body.scrollHeight - 
-        (document.documentElement.clientHeight ? 
-          document.documentElement.clientHeight : document.body.clientHeight);
-    this.scrollStart = Position.deltaY;
-    this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
-  },
-  update: function(position) {
-    Position.prepare();
-    window.scrollTo(Position.deltaX, 
-      this.scrollStart + (position*this.delta));
-  }
-});
+Effect.ScrollTo = function(element) {
+  var options = arguments[1] || { },
+  scrollOffsets = document.viewport.getScrollOffsets(),
+  elementOffsets = $(element).cumulativeOffset();
+
+  if (options.offset) elementOffsets[1] += options.offset;
+
+  return new Effect.Tween(null,
+    scrollOffsets.top,
+    elementOffsets[1],
+    options,
+    function(p){ scrollTo(scrollOffsets.left, p.round()); }
+  );
+};
 
 /* ------------- combination effects ------------- */
 
 Effect.Fade = function(element) {
-  var oldOpacity = Element.getInlineOpacity(element);
+  element = $(element);
+  var oldOpacity = element.getInlineOpacity();
   var options = Object.extend({
-  from: Element.getOpacity(element) || 1.0,
-  to:   0.0,
-  afterFinishInternal: function(effect) { with(Element) { 
-    if(effect.options.to!=0) return;
-    hide(effect.element);
-    setStyle(effect.element, {opacity: oldOpacity}); }}
-  }, arguments[1] || {});
+    from: element.getOpacity() || 1.0,
+    to:   0.0,
+    afterFinishInternal: function(effect) {
+      if (effect.options.to!=0) return;
+      effect.element.hide().setStyle({opacity: oldOpacity});
+    }
+  }, arguments[1] || { });
   return new Effect.Opacity(element,options);
-}
+};
 
 Effect.Appear = function(element) {
+  element = $(element);
   var options = Object.extend({
-  from: (Element.getStyle(element, 'display') == 'none' ? 0.0 : Element.getOpacity(element) || 0.0),
+  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
   to:   1.0,
-  beforeSetup: function(effect) { with(Element) {
-    setOpacity(effect.element, effect.options.from);
-    show(effect.element); }}
-  }, arguments[1] || {});
+  // force Safari to render floated elements properly
+  afterFinishInternal: function(effect) {
+    effect.element.forceRerendering();
+  },
+  beforeSetup: function(effect) {
+    effect.element.setOpacity(effect.options.from).show();
+  }}, arguments[1] || { });
   return new Effect.Opacity(element,options);
-}
+};
 
 Effect.Puff = function(element) {
   element = $(element);
-  var oldStyle = { opacity: Element.getInlineOpacity(element), position: Element.getStyle(element, 'position') };
+  var oldStyle = {
+    opacity: element.getInlineOpacity(),
+    position: element.getStyle('position'),
+    top:  element.style.top,
+    left: element.style.left,
+    width: element.style.width,
+    height: element.style.height
+  };
   return new Effect.Parallel(
-   [ new Effect.Scale(element, 200, 
-      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }), 
-     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ], 
-     Object.extend({ duration: 1.0, 
-      beforeSetupInternal: function(effect) { with(Element) {
-        setStyle(effect.effects[0].element, {position: 'absolute'}); }},
-      afterFinishInternal: function(effect) { with(Element) {
-         hide(effect.effects[0].element);
-         setStyle(effect.effects[0].element, oldStyle); }}
-     }, arguments[1] || {})
+   [ new Effect.Scale(element, 200,
+      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
+     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
+     Object.extend({ duration: 1.0,
+      beforeSetupInternal: function(effect) {
+        Position.absolutize(effect.effects[0].element);
+      },
+      afterFinishInternal: function(effect) {
+         effect.effects[0].element.hide().setStyle(oldStyle); }
+     }, arguments[1] || { })
    );
-}
+};
 
 Effect.BlindUp = function(element) {
   element = $(element);
-  Element.makeClipping(element);
-  return new Effect.Scale(element, 0, 
-    Object.extend({ scaleContent: false, 
-      scaleX: false, 
+  element.makeClipping();
+  return new Effect.Scale(element, 0,
+    Object.extend({ scaleContent: false,
+      scaleX: false,
       restoreAfterFinish: true,
-      afterFinishInternal: function(effect) { with(Element) {
-        [hide, undoClipping].call(effect.element); }} 
-    }, arguments[1] || {})
+      afterFinishInternal: function(effect) {
+        effect.element.hide().undoClipping();
+      }
+    }, arguments[1] || { })
   );
-}
+};
 
 Effect.BlindDown = function(element) {
   element = $(element);
-  var oldHeight = Element.getStyle(element, 'height');
-  var elementDimensions = Element.getDimensions(element);
-  return new Effect.Scale(element, 100, 
-    Object.extend({ scaleContent: false, 
-      scaleX: false,
-      scaleFrom: 0,
-      scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
-      restoreAfterFinish: true,
-      afterSetup: function(effect) { with(Element) {
-        makeClipping(effect.element);
-        setStyle(effect.element, {height: '0px'});
-        show(effect.element); 
-      }},  
-      afterFinishInternal: function(effect) { with(Element) {
-        undoClipping(effect.element);
-        setStyle(effect.element, {height: oldHeight});
-      }}
-    }, arguments[1] || {})
-  );
-}
+  var elementDimensions = element.getDimensions();
+  return new Effect.Scale(element, 100, Object.extend({
+    scaleContent: false,
+    scaleX: false,
+    scaleFrom: 0,
+    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
+    restoreAfterFinish: true,
+    afterSetup: function(effect) {
+      effect.element.makeClipping().setStyle({height: '0px'}).show();
+    },
+    afterFinishInternal: function(effect) {
+      effect.element.undoClipping();
+    }
+  }, arguments[1] || { }));
+};
 
 Effect.SwitchOff = function(element) {
   element = $(element);
-  var oldOpacity = Element.getInlineOpacity(element);
-  return new Effect.Appear(element, { 
+  var oldOpacity = element.getInlineOpacity();
+  return new Effect.Appear(element, Object.extend({
     duration: 0.4,
     from: 0,
     transition: Effect.Transitions.flicker,
     afterFinishInternal: function(effect) {
-      new Effect.Scale(effect.element, 1, { 
+      new Effect.Scale(effect.element, 1, {
         duration: 0.3, scaleFromCenter: true,
         scaleX: false, scaleContent: false, restoreAfterFinish: true,
-        beforeSetup: function(effect) { with(Element) {
-          [makePositioned,makeClipping].call(effect.element);
-        }},
-        afterFinishInternal: function(effect) { with(Element) {
-          [hide,undoClipping,undoPositioned].call(effect.element);
-          setStyle(effect.element, {opacity: oldOpacity});
-        }}
-      })
+        beforeSetup: function(effect) {
+          effect.element.makePositioned().makeClipping();
+        },
+        afterFinishInternal: function(effect) {
+          effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
+        }
+      });
     }
-  });
-}
+  }, arguments[1] || { }));
+};
 
 Effect.DropOut = function(element) {
   element = $(element);
   var oldStyle = {
-    top: Element.getStyle(element, 'top'),
-    left: Element.getStyle(element, 'left'),
-    opacity: Element.getInlineOpacity(element) };
+    top: element.getStyle('top'),
+    left: element.getStyle('left'),
+    opacity: element.getInlineOpacity() };
   return new Effect.Parallel(
-    [ new Effect.Move(element, {x: 0, y: 100, sync: true }), 
+    [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
       new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
     Object.extend(
       { duration: 0.5,
-        beforeSetup: function(effect) { with(Element) {
-          makePositioned(effect.effects[0].element); }},
-        afterFinishInternal: function(effect) { with(Element) {
-          [hide, undoPositioned].call(effect.effects[0].element);
-          setStyle(effect.effects[0].element, oldStyle); }} 
-      }, arguments[1] || {}));
-}
+        beforeSetup: function(effect) {
+          effect.effects[0].element.makePositioned();
+        },
+        afterFinishInternal: function(effect) {
+          effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
+        }
+      }, arguments[1] || { }));
+};
 
 Effect.Shake = function(element) {
   element = $(element);
+  var options = Object.extend({
+    distance: 20,
+    duration: 0.5
+  }, arguments[1] || {});
+  var distance = parseFloat(options.distance);
+  var split = parseFloat(options.duration) / 10.0;
   var oldStyle = {
-    top: Element.getStyle(element, 'top'),
-    left: Element.getStyle(element, 'left') };
-	  return new Effect.Move(element, 
-	    { x:  20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
-	  new Effect.Move(effect.element,
-	    { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
-	  new Effect.Move(effect.element,
-	    { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
-	  new Effect.Move(effect.element,
-	    { x: -40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
-	  new Effect.Move(effect.element,
-	    { x:  40, y: 0, duration: 0.1,  afterFinishInternal: function(effect) {
-	  new Effect.Move(effect.element,
-	    { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) { with(Element) {
-        undoPositioned(effect.element);
-        setStyle(effect.element, oldStyle);
-  }}}) }}) }}) }}) }}) }});
-}
+    top: element.getStyle('top'),
+    left: element.getStyle('left') };
+    return new Effect.Move(element,
+      { x:  distance, y: 0, duration: split, afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
+    new Effect.Move(effect.element,
+      { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
+        effect.element.undoPositioned().setStyle(oldStyle);
+  }}); }}); }}); }}); }}); }});
+};
 
 Effect.SlideDown = function(element) {
-  element = $(element);
-  Element.cleanWhitespace(element);
+  element = $(element).cleanWhitespace();
   // SlideDown need to have the content of the element wrapped in a container element with fixed height!
-  var oldInnerBottom = Element.getStyle(element.firstChild, 'bottom');
-  var elementDimensions = Element.getDimensions(element);
-  return new Effect.Scale(element, 100, Object.extend({ 
-    scaleContent: false, 
-    scaleX: false, 
-    scaleFrom: 0,
+  var oldInnerBottom = element.down().getStyle('bottom');
+  var elementDimensions = element.getDimensions();
+  return new Effect.Scale(element, 100, Object.extend({
+    scaleContent: false,
+    scaleX: false,
+    scaleFrom: window.opera ? 0 : 1,
     scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
     restoreAfterFinish: true,
-    afterSetup: function(effect) { with(Element) {
-      makePositioned(effect.element);
-      makePositioned(effect.element.firstChild);
-      if(window.opera) setStyle(effect.element, {top: ''});
-      makeClipping(effect.element);
-      setStyle(effect.element, {height: '0px'});
-      show(element); }},
-    afterUpdateInternal: function(effect) { with(Element) {
-      setStyle(effect.element.firstChild, {bottom:
-        (effect.dims[0] - effect.element.clientHeight) + 'px' }); }},
-    afterFinishInternal: function(effect) { with(Element) {
-      undoClipping(effect.element); 
-      undoPositioned(effect.element.firstChild);
-      undoPositioned(effect.element);
-      setStyle(effect.element.firstChild, {bottom: oldInnerBottom}); }}
-    }, arguments[1] || {})
+    afterSetup: function(effect) {
+      effect.element.makePositioned();
+      effect.element.down().makePositioned();
+      if (window.opera) effect.element.setStyle({top: ''});
+      effect.element.makeClipping().setStyle({height: '0px'}).show();
+    },
+    afterUpdateInternal: function(effect) {
+      effect.element.down().setStyle({bottom:
+        (effect.dims[0] - effect.element.clientHeight) + 'px' });
+    },
+    afterFinishInternal: function(effect) {
+      effect.element.undoClipping().undoPositioned();
+      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
+    }, arguments[1] || { })
   );
-}
-  
+};
+
 Effect.SlideUp = function(element) {
-  element = $(element);
-  Element.cleanWhitespace(element);
-  var oldInnerBottom = Element.getStyle(element.firstChild, 'bottom');
-  return new Effect.Scale(element, 0, 
-   Object.extend({ scaleContent: false, 
-    scaleX: false, 
+  element = $(element).cleanWhitespace();
+  var oldInnerBottom = element.down().getStyle('bottom');
+  var elementDimensions = element.getDimensions();
+  return new Effect.Scale(element, window.opera ? 0 : 1,
+   Object.extend({ scaleContent: false,
+    scaleX: false,
     scaleMode: 'box',
     scaleFrom: 100,
+    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
     restoreAfterFinish: true,
-    beforeStartInternal: function(effect) { with(Element) {
-      makePositioned(effect.element);
-      makePositioned(effect.element.firstChild);
-      if(window.opera) setStyle(effect.element, {top: ''});
-      makeClipping(effect.element);
-      show(element); }},  
-    afterUpdateInternal: function(effect) { with(Element) {
-      setStyle(effect.element.firstChild, {bottom:
-        (effect.dims[0] - effect.element.clientHeight) + 'px' }); }},
-    afterFinishInternal: function(effect) { with(Element) {
-        [hide, undoClipping].call(effect.element); 
-        undoPositioned(effect.element.firstChild);
-        undoPositioned(effect.element);
-        setStyle(effect.element.firstChild, {bottom: oldInnerBottom}); }}
-   }, arguments[1] || {})
+    afterSetup: function(effect) {
+      effect.element.makePositioned();
+      effect.element.down().makePositioned();
+      if (window.opera) effect.element.setStyle({top: ''});
+      effect.element.makeClipping().show();
+    },
+    afterUpdateInternal: function(effect) {
+      effect.element.down().setStyle({bottom:
+        (effect.dims[0] - effect.element.clientHeight) + 'px' });
+    },
+    afterFinishInternal: function(effect) {
+      effect.element.hide().undoClipping().undoPositioned();
+      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
+    }
+   }, arguments[1] || { })
   );
-}
+};
 
-// Bug in opera makes the TD containing this element expand for a instance after finish 
+// Bug in opera makes the TD containing this element expand for a instance after finish
 Effect.Squish = function(element) {
-  return new Effect.Scale(element, window.opera ? 1 : 0, 
-    { restoreAfterFinish: true,
-      beforeSetup: function(effect) { with(Element) {
-        makeClipping(effect.element); }},  
-      afterFinishInternal: function(effect) { with(Element) {
-        hide(effect.element); 
-        undoClipping(effect.element); }}
+  return new Effect.Scale(element, window.opera ? 1 : 0, {
+    restoreAfterFinish: true,
+    beforeSetup: function(effect) {
+      effect.element.makeClipping();
+    },
+    afterFinishInternal: function(effect) {
+      effect.element.hide().undoClipping();
+    }
   });
-}
+};
 
 Effect.Grow = function(element) {
   element = $(element);
   var options = Object.extend({
     direction: 'center',
-    moveTransistion: Effect.Transitions.sinoidal,
+    moveTransition: Effect.Transitions.sinoidal,
     scaleTransition: Effect.Transitions.sinoidal,
     opacityTransition: Effect.Transitions.full
-  }, arguments[1] || {});
+  }, arguments[1] || { });
   var oldStyle = {
     top: element.style.top,
     left: element.style.left,
     height: element.style.height,
     width: element.style.width,
-    opacity: Element.getInlineOpacity(element) };
+    opacity: element.getInlineOpacity() };
 
-  var dims = Element.getDimensions(element);    
+  var dims = element.getDimensions();
   var initialMoveX, initialMoveY;
   var moveX, moveY;
-  
+
   switch (options.direction) {
     case 'top-left':
-      initialMoveX = initialMoveY = moveX = moveY = 0; 
+      initialMoveX = initialMoveY = moveX = moveY = 0;
       break;
     case 'top-right':
       initialMoveX = dims.width;
@@ -783,54 +794,52 @@ Effect.Grow = function(element) {
       moveY = -dims.height / 2;
       break;
   }
-  
+
   return new Effect.Move(element, {
     x: initialMoveX,
     y: initialMoveY,
-    duration: 0.01, 
-    beforeSetup: function(effect) { with(Element) {
-      hide(effect.element);
-      makeClipping(effect.element);
-      makePositioned(effect.element);
-    }},
+    duration: 0.01,
+    beforeSetup: function(effect) {
+      effect.element.hide().makeClipping().makePositioned();
+    },
     afterFinishInternal: function(effect) {
       new Effect.Parallel(
         [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
           new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
           new Effect.Scale(effect.element, 100, {
-            scaleMode: { originalHeight: dims.height, originalWidth: dims.width }, 
+            scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
             sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
         ], Object.extend({
-             beforeSetup: function(effect) { with(Element) {
-               setStyle(effect.effects[0].element, {height: '0px'});
-               show(effect.effects[0].element); }},
-             afterFinishInternal: function(effect) { with(Element) {
-               [undoClipping, undoPositioned].call(effect.effects[0].element); 
-               setStyle(effect.effects[0].element, oldStyle); }}
+             beforeSetup: function(effect) {
+               effect.effects[0].element.setStyle({height: '0px'}).show();
+             },
+             afterFinishInternal: function(effect) {
+               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
+             }
            }, options)
-      )
+      );
     }
   });
-}
+};
 
 Effect.Shrink = function(element) {
   element = $(element);
   var options = Object.extend({
     direction: 'center',
-    moveTransistion: Effect.Transitions.sinoidal,
+    moveTransition: Effect.Transitions.sinoidal,
     scaleTransition: Effect.Transitions.sinoidal,
     opacityTransition: Effect.Transitions.none
-  }, arguments[1] || {});
+  }, arguments[1] || { });
   var oldStyle = {
     top: element.style.top,
     left: element.style.left,
     height: element.style.height,
     width: element.style.width,
-    opacity: Element.getInlineOpacity(element) };
+    opacity: element.getInlineOpacity() };
 
-  var dims = Element.getDimensions(element);
+  var dims = element.getDimensions();
   var moveX, moveY;
-  
+
   switch (options.direction) {
     case 'top-left':
       moveX = moveY = 0;
@@ -847,38 +856,40 @@ Effect.Shrink = function(element) {
       moveX = dims.width;
       moveY = dims.height;
       break;
-    case 'center':  
+    case 'center':
       moveX = dims.width / 2;
       moveY = dims.height / 2;
       break;
   }
-  
+
   return new Effect.Parallel(
     [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
       new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
       new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
-    ], Object.extend({            
-         beforeStartInternal: function(effect) { with(Element) {
-           [makePositioned, makeClipping].call(effect.effects[0].element) }},
-         afterFinishInternal: function(effect) { with(Element) {
-           [hide, undoClipping, undoPositioned].call(effect.effects[0].element);
-           setStyle(effect.effects[0].element, oldStyle); }}
+    ], Object.extend({
+         beforeStartInternal: function(effect) {
+           effect.effects[0].element.makePositioned().makeClipping();
+         },
+         afterFinishInternal: function(effect) {
+           effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
        }, options)
   );
-}
+};
 
 Effect.Pulsate = function(element) {
   element = $(element);
-  var options    = arguments[1] || {};
-  var oldOpacity = Element.getInlineOpacity(element);
-  var transition = options.transition || Effect.Transitions.sinoidal;
-  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos)) };
-  reverser.bind(transition);
-  return new Effect.Opacity(element, 
-    Object.extend(Object.extend({  duration: 3.0, from: 0,
-      afterFinishInternal: function(effect) { Element.setStyle(effect.element, {opacity: oldOpacity}); }
+  var options    = arguments[1] || { },
+    oldOpacity = element.getInlineOpacity(),
+    transition = options.transition || Effect.Transitions.linear,
+    reverser   = function(pos){
+      return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
+    };
+
+  return new Effect.Opacity(element,
+    Object.extend(Object.extend({  duration: 2.0, from: 0,
+      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
     }, options), {transition: reverser}));
-}
+};
 
 Effect.Fold = function(element) {
   element = $(element);
@@ -887,17 +898,226 @@ Effect.Fold = function(element) {
     left: element.style.left,
     width: element.style.width,
     height: element.style.height };
-  Element.makeClipping(element);
-  return new Effect.Scale(element, 5, Object.extend({   
+  element.makeClipping();
+  return new Effect.Scale(element, 5, Object.extend({
     scaleContent: false,
     scaleX: false,
     afterFinishInternal: function(effect) {
-    new Effect.Scale(element, 1, { 
-      scaleContent: false, 
+    new Effect.Scale(element, 1, {
+      scaleContent: false,
       scaleY: false,
-      afterFinishInternal: function(effect) { with(Element) {
-        [hide, undoClipping].call(effect.element); 
-        setStyle(effect.element, oldStyle);
-      }} });
-  }}, arguments[1] || {}));
+      afterFinishInternal: function(effect) {
+        effect.element.hide().undoClipping().setStyle(oldStyle);
+      } });
+  }}, arguments[1] || { }));
+};
+
+Effect.Morph = Class.create(Effect.Base, {
+  initialize: function(element) {
+    this.element = $(element);
+    if (!this.element) throw(Effect._elementDoesNotExistError);
+    var options = Object.extend({
+      style: { }
+    }, arguments[1] || { });
+
+    if (!Object.isString(options.style)) this.style = $H(options.style);
+    else {
+      if (options.style.include(':'))
+        this.style = options.style.parseStyle();
+      else {
+        this.element.addClassName(options.style);
+        this.style = $H(this.element.getStyles());
+        this.element.removeClassName(options.style);
+        var css = this.element.getStyles();
+        this.style = this.style.reject(function(style) {
+          return style.value == css[style.key];
+        });
+        options.afterFinishInternal = function(effect) {
+          effect.element.addClassName(effect.options.style);
+          effect.transforms.each(function(transform) {
+            effect.element.style[transform.style] = '';
+          });
+        };
+      }
+    }
+    this.start(options);
+  },
+
+  setup: function(){
+    function parseColor(color){
+      if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
+      color = color.parseColor();
+      return $R(0,2).map(function(i){
+        return parseInt( color.slice(i*2+1,i*2+3), 16 );
+      });
+    }
+    this.transforms = this.style.map(function(pair){
+      var property = pair[0], value = pair[1], unit = null;
+
+      if (value.parseColor('#zzzzzz') != '#zzzzzz') {
+        value = value.parseColor();
+        unit  = 'color';
+      } else if (property == 'opacity') {
+        value = parseFloat(value);
+        if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
+          this.element.setStyle({zoom: 1});
+      } else if (Element.CSS_LENGTH.test(value)) {
+          var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
+          value = parseFloat(components[1]);
+          unit = (components.length == 3) ? components[2] : null;
+      }
+
+      var originalValue = this.element.getStyle(property);
+      return {
+        style: property.camelize(),
+        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
+        targetValue: unit=='color' ? parseColor(value) : value,
+        unit: unit
+      };
+    }.bind(this)).reject(function(transform){
+      return (
+        (transform.originalValue == transform.targetValue) ||
+        (
+          transform.unit != 'color' &&
+          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
+        )
+      );
+    });
+  },
+  update: function(position) {
+    var style = { }, transform, i = this.transforms.length;
+    while(i--)
+      style[(transform = this.transforms[i]).style] =
+        transform.unit=='color' ? '#'+
+          (Math.round(transform.originalValue[0]+
+            (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
+          (Math.round(transform.originalValue[1]+
+            (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
+          (Math.round(transform.originalValue[2]+
+            (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
+        (transform.originalValue +
+          (transform.targetValue - transform.originalValue) * position).toFixed(3) +
+            (transform.unit === null ? '' : transform.unit);
+    this.element.setStyle(style, true);
+  }
+});
+
+Effect.Transform = Class.create({
+  initialize: function(tracks){
+    this.tracks  = [];
+    this.options = arguments[1] || { };
+    this.addTracks(tracks);
+  },
+  addTracks: function(tracks){
+    tracks.each(function(track){
+      track = $H(track);
+      var data = track.values().first();
+      this.tracks.push($H({
+        ids:     track.keys().first(),
+        effect:  Effect.Morph,
+        options: { style: data }
+      }));
+    }.bind(this));
+    return this;
+  },
+  play: function(){
+    return new Effect.Parallel(
+      this.tracks.map(function(track){
+        var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
+        var elements = [$(ids) || $$(ids)].flatten();
+        return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
+      }).flatten(),
+      this.options
+    );
+  }
+});
+
+Element.CSS_PROPERTIES = $w(
+  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
+  'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
+  'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
+  'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
+  'fontSize fontWeight height left letterSpacing lineHeight ' +
+  'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
+  'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
+  'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
+  'right textIndent top width wordSpacing zIndex');
+
+Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
+
+String.__parseStyleElement = document.createElement('div');
+String.prototype.parseStyle = function(){
+  var style, styleRules = $H();
+  if (Prototype.Browser.WebKit)
+    style = new Element('div',{style:this}).style;
+  else {
+    String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
+    style = String.__parseStyleElement.childNodes[0].style;
+  }
+
+  Element.CSS_PROPERTIES.each(function(property){
+    if (style[property]) styleRules.set(property, style[property]);
+  });
+
+  if (Prototype.Browser.IE && this.include('opacity'))
+    styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
+
+  return styleRules;
+};
+
+if (document.defaultView && document.defaultView.getComputedStyle) {
+  Element.getStyles = function(element) {
+    var css = document.defaultView.getComputedStyle($(element), null);
+    return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
+      styles[property] = css[property];
+      return styles;
+    });
+  };
+} else {
+  Element.getStyles = function(element) {
+    element = $(element);
+    var css = element.currentStyle, styles;
+    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
+      results[property] = css[property];
+      return results;
+    });
+    if (!styles.opacity) styles.opacity = element.getOpacity();
+    return styles;
+  };
 }
+
+Effect.Methods = {
+  morph: function(element, style) {
+    element = $(element);
+    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
+    return element;
+  },
+  visualEffect: function(element, effect, options) {
+    element = $(element);
+    var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
+    new Effect[klass](element, options);
+    return element;
+  },
+  highlight: function(element, options) {
+    element = $(element);
+    new Effect.Highlight(element, options);
+    return element;
+  }
+};
+
+$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
+  'pulsate shake puff squish switchOff dropOut').each(
+  function(effect) {
+    Effect.Methods[effect] = function(element, options){
+      element = $(element);
+      Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
+      return element;
+    };
+  }
+);
+
+$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
+  function(f) { Effect.Methods[f] = Element[f]; }
+);
+
+Element.addMethods(Effect.Methods);
\ No newline at end of file



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