Changeset 2504

Timestamp:

09/17/07 23:30:36 (6 years ago)

Author:

joaopacheco

Message:

Update JavaScripts? for Lightbox2 & Download Box Animation

Location:

website/templates/default/media/js

Files:

• download_effects.js (added)
• download_prototype.js (added)
• effects.js (modified) (4 diffs)
• lightbox.js (added)
• lightbox_prototype.js (added)
• prototype.js (deleted)
• scriptaculous.js (added)

website/templates/default/media/js/effects.js

@@ -1 +1 @@
 // Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
-//
-// Parts (c) 2005 Justin Palmer (http://encytemedia.com/)
-// Parts (c) 2005 Mark Pilgrim (http://diveintomark.org/)
+// Contributors:
+//  Justin Palmer (http://encytemedia.com/)
+//  Mark Pilgrim (http://diveintomark.org/)
+//  Martin Bialasinki
 // 
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject to
-// the following conditions:
-// 
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-
-Effect = {}
-Effect2 = Effect; // deprecated
+// See scriptaculous.js for full license.  
+
+/* ------------- 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) {  
+  return $A($(element).childNodes).collect( function(node) {
+    return (node.nodeType==3 ? node.nodeValue : 
+      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
+  }).flatten().join('');
+}
+
+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) : ''));
+  }).flatten().join('');
+}
+
+Element.setStyle = function(element, style) {
+  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.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){  
+  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) });
+}
+
+/*--------------------------------------------------------------------------*/
+
+var Effect = {
+  tagifyText: function(element) {
+    var tagifyStyle = 'position:relative';
+    if(/MSIE/.test(navigator.userAgent)) tagifyStyle += ';zoom:1';
+    element = $(element);
+    $A(element.childNodes).each( function(child) {
+      if(child.nodeType==3) {
+        child.nodeValue.toArray().each( function(character) {
+          element.insertBefore(
+            Builder.node('span',{style: tagifyStyle},
+              character == ' ' ? String.fromCharCode(160) : character), 
+              child);
+        });
+        Element.remove(child);
+      }
+    });
+  },
+  multiple: function(element, effect) {
+    var elements;
+    if(((typeof element == 'object') || 
+        (typeof element == 'function')) && 
+       (element.length))
+      elements = element;
+    else
+      elements = $(element).childNodes;
+      
+    var options = Object.extend({
+      speed: 0.1,
+      delay: 0.0
+    }, arguments[2] || {});
+    var masterDelay = options.delay;
+
+    $A(elements).each( function(element, index) {
+      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
+    });
+  },
+  PAIRS: {
+    'slide':  ['SlideDown','SlideUp'],
+    'blind':  ['BlindDown','BlindUp'],
+    'appear': ['Appear','Fade']
+  },
+  toggle: function(element, effect) {
+    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);
+  }
+};
+
+var Effect2 = Effect; // deprecated
 
 /* ------------- transitions ------------- */
@@ -41 +161 @@
 }
 Effect.Transitions.flicker = function(pos) {
-  return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random(0.25);
+  return ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
 }
 Effect.Transitions.wobble = function(pos) {
@@ -47 +167 @@
 }
 Effect.Transitions.pulse = function(pos) {
-   return (Math.floor(pos*10) % 2 == 0 ? 
+  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;
+  return 0;
 }
 Effect.Transitions.full = function(pos) {
-    return 1;
+  return 1;
 }
 
 /* ------------- core effects ------------- */
+
+Effect.ScopedQueue = Class.create();
+Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
+  initialize: function() {
+    this.effects  = [];
+    this.interval = null;
+  },
+  _each: function(iterator) {
+    this.effects._each(iterator);
+  },
+  add: function(effect) {
+    var timestamp = new Date().getTime();
+    
+    var position = (typeof effect.options.queue == 'string') ? 
+      effect.options.queue : effect.options.queue.position;
+    
+    switch(position) {
+      case 'front':
+        // 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 '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);
+  },
+  remove: function(effect) {
+    this.effects = this.effects.reject(function(e) { return e==effect });
+    if(this.effects.length == 0) {
+      clearInterval(this.interval);
+      this.interval = null;
+    }
+  },
+  loop: function() {
+    var timePos = new Date().getTime();
+    this.effects.invoke('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];
+  }
+}
+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 = {
-  setOptions: function(options) {
-    this.options = {
-      transition: Effect.Transitions.sinoidal,
-      duration:   1.0,   // seconds
-      fps:        25.0,  // max. 100fps
-      sync:       false, // true for combining
-      from:       0.0,
-      to:         1.0
-    }.extend(options || {});
-  },
+  position: null,
   start: function(options) {
-    this.setOptions(options || {});
-    this.currentFrame    = 0;
-    this.startOn  = new Date().getTime();
-    this.finishOn = this.startOn + (this.options.duration*1000);
-    if(this.options.beforeStart) this.options.beforeStart(this);
-    if(!this.options.sync) this.loop();  
-  },
-  loop: function() {
-    timePos = new Date().getTime();
-    if(timePos >= this.finishOn) {
-      this.render(this.options.to);
-      if(this.finish) this.finish(); 
-      if(this.options.afterFinish) this.options.afterFinish(this);
-      return;  
+    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.event('beforeStart');
+    if(!this.options.sync)
+      Effect.Queues.get(typeof this.options.queue == 'string' ? 
+        'global' : this.options.queue.scope).add(this);
+  },
+  loop: function(timePos) {
+    if(timePos >= this.startOn) {
+      if(timePos >= this.finishOn) {
+        this.render(1.0);
+        this.cancel();
+        this.event('beforeFinish');
+        if(this.finish) this.finish(); 
+        this.event('afterFinish');
+        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) {
+        this.render(pos);
+        this.currentFrame = frame;
+      }
     }
-    pos   = (timePos - this.startOn) / (this.finishOn - this.startOn);
-    frame = Math.round(pos * this.options.fps * this.options.duration);
-    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');
     }
-    this.timeout = setTimeout(this.loop.bind(this), 10);
-  },
-  render: function(pos) {
-    if(this.options.transition) pos = this.options.transition(pos);
-    pos  = pos * (this.options.to-this.options.from);
-    pos += this.options.from; 
-    if(this.options.beforeUpdate) this.options.beforeUpdate(this);
-    if(this.update) this.update(pos);
-    if(this.options.afterUpdate) this.options.afterUpdate(this);  
+    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.timeout) clearTimeout(this.timeout);
+    if(!this.options.sync)
+      Effect.Queues.get(typeof this.options.queue == 'string' ? 
+        '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);
+  },
+  inspect: function() {
+    return '#<Effect:' + $H(this).inspect() + ',options:' + $H(this.options).inspect() + '>';
   }
 }
 
 Effect.Parallel = Class.create();
-  Effect.Parallel.prototype = (new Effect.Base()).extend({
-    initialize: function(effects) {
-      this.effects = effects || [];
-       this.start(arguments[1]);
-    },
-    update: function(position) {
-       for (var i = 0; i < this.effects.length; i++)
-        this.effects[i].render(position);  
-    },
-    finish: function(position) {
-       for (var i = 0; i < this.effects.length; i++)
-          if(this.effects[i].finish) this.effects[i].finish(position);
-    }
-  });
+Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
+  initialize: function(effects) {
+    this.effects = effects || [];
+    this.start(arguments[1]);
+  },
+  update: function(position) {
+    this.effects.invoke('render', position);
+  },
+  finish: function(position) {
+    this.effects.each( function(effect) {
+      effect.render(1.0);
+      effect.cancel();
+      effect.event('beforeFinish');
+      if(effect.finish) effect.finish(position);
+      effect.event('afterFinish');
+    });
+  }
+});
 
 Effect.Opacity = Class.create();
-Effect.Opacity.prototype = (new Effect.Base()).extend({
+Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
   initialize: function(element) {
     this.element = $(element);
-    options = {
-      from: 0.0,
+    // make this work on IE on elements without 'layout'
+    if(/MSIE/.test(navigator.userAgent) && (!this.element.hasLayout))
+      Element.setStyle(this.element, {zoom: 1});
+    var options = Object.extend({
+      from: Element.getOpacity(this.element) || 0.0,
       to:   1.0
-    }.extend(arguments[1] || {});
+    }, arguments[1] || {});
     this.start(options);
   },
   update: function(position) {
-    this.setOpacity(position);
-  }, 
-  setOpacity: function(opacity) {
-    opacity = (opacity == 1) ? 0.99999 : opacity;
-    this.element.style.opacity = opacity;
-    this.element.style.filter = "alpha(opacity:"+opacity*100+")";
+    Element.setOpacity(this.element, position);
   }
 });
 
-Effect.MoveBy = Class.create();
- Effect.MoveBy.prototype = (new Effect.Base()).extend({
-   initialize: function(element, toTop, toLeft) {
-     this.element      = $(element);
-     this.originalTop  = parseFloat(this.element.style.top || '0');
-     this.originalLeft = parseFloat(this.element.style.left || '0');
-     this.toTop        = toTop;
-     this.toLeft       = toLeft;
-     if(this.element.style.position == "")
-       this.element.style.position = "relative";
-     this.start(arguments[3]);
-   },
-   update: function(position) {
-     topd  = this.toTop  * position + this.originalTop;
-     leftd = this.toLeft * position + this.originalLeft;
-     this.setPosition(topd, leftd);
-   },
-   setPosition: function(topd, leftd) {
-     this.element.style.top  = topd  + "px";
-     this.element.style.left = leftd + "px";
-   }
+Effect.Move = Class.create();
+Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
+  initialize: function(element) {
+    this.element = $(element);
+    var options = Object.extend({
+      x:    0,
+      y:    0,
+      mode: 'relative'
+    }, 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.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'
+    });
+  }
 });
 
+// for backwards compatibility
+Effect.MoveBy = function(element, toTop, toLeft) {
+  return new Effect.Move(element, 
+    Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
+};
+
 Effect.Scale = Class.create();
-Effect.Scale.prototype = (new Effect.Base()).extend({
+Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
   initialize: function(element, percent) {
     this.element = $(element)
-    options = {
+    var options = Object.extend({
       scaleX: true,
       scaleY: true,
@@ -178 +402 @@
       scaleFromCenter: false,
       scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
-      scaleFrom: 100.0
-    }.extend(arguments[2] || {});
-    this.originalTop    = this.element.offsetTop;
-    this.originalLeft   = this.element.offsetLeft;
-    if (this.element.style.fontSize=="") this.sizeEm = 1.0;
-    if (this.element.style.fontSize && this.element.style.fontSize.indexOf("em")>0)
-       this.sizeEm      = parseFloat(this.element.style.fontSize);
-    this.factor = (percent/100.0) - (options.scaleFrom/100.0);
-    if(options.scaleMode=='box') {
-      this.originalHeight = this.element.clientHeight;
-      this.originalWidth  = this.element.clientWidth; 
-    } else 
-    if(options.scaleMode=='contents') {
-      this.originalHeight = this.element.scrollHeight;
-      this.originalWidth  = this.element.scrollWidth;
-    } else {
-      this.originalHeight = options.scaleMode.originalHeight;
-      this.originalWidth  = options.scaleMode.originalWidth;
-    }
+      scaleFrom: 100.0,
+      scaleTo:   percent
+    }, arguments[2] || {});
     this.start(options);
   },
-
+  setup: function() {
+    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
+    this.elementPositioning = Element.getStyle(this.element,'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) {
+        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')
+      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
+    if(/^content/.test(this.options.scaleMode))
+      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
+    if(!this.dims)
+      this.dims = [this.options.scaleMode.originalHeight,
+                   this.options.scaleMode.originalWidth];
+  },
   update: function(position) {
-    currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
-    if(this.options.scaleContent && this.sizeEm) 
-      this.element.style.fontSize = this.sizeEm*currentScale + "em";
-    this.setDimensions(
-     this.originalWidth * currentScale, 
-     this.originalHeight * currentScale);
-  },
-
-  setDimensions: function(width, height) {
-    if(this.options.scaleX) this.element.style.width = width + 'px';
-    if(this.options.scaleY) this.element.style.height = height + 'px';
+    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 });
+    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
+  },
+  finish: function(position) {
+    if (this.restoreAfterFinish) Element.setStyle(this.element, 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) {
-      topd  = (height - this.originalHeight)/2;
-      leftd = (width  - this.originalWidth)/2;
-      if(this.element.style.position=='absolute') {
-        if(this.options.scaleY) this.element.style.top = this.originalTop-topd + "px";
-        if(this.options.scaleX) this.element.style.left = this.originalLeft-leftd + "px";
+      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';
       } else {
-        if(this.options.scaleY) this.element.style.top = -topd + "px";
-        if(this.options.scaleX) this.element.style.left = -leftd + "px";
+        if(this.options.scaleY) d.top = -topd + 'px';
+        if(this.options.scaleX) d.left = -leftd + 'px';
       }
     }
+    Element.setStyle(this.element, d);
   }
 });
 
 Effect.Highlight = Class.create();
-Effect.Highlight.prototype = (new Effect.Base()).extend({
+Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
   initialize: function(element) {
     this.element = $(element);
-    
-    // try to parse current background color as default for endcolor
-    // browser stores this as: "rgb(255, 255, 255)", convert to "#ffffff" format
-    var endcolor = "#ffffff";
-    var current = this.element.style.backgroundColor;
-    if(current && current.slice(0,4) == "rgb(") {
-      endcolor = "#";
-      var cols = current.slice(4,current.length-1).split(',');
-      var i=0; do { endcolor += parseInt(cols[i]).toColorPart() } while (++i<3); }
-      
-    var options = {
-      startcolor: "#ffff99",
-      endcolor:   endcolor
-    }.extend(arguments[1] || {});
-    
+    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; }
+    // 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');
     // init color calculations
-    this.colors_base = [
-      parseInt(options.startcolor.slice(1,3),16),
-      parseInt(options.startcolor.slice(3,5),16),
-      parseInt(options.startcolor.slice(5),16) ];
-    this.colors_delta = [
-      parseInt(options.endcolor.slice(1,3),16)-this.colors_base[0],
-      parseInt(options.endcolor.slice(3,5),16)-this.colors_base[1],
-      parseInt(options.endcolor.slice(5),16)-this.colors_base[2] ];
-
-    this.start(options);
+    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) {
-    var colors = [
-      Math.round(this.colors_base[0]+(this.colors_delta[0]*position)),
-      Math.round(this.colors_base[1]+(this.colors_delta[1]*position)),
-      Math.round(this.colors_base[2]+(this.colors_delta[2]*position)) ];
-    this.element.style.backgroundColor = "#" +
-      colors[0].toColorPart() + colors[1].toColorPart() + colors[2].toColorPart();
+    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)) });
+  },
+  finish: function() {
+    Element.setStyle(this.element, Object.extend(this.oldStyle, {
+      backgroundColor: this.options.restorecolor
+    }));
   }
 });
 
-
-/* ------------- prepackaged effects ------------- */
-
-Effect.Fade =  function(element) {
-  options = {
-  from: 1.0,
+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));
+  }
+});
+
+/* ------------- combination effects ------------- */
+
+Effect.Fade = function(element) {
+  var oldOpacity = Element.getInlineOpacity(element);
+  var options = Object.extend({
+  from: Element.getOpacity(element) || 1.0,
   to:   0.0,
-  afterFinish: function(effect) 
-    { Element.hide(effect.element);
-      effect.setOpacity(1); } 
-  }.extend(arguments[1] || {});
-  new Effect.Opacity(element,options);
-}
-
-Effect.Appear =  function(element) {
-  options = {
-  from: 0.0,
+  afterFinishInternal: function(effect) { with(Element) { 
+    if(effect.options.to!=0) return;
+    hide(effect.element);
+    setStyle(effect.element, {opacity: oldOpacity}); }}
+  }, arguments[1] || {});
+  return new Effect.Opacity(element,options);
+}
+
+Effect.Appear = function(element) {
+  var options = Object.extend({
+  from: (Element.getStyle(element, 'display') == 'none' ? 0.0 : Element.getOpacity(element) || 0.0),
   to:   1.0,
-  beforeStart: function(effect)  
-    { effect.setOpacity(0);
-      Element.show(effect.element); },
-  afterUpdate: function(effect)  
-    { Element.show(effect.element); }
-  }.extend(arguments[1] || {});
-  new Effect.Opacity(element,options);
+  beforeSetup: function(effect) { with(Element) {
+    setOpacity(effect.element, effect.options.from);
+    show(effect.element); }}
+  }, arguments[1] || {});
+  return new Effect.Opacity(element,options);
 }
 
 Effect.Puff = function(element) {
-  new Effect.Parallel(
-   [ new Effect.Scale(element, 200, { sync: true, scaleFromCenter: true }), 
-     new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ], 
-     { duration: 1.0, 
-      afterUpdate: function(effect) 
-       { effect.effects[0].element.style.position = 'absolute'; },
-      afterFinish: function(effect)
-       { Element.hide(effect.effects[0].element); }
-     }
+  element = $(element);
+  var oldStyle = { opacity: Element.getInlineOpacity(element), position: Element.getStyle(element, 'position') };
+  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] || {})
    );
 }
 
 Effect.BlindUp = function(element) {
-  $(element).style.overflow = 'hidden';
-  new Effect.Scale(element, 0, 
-    { scaleContent: false, 
+  element = $(element);
+  Element.makeClipping(element);
+  return new Effect.Scale(element, 0, 
+    Object.extend({ scaleContent: false, 
       scaleX: false, 
-      afterFinish: function(effect) 
-        { Element.hide(effect.element) } 
-    }.extend(arguments[1] || {})
+      restoreAfterFinish: true,
+      afterFinishInternal: function(effect) { with(Element) {
+        [hide, undoClipping].call(effect.element); }} 
+    }, arguments[1] || {})
   );
 }
 
 Effect.BlindDown = function(element) {
-  $(element).style.height   = '0px';
-  $(element).style.overflow = 'hidden';
-  Element.show(element);
-  new Effect.Scale(element, 100, 
-    { scaleContent: false, 
-      scaleX: false, 
-      scaleMode: 'contents',
-      scaleFrom: 0
-    }.extend(arguments[1] || {})
+  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] || {})
   );
 }
 
 Effect.SwitchOff = function(element) {
-  new Effect.Appear(element,
-    { duration: 0.4,
-     transition: Effect.Transitions.flicker,
-     afterFinish: function(effect)
-      {  effect.element.style.overflow = 'hidden';
-        new Effect.Scale(effect.element, 1, 
-         { duration: 0.3, scaleFromCenter: true,
-          scaleX: false, scaleContent: false,
-          afterUpdate: function(effect) { 
-           if(effect.element.style.position=="")
-             effect.element.style.position = 'relative'; },
-          afterFinish: function(effect) { Element.hide(effect.element); }
-         } )
-      }
-    } )
+  element = $(element);
+  var oldOpacity = Element.getInlineOpacity(element);
+  return new Effect.Appear(element, { 
+    duration: 0.4,
+    from: 0,
+    transition: Effect.Transitions.flicker,
+    afterFinishInternal: function(effect) {
+      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});
+        }}
+      })
+    }
+  });
 }
 
 Effect.DropOut = function(element) {
-  new Effect.Parallel(
-    [ new Effect.MoveBy(element, 100, 0, { sync: true }), 
-      new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0 } ) ], 
-    { duration: 0.5, 
-     afterFinish: function(effect)
-       { Element.hide(effect.effects[0].element); } 
-    });
+  element = $(element);
+  var oldStyle = {
+    top: Element.getStyle(element, 'top'),
+    left: Element.getStyle(element, 'left'),
+    opacity: Element.getInlineOpacity(element) };
+  return new Effect.Parallel(
+    [ 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] || {}));
 }
 
 Effect.Shake = function(element) {
-  new Effect.MoveBy(element, 0, 20, 
-    { duration: 0.05, afterFinish: function(effect) {
-  new Effect.MoveBy(effect.element, 0, -40, 
-    { duration: 0.1, afterFinish: function(effect) { 
-  new Effect.MoveBy(effect.element, 0, 40, 
-    { duration: 0.1, afterFinish: function(effect) {  
-  new Effect.MoveBy(effect.element, 0, -40, 
-    { duration: 0.1, afterFinish: function(effect) {  
-  new Effect.MoveBy(effect.element, 0, 40, 
-    { duration: 0.1, afterFinish: function(effect) {  
-  new Effect.MoveBy(effect.element, 0, -20, 
-    { duration: 0.05, afterFinish: function(effect) {  
-  }}) }}) }}) }}) }}) }});
+  element = $(element);
+  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);
+  }}}) }}) }}) }}) }}) }});
 }
 
 Effect.SlideDown = function(element) {
-  $(element).style.height   = '0px';
-  $(element).style.overflow = 'hidden';
-  $(element).firstChild.style.position = 'relative';
-  Element.show(element);
-  new Effect.Scale(element, 100, 
-   { scaleContent: false, 
+  element = $(element);
+  Element.cleanWhitespace(element);
+  // 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, 
-    scaleMode: 'contents',
     scaleFrom: 0,
-    afterUpdate: function(effect) 
-      { effect.element.firstChild.style.bottom = 
-          (effect.originalHeight - effect.element.clientHeight) + 'px'; }
-    }.extend(arguments[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] || {})
   );
 }
   
 Effect.SlideUp = function(element) {
-  $(element).style.overflow = 'hidden';
-  $(element).firstChild.style.position = 'relative';
-  Element.show(element);
-  new Effect.Scale(element, 0, 
-   { scaleContent: false, 
+  element = $(element);
+  Element.cleanWhitespace(element);
+  var oldInnerBottom = Element.getStyle(element.firstChild, 'bottom');
+  return new Effect.Scale(element, 0, 
+   Object.extend({ scaleContent: false, 
     scaleX: false, 
-    afterUpdate: function(effect) 
-      { effect.element.firstChild.style.bottom = 
-          (effect.originalHeight - effect.element.clientHeight) + 'px'; },
-    afterFinish: function(effect)
-      { Element.hide(effect.element); }
-   }.extend(arguments[1] || {})
+    scaleMode: 'box',
+    scaleFrom: 100,
+    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] || {})
   );
 }
 
+// Bug in opera makes the TD containing this element expand for a instance after finish 
 Effect.Squish = function(element) {
- new Effect.Scale(element, 0, 
-   { afterFinish: function(effect) { Element.hide(effect.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); }}
+  });
 }
 
 Effect.Grow = function(element) {
   element = $(element);
-  var options = arguments[1] || {};
-  
-  var originalWidth = element.clientWidth;
-  var originalHeight = element.clientHeight;
-  element.style.overflow = 'hidden';
-  Element.show(element);
-  
-  var direction = options.direction || 'center';
-  var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
-  var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
-  var opacityTransition = options.opacityTransition || Effect.Transitions.full;
-  
+  var options = Object.extend({
+    direction: 'center',
+    moveTransistion: Effect.Transitions.sinoidal,
+    scaleTransition: Effect.Transitions.sinoidal,
+    opacityTransition: Effect.Transitions.full
+  }, arguments[1] || {});
+  var oldStyle = {
+    top: element.style.top,
+    left: element.style.left,
+    height: element.style.height,
+    width: element.style.width,
+    opacity: Element.getInlineOpacity(element) };
+
+  var dims = Element.getDimensions(element);    
   var initialMoveX, initialMoveY;
   var moveX, moveY;
   
-  switch (direction) {
+  switch (options.direction) {
     case 'top-left':
       initialMoveX = initialMoveY = moveX = moveY = 0; 
       break;
     case 'top-right':
-      initialMoveX = originalWidth;
+      initialMoveX = dims.width;
       initialMoveY = moveY = 0;
-      moveX = -originalWidth;
+      moveX = -dims.width;
       break;
     case 'bottom-left':
       initialMoveX = moveX = 0;
-      initialMoveY = originalHeight;
-      moveY = -originalHeight;
+      initialMoveY = dims.height;
+      moveY = -dims.height;
       break;
     case 'bottom-right':
-      initialMoveX = originalWidth;
-      initialMoveY = originalHeight;
-      moveX = -originalWidth;
-      moveY = -originalHeight;
+      initialMoveX = dims.width;
+      initialMoveY = dims.height;
+      moveX = -dims.width;
+      moveY = -dims.height;
       break;
     case 'center':
-      initialMoveX = originalWidth / 2;
-      initialMoveY = originalHeight / 2;
-      moveX = -originalWidth / 2;
-      moveY = -originalHeight / 2;
+      initialMoveX = dims.width / 2;
+      initialMoveY = dims.height / 2;
+      moveX = -dims.width / 2;
+      moveY = -dims.height / 2;
       break;
   }
   
-  new Effect.MoveBy(element, initialMoveY, initialMoveX, { 
+  return new Effect.Move(element, {
+    x: initialMoveX,
+    y: initialMoveY,
     duration: 0.01, 
-    beforeUpdate: function(effect) { $(element).style.height = '0px'; },
-    afterFinish: function(effect) {
+    beforeSetup: function(effect) { with(Element) {
+      hide(effect.element);
+      makeClipping(effect.element);
+      makePositioned(effect.element);
+    }},
+    afterFinishInternal: function(effect) {
       new Effect.Parallel(
-        [ new Effect.Opacity(element, { sync: true, to: 1.0, from: 0.0, transition: opacityTransition }),
-          new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: moveTransition }),
-          new Effect.Scale(element, 100, { 
-            scaleMode: { originalHeight: originalHeight, originalWidth: originalWidth }, 
-            sync: true, scaleFrom: 0, scaleTo: 100, transition: scaleTransition })],
-        options); }
-    });
+        [ 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 }, 
+            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); }}
+           }, options)
+      )
+    }
+  });
 }
 
 Effect.Shrink = function(element) {
   element = $(element);
-  var options = arguments[1] || {};
-  
-  var originalWidth = element.clientWidth;
-  var originalHeight = element.clientHeight;
-  element.style.overflow = 'hidden';
-  Element.show(element);
-
-  var direction = options.direction || 'center';
-  var moveTransition = options.moveTransition || Effect.Transitions.sinoidal;
-  var scaleTransition = options.scaleTransition || Effect.Transitions.sinoidal;
-  var opacityTransition = options.opacityTransition || Effect.Transitions.none;
-  
+  var options = Object.extend({
+    direction: 'center',
+    moveTransistion: Effect.Transitions.sinoidal,
+    scaleTransition: Effect.Transitions.sinoidal,
+    opacityTransition: Effect.Transitions.none
+  }, arguments[1] || {});
+  var oldStyle = {
+    top: element.style.top,
+    left: element.style.left,
+    height: element.style.height,
+    width: element.style.width,
+    opacity: Element.getInlineOpacity(element) };
+
+  var dims = Element.getDimensions(element);
   var moveX, moveY;
   
-  switch (direction) {
+  switch (options.direction) {
     case 'top-left':
       moveX = moveY = 0;
       break;
     case 'top-right':
-      moveX = originalWidth;
+      moveX = dims.width;
       moveY = 0;
       break;
     case 'bottom-left':
       moveX = 0;
-      moveY = originalHeight;
+      moveY = dims.height;
       break;
     case 'bottom-right':
-      moveX = originalWidth;
-      moveY = originalHeight;
+      moveX = dims.width;
+      moveY = dims.height;
       break;
     case 'center':  
-      moveX = originalWidth / 2;
-      moveY = originalHeight / 2;
+      moveX = dims.width / 2;
+      moveY = dims.height / 2;
       break;
   }
   
-  new Effect.Parallel(
-    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: opacityTransition }),
-      new Effect.Scale(element, 0, { sync: true, transition: moveTransition }),
-      new Effect.MoveBy(element, moveY, moveX, { sync: true, transition: scaleTransition }) ],
-    options);
+  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); }}
+       }, 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);
-  new Effect.Opacity(element, 
-    {  duration: 3.0,
-       afterFinish: function(effect) { Element.show(effect.element); }
-    }.extend(options).extend({transition: reverser}));
+  return new Effect.Opacity(element, 
+    Object.extend(Object.extend({  duration: 3.0, from: 0,
+      afterFinishInternal: function(effect) { Element.setStyle(effect.element, {opacity: oldOpacity}); }
+    }, options), {transition: reverser}));
 }
 
 Effect.Fold = function(element) {
- $(element).style.overflow = 'hidden';
- new Effect.Scale(element, 5, {   
-   scaleContent: false,
-   scaleTo: 100,
-   scaleX: false,
-   afterFinish: function(effect) {
-   new Effect.Scale(element, 1, { 
-     scaleContent: false, 
-     scaleTo: 0,
-     scaleY: false,
-     afterFinish: function(effect) { Element.hide(effect.element) } });
- }}.extend(arguments[1] || {}));
-}
-
-// old: new Effect.ContentZoom(element, percent)
-// new: Element.setContentZoom(element, percent) 
-
-Element.setContentZoom = function(element, percent) {
-  var element = $(element);
-  element.style.fontSize = (percent/100) + "em";  
-  if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0);
-}
+  element = $(element);
+  var oldStyle = {
+    top: element.style.top,
+    left: element.style.left,
+    width: element.style.width,
+    height: element.style.height };
+  Element.makeClipping(element);
+  return new Effect.Scale(element, 5, Object.extend({   
+    scaleContent: false,
+    scaleX: false,
+    afterFinishInternal: function(effect) {
+    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] || {}));
+}