Index: ruby/trunk/public/javascripts/effects.js
===================================================================
--- ruby/trunk/public/javascripts/effects.js	(revision 291)
+++ ruby/trunk/public/javascripts/effects.js	(revision 372)
@@ -4,37 +4,37 @@
 //  Mark Pilgrim (http://diveintomark.org/)
 //  Martin Bialasinki
-// 
+//
 // 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() {  
+// 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));  
+  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)) ? 
+    return (node.nodeType==3 ? node.nodeValue :
+      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
         Element.collectTextNodesIgnoreClass(node, className) : ''));
   }).flatten().join('');
@@ -42,6 +42,6 @@
 
 Element.setContentZoom = function(element, percent) {
-  element = $(element);  
-  element.setStyle({fontSize: (percent/100) + 'em'});   
+  element = $(element);
+  element.setStyle({fontSize: (percent/100) + 'em'});
   if (Prototype.Browser.WebKit) window.scrollBy(0,0);
   return element;
@@ -71,5 +71,5 @@
     linear: Prototype.K,
     sinoidal: function(pos) {
-      return (-Math.cos(pos*Math.PI)/2) + 0.5;
+      return (-Math.cos(pos*Math.PI)/2) + .5;
     },
     reverse: function(pos) {
@@ -77,20 +77,15 @@
     },
     flicker: function(pos) {
-      var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + Math.random()/4;
+      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) + 0.5;
-    },
-    pulse: function(pos, pulses) { 
-      pulses = pulses || 5; 
-      return (
-        ((pos % (1/pulses)) * pulses).round() == 0 ? 
-              ((pos * pulses * 2) - (pos * pulses * 2).floor()) : 
-          1 - ((pos * pulses * 2) - (pos * pulses * 2).floor())
-        );
-    },
-    spring: function(pos) { 
-      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6)); 
+      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) {
@@ -113,5 +108,5 @@
     var tagifyStyle = 'position:relative';
     if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';
-    
+
     element = $(element);
     $A(element.childNodes).each( function(child) {
@@ -120,5 +115,5 @@
           element.insertBefore(
             new Element('span', {style: tagifyStyle}).update(
-              character == ' ' ? String.fromCharCode(160) : character), 
+              character == ' ' ? String.fromCharCode(160) : character),
               child);
         });
@@ -129,11 +124,11 @@
   multiple: function(element, effect) {
     var elements;
-    if (((typeof element == 'object') || 
-        Object.isFunction(element)) && 
+    if (((typeof element == 'object') ||
+        Object.isFunction(element)) &&
        (element.length))
       elements = element;
     else
       elements = $(element).childNodes;
-      
+
     var options = Object.extend({
       speed: 0.1,
@@ -157,5 +152,5 @@
       queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
     }, arguments[2] || { });
-    Effect[element.visible() ? 
+    Effect[element.visible() ?
       Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
   }
@@ -169,5 +164,5 @@
   initialize: function() {
     this.effects  = [];
-    this.interval = null;    
+    this.interval = null;
   },
   _each: function(iterator) {
@@ -176,11 +171,11 @@
   add: function(effect) {
     var timestamp = new Date().getTime();
-    
-    var position = Object.isString(effect.options.queue) ? 
+
+    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;
@@ -196,5 +191,5 @@
         break;
     }
-    
+
     effect.startOn  += timestamp;
     effect.finishOn += timestamp;
@@ -202,5 +197,5 @@
     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);
@@ -215,5 +210,5 @@
   loop: function() {
     var timePos = new Date().getTime();
-    for(var i=0, len=this.effects.length;i<len;i++) 
+    for(var i=0, len=this.effects.length;i<len;i++)
       this.effects[i] && this.effects[i].loop(timePos);
   }
@@ -224,5 +219,5 @@
   get: function(queueName) {
     if (!Object.isString(queueName)) return queueName;
-    
+
     return this.instances.get(queueName) ||
       this.instances.set(queueName, new Effect.ScopedQueue());
@@ -249,21 +244,33 @@
     this.totalTime    = this.finishOn-this.startOn;
     this.totalFrames  = this.options.fps*this.options.duration;
-    
-    eval('this.render = function(pos){ '+
-      'if (this.state=="idle"){this.state="running";'+
-      codeForEvent(this.options,'beforeSetup')+
-      (this.setup ? 'this.setup();':'')+ 
-      codeForEvent(this.options,'afterSetup')+
-      '};if (this.state=="running"){'+
-      'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+
-      'this.position=pos;'+
-      codeForEvent(this.options,'beforeUpdate')+
-      (this.update ? 'this.update(pos);':'')+
-      codeForEvent(this.options,'afterUpdate')+
-      '}}');
-    
+
+    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(Object.isString(this.options.queue) ? 
+      Effect.Queues.get(Object.isString(this.options.queue) ?
         'global' : this.options.queue.scope).add(this);
   },
@@ -274,7 +281,7 @@
         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.totalTime,
@@ -288,5 +295,5 @@
   cancel: function() {
     if (!this.options.sync)
-      Effect.Queues.get(Object.isString(this.options.queue) ? 
+      Effect.Queues.get(Object.isString(this.options.queue) ?
         'global' : this.options.queue.scope).remove(this);
     this.state = 'finished';
@@ -326,8 +333,8 @@
   initialize: function(object, from, to) {
     object = Object.isString(object) ? $(object) : object;
-    var args = $A(arguments), method = args.last(), 
+    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) : 
+      Object.isFunction(object[method]) ? object[method].bind(object) :
       function(value) { object[method] = value };
     this.start(Object.extend({ from: from, to: to }, options || { }));
@@ -393,5 +400,5 @@
 // for backwards compatibility
 Effect.MoveBy = function(element, toTop, toLeft) {
-  return new Effect.Move(element, 
+  return new Effect.Move(element,
     Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
 };
@@ -415,13 +422,13 @@
     this.restoreAfterFinish = this.options.restoreAfterFinish || false;
     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 = this.element.getStyle('font-size') || '100%';
     ['em','px','%','pt'].each( function(fontSizeType) {
@@ -431,7 +438,7 @@
       }
     }.bind(this));
-    
+
     this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;
-    
+
     this.dims = null;
     if (this.options.scaleMode=='box')
@@ -508,7 +515,6 @@
 Effect.ScrollTo = function(element) {
   var options = arguments[1] || { },
-    scrollOffsets = document.viewport.getScrollOffsets(),
-    elementOffsets = $(element).cumulativeOffset(),
-    max = (window.height || document.body.scrollHeight) - document.viewport.getHeight();  
+  scrollOffsets = document.viewport.getScrollOffsets(),
+  elementOffsets = $(element).cumulativeOffset();
 
   if (options.offset) elementOffsets[1] += options.offset;
@@ -516,7 +522,7 @@
   return new Effect.Tween(null,
     scrollOffsets.top,
-    elementOffsets[1] > max ? max : elementOffsets[1],
+    elementOffsets[1],
     options,
-    function(p){ scrollTo(scrollOffsets.left, p.round()) }
+    function(p){ scrollTo(scrollOffsets.left, p.round()); }
   );
 };
@@ -530,7 +536,7 @@
     from: element.getOpacity() || 1.0,
     to:   0.0,
-    afterFinishInternal: function(effect) { 
+    afterFinishInternal: function(effect) {
       if (effect.options.to!=0) return;
-      effect.element.hide().setStyle({opacity: oldOpacity}); 
+      effect.element.hide().setStyle({opacity: oldOpacity});
     }
   }, arguments[1] || { });
@@ -548,5 +554,5 @@
   },
   beforeSetup: function(effect) {
-    effect.element.setOpacity(effect.options.from).show(); 
+    effect.element.setOpacity(effect.options.from).show();
   }}, arguments[1] || { });
   return new Effect.Opacity(element,options);
@@ -555,6 +561,6 @@
 Effect.Puff = function(element) {
   element = $(element);
-  var oldStyle = { 
-    opacity: element.getInlineOpacity(), 
+  var oldStyle = {
+    opacity: element.getInlineOpacity(),
     position: element.getStyle('position'),
     top:  element.style.top,
@@ -564,10 +570,10 @@
   };
   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, 
+   [ 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)
+        Position.absolutize(effect.effects[0].element);
       },
       afterFinishInternal: function(effect) {
@@ -581,10 +587,10 @@
   element.makeClipping();
   return new Effect.Scale(element, 0,
-    Object.extend({ scaleContent: false, 
-      scaleX: false, 
+    Object.extend({ scaleContent: false,
+      scaleX: false,
       restoreAfterFinish: true,
       afterFinishInternal: function(effect) {
         effect.element.hide().undoClipping();
-      } 
+      }
     }, arguments[1] || { })
   );
@@ -594,6 +600,6 @@
   element = $(element);
   var elementDimensions = element.getDimensions();
-  return new Effect.Scale(element, 100, Object.extend({ 
-    scaleContent: false, 
+  return new Effect.Scale(element, 100, Object.extend({
+    scaleContent: false,
     scaleX: false,
     scaleFrom: 0,
@@ -601,6 +607,6 @@
     restoreAfterFinish: true,
     afterSetup: function(effect) {
-      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
-    },  
+      effect.element.makeClipping().setStyle({height: '0px'}).show();
+    },
     afterFinishInternal: function(effect) {
       effect.element.undoClipping();
@@ -617,8 +623,8 @@
     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) { 
+        beforeSetup: function(effect) {
           effect.element.makePositioned().makeClipping();
         },
@@ -626,5 +632,5 @@
           effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
         }
-      })
+      });
     }
   }, arguments[1] || { }));
@@ -638,14 +644,14 @@
     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) {
-          effect.effects[0].element.makePositioned(); 
+          effect.effects[0].element.makePositioned();
         },
         afterFinishInternal: function(effect) {
           effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
-        } 
+        }
       }, arguments[1] || { }));
 };
@@ -675,5 +681,5 @@
       { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
         effect.element.undoPositioned().setStyle(oldStyle);
-  }}) }}) }}) }}) }}) }});
+  }}); }}); }}); }}); }}); }});
 };
 
@@ -683,7 +689,7 @@
   var oldInnerBottom = element.down().getStyle('bottom');
   var elementDimensions = element.getDimensions();
-  return new Effect.Scale(element, 100, Object.extend({ 
-    scaleContent: false, 
-    scaleX: false, 
+  return new Effect.Scale(element, 100, Object.extend({
+    scaleContent: false,
+    scaleX: false,
     scaleFrom: window.opera ? 0 : 1,
     scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
@@ -693,9 +699,9 @@
       effect.element.down().makePositioned();
       if (window.opera) effect.element.setStyle({top: ''});
-      effect.element.makeClipping().setStyle({height: '0px'}).show(); 
+      effect.element.makeClipping().setStyle({height: '0px'}).show();
     },
     afterUpdateInternal: function(effect) {
       effect.element.down().setStyle({bottom:
-        (effect.dims[0] - effect.element.clientHeight) + 'px' }); 
+        (effect.dims[0] - effect.element.clientHeight) + 'px' });
     },
     afterFinishInternal: function(effect) {
@@ -711,6 +717,6 @@
   var elementDimensions = element.getDimensions();
   return new Effect.Scale(element, window.opera ? 0 : 1,
-   Object.extend({ scaleContent: false, 
-    scaleX: false, 
+   Object.extend({ scaleContent: false,
+    scaleX: false,
     scaleMode: 'box',
     scaleFrom: 100,
@@ -722,5 +728,5 @@
       if (window.opera) effect.element.setStyle({top: ''});
       effect.element.makeClipping().show();
-    },  
+    },
     afterUpdateInternal: function(effect) {
       effect.element.down().setStyle({bottom:
@@ -735,13 +741,13 @@
 };
 
-// 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, { 
+  return new Effect.Scale(element, window.opera ? 1 : 0, {
     restoreAfterFinish: true,
     beforeSetup: function(effect) {
-      effect.element.makeClipping(); 
-    },  
+      effect.element.makeClipping();
+    },
     afterFinishInternal: function(effect) {
-      effect.element.hide().undoClipping(); 
+      effect.element.hide().undoClipping();
     }
   });
@@ -763,11 +769,11 @@
     opacity: element.getInlineOpacity() };
 
-  var dims = element.getDimensions();    
+  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':
@@ -794,9 +800,9 @@
       break;
   }
-  
+
   return new Effect.Move(element, {
     x: initialMoveX,
     y: initialMoveY,
-    duration: 0.01, 
+    duration: 0.01,
     beforeSetup: function(effect) {
       effect.element.hide().makeClipping().makePositioned();
@@ -807,15 +813,15 @@
           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) {
-               effect.effects[0].element.setStyle({height: '0px'}).show(); 
+               effect.effects[0].element.setStyle({height: '0px'}).show();
              },
              afterFinishInternal: function(effect) {
-               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); 
+               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
              }
            }, options)
-      )
+      );
     }
   });
@@ -839,5 +845,5 @@
   var dims = element.getDimensions();
   var moveX, moveY;
-  
+
   switch (options.direction) {
     case 'top-left':
@@ -856,17 +862,17 @@
       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({            
+    ], Object.extend({
          beforeStartInternal: function(effect) {
-           effect.effects[0].element.makePositioned().makeClipping(); 
+           effect.effects[0].element.makePositioned().makeClipping();
          },
          afterFinishInternal: function(effect) {
@@ -878,10 +884,12 @@
 Effect.Pulsate = function(element) {
   element = $(element);
-  var options    = arguments[1] || { };
-  var oldOpacity = element.getInlineOpacity();
-  var transition = options.transition || Effect.Transitions.sinoidal;
-  var reverser   = function(pos){ return transition(1-Effect.Transitions.pulse(pos, options.pulses)) };
-  reverser.bind(transition);
-  return new Effect.Opacity(element, 
+  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}); }
@@ -897,10 +905,10 @@
     height: element.style.height };
   element.makeClipping();
-  return new Effect.Scale(element, 5, Object.extend({   
+  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) {
@@ -917,5 +925,5 @@
       style: { }
     }, arguments[1] || { });
-    
+
     if (!Object.isString(options.style)) this.style = $H(options.style);
     else {
@@ -935,10 +943,10 @@
             effect.element.style[transform.style] = '';
           });
-        }
+        };
       }
     }
     this.start(options);
   },
-  
+
   setup: function(){
     function parseColor(color){
@@ -946,5 +954,5 @@
       color = color.parseColor();
       return $R(0,2).map(function(i){
-        return parseInt( color.slice(i*2+1,i*2+3), 16 ) 
+        return parseInt( color.slice(i*2+1,i*2+3), 16 );
       });
     }
@@ -966,7 +974,7 @@
 
       var originalValue = this.element.getStyle(property);
-      return { 
-        style: property.camelize(), 
-        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0), 
+      return {
+        style: property.camelize(),
+        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
         targetValue: unit=='color' ? parseColor(value) : value,
         unit: unit
@@ -979,5 +987,5 @@
           (isNaN(transform.originalValue) || isNaN(transform.targetValue))
         )
-      )
+      );
     });
   },
@@ -985,5 +993,5 @@
     var style = { }, transform, i = this.transforms.length;
     while(i--)
-      style[(transform = this.transforms[i]).style] = 
+      style[(transform = this.transforms[i]).style] =
         transform.unit=='color' ? '#'+
           (Math.round(transform.originalValue[0]+
@@ -994,5 +1002,5 @@
             (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
         (transform.originalValue +
-          (transform.targetValue - transform.originalValue) * position).toFixed(3) + 
+          (transform.targetValue - transform.originalValue) * position).toFixed(3) +
             (transform.unit === null ? '' : transform.unit);
     this.element.setStyle(style, true);
@@ -1031,5 +1039,5 @@
 
 Element.CSS_PROPERTIES = $w(
-  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' + 
+  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
   'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
   'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
@@ -1040,5 +1048,5 @@
   'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
   'right textIndent top width wordSpacing zIndex');
-  
+
 Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
 
@@ -1052,9 +1060,9 @@
     style = String.__parseStyleElement.childNodes[0].style;
   }
-  
+
   Element.CSS_PROPERTIES.each(function(property){
-    if (style[property]) styleRules.set(property, style[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]);
@@ -1075,12 +1083,12 @@
     element = $(element);
     var css = element.currentStyle, styles;
-    styles = Element.CSS_PROPERTIES.inject({ }, function(hash, property) {
-      hash.set(property, css[property]);
-      return hash;
+    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
+      results[property] = css[property];
+      return results;
     });
-    if (!styles.opacity) styles.set('opacity', element.getOpacity());
+    if (!styles.opacity) styles.opacity = element.getOpacity();
     return styles;
   };
-};
+}
 
 Effect.Methods = {
@@ -1091,5 +1099,5 @@
   },
   visualEffect: function(element, effect, options) {
-    element = $(element)
+    element = $(element);
     var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
     new Effect[klass](element, options);
@@ -1105,14 +1113,14 @@
 $w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
   'pulsate shake puff squish switchOff dropOut').each(
-  function(effect) { 
+  function(effect) {
     Effect.Methods[effect] = function(element, options){
       element = $(element);
       Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
       return element;
-    }
+    };
   }
 );
 
-$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each( 
+$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
   function(f) { Effect.Methods[f] = Element[f]; }
 );
