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 // script.aculo.us effects.js v1.7.1_beta2, Tue May 15 15:15:45 EDT 2007

 // Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)

 // Contributors:

 //  Justin Palmer (http://encytemedia.com/)

 //  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() {  

   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.collectTextNodesIgnoreClass(node, className) : ''));

   }).flatten().join('');

 }

 Element.setContentZoom = function(element, percent) {

   element = $(element);  

   element.setStyle({fontSize: (percent/100) + 'em'});   

   if(Prototype.Browser.WebKit) window.scrollBy(0,0);

   return element;

 }

 Element.getInlineOpacity = function(element){

   return $(element).style.opacity || '';

 }

 Element.forceRerendering = function(element) {

   try {

     element = $(element);

     var n = document.createTextNode(' ');

     element.appendChild(n);

     element.removeChild(n);

   } catch(e) { }

 };

 /*--------------------------------------------------------------------------*/

 Array.prototype.call = function() {

   var args = arguments;

   this.each(function(f){ f.apply(this, args) });

 }

 /*--------------------------------------------------------------------------*/

 var Effect = {

   _elementDoesNotExistError: {

     name: 'ElementDoesNotExistError',

     message: 'The specified DOM element does not exist, but is required for this effect to operate'

   },

   tagifyText: function(element) {

     if(typeof Builder == 'undefined')

       throw("Effect.tagifyText requires including script.aculo.us' builder.js library");

     var tagifyStyle = 'position:relative';

     if(Prototype.Browser.IE) 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'), limit: 1 }

     }, arguments[2] || {});

     Effect[element.visible() ? 

       Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);

   }

 };

 var Effect2 = Effect; // deprecated

 /* ------------- transitions ------------- */

 Effect.Transitions = {

   linear: Prototype.K,

   sinoidal: function(pos) {

     return (-Math.cos(pos*Math.PI)/2) + 0.5;

   },

   reverse: function(pos) {

     return 1-pos;

   },

   flicker: function(pos) {

     var pos = ((-Math.cos(pos*Math.PI)/4) + 0.75) + 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 (

       Math.round((pos % (1/pulses)) * pulses) == 0 ? 

             ((pos * pulses * 2) - Math.floor(pos * pulses * 2)) : 

         1 - ((pos * pulses * 2) - Math.floor(pos * pulses * 2))

       );

   },

   none: function(pos) {

     return 0;

   },

   full: function(pos) {

     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 '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;

     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) {

       clearInterval(this.interval);

       this.interval = null;

     }

   },

   loop: function() {

     var timePos = new Date().getTime();

     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];

   }

 }

 Effect.Queue = Effect.Queues.get('global');

 Effect.DefaultOptions = {

   transition: Effect.Transitions.sinoidal,

   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'

 }

 Effect.Base = function() {};

 Effect.Base.prototype = {

   position: null,

   start: function(options) {

     function codeForEvent(options,eventName){

       return (

         (options[eventName+'Internal'] ? 'this.options.'+eventName+'Internal(this);' : '') +

         (options[eventName] ? 'this.options.'+eventName+'(this);' : '')

       );

     }

     if(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.fromToDelta  = this.options.to-this.options.from;

     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(options,'beforeSetup')+

       (this.setup ? 'this.setup();':'')+ 

       codeForEvent(options,'afterSetup')+

       '};if(this.state=="running"){'+

       'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+

       'this.position=pos;'+

       codeForEvent(options,'beforeUpdate')+

       (this.update ? 'this.update(pos);':'')+

       codeForEvent(options,'afterUpdate')+

       '}}');

     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.totalTime,

           frame = Math.round(pos * this.totalFrames);

       if(frame > this.currentFrame) {

         this.render(pos);

         this.currentFrame = frame;

       }

     }

   },

   cancel: function() {

     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() {

     var data = $H();

     for(property in this)

       if(typeof this[property] != 'function') data[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), {

   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.Event = Class.create();

 Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), {

   initialize: function() {

     var options = Object.extend({

       duration: 0

     }, arguments[0] || {});

     this.start(options);

   },

   update: Prototype.emptyFunction

 });

 Effect.Opacity = Class.create();

 Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {

   initialize: function(element) {

     this.element = $(element);

     if(!this.element) throw(Effect._elementDoesNotExistError);

     // make this work on IE on elements without 'layout'

     if(Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))

       this.element.setStyle({zoom: 1});

     var options = Object.extend({

       from: this.element.getOpacity() || 0.0,

       to:   1.0

     }, arguments[1] || {});

     this.start(options);

   },

   update: function(position) {

     this.element.setOpacity(position);

   }

 });

 Effect.Move = Class.create();

 Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {

   initialize: function(element) {

     this.element = $(element);

     if(!this.element) throw(Effect._elementDoesNotExistError);

     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) 

     this.element.makePositioned();

     this.originalLeft = parseFloat(this.element.getStyle('left') || '0');

     this.originalTop  = parseFloat(this.element.getStyle('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) {

     this.element.setStyle({

       left: Math.round(this.options.x  * position + this.originalLeft) + 'px',

       top:  Math.round(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();

 Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {

   initialize: function(element, percent) {

     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

       scaleFrom: 100.0,

       scaleTo:   percent

     }, arguments[2] || {});

     this.start(options);

   },

   setup: function() {

     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) {

       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) {

     var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);

     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) this.element.setStyle(this.originalStyle);

   },

   setDimensions: function(height, width) {

     var d = {};

     if(this.options.scaleX) d.width = Math.round(width) + 'px';

     if(this.options.scaleY) d.height = Math.round(height) + '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';

       } else {

         if(this.options.scaleY) d.top = -topd + 'px';

         if(this.options.scaleX) d.left = -leftd + 'px';

       }

     }

     this.element.setStyle(d);

   }

 });

 Effect.Highlight = Class.create();

 Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {

   initialize: function(element) {

     this.element = $(element);

     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(this.element.getStyle('display')=='none') { this.cancel(); return; }

     // Disable background image during the effect

     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) {

     this.element.setStyle({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() {

     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));

   }

 });

 /* ------------- combination effects ------------- */

 Effect.Fade = function(element) {

   element = $(element);

   var oldOpacity = element.getInlineOpacity();

   var options = Object.extend({

   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('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),

   to:   1.0,

   // 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(), 

     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) {

         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();

   return new Effect.Scale(element, 0,

     Object.extend({ scaleContent: false, 

       scaleX: false, 

       restoreAfterFinish: true,

       afterFinishInternal: function(effect) {

         effect.element.hide().undoClipping();

       } 

     }, arguments[1] || {})

   );

 }

 Effect.BlindDown = function(element) {

   element = $(element);

   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();

   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, { 

         duration: 0.3, scaleFromCenter: true,

         scaleX: false, scaleContent: false, restoreAfterFinish: true,

         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('top'),

     left: element.getStyle('left'),

     opacity: element.getInlineOpacity() };

   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) {

           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 oldStyle = {

     top: element.getStyle('top'),

     left: element.getStyle('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) {

         effect.element.undoPositioned().setStyle(oldStyle);

   }}) }}) }}) }}) }}) }});

 }

 Effect.SlideDown = function(element) {

   element = $(element).cleanWhitespace();

   // SlideDown need to have the content of the element wrapped in a container element with fixed height!

   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) {

       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).cleanWhitespace();

   var oldInnerBottom = element.down().getStyle('bottom');

   return new Effect.Scale(element, window.opera ? 0 : 1,

    Object.extend({ scaleContent: false, 

     scaleX: false, 

     scaleMode: 'box',

     scaleFrom: 100,

     restoreAfterFinish: true,

     beforeStartInternal: 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().setStyle({bottom: oldInnerBottom});

       effect.element.down().undoPositioned();

     }

    }, arguments[1] || {})

   );

 }

 // 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) {

       effect.element.makeClipping(); 

     },  

     afterFinishInternal: function(effect) {

       effect.element.hide().undoClipping(); 

     }

   });

 }

 Effect.Grow = function(element) {

   element = $(element);

   var options = Object.extend({

     direction: 'center',

     moveTransition: 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() };

   var dims = element.getDimensions();    

   var initialMoveX, initialMoveY;

   var moveX, moveY;

   switch (options.direction) {

     case 'top-left':

       initialMoveX = initialMoveY = moveX = moveY = 0; 

       break;

     case 'top-right':

       initialMoveX = dims.width;

       initialMoveY = moveY = 0;

       moveX = -dims.width;

       break;

     case 'bottom-left':

       initialMoveX = moveX = 0;

       initialMoveY = dims.height;

       moveY = -dims.height;

       break;

     case 'bottom-right':

       initialMoveX = dims.width;

       initialMoveY = dims.height;

       moveX = -dims.width;

       moveY = -dims.height;

       break;

     case 'center':

       initialMoveX = dims.width / 2;

       initialMoveY = dims.height / 2;

       moveX = -dims.width / 2;

       moveY = -dims.height / 2;

       break;

   }

   return new Effect.Move(element, {

     x: initialMoveX,

     y: initialMoveY,

     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 }, 

             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(); 

              },

              afterFinishInternal: function(effect) {

                effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle); 

              }

            }, options)

       )

     }

   });

 }

 Effect.Shrink = function(element) {

   element = $(element);

   var options = Object.extend({

     direction: 'center',

     moveTransition: 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() };

   var dims = element.getDimensions();

   var moveX, moveY;

   switch (options.direction) {

     case 'top-left':

       moveX = moveY = 0;

       break;

     case 'top-right':

       moveX = dims.width;

       moveY = 0;

       break;

     case 'bottom-left':

       moveX = 0;

       moveY = dims.height;

       break;

     case 'bottom-right':

       moveX = dims.width;

       moveY = dims.height;

       break;

     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) {

            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();

   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, 

     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);

   var oldStyle = {

     top: element.style.top,

     left: element.style.left,

     width: element.style.width,

     height: element.style.height };

   element.makeClipping();

   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) {

         effect.element.hide().undoClipping().setStyle(oldStyle);

       } });

   }}, arguments[1] || {}));

 };

 Effect.Morph = Class.create();

 Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), {

   initialize: function(element) {

     this.element = $(element);

     if(!this.element) throw(Effect._elementDoesNotExistError);

     var options = Object.extend({

       style: {}

     }, arguments[1] || {});

     if (typeof options.style == 'string') {

       if(options.style.indexOf(':') == -1) {

         var cssText = '', selector = '.' + options.style;

         $A(document.styleSheets).reverse().each(function(styleSheet) {

           if (styleSheet.cssRules) cssRules = styleSheet.cssRules;

           else if (styleSheet.rules) cssRules = styleSheet.rules;

           $A(cssRules).reverse().each(function(rule) {

             if (selector == rule.selectorText) {

               cssText = rule.style.cssText;

               throw $break;

             }

           });

           if (cssText) throw $break;

         });

         this.style = cssText.parseStyle();

         options.afterFinishInternal = function(effect){

           effect.element.addClassName(effect.options.style);

           effect.transforms.each(function(transform) {

             if(transform.style != 'opacity')

               effect.element.style[transform.style] = '';

           });

         }

       } else this.style = options.style.parseStyle();

     } else this.style = $H(options.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 + Math.round(

           ((transform.targetValue - transform.originalValue) * position) * 1000)/1000 + transform.unit;

     this.element.setStyle(style, true);

   }

 });

 Effect.Transform = Class.create();

 Object.extend(Effect.Transform.prototype, {

   initialize: function(tracks){

     this.tracks  = [];

     this.options = arguments[1] || {};

     this.addTracks(tracks);

   },

   addTracks: function(tracks){

     tracks.each(function(track){

       var data = $H(track).values().first();

       this.tracks.push($H({

         ids:     $H(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 elements = [$(track.ids) || $$(track.ids)].flatten();

         return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.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.prototype.parseStyle = function(){

   var element = document.createElement('div');

   element.innerHTML = '<div style="' + this + '"></div>';

   var style = element.childNodes[0].style, styleRules = $H();

   Element.CSS_PROPERTIES.each(function(property){

     if(style[property]) styleRules[property] = style[property]; 

   });

   if(Prototype.Browser.IE && this.indexOf('opacity') > -1) {

     styleRules.opacity = this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1];

   }

   return styleRules;

 };

 Element.morph = function(element, style) {

   new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || {}));

   return element;

 };

 ['getInlineOpacity','forceRerendering','setContentZoom',

  'collectTextNodes','collectTextNodesIgnoreClass','morph'].each( 

   function(f) { Element.Methods[f] = Element[f]; }

 );

 Element.Methods.visualEffect = function(element, effect, options) {

   s = effect.dasherize().camelize();

   effect_class = s.charAt(0).toUpperCase() + s.substring(1);

   new Effect[effect_class](element, options);

   return $(element);

 };

 Element.addMethods();