// Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
//  Justin Palmer (http://encytemedia.com/)
//  Mark Pilgrim (http://diveintomark.org/)
//  Martin Bialasinki
// 
// See scriptaculous.js for full license.  

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};
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<1.0E-5)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=$(element).childNodes;var options=Object.extend({speed:0.1,delay:0},arguments[2]||{});var masterDelay=options.delay;$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=$(element);effect=(effect||"appear").toLowerCase();var options=Object.extend({queue:{position:"end",
scope:element.id||"global"}},arguments[2]||{});Effect[Element.visible(element)?Effect.PAIRS[effect][1]:Effect.PAIRS[effect][0]](element,options)}};var Effect2=Effect;Effect.Transitions={};Effect.Transitions.linear=function(pos){return pos};Effect.Transitions.sinoidal=function(pos){return-Math.cos(pos*Math.PI)/2+0.5};Effect.Transitions.reverse=function(pos){return 1-pos};Effect.Transitions.flicker=function(pos){return-Math.cos(pos*Math.PI)/4+0.75+Math.random()/4};
Effect.Transitions.wobble=function(pos){return-Math.cos(pos*Math.PI*9*pos)/2+0.5};Effect.Transitions.pulse=function(pos){return Math.floor(pos*10)%2==0?pos*10-Math.floor(pos*10):1-(pos*10-Math.floor(pos*10))};Effect.Transitions.none=function(pos){return 0};Effect.Transitions.full=function(pos){return 1};Effect.ScopedQueue=Class.create();
Object.extend(Object.extend(Effect.ScopedQueue.prototype,Enumerable),{initialize:function(){this.effects=[];this.interval=null},_each:function(iterator){this.effects._each(iterator)},add:function(effect){var timestamp=(new Date).getTime();var position=typeof effect.options.queue=="string"?effect.options.queue:effect.options.queue.position;switch(position){case "front":this.effects.findAll(function(e){return e.state=="idle"}).each(function(e){e.startOn+=effect.finishOn;e.finishOn+=effect.finishOn});
break;case "end":timestamp=this.effects.pluck("finishOn").max()||timestamp;break}effect.startOn+=timestamp;effect.finishOn+=timestamp;this.effects.push(effect);if(!this.interval)this.interval=setInterval(this.loop.bind(this),40)},remove:function(effect){this.effects=this.effects.reject(function(e){return e==effect});if(this.effects.length==0){clearInterval(this.interval);this.interval=null}},loop:function(){var timePos=(new Date).getTime();this.effects.invoke("loop",timePos)}});
Effect.Queues={instances:$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,fps:25,sync:false,from:0,to:1,delay:0,queue:"parallel"};Effect.Base=function(){};
Effect.Base.prototype={position:null,start:function(options){this.options=Object.extend(Object.extend({},Effect.DefaultOptions),options||{});this.currentFrame=0;this.state="idle";this.startOn=this.options.delay*1E3;this.finishOn=this.startOn+this.options.duration*1E3;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);
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}}},render:function(pos){if(this.state=="idle"){this.state="running";this.event("beforeSetup");if(this.setup)this.setup();this.event("afterSetup")}if(this.state=="running"){if(this.options.transition)pos=this.options.transition(pos);
pos*=this.options.to-this.options.from;pos+=this.options.from;this.position=pos;this.event("beforeUpdate");if(this.update)this.update(pos);this.event("afterUpdate")}},cancel:function(){if(!this.options.sync)Effect.Queues.get(typeof this.options.queue=="string"?"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();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);effect.cancel();effect.event("beforeFinish");if(effect.finish)effect.finish(position);effect.event("afterFinish")})}});
Effect.Opacity=Class.create();Object.extend(Object.extend(Effect.Opacity.prototype,Effect.Base.prototype),{initialize:function(element){this.element=$(element);if(/MSIE/.test(navigator.userAgent)&&!this.element.hasLayout)Element.setStyle(this.element,{zoom:1});var options=Object.extend({from:Element.getOpacity(this.element)||0,to:1},arguments[1]||{});this.start(options)},update:function(position){Element.setOpacity(this.element,position)}});Effect.Move=Class.create();
Object.extend(Object.extend(Effect.Move.prototype,Effect.Base.prototype),{initialize:function(element){this.element=$(element);var options=Object.extend({x:0,y:0,mode:"relative"},arguments[1]||{});this.start(options)},setup:function(){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"){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"})}});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);var options=Object.extend({scaleX:true,scaleY:true,scaleContent:true,scaleFromCenter:false,scaleMode:"box",scaleFrom:100,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){var currentScale=this.options.scaleFrom/100+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){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"}}Element.setStyle(this.element,d)}});Effect.Highlight=Class.create();
Object.extend(Object.extend(Effect.Highlight.prototype,Effect.Base.prototype),{initialize:function(element){this.element=$(element);var options=Object.extend({startcolor:"#ffff99"},arguments[1]||{});this.start(options)},setup:function(){if(Element.getStyle(this.element,"display")=="none"){this.cancel();return}this.oldStyle={backgroundImage:Element.getStyle(this.element,"background-image")};Element.setStyle(this.element,{backgroundImage:"none"});if(!this.options.endcolor)this.options.endcolor=Element.getStyle(this.element,
"background-color").parseColor("#ffffff");if(!this.options.restorecolor)this.options.restorecolor=Element.getStyle(this.element,"background-color");this._base=$R(0,2).map(function(i){return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16)}.bind(this));this._delta=$R(0,2).map(function(i){return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i]}.bind(this))},update:function(position){Element.setStyle(this.element,{backgroundColor:$R(0,2).inject("#",function(m,v,i){return m+
Math.round(this._base[i]+this._delta[i]*position).toColorPart()}.bind(this))})},finish:function(){Element.setStyle(this.element,Object.extend(this.oldStyle,{backgroundColor:this.options.restorecolor}))}});Effect.ScrollTo=Class.create();
Object.extend(Object.extend(Effect.ScrollTo.prototype,Effect.Base.prototype),{initialize:function(element){this.element=$(element);this.start(arguments[1]||{})},setup:function(){Position.prepare();var offsets=Position.cumulativeOffset(this.element);if(this.options.offset)offsets[1]+=this.options.offset;var max=window.innerHeight?window.height-window.innerHeight:document.body.scrollHeight-(document.documentElement.clientHeight?document.documentElement.clientHeight:document.body.clientHeight);this.scrollStart=
Position.deltaY;this.delta=(offsets[1]>max?max:offsets[1])-this.scrollStart},update:function(position){Position.prepare();window.scrollTo(Position.deltaX,this.scrollStart+position*this.delta)}});
Effect.Fade=function(element){var oldOpacity=Element.getInlineOpacity(element);var options=Object.extend({from:Element.getOpacity(element)||1,to: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:Element.getOpacity(element)||0,to:1,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){element=$(element);var oldStyle={opacity:Element.getInlineOpacity(element),position:Element.getStyle(element,"position")};return new Effect.Parallel([new Effect.Scale(element,200,{sync:true,scaleFromCenter:true,scaleContent:true,restoreAfterFinish:true}),new Effect.Opacity(element,{sync:true,to:0})],Object.extend({duration:1,beforeSetupInternal:function(effect){with(Element)setStyle(effect.effects[0].element,{position:"absolute"})},afterFinishInternal:function(effect){with(Element){hide(effect.effects[0].element);
setStyle(effect.effects[0].element,oldStyle)}}},arguments[1]||{}))};Effect.BlindUp=function(element){element=$(element);Element.makeClipping(element);return new Effect.Scale(element,0,Object.extend({scaleContent:false,scaleX:false,restoreAfterFinish:true,afterFinishInternal:function(effect){with(Element)[hide,undoClipping].call(effect.element)}},arguments[1]||{}))};
Effect.BlindDown=function(element){element=$(element);var oldHeight=Element.getStyle(element,"height");var elementDimensions=Element.getDimensions(element);return new Effect.Scale(element,100,Object.extend({scaleContent:false,scaleX:false,scaleFrom:0,scaleMode:{originalHeight:elementDimensions.height,originalWidth:elementDimensions.width},restoreAfterFinish:true,afterSetup:function(effect){with(Element){makeClipping(effect.element);setStyle(effect.element,{height:"0px"});show(effect.element)}},afterFinishInternal:function(effect){with(Element){undoClipping(effect.element);
setStyle(effect.element,{height:oldHeight})}}},arguments[1]||{}))};
Effect.SwitchOff=function(element){element=$(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){element=$(element);var oldStyle={top:Element.getStyle(element,"top"),left:Element.getStyle(element,"left"),opacity:Element.getInlineOpacity(element)};return new Effect.Parallel([new Effect.Move(element,{x:0,y:100,sync:true}),new Effect.Opacity(element,{sync:true,to:0})],Object.extend({duration:0.5,beforeSetup:function(effect){with(Element)makePositioned(effect.effects[0].element)},afterFinishInternal:function(effect){with(Element){[hide,undoPositioned].call(effect.effects[0].element);
setStyle(effect.effects[0].element,oldStyle)}}},arguments[1]||{}))};
Effect.Shake=function(element){element=$(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=$(element);Element.cleanWhitespace(element);var oldInnerBottom=Element.getStyle(element.firstChild,"bottom");var elementDimensions=Element.getDimensions(element);return new Effect.Scale(element,100,Object.extend({scaleContent:false,scaleX:false,scaleFrom:0,scaleMode:{originalHeight:elementDimensions.height,originalWidth:elementDimensions.width},restoreAfterFinish:true,afterSetup:function(effect){with(Element){makePositioned(effect.element);makePositioned(effect.element.firstChild);
if(window.opera)setStyle(effect.element,{top:""});makeClipping(effect.element);setStyle(effect.element,{height:"0px"});show(element)}},afterUpdateInternal:function(effect){with(Element)setStyle(effect.element.firstChild,{bottom:effect.dims[0]-effect.element.clientHeight+"px"})},afterFinishInternal:function(effect){with(Element){undoClipping(effect.element);undoPositioned(effect.element.firstChild);undoPositioned(effect.element);setStyle(effect.element.firstChild,{bottom:oldInnerBottom})}}},arguments[1]||
{}))};
Effect.SlideUp=function(element){element=$(element);Element.cleanWhitespace(element);var oldInnerBottom=Element.getStyle(element.firstChild,"bottom");return new Effect.Scale(element,0,Object.extend({scaleContent:false,scaleX:false,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]||{}))};
Effect.Squish=function(element){return new Effect.Scale(element,window.opera?1:0,{restoreAfterFinish:true,beforeSetup:function(effect){with(Element)makeClipping(effect.element)},afterFinishInternal:function(effect){with(Element){hide(effect.element);undoClipping(effect.element)}}})};
Effect.Grow=function(element){element=$(element);var options=Object.extend({direction:"center",moveTransistion:Effect.Transitions.sinoidal,scaleTransition:Effect.Transitions.sinoidal,opacityTransition:Effect.Transitions.full},arguments[1]||{});var oldStyle={top:element.style.top,left:element.style.left,height:element.style.height,width:element.style.width,opacity:Element.getInlineOpacity(element)};var dims=Element.getDimensions(element);var initialMoveX,initialMoveY;var moveX,moveY;switch(options.direction){case "top-left":initialMoveX=
initialMoveY=moveX=moveY=0;break;case "top-right":initialMoveX=dims.width;initialMoveY=moveY=0;moveX=-dims.width;break;case "bottom-left":initialMoveX=moveX=0;initialMoveY=dims.height;moveY=-dims.height;break;case "bottom-right":initialMoveX=dims.width;initialMoveY=dims.height;moveX=-dims.width;moveY=-dims.height;break;case "center":initialMoveX=dims.width/2;initialMoveY=dims.height/2;moveX=-dims.width/2;moveY=-dims.height/2;break}return new Effect.Move(element,{x:initialMoveX,y:initialMoveY,duration:0.01,
beforeSetup:function(effect){with(Element){hide(effect.element);makeClipping(effect.element);makePositioned(effect.element)}},afterFinishInternal:function(effect){new Effect.Parallel([new Effect.Opacity(effect.element,{sync:true,to:1,from:0,transition:options.opacityTransition}),new Effect.Move(effect.element,{x:moveX,y:moveY,sync:true,transition:options.moveTransition}),new Effect.Scale(effect.element,100,{scaleMode:{originalHeight:dims.height,originalWidth:dims.width},sync:true,scaleFrom:window.opera?
1:0,transition:options.scaleTransition,restoreAfterFinish:true})],Object.extend({beforeSetup:function(effect){with(Element){setStyle(effect.effects[0].element,{height:"0px"});show(effect.effects[0].element)}},afterFinishInternal:function(effect){with(Element){[undoClipping,undoPositioned].call(effect.effects[0].element);setStyle(effect.effects[0].element,oldStyle)}}},options))}})};
Effect.Shrink=function(element){element=$(element);var options=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(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,from:1,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=$(element);var options=arguments[1]||{};var oldOpacity=Element.getInlineOpacity(element);var transition=options.transition||Effect.Transitions.sinoidal;var reverser=function(pos){return transition(1-Effect.Transitions.pulse(pos))};reverser.bind(transition);return new Effect.Opacity(element,Object.extend(Object.extend({duration:3,from:0,afterFinishInternal:function(effect){Element.setStyle(effect.element,{opacity:oldOpacity})}},options),{transition:reverser}))};
Effect.Fold=function(element){element=$(element);var oldStyle={top:element.style.top,left:element.style.left,width:element.style.width,height:element.style.height};Element.makeClipping(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]||{}))};