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(/MSIE/.test(navigator.userAgent)&&!window.opera)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;Effect.Transitions={}
Effect.Transitions.linear=Prototype.K;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;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),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,fps:25.0,sync:false,from:0.0,to:1.0,delay:0.0,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*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;}}},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(1.0);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=$(element);if(!this.element)throw(Effect._elementDoesNotExistError);if(/MSIE/.test(navigator.userAgent)&&!window.opera&&(!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom:1});var options=Object.extend({from:this.element.getOpacity()||0.0,to:1.0},arguments[1]||{});this.start(options);},update:function(position){this.element.setOpacity(position);}});Effect.Move=Class.create();Object.extend(Object.extend(Effect.Move.prototype,Effect.Base.prototype),{initialize:function(element){this.element=$(element);if(!this.element)throw(Effect._elementDoesNotExistError);var options=Object.extend({x:0,y:0,mode:'relative'},arguments[1]||{});this.start(options);},setup:function(){this.element.makePositioned();this.originalLeft=parseFloat(this.element.getStyle('left')||'0');this.originalTop=parseFloat(this.element.getStyle('top')||'0');if(this.options.mode=='absolute'){this.options.x=this.options.x-this.originalLeft;this.options.y=this.options.y-this.originalTop;}},update:function(position){this.element.setStyle({left:Math.round(this.options.x*position+this.originalLeft)+'px',top:Math.round(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);if(!this.element)throw(Effect._elementDoesNotExistError);var options=Object.extend({scaleX:true,scaleY:true,scaleContent:true,scaleFromCenter:false,scaleMode:'box',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(){if(this.element.getStyle('display')=='none'){this.cancel();return;}
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');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));}});