var Scriptaculous={Version:'1.6.4',require:function(libraryName){document.write('<script type="text/javascript" src="'+libraryName+'"></script>');},load:function(){if((typeof Prototype=='undefined')||(typeof Element=='undefined')||(typeof Element.Methods=='undefined')||parseFloat(Prototype.Version.split(".")[0]+"."+
Prototype.Version.split(".")[1])<1.5)
throw("script.aculo.us requires the Prototype JavaScript framework >= 1.5.0");$A(document.getElementsByTagName("script")).findAll(function(s){return(s.src&&s.src.match(/scriptaculous\.js(\?.*)?$/))}).each(function(s){var path=s.src.replace(/scriptaculous\.js(\?.*)?$/,'');var includes=s.src.match(/\?.*load=([a-z,]*)/);(includes?includes[1]:'scriptaculous-builder,scriptaculous-effects,scriptaculous-dragdrop,scriptaculous-slider').split(',').each(function(include){});});}}
Scriptaculous.load();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(element,{fontSize:(percent/100)+'em'});if(navigator.appVersion.indexOf('AppleWebKit')>0)window.scrollBy(0,0);}
Element.getOpacity=function(element){var opacity;if(opacity=Element.getStyle(element,'opacity'))
return parseFloat(opacity);if(opacity=(Element.getStyle(element,'filter')||'').match(/alpha\(opacity=(.*)\)/))
if(opacity[1])return parseFloat(opacity[1])/100;return 1.0;}
Element.setOpacity=function(element,value){element=$(element);if(value==1){Element.setStyle(element,{opacity:(/Gecko/.test(navigator.userAgent)&&!/Konqueror|Safari|KHTML/.test(navigator.userAgent))?0.999999:1.0});if(/MSIE/.test(navigator.userAgent)&&!window.opera)
Element.setStyle(element,{filter:Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});}else{if(value<0.00001)value=0;Element.setStyle(element,{opacity:value});if(/MSIE/.test(navigator.userAgent)&&!window.opera)
Element.setStyle(element,{filter:Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')+'alpha(opacity='+value*100+')'});}}
Element.getInlineOpacity=function(element){return $(element).style.opacity||'';}
Element.childrenWithClassName=function(element,className,findFirst){var classNameRegExp=new RegExp("(^|\\s)"+className+"(\\s|$)");var results=$A($(element).getElementsByTagName('*'))[findFirst?'detect':'select'](function(c){return(c.className&&c.className.match(classNameRegExp));});if(!results)results=[];return results;}
Element.forceRerendering=function(element){try{element=$(element);var n=document.createTextNode(' ');element.appendChild(n);element.removeChild(n);}catch(e){}};Array.prototype.call=function(){var args=arguments;this.each(function(f){f.apply(this,args)});}
var Effect={_elementDoesNotExistError:{name:'ElementDoesNotExistError',message:'The specified DOM element does not exist, but is required for this effect to operate'},tagifyText:function(element){if(typeof Builder=='undefined')
throw("Effect.tagifyText requires including script.aculo.us' builder.js library");var tagifyStyle='position:relative';if(/MSIE/.test(navigator.userAgent)&&!window.opera)tagifyStyle+=';zoom:1';element=$(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=$(element);this.start(arguments[1]||{});},setup:function(){Position.prepare();var offsets=Position.cumulativeOffset(this.element);if(this.options.offset)offsets[1]+=this.options.offset;var max=window.innerHeight?window.height-window.innerHeight:document.body.scrollHeight-
(document.documentElement.clientHeight?document.documentElement.clientHeight:document.body.clientHeight);this.scrollStart=Position.deltaY;this.delta=(offsets[1]>max?max:offsets[1])-this.scrollStart;},update:function(position){Position.prepare();window.scrollTo(Position.deltaX,this.scrollStart+(position*this.delta));}});Effect.Fade=function(element){element=$(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();effect.element.setStyle({opacity:oldOpacity});}},arguments[1]||{});return new Effect.Opacity(element,options);}
Effect.Appear=function(element){element=$(element);var options=Object.extend({from:(element.getStyle('display')=='none'?0.0:element.getOpacity()||0.0),to:1.0,afterFinishInternal:function(effect){effect.element.forceRerendering();},beforeSetup:function(effect){effect.element.setOpacity(effect.options.from);effect.element.show();}},arguments[1]||{});return new Effect.Opacity(element,options);}
Effect.Puff=function(element){element=$(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();effect.effects[0].element.setStyle(oldStyle);}},arguments[1]||{}));}
Effect.BlindUp=function(element){element=$(element);element.makeClipping();return new Effect.Scale(element,0,Object.extend({scaleContent:false,scaleX:false,restoreAfterFinish:true,afterFinishInternal:function(effect){effect.element.hide();effect.element.undoClipping();}},arguments[1]||{}));}
Effect.BlindDown=function(element){element=$(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();effect.element.setStyle({height:'0px'});effect.element.show();},afterFinishInternal:function(effect){effect.element.undoClipping();}},arguments[1]||{}));}
Effect.SwitchOff=function(element){element=$(element);var oldOpacity=element.getInlineOpacity();return new Effect.Appear(element,Object.extend({duration:0.4,from:0,transition:Effect.Transitions.flicker,afterFinishInternal:function(effect){new Effect.Scale(effect.element,1,{duration:0.3,scaleFromCenter:true,scaleX:false,scaleContent:false,restoreAfterFinish:true,beforeSetup:function(effect){effect.element.makePositioned();effect.element.makeClipping();},afterFinishInternal:function(effect){effect.element.hide();effect.element.undoClipping();effect.element.undoPositioned();effect.element.setStyle({opacity:oldOpacity});}})}},arguments[1]||{}));}
Effect.DropOut=function(element){element=$(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();effect.effects[0].element.undoPositioned();effect.effects[0].element.setStyle(oldStyle);}},arguments[1]||{}));}
Effect.Shake=function(element){element=$(element);var oldStyle={top:element.getStyle('top'),left:element.getStyle('left')};return new Effect.Move(element,{x:20,y:0,duration:0.05,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:-40,y:0,duration:0.1,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:40,y:0,duration:0.1,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:-40,y:0,duration:0.1,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:40,y:0,duration:0.1,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:-20,y:0,duration:0.05,afterFinishInternal:function(effect){effect.element.undoPositioned();effect.element.setStyle(oldStyle);}})}})}})}})}})}});}
Effect.SlideDown=function(element){element=$(element);element.cleanWhitespace();var oldInnerBottom=$(element.firstChild).getStyle('bottom');var elementDimensions=element.getDimensions();return new Effect.Scale(element,100,Object.extend({scaleContent:false,scaleX:false,scaleFrom:window.opera?0:1,scaleMode:{originalHeight:elementDimensions.height,originalWidth:elementDimensions.width},restoreAfterFinish:true,afterSetup:function(effect){effect.element.makePositioned();effect.element.firstChild.makePositioned();if(window.opera)effect.element.setStyle({top:''});effect.element.makeClipping();effect.element.setStyle({height:'0px'});effect.element.show();},afterUpdateInternal:function(effect){effect.element.firstChild.setStyle({bottom:(effect.dims[0]-effect.element.clientHeight)+'px'});},afterFinishInternal:function(effect){effect.element.undoClipping();if(/MSIE/.test(navigator.userAgent)&&!window.opera){effect.element.undoPositioned();effect.element.firstChild.undoPositioned();}else{effect.element.firstChild.undoPositioned();effect.element.undoPositioned();}
effect.element.firstChild.setStyle({bottom:oldInnerBottom});}},arguments[1]||{}));}
Effect.SlideUp=function(element){element=$(element);element.cleanWhitespace();var oldInnerBottom=$(element.firstChild).getStyle('bottom');return new Effect.Scale(element,window.opera?0:1,Object.extend({scaleContent:false,scaleX:false,scaleMode:'box',scaleFrom:100,restoreAfterFinish:true,beforeStartInternal:function(effect){effect.element.makePositioned();effect.element.firstChild.makePositioned();if(window.opera)effect.element.setStyle({top:''});effect.element.makeClipping();effect.element.show();},afterUpdateInternal:function(effect){effect.element.firstChild.setStyle({bottom:(effect.dims[0]-effect.element.clientHeight)+'px'});},afterFinishInternal:function(effect){effect.element.hide();effect.element.undoClipping();effect.element.firstChild.undoPositioned();effect.element.undoPositioned();effect.element.setStyle({bottom:oldInnerBottom});}},arguments[1]||{}));}
Effect.Squish=function(element){return new Effect.Scale(element,window.opera?1:0,{restoreAfterFinish:true,beforeSetup:function(effect){effect.element.makeClipping(effect.element);},afterFinishInternal:function(effect){effect.element.hide(effect.element);effect.element.undoClipping(effect.element);}});}
Effect.Grow=function(element){element=$(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();effect.element.makeClipping();effect.element.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'});effect.effects[0].element.show();},afterFinishInternal:function(effect){effect.effects[0].element.undoClipping();effect.effects[0].element.undoPositioned();effect.effects[0].element.setStyle(oldStyle);}},options))}});}
Effect.Shrink=function(element){element=$(element);var options=Object.extend({direction:'center',moveTransition:Effect.Transitions.sinoidal,scaleTransition:Effect.Transitions.sinoidal,opacityTransition:Effect.Transitions.none},arguments[1]||{});var oldStyle={top:element.style.top,left:element.style.left,height:element.style.height,width:element.style.width,opacity:element.getInlineOpacity()};var dims=element.getDimensions();var moveX,moveY;switch(options.direction){case'top-left':moveX=moveY=0;break;case'top-right':moveX=dims.width;moveY=0;break;case'bottom-left':moveX=0;moveY=dims.height;break;case'bottom-right':moveX=dims.width;moveY=dims.height;break;case'center':moveX=dims.width/2;moveY=dims.height/2;break;}
return new Effect.Parallel([new Effect.Opacity(element,{sync:true,to:0.0,from:1.0,transition:options.opacityTransition}),new Effect.Scale(element,window.opera?1:0,{sync:true,transition:options.scaleTransition,restoreAfterFinish:true}),new Effect.Move(element,{x:moveX,y:moveY,sync:true,transition:options.moveTransition})],Object.extend({beforeStartInternal:function(effect){effect.effects[0].element.makePositioned();effect.effects[0].element.makeClipping();},afterFinishInternal:function(effect){effect.effects[0].element.hide();effect.effects[0].element.undoClipping();effect.effects[0].element.undoPositioned();effect.effects[0].element.setStyle(oldStyle);}},options));}
Effect.Pulsate=function(element){element=$(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))};reverser.bind(transition);return new Effect.Opacity(element,Object.extend(Object.extend({duration:3.0,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(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){effect.element.hide();effect.element.undoClipping();effect.element.setStyle(oldStyle);}});}},arguments[1]||{}));};['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom','collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].each(function(f){Element.Methods[f]=Element[f];});Element.Methods.visualEffect=function(element,effect,options){s=effect.gsub(/_/,'-').camelize();effect_class=s.charAt(0).toUpperCase()+s.substring(1);new Effect[effect_class](element,options);return $(element);};Element.addMethods();var Builder={NODEMAP:{AREA:'map',CAPTION:'table',COL:'table',COLGROUP:'table',LEGEND:'fieldset',OPTGROUP:'select',OPTION:'select',PARAM:'object',TBODY:'table',TD:'table',TFOOT:'table',TH:'table',THEAD:'table',TR:'table'},node:function(elementName){elementName=elementName.toUpperCase();var parentTag=this.NODEMAP[elementName]||'div';var parentElement=document.createElement(parentTag);try{parentElement.innerHTML="<"+elementName+"></"+elementName+">";}catch(e){}
var element=parentElement.firstChild||null;if(element&&(element.tagName!=elementName))
element=element.getElementsByTagName(elementName)[0];if(!element)element=document.createElement(elementName);if(!element)return;if(arguments[1])
if(this._isStringOrNumber(arguments[1])||(arguments[1]instanceof Array)){this._children(element,arguments[1]);}else{var attrs=this._attributes(arguments[1]);if(attrs.length){try{parentElement.innerHTML="<"+elementName+" "+
attrs+"></"+elementName+">";}catch(e){}
element=parentElement.firstChild||null;if(!element){element=document.createElement(elementName);for(attr in arguments[1])
element[attr=='class'?'className':attr]=arguments[1][attr];}
if(element.tagName!=elementName)
element=parentElement.getElementsByTagName(elementName)[0];}}
if(arguments[2])
this._children(element,arguments[2]);return element;},_text:function(text){return document.createTextNode(text);},_attributes:function(attributes){var attrs=[];for(attribute in attributes)
attrs.push((attribute=='className'?'class':attribute)+'="'+attributes[attribute].toString().escapeHTML()+'"');return attrs.join(" ");},_children:function(element,children){if(typeof children=='object'){children.flatten().each(function(e){if(typeof e=='object')
element.appendChild(e)
else
if(Builder._isStringOrNumber(e))
element.appendChild(Builder._text(e));});}else
if(Builder._isStringOrNumber(children))
element.appendChild(Builder._text(children));},_isStringOrNumber:function(param){return(typeof param=='string'||typeof param=='number');},dump:function(scope){if(typeof scope!='object'&&typeof scope!='function')scope=window;var tags=("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY "+"BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET "+"FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+"KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+"PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+"TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);tags.each(function(tag){scope[tag]=function(){return Builder.node.apply(Builder,[tag].concat($A(arguments)));}});}}
if(typeof Effect=='undefined')
throw("dragdrop.js requires including script.aculo.us' effects.js library");var Droppables={drops:[],remove:function(element){this.drops=this.drops.reject(function(d){return d.element==$(element)});},add:function(element){element=$(element);var options=Object.extend({greedy:true,hoverclass:null,tree:false},arguments[1]||{});if(options.containment){options._containers=[];var containment=options.containment;if((typeof containment=='object')&&(containment.constructor==Array)){containment.each(function(c){options._containers.push($(c))});}else{options._containers.push($(containment));}}
if(options.accept)options.accept=[options.accept].flatten();Element.makePositioned(element);options.element=element;this.drops.push(options);},findDeepestChild:function(drops){deepest=drops[0];for(i=1;i<drops.length;++i)
if(Element.isParent(drops[i].element,deepest.element))
deepest=drops[i];return deepest;},isContained:function(element,drop){var containmentNode;if(drop.tree){containmentNode=element.treeNode;}else{containmentNode=element.parentNode;}
return drop._containers.detect(function(c){return containmentNode==c});},isAffected:function(point,element,drop){return((drop.element!=element)&&((!drop._containers)||this.isContained(element,drop))&&((!drop.accept)||(Element.classNames(element).detect(function(v){return drop.accept.include(v)})))&&Position.within(drop.element,point[0],point[1]));},deactivate:function(drop){if(drop.hoverclass)
Element.removeClassName(drop.element,drop.hoverclass);this.last_active=null;},activate:function(drop){if(drop.hoverclass)
Element.addClassName(drop.element,drop.hoverclass);this.last_active=drop;},show:function(point,element){if(!this.drops.length)return;var affected=[];if(this.last_active)this.deactivate(this.last_active);this.drops.each(function(drop){if(Droppables.isAffected(point,element,drop))
affected.push(drop);});if(affected.length>0){drop=Droppables.findDeepestChild(affected);Position.within(drop.element,point[0],point[1]);if(drop.onHover)
drop.onHover(element,drop.element,Position.overlap(drop.overlap,drop.element));Droppables.activate(drop);}},fire:function(event,element){if(!this.last_active)return;Position.prepare();if(this.isAffected([Event.pointerX(event),Event.pointerY(event)],element,this.last_active))
if(this.last_active.onDrop)
this.last_active.onDrop(element,this.last_active.element,event);},reset:function(){if(this.last_active)
this.deactivate(this.last_active);}}
var Draggables={drags:[],observers:[],register:function(draggable){if(this.drags.length==0){this.eventMouseUp=this.endDrag.bindAsEventListener(this);this.eventMouseMove=this.updateDrag.bindAsEventListener(this);this.eventKeypress=this.keyPress.bindAsEventListener(this);Event.observe(document,"mouseup",this.eventMouseUp);Event.observe(document,"mousemove",this.eventMouseMove);Event.observe(document,"keypress",this.eventKeypress);}
this.drags.push(draggable);},unregister:function(draggable){this.drags=this.drags.reject(function(d){return d==draggable});if(this.drags.length==0){Event.stopObserving(document,"mouseup",this.eventMouseUp);Event.stopObserving(document,"mousemove",this.eventMouseMove);Event.stopObserving(document,"keypress",this.eventKeypress);}},activate:function(draggable){if(draggable.options.delay){this._timeout=setTimeout(function(){Draggables._timeout=null;window.focus();Draggables.activeDraggable=draggable;}.bind(this),draggable.options.delay);}else{window.focus();this.activeDraggable=draggable;}},deactivate:function(){this.activeDraggable=null;},updateDrag:function(event){if(!this.activeDraggable)return;var pointer=[Event.pointerX(event),Event.pointerY(event)];if(this._lastPointer&&(this._lastPointer.inspect()==pointer.inspect()))return;this._lastPointer=pointer;this.activeDraggable.updateDrag(event,pointer);},endDrag:function(event){if(this._timeout){clearTimeout(this._timeout);this._timeout=null;}
if(!this.activeDraggable)return;this._lastPointer=null;this.activeDraggable.endDrag(event);this.activeDraggable=null;},keyPress:function(event){if(this.activeDraggable)
this.activeDraggable.keyPress(event);},addObserver:function(observer){this.observers.push(observer);this._cacheObserverCallbacks();},removeObserver:function(element){this.observers=this.observers.reject(function(o){return o.element==element});this._cacheObserverCallbacks();},notify:function(eventName,draggable,event){if(this[eventName+'Count']>0)
this.observers.each(function(o){if(o[eventName])o[eventName](eventName,draggable,event);});if(draggable.options[eventName])draggable.options[eventName](draggable,event);},_cacheObserverCallbacks:function(){['onStart','onEnd','onDrag'].each(function(eventName){Draggables[eventName+'Count']=Draggables.observers.select(function(o){return o[eventName];}).length;});}}
var Draggable=Class.create();Draggable._dragging={};Draggable.prototype={initialize:function(element){var defaults={handle:false,reverteffect:function(element,top_offset,left_offset){var dur=Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;new Effect.Move(element,{x:-left_offset,y:-top_offset,duration:dur,queue:{scope:'_draggable',position:'end'}});},endeffect:function(element){var toOpacity=typeof element._opacity=='number'?element._opacity:1.0;new Effect.Opacity(element,{duration:0.2,from:0.7,to:toOpacity,queue:{scope:'_draggable',position:'end'},afterFinish:function(){Draggable._dragging[element]=false}});},zindex:1000,revert:false,scroll:false,scrollSensitivity:20,scrollSpeed:15,snap:false,delay:0};if(arguments[1]&&typeof arguments[1].endeffect=='undefined')
Object.extend(defaults,{starteffect:function(element){element._opacity=Element.getOpacity(element);Draggable._dragging[element]=true;new Effect.Opacity(element,{duration:0.2,from:element._opacity,to:0.7});}});var options=Object.extend(defaults,arguments[1]||{});this.element=$(element);if(options.handle&&(typeof options.handle=='string')){var h=Element.childrenWithClassName(this.element,options.handle,true);if(h.length>0)this.handle=h[0];}
if(!this.handle)this.handle=$(options.handle);if(!this.handle)this.handle=this.element;if(options.scroll&&!options.scroll.scrollTo&&!options.scroll.outerHTML){options.scroll=$(options.scroll);this._isScrollChild=Element.childOf(this.element,options.scroll);}
Element.makePositioned(this.element);this.delta=this.currentDelta();this.options=options;this.dragging=false;this.eventMouseDown=this.initDrag.bindAsEventListener(this);Event.observe(this.handle,"mousedown",this.eventMouseDown);Draggables.register(this);},destroy:function(){Event.stopObserving(this.handle,"mousedown",this.eventMouseDown);Draggables.unregister(this);},currentDelta:function(){return([parseInt(Element.getStyle(this.element,'left')||'0'),parseInt(Element.getStyle(this.element,'top')||'0')]);},initDrag:function(event){if(typeof Draggable._dragging[this.element]!='undefined'&&Draggable._dragging[this.element])return;if(Event.isLeftClick(event)){var src=Event.element(event);if(src.tagName&&(src.tagName=='INPUT'||src.tagName=='SELECT'||src.tagName=='OPTION'||src.tagName=='BUTTON'||src.tagName=='TEXTAREA'))return;var pointer=[Event.pointerX(event),Event.pointerY(event)];var pos=Position.cumulativeOffset(this.element);this.offset=[0,1].map(function(i){return(pointer[i]-pos[i])});Draggables.activate(this);Event.stop(event);}},startDrag:function(event){this.dragging=true;if(this.options.zindex){this.originalZ=parseInt(Element.getStyle(this.element,'z-index')||0);this.element.style.zIndex=this.options.zindex;}
if(this.options.ghosting){this._clone=this.element.cloneNode(true);Position.absolutize(this.element);this.element.parentNode.insertBefore(this._clone,this.element);}
if(this.options.scroll){if(this.options.scroll==window){var where=this._getWindowScroll(this.options.scroll);this.originalScrollLeft=where.left;this.originalScrollTop=where.top;}else{this.originalScrollLeft=this.options.scroll.scrollLeft;this.originalScrollTop=this.options.scroll.scrollTop;}}
Draggables.notify('onStart',this,event);if(this.options.starteffect)this.options.starteffect(this.element);},updateDrag:function(event,pointer){if(!this.dragging)this.startDrag(event);Position.prepare();Droppables.show(pointer,this.element);Draggables.notify('onDrag',this,event);this.draw(pointer);if(this.options.change)this.options.change(this);if(this.options.scroll){this.stopScrolling();var p;if(this.options.scroll==window){with(this._getWindowScroll(this.options.scroll)){p=[left,top,left+width,top+height];}}else{p=Position.page(this.options.scroll);p[0]+=this.options.scroll.scrollLeft;p[1]+=this.options.scroll.scrollTop;p[0]+=(window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0);p[1]+=(window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0);p.push(p[0]+this.options.scroll.offsetWidth);p.push(p[1]+this.options.scroll.offsetHeight);}
var speed=[0,0];if(pointer[0]<(p[0]+this.options.scrollSensitivity))speed[0]=pointer[0]-(p[0]+this.options.scrollSensitivity);if(pointer[1]<(p[1]+this.options.scrollSensitivity))speed[1]=pointer[1]-(p[1]+this.options.scrollSensitivity);if(pointer[0]>(p[2]-this.options.scrollSensitivity))speed[0]=pointer[0]-(p[2]-this.options.scrollSensitivity);if(pointer[1]>(p[3]-this.options.scrollSensitivity))speed[1]=pointer[1]-(p[3]-this.options.scrollSensitivity);this.startScrolling(speed);}
if(navigator.appVersion.indexOf('AppleWebKit')>0)window.scrollBy(0,0);Event.stop(event);},finishDrag:function(event,success){this.dragging=false;if(this.options.ghosting){Position.relativize(this.element);Element.remove(this._clone);this._clone=null;}
if(success)Droppables.fire(event,this.element);Draggables.notify('onEnd',this,event);var revert=this.options.revert;if(revert&&typeof revert=='function')revert=revert(this.element);var d=this.currentDelta();if(revert&&this.options.reverteffect){this.options.reverteffect(this.element,d[1]-this.delta[1],d[0]-this.delta[0]);}else{this.delta=d;}
if(this.options.zindex)
this.element.style.zIndex=this.originalZ;if(this.options.endeffect)
this.options.endeffect(this.element);Draggables.deactivate(this);Droppables.reset();},keyPress:function(event){if(event.keyCode!=Event.KEY_ESC)return;this.finishDrag(event,false);Event.stop(event);},endDrag:function(event){if(!this.dragging)return;this.stopScrolling();this.finishDrag(event,true);Event.stop(event);},draw:function(point){var pos=Position.cumulativeOffset(this.element);if(this.options.ghosting){var r=Position.realOffset(this.element);window.status=r.inspect();pos[0]+=r[0]-Position.deltaX;pos[1]+=r[1]-Position.deltaY;}
var d=this.currentDelta();pos[0]-=d[0];pos[1]-=d[1];if(this.options.scroll&&(this.options.scroll!=window&&this._isScrollChild)){pos[0]-=this.options.scroll.scrollLeft-this.originalScrollLeft;pos[1]-=this.options.scroll.scrollTop-this.originalScrollTop;}
var p=[0,1].map(function(i){return(point[i]-pos[i]-this.offset[i])}.bind(this));if(this.options.snap){if(typeof this.options.snap=='function'){p=this.options.snap(p[0],p[1],this);}else{if(this.options.snap instanceof Array){p=p.map(function(v,i){return Math.round(v/this.options.snap[i])*this.options.snap[i]}.bind(this))}else{p=p.map(function(v){return Math.round(v/this.options.snap)*this.options.snap}.bind(this))}}}
var style=this.element.style;if((!this.options.constraint)||(this.options.constraint=='horizontal'))
style.left=p[0]+"px";if((!this.options.constraint)||(this.options.constraint=='vertical'))
style.top=p[1]+"px";if(style.visibility=="hidden")style.visibility="";},stopScrolling:function(){if(this.scrollInterval){clearInterval(this.scrollInterval);this.scrollInterval=null;Draggables._lastScrollPointer=null;}},startScrolling:function(speed){if(!(speed[0]||speed[1]))return;this.scrollSpeed=[speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];this.lastScrolled=new Date();this.scrollInterval=setInterval(this.scroll.bind(this),10);},scroll:function(){var current=new Date();var delta=current-this.lastScrolled;this.lastScrolled=current;if(this.options.scroll==window){with(this._getWindowScroll(this.options.scroll)){if(this.scrollSpeed[0]||this.scrollSpeed[1]){var d=delta/1000;this.options.scroll.scrollTo(left+d*this.scrollSpeed[0],top+d*this.scrollSpeed[1]);}}}else{this.options.scroll.scrollLeft+=this.scrollSpeed[0]*delta/1000;this.options.scroll.scrollTop+=this.scrollSpeed[1]*delta/1000;}
Position.prepare();Droppables.show(Draggables._lastPointer,this.element);Draggables.notify('onDrag',this);if(this._isScrollChild){Draggables._lastScrollPointer=Draggables._lastScrollPointer||$A(Draggables._lastPointer);Draggables._lastScrollPointer[0]+=this.scrollSpeed[0]*delta/1000;Draggables._lastScrollPointer[1]+=this.scrollSpeed[1]*delta/1000;if(Draggables._lastScrollPointer[0]<0)
Draggables._lastScrollPointer[0]=0;if(Draggables._lastScrollPointer[1]<0)
Draggables._lastScrollPointer[1]=0;this.draw(Draggables._lastScrollPointer);}
if(this.options.change)this.options.change(this);},_getWindowScroll:function(w){var T,L,W,H;with(w.document){if(w.document.documentElement&&documentElement.scrollTop){T=documentElement.scrollTop;L=documentElement.scrollLeft;}else if(w.document.body){T=body.scrollTop;L=body.scrollLeft;}
if(w.innerWidth){W=w.innerWidth;H=w.innerHeight;}else if(w.document.documentElement&&documentElement.clientWidth){W=documentElement.clientWidth;H=documentElement.clientHeight;}else{W=body.offsetWidth;H=body.offsetHeight}}
return{top:T,left:L,width:W,height:H};}}
var SortableObserver=Class.create();SortableObserver.prototype={initialize:function(element,observer){this.element=$(element);this.observer=observer;this.lastValue=Sortable.serialize(this.element);},onStart:function(){this.lastValue=Sortable.serialize(this.element);},onEnd:function(){Sortable.unmark();if(this.lastValue!=Sortable.serialize(this.element))
this.observer(this.element)}}
var Sortable={SERIALIZE_RULE:/^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,sortables:{},_findRootElement:function(element){while(element.tagName!="BODY"){if(element.id&&Sortable.sortables[element.id])return element;element=element.parentNode;}},options:function(element){element=Sortable._findRootElement($(element));if(!element)return;return Sortable.sortables[element.id];},destroy:function(element){var s=Sortable.options(element);if(s){Draggables.removeObserver(s.element);s.droppables.each(function(d){Droppables.remove(d)});s.draggables.invoke('destroy');delete Sortable.sortables[s.element.id];}},create:function(element){element=$(element);var options=Object.extend({element:element,tag:'li',dropOnEmpty:false,tree:false,treeTag:'ul',overlap:'vertical',constraint:'vertical',containment:element,handle:false,only:false,delay:0,hoverclass:null,ghosting:false,scroll:false,scrollSensitivity:20,scrollSpeed:15,format:this.SERIALIZE_RULE,onChange:Prototype.emptyFunction,onUpdate:Prototype.emptyFunction},arguments[1]||{});this.destroy(element);var options_for_draggable={revert:true,scroll:options.scroll,scrollSpeed:options.scrollSpeed,scrollSensitivity:options.scrollSensitivity,delay:options.delay,ghosting:options.ghosting,constraint:options.constraint,handle:options.handle};if(options.starteffect)
options_for_draggable.starteffect=options.starteffect;if(options.reverteffect)
options_for_draggable.reverteffect=options.reverteffect;else
if(options.ghosting)options_for_draggable.reverteffect=function(element){element.style.top=0;element.style.left=0;};if(options.endeffect)
options_for_draggable.endeffect=options.endeffect;if(options.zindex)
options_for_draggable.zindex=options.zindex;var options_for_droppable={overlap:options.overlap,containment:options.containment,tree:options.tree,hoverclass:options.hoverclass,onHover:Sortable.onHover}
var options_for_tree={onHover:Sortable.onEmptyHover,overlap:options.overlap,containment:options.containment,hoverclass:options.hoverclass}
Element.cleanWhitespace(element);options.draggables=[];options.droppables=[];if(options.dropOnEmpty||options.tree){Droppables.add(element,options_for_tree);options.droppables.push(element);}
(this.findElements(element,options)||[]).each(function(e){var handle=options.handle?Element.childrenWithClassName(e,options.handle)[0]:e;options.draggables.push(new Draggable(e,Object.extend(options_for_draggable,{handle:handle})));Droppables.add(e,options_for_droppable);if(options.tree)e.treeNode=element;options.droppables.push(e);});if(options.tree){(Sortable.findTreeElements(element,options)||[]).each(function(e){Droppables.add(e,options_for_tree);e.treeNode=element;options.droppables.push(e);});}
this.sortables[element.id]=options;Draggables.addObserver(new SortableObserver(element,options.onUpdate));},findElements:function(element,options){return Element.findChildren(element,options.only,options.tree?true:false,options.tag);},findTreeElements:function(element,options){return Element.findChildren(element,options.only,options.tree?true:false,options.treeTag);},onHover:function(element,dropon,overlap){if(Element.isParent(dropon,element))return;if(overlap>.33&&overlap<.66&&Sortable.options(dropon).tree){return;}else if(overlap>0.5){Sortable.mark(dropon,'before');if(dropon.previousSibling!=element){var oldParentNode=element.parentNode;element.style.visibility="hidden";dropon.parentNode.insertBefore(element,dropon);if(dropon.parentNode!=oldParentNode)
Sortable.options(oldParentNode).onChange(element);Sortable.options(dropon.parentNode).onChange(element);}}else{Sortable.mark(dropon,'after');var nextElement=dropon.nextSibling||null;if(nextElement!=element){var oldParentNode=element.parentNode;element.style.visibility="hidden";dropon.parentNode.insertBefore(element,nextElement);if(dropon.parentNode!=oldParentNode)
Sortable.options(oldParentNode).onChange(element);Sortable.options(dropon.parentNode).onChange(element);}}},onEmptyHover:function(element,dropon,overlap){var oldParentNode=element.parentNode;var droponOptions=Sortable.options(dropon);if(!Element.isParent(dropon,element)){var index;var children=Sortable.findElements(dropon,{tag:droponOptions.tag,only:droponOptions.only});var child=null;if(children){var offset=Element.offsetSize(dropon,droponOptions.overlap)*(1.0-overlap);for(index=0;index<children.length;index+=1){if(offset-Element.offsetSize(children[index],droponOptions.overlap)>=0){offset-=Element.offsetSize(children[index],droponOptions.overlap);}else if(offset-(Element.offsetSize(children[index],droponOptions.overlap)/2)>=0){child=index+1<children.length?children[index+1]:null;break;}else{child=children[index];break;}}}
dropon.insertBefore(element,child);Sortable.options(oldParentNode).onChange(element);droponOptions.onChange(element);}},unmark:function(){if(Sortable._marker)Element.hide(Sortable._marker);},mark:function(dropon,position){var sortable=Sortable.options(dropon.parentNode);if(sortable&&!sortable.ghosting)return;if(!Sortable._marker){Sortable._marker=$('dropmarker')||document.createElement('DIV');Element.hide(Sortable._marker);Element.addClassName(Sortable._marker,'dropmarker');Sortable._marker.style.position='absolute';document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);}
var offsets=Position.cumulativeOffset(dropon);Sortable._marker.style.left=offsets[0]+'px';Sortable._marker.style.top=offsets[1]+'px';if(position=='after')
if(sortable.overlap=='horizontal')
Sortable._marker.style.left=(offsets[0]+dropon.clientWidth)+'px';else
Sortable._marker.style.top=(offsets[1]+dropon.clientHeight)+'px';Element.show(Sortable._marker);},_tree:function(element,options,parent){var children=Sortable.findElements(element,options)||[];for(var i=0;i<children.length;++i){var match=children[i].id.match(options.format);if(!match)continue;var child={id:encodeURIComponent(match?match[1]:null),element:element,parent:parent,children:new Array,position:parent.children.length,container:Sortable._findChildrenElement(children[i],options.treeTag.toUpperCase())}
if(child.container)
this._tree(child.container,options,child)
parent.children.push(child);}
return parent;},_findChildrenElement:function(element,containerTag){if(element&&element.hasChildNodes)
for(var i=0;i<element.childNodes.length;++i)
if(element.childNodes[i].tagName==containerTag)
return element.childNodes[i];return null;},tree:function(element){element=$(element);var sortableOptions=this.options(element);var options=Object.extend({tag:sortableOptions.tag,treeTag:sortableOptions.treeTag,only:sortableOptions.only,name:element.id,format:sortableOptions.format},arguments[1]||{});var root={id:null,parent:null,children:new Array,container:element,position:0}
return Sortable._tree(element,options,root);},_constructIndex:function(node){var index='';do{if(node.id)index='['+node.position+']'+index;}while((node=node.parent)!=null);return index;},sequence:function(element){element=$(element);var options=Object.extend(this.options(element),arguments[1]||{});return $(this.findElements(element,options)||[]).map(function(item){return item.id.match(options.format)?item.id.match(options.format)[1]:'';});},setSequence:function(element,new_sequence){element=$(element);var options=Object.extend(this.options(element),arguments[2]||{});var nodeMap={};this.findElements(element,options).each(function(n){if(n.id.match(options.format))
nodeMap[n.id.match(options.format)[1]]=[n,n.parentNode];n.parentNode.removeChild(n);});new_sequence.each(function(ident){var n=nodeMap[ident];if(n){n[1].appendChild(n[0]);delete nodeMap[ident];}});},serialize:function(element){element=$(element);var options=Object.extend(Sortable.options(element),arguments[1]||{});var name=encodeURIComponent((arguments[1]&&arguments[1].name)?arguments[1].name:element.id);if(options.tree){return Sortable.tree(element,arguments[1]).children.map(function(item){return[name+Sortable._constructIndex(item)+"[id]="+
encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));}).flatten().join('&');}else{return Sortable.sequence(element,arguments[1]).map(function(item){return name+"[]="+encodeURIComponent(item);}).join('&');}}}
Element.isParent=function(child,element){if(!child.parentNode||child==element)return false;if(child.parentNode==element)return true;return Element.isParent(child.parentNode,element);}
Element.findChildren=function(element,only,recursive,tagName){if(!element.hasChildNodes())return null;tagName=tagName.toUpperCase();if(only)only=[only].flatten();var elements=[];$A(element.childNodes).each(function(e){if(e.tagName&&e.tagName.toUpperCase()==tagName&&(!only||(Element.classNames(e).detect(function(v){return only.include(v)}))))
elements.push(e);if(recursive){var grandchildren=Element.findChildren(e,only,recursive,tagName);if(grandchildren)elements.push(grandchildren);}});return(elements.length>0?elements.flatten():[]);}
Element.offsetSize=function(element,type){if(type=='vertical'||type=='height')
return element.offsetHeight;else
return element.offsetWidth;}
if(!Control)var Control={};Control.Slider=Class.create();Control.Slider.prototype={initialize:function(handle,track,options){var slider=this;if(handle instanceof Array){this.handles=handle.collect(function(e){return $(e)});}else{this.handles=[$(handle)];}
this.track=$(track);this.options=options||{};this.axis=this.options.axis||'horizontal';this.increment=this.options.increment||1;this.step=parseInt(this.options.step||'1');this.range=this.options.range||$R(0,1);this.value=0;this.values=this.handles.map(function(){return 0});this.spans=this.options.spans?this.options.spans.map(function(s){return $(s)}):false;this.options.startSpan=$(this.options.startSpan||null);this.options.endSpan=$(this.options.endSpan||null);this.restricted=this.options.restricted||false;this.maximum=this.options.maximum||this.range.end;this.minimum=this.options.minimum||this.range.start;this.alignX=parseInt(this.options.alignX||'0');this.alignY=parseInt(this.options.alignY||'0');this.trackLength=this.maximumOffset()-this.minimumOffset();this.handleLength=this.isVertical()?(this.handles[0].offsetHeight!=0?this.handles[0].offsetHeight:this.handles[0].style.height.replace(/px$/,"")):(this.handles[0].offsetWidth!=0?this.handles[0].offsetWidth:this.handles[0].style.width.replace(/px$/,""));this.active=false;this.dragging=false;this.disabled=false;if(this.options.disabled)this.setDisabled();this.allowedValues=this.options.values?this.options.values.sortBy(Prototype.K):false;if(this.allowedValues){this.minimum=this.allowedValues.min();this.maximum=this.allowedValues.max();}
this.eventMouseDown=this.startDrag.bindAsEventListener(this);this.eventMouseUp=this.endDrag.bindAsEventListener(this);this.eventMouseMove=this.update.bindAsEventListener(this);this.handles.each(function(h,i){i=slider.handles.length-1-i;slider.setValue(parseFloat((slider.options.sliderValue instanceof Array?slider.options.sliderValue[i]:slider.options.sliderValue)||slider.range.start),i);Element.makePositioned(h);Event.observe(h,"mousedown",slider.eventMouseDown);});Event.observe(this.track,"mousedown",this.eventMouseDown);Event.observe(document,"mouseup",this.eventMouseUp);Event.observe(document,"mousemove",this.eventMouseMove);this.initialized=true;},dispose:function(){var slider=this;Event.stopObserving(this.track,"mousedown",this.eventMouseDown);Event.stopObserving(document,"mouseup",this.eventMouseUp);Event.stopObserving(document,"mousemove",this.eventMouseMove);this.handles.each(function(h){Event.stopObserving(h,"mousedown",slider.eventMouseDown);});},setDisabled:function(){this.disabled=true;},setEnabled:function(){this.disabled=false;},getNearestValue:function(value){if(this.allowedValues){if(value>=this.allowedValues.max())return(this.allowedValues.max());if(value<=this.allowedValues.min())return(this.allowedValues.min());var offset=Math.abs(this.allowedValues[0]-value);var newValue=this.allowedValues[0];this.allowedValues.each(function(v){var currentOffset=Math.abs(v-value);if(currentOffset<=offset){newValue=v;offset=currentOffset;}});return newValue;}
if(value>this.range.end)return this.range.end;if(value<this.range.start)return this.range.start;return value;},setValue:function(sliderValue,handleIdx){if(!this.active){this.activeHandleIdx=handleIdx||0;this.activeHandle=this.handles[this.activeHandleIdx];this.updateStyles();}
handleIdx=handleIdx||this.activeHandleIdx||0;if(this.initialized&&this.restricted){if((handleIdx>0)&&(sliderValue<this.values[handleIdx-1]))
sliderValue=this.values[handleIdx-1];if((handleIdx<(this.handles.length-1))&&(sliderValue>this.values[handleIdx+1]))
sliderValue=this.values[handleIdx+1];}
sliderValue=this.getNearestValue(sliderValue);this.values[handleIdx]=sliderValue;this.value=this.values[0];this.handles[handleIdx].style[this.isVertical()?'top':'left']=this.translateToPx(sliderValue);this.drawSpans();if(!this.dragging||!this.event)this.updateFinished();},setValueBy:function(delta,handleIdx){this.setValue(this.values[handleIdx||this.activeHandleIdx||0]+delta,handleIdx||this.activeHandleIdx||0);},translateToPx:function(value){return Math.round(((this.trackLength-this.handleLength)/(this.range.end-this.range.start))*(value-this.range.start))+"px";},translateToValue:function(offset){return((offset/(this.trackLength-this.handleLength)*(this.range.end-this.range.start))+this.range.start);},getRange:function(range){var v=this.values.sortBy(Prototype.K);range=range||0;return $R(v[range],v[range+1]);},minimumOffset:function(){return(this.isVertical()?this.alignY:this.alignX);},maximumOffset:function(){return(this.isVertical()?(this.track.offsetHeight!=0?this.track.offsetHeight:this.track.style.height.replace(/px$/,""))-this.alignY:(this.track.offsetWidth!=0?this.track.offsetWidth:this.track.style.width.replace(/px$/,""))-this.alignY);},isVertical:function(){return(this.axis=='vertical');},drawSpans:function(){var slider=this;if(this.spans)
$R(0,this.spans.length-1).each(function(r){slider.setSpan(slider.spans[r],slider.getRange(r))});if(this.options.startSpan)
this.setSpan(this.options.startSpan,$R(0,this.values.length>1?this.getRange(0).min():this.value));if(this.options.endSpan)
this.setSpan(this.options.endSpan,$R(this.values.length>1?this.getRange(this.spans.length-1).max():this.value,this.maximum));},setSpan:function(span,range){if(this.isVertical()){span.style.top=this.translateToPx(range.start);span.style.height=this.translateToPx(range.end-range.start+this.range.start);}else{span.style.left=this.translateToPx(range.start);span.style.width=this.translateToPx(range.end-range.start+this.range.start);}},updateStyles:function(){this.handles.each(function(h){Element.removeClassName(h,'selected')});Element.addClassName(this.activeHandle,'selected');},startDrag:function(event){if(Event.isLeftClick(event)){if(!this.disabled){this.active=true;var handle=Event.element(event);var pointer=[Event.pointerX(event),Event.pointerY(event)];var track=handle;if(track==this.track){var offsets=Position.cumulativeOffset(this.track);this.event=event;this.setValue(this.translateToValue((this.isVertical()?pointer[1]-offsets[1]:pointer[0]-offsets[0])-(this.handleLength/2)));var offsets=Position.cumulativeOffset(this.activeHandle);this.offsetX=(pointer[0]-offsets[0]);this.offsetY=(pointer[1]-offsets[1]);}else{while((this.handles.indexOf(handle)==-1)&&handle.parentNode)
handle=handle.parentNode;this.activeHandle=handle;this.activeHandleIdx=this.handles.indexOf(this.activeHandle);this.updateStyles();var offsets=Position.cumulativeOffset(this.activeHandle);this.offsetX=(pointer[0]-offsets[0]);this.offsetY=(pointer[1]-offsets[1]);}}
Event.stop(event);}},update:function(event){if(this.active){if(!this.dragging)this.dragging=true;this.draw(event);if(navigator.appVersion.indexOf('AppleWebKit')>0)window.scrollBy(0,0);Event.stop(event);}},draw:function(event){var pointer=[Event.pointerX(event),Event.pointerY(event)];var offsets=Position.cumulativeOffset(this.track);pointer[0]-=this.offsetX+offsets[0];pointer[1]-=this.offsetY+offsets[1];this.event=event;this.setValue(this.translateToValue(this.isVertical()?pointer[1]:pointer[0]));if(this.initialized&&this.options.onSlide)
this.options.onSlide(this.values.length>1?this.values:this.value,this);},endDrag:function(event){if(this.active&&this.dragging){this.finishDrag(event,true);Event.stop(event);}
this.active=false;this.dragging=false;},finishDrag:function(event,success){this.active=false;this.dragging=false;this.updateFinished();},updateFinished:function(){if(this.initialized&&this.options.onChange)
this.options.onChange(this.values.length>1?this.values:this.value,this);this.event=null;}}