var Starboxes={inverse:false,locked:false,onRate:Prototype.emptyFunction,overlayImages:'../images/starbox/',overlay:'default.png',rerate:false,REQUIRED_Prototype:'1.6.0',REQUIRED_Scriptaculous:'1.8.0',load:function(){this.require('Prototype');var srcMatch=/starbox\.js$/;this.imageSource=(($$("head script[src]").find(function(s){return s.src.match(srcMatch);})||{}).src||'').replace(srcMatch,'')+this.overlayImages;},require:function(library){if((typeof window[library]=='undefined')||(this.convertVersionString(window[library].Version)<this.convertVersionString(this['REQUIRED_'+library])))
throw('Starbox requires '+library+' >= '+this['REQUIRED_'+library]);},convertVersionString:function(versionString){var r=versionString.split('.');return parseInt(r[0])*100000+parseInt(r[1])*1000+parseInt(r[2]);},fixIE:(function(agent){var version=new RegExp('MSIE ([\\d.]+)').exec(agent);return version?(parseFloat(version[1])<=6):false;})(navigator.userAgent),imagecache:[],cacheImage:function(imageInfo){if(!this.getCachedImage(imageInfo.src))this.imagecache.push(imageInfo);return imageInfo;},getCachedImage:function(src){return this.imagecache.find(function(imageInfo){return imageInfo.src==src});},buildQueue:[],queueBuild:function(starbox){this.buildQueue.push(starbox);},processBuildQueue:function(){if(!this.buildQueue[0]){this.batchLoading=true;return;}
this.cacheBuildBatch(this.buildQueue[0]);},cacheBuildBatch:function(starbox){var set=[];var overlay=starbox.options.overlay;var imageInfo=this.getCachedImage(overlay);this.buildQueue.each(function(s){if(s.options.overlay==overlay){set.push(s);this.buildQueue=this.buildQueue.without(s);}}.bind(this));if(!imageInfo){var starImage=new Image();starImage.onload=function(){var imageInfo=this.cacheImage({src:overlay,height:starImage.height,width:starImage.width,fullsrc:starImage.src});this.buildBatch(set,imageInfo);}.bind(this);starImage.src=Starboxes.imageSource+overlay;}
else{this.buildBatch(set,imageInfo);}},buildBatch:function(set,imageInfo){set.each(function(s){s.imageInfo=imageInfo;s.build();});this.processBuildQueue();}};Starboxes.load();document.observe('dom:loaded',Starboxes.processBuildQueue.bind(Starboxes));var Starbox=Class.create({initialize:function(element,average){this.element=$(element),this.average=average;this.options=Object.extend({buttons:10,className:'default',color:false,duration:0.6,effect:{mouseover:false,mouseout:(window.Effect&&Effect.Morph)},hoverColor:false,hoverClass:'hover',ghostColor:false,ghosting:false,ratedClass:'rated',identity:false,indicator:false,inverse:Starboxes.inverse,locked:false,max:10,onRate:Starboxes.onRate,rerate:Starboxes.rerate,rated:false,overlay:Starboxes.overlay,stars:10,total:0},arguments[2]||{});this.rated=this.options.rated;this.total=this.options.total;this.locked=this.options.locked||(this.rated&&!this.options.rerate);if(this.options.effect&&(this.options.effect.mouseover||this.options.effect.mouseout))
Starboxes.require('Scriptaculous');Starboxes.queueBuild(this);if(Starboxes.batchLoading)Starboxes.processBuildQueue();},enable:function(){if(!Prototype.Browser.IE){this.onMouseout=this.onMouseout.wrap(function(proceed,event){var rel=event.relatedTarget,cur=event.currentTarget;if(rel&&rel.nodeType==Node.TEXT_NODE)rel=rel.parentNode;if(rel&&rel!=cur&&!(rel.descendantOf(cur)))
proceed(event);});}
$w('mouseout mouseover click').each(function(e){var E=e.capitalize();this['on'+E+'_cached']=this['on'+E].bindAsEventListener(this);this.starbar.observe(e,this['on'+E+'_cached']);}.bind(this));this.buttons.invoke('setStyle',{cursor:'pointer'});},disable:function(){$w('mouseover mouseout click').each(function(e){this.starbar.stopObserving(e,this['on'+e.capitalize()+'_cached']);}.bind(this));this.buttons.invoke('setStyle',{cursor:'auto'});},build:function(){this.starWidth=this.imageInfo.width;this.starHeight=this.imageInfo.height;this.starSrc=this.imageInfo.fullsrc;this.boxWidth=this.starWidth*this.options.stars;this.buttonWidth=this.boxWidth/this.options.buttons;this.buttonRating=this.options.max/this.options.buttons;if(this.options.effect){this.zeroPosition=this.getBarPosition(0);this.maxPosition=this.getBarPosition(this.options.max);}
var styles={absolute:{position:'absolute',top:0,left:0,width:this.boxWidth+'px',height:this.starHeight+'px'},base:{position:'relative',width:this.boxWidth+'px',height:this.starHeight+'px'},star:{position:'absolute',top:0,left:0,width:this.starWidth+'px',height:this.starHeight+'px'}};this.element.addClassName('starbox');this.container=new Element('div',{'class':this.options.className||''}).setStyle({position:'relative'});this.status=this.container.appendChild(new Element('div'));if(this.rated)this.status.addClassName('rated');if(this.locked)this.status.addClassName('locked');this.hover=this.status.appendChild(new Element('div'));this.wrapper=this.hover.appendChild(new Element('div',{'class':'stars'}));this.wrapper.setStyle(Object.extend({overflow:'hidden'},styles.base));if(this.options.ghosting){this.ghost=this.wrapper.appendChild(new Element('div',{'class':'ghost'}).setStyle(styles.absolute));if(this.options.ghostColor)this.ghost.setStyle({background:this.options.ghostColor});if(this.options.effect)this.ghost.scope=this.ghost.identify();this.setBarPosition(this.ghost,this.average,(window.Effect&&Effect.Morph));}
this.colorbar=this.wrapper.appendChild(new Element('div',{'class':'colorbar'}).setStyle(styles.absolute));if(this.options.color)this.colorbar.setStyle({background:this.options.color});if(this.options.effect)this.colorbar.scope=this.colorbar.identify();var starWrapper=this.wrapper.appendChild(new Element('div').setStyle(styles.absolute));this.starbar=starWrapper.appendChild(new Element('div').setStyle(styles.base));this.options.stars.times(function(i){var star=this.starbar.appendChild(new Element('div').setStyle(Object.extend({background:'url('+this.starSrc+') top left no-repeat'},styles.star)));star.setStyle({left:this.starWidth*i+'px'});if(Starboxes.fixIE){star.setStyle({background:'none','filter':'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\''+
this.starSrc+'\'\', sizingMethod=\'scale\')'});}}.bind(this));this.buttons=[];this.options.buttons.times(function(i){var leftPos=this.options.inverse?this.boxWidth-this.buttonWidth*(i+1):this.buttonWidth*i;var button=this.starbar.appendChild(new Element('div',{href:'javascript:;'}).setStyle({position:'absolute',top:0,left:leftPos+'px',width:this.buttonWidth+(Prototype.Browser.IE?1:0)+'px',height:this.starHeight+'px'}));button.rating=this.buttonRating*i+this.buttonRating;this.buttons.push(button);}.bind(this));this.setBarPosition(this.colorbar,this.average);this.element.update(this.container);if(this.options.indicator){this.indicator=this.hover.appendChild(new Element('div',{'class':'indicator'}));this.updateIndicator();}
if(!this.locked)this.enable();},updateAverage:function(increment){if(this.rated&&this.options.rerate)
this.average=(this.total*this.average-this.rated)/(this.total-1||1);var total=this.rated?this.total:this.total++;this.average=(this.average==0)?increment:(this.average*(this.rated?total-1:total)+increment)/(this.rated?total:total+1);},updateIndicator:function(){this.indicator.update(new Template(this.options.indicator).evaluate({max:this.options.max,total:this.total,average:(this.average*10).round()/10}));},getBarPosition:function(rating){var position=(this.boxWidth-(rating/this.buttonRating)*this.buttonWidth);return parseInt(this.options.inverse?position.ceil():-1*position.floor());},setBarPosition:function(element,rating){if(this.options.effect&&this['activeEffect_'+element.scope])
Effect.Queues.get(element.scope).remove(this['activeEffect_'+element.scope]);var left=this.getBarPosition(rating);if(arguments[2]){var current=parseInt(element.getStyle('left'));var to=this.getBarPosition(rating);if(current==to)return;var mspeed=((this.maxPosition-(current-to).abs()).abs()/this.zeroPosition.abs()).toFixed(2);this['activeEffect_'+element.scope]=new Effect.Morph(element,{style:{left:left+'px'},queue:{position:'end',limit:1,scope:element.scope},duration:(this.options.duration*mspeed)});}
else{element.setStyle({left:left+'px'});}},onClick:function(event){var element=event.element();if(!element.rating)return;this.updateAverage(element.rating);if(this.options.indicator)this.updateIndicator();if(this.options.ghosting)this.setBarPosition(this.ghost,this.average,(window.Effect&&Effect.Morph));if(!this.rated)this.status.addClassName('rated');var rerated=!!this.rated;this.rated=element.rating;if(!this.options.rerate){this.disable();this.status.addClassName('locked');this.onMouseout(event);}
var info={average:this.average,identity:this.options.identity,max:this.options.max,rated:element.rating,rerated:rerated,total:this.total};this.options.onRate(this.element,info);this.element.fire('starbox:rated');},onMouseout:function(event){this.setBarPosition(this.colorbar,this.average,(this.options.effect&&this.options.effect.mouseout));this.hovered=false;if(this.options.hoverClass)this.hover.removeClassName(this.options.hoverClass);if(this.options.hoverColor)this.colorbar.setStyle({background:this.options.color});},onMouseover:function(event){var element=event.element();if(!element.rating)return;this.setBarPosition(this.colorbar,element.rating,(this.options.effect&&this.options.effect.mouseover));if(!this.hovered&&this.options.hoverClass)this.hover.addClassName(this.options.hoverClass);this.hovered=true;if(this.options.hoverColor)this.colorbar.setStyle({background:this.options.hoverColor});}});