LightboxOptions=Object.extend({fileLoadingImage:"/images/loading.gif",fileBottomNavCloseImage:"/images/closelabel.gif",overlayOpacity:0.8,animate:true,resizeSpeed:7,borderSize:10,labelImage:"Image",labelOf:"of"},window.LightboxOptions||{});var Lightbox=Class.create();Lightbox.prototype={imageArray:[],activeImage:undefined,initialize:function(){this.updateImageList();this.keyboardAction=this.keyboardAction.bindAsEventListener(this);if(LightboxOptions.resizeSpeed>10){LightboxOptions.resizeSpeed=10}if(LightboxOptions.resizeSpeed<1){LightboxOptions.resizeSpeed=1}this.resizeDuration=LightboxOptions.animate?((11-LightboxOptions.resizeSpeed)*0.15):0;this.overlayDuration=LightboxOptions.animate?0.2:0;var a=(LightboxOptions.animate?250:1)+"px";var b=$$("body")[0];b.appendChild(Builder.node("div",{id:"overlay"}));b.appendChild(Builder.node("div",{id:"lightbox"},[Builder.node("div",{id:"outerImageContainer"},Builder.node("div",{id:"imageContainer"},[Builder.node("img",{id:"lightboxImage"}),Builder.node("div",{id:"hoverNav"},[Builder.node("a",{id:"prevLink",href:"#"}),Builder.node("a",{id:"nextLink",href:"#"})]),Builder.node("div",{id:"loading"},Builder.node("a",{id:"loadingLink",href:"#"},Builder.node("img",{src:LightboxOptions.fileLoadingImage})))])),Builder.node("div",{id:"imageDataContainer"},Builder.node("div",{id:"imageData"},[Builder.node("div",{id:"imageDetails"},[Builder.node("span",{id:"caption"}),Builder.node("span",{id:"numberDisplay"})]),Builder.node("div",{id:"bottomNav"},Builder.node("a",{id:"bottomNavClose",href:"#"},Builder.node("img",{src:LightboxOptions.fileBottomNavCloseImage})))]))]));$("overlay").hide().observe("click",(function(){this.end()}).bind(this));$("lightbox").hide().observe("click",(function(d){if(d.element().id=="lightbox"){this.end()}}).bind(this));$("outerImageContainer").setStyle({width:a,height:a});$("prevLink").observe("click",(function(d){d.stop();this.changeImage(this.activeImage-1)}).bindAsEventListener(this));$("nextLink").observe("click",(function(d){d.stop();this.changeImage(this.activeImage+1)}).bindAsEventListener(this));$("loadingLink").observe("click",(function(d){d.stop();this.end()}).bind(this));$("bottomNavClose").observe("click",(function(d){d.stop();this.end()}).bind(this));var c=this;(function(){var d="overlay lightbox outerImageContainer imageContainer lightboxImage hoverNav prevLink nextLink loading loadingLink imageDataContainer imageData imageDetails caption numberDisplay bottomNav bottomNavClose";$w(d).each(function(e){c[e]=$(e)})}).defer()},updateImageList:function(){this.updateImageList=Prototype.emptyFunction;document.observe("click",(function(a){var b=a.findElement("a[rel^=lightbox]")||a.findElement("area[rel^=lightbox]");if(b){a.stop();this.start(b)}}).bind(this))},start:function(e){$$("select","object","embed").each(function(g){g.style.visibility="hidden"});var b=this.getPageSize();$("overlay").setStyle({width:b[0]+"px",height:b[1]+"px"});new Effect.Appear(this.overlay,{duration:this.overlayDuration,from:0,to:LightboxOptions.overlayOpacity});this.imageArray=[];var a=0;if((e.rel=="lightbox")){this.imageArray.push([e.href,e.title])}else{this.imageArray=$$(e.tagName+'[href][rel="'+e.rel+'"]').collect(function(g){return[g.href,g.title]}).uniq();while(this.imageArray[a][0]!=e.href){a++}}var d=document.viewport.getScrollOffsets();var c=d[1]+(document.viewport.getHeight()/10);var f=d[0];this.lightbox.setStyle({top:c+"px",left:f+"px"}).show();this.changeImage(a)},changeImage:function(a){this.activeImage=a;if(LightboxOptions.animate){this.loading.show()}this.lightboxImage.hide();this.hoverNav.hide();this.prevLink.hide();this.nextLink.hide();this.imageDataContainer.setStyle({opacity:0.0001});this.numberDisplay.hide();var b=new Image();b.onload=(function(){this.lightboxImage.src=this.imageArray[this.activeImage][0];this.resizeImageContainer(b.width,b.height)}).bind(this);b.src=this.imageArray[this.activeImage][0]},resizeImageContainer:function(d,i){var h=this.outerImageContainer.getWidth();var k=this.outerImageContainer.getHeight();var f=(d+LightboxOptions.borderSize*2);var a=(i+LightboxOptions.borderSize*2);var e=(f/h)*100;var g=(a/k)*100;var b=h-f;var j=k-a;if(j!=0){new Effect.Scale(this.outerImageContainer,g,{scaleX:false,duration:this.resizeDuration,queue:"front"})}if(b!=0){new Effect.Scale(this.outerImageContainer,e,{scaleY:false,duration:this.resizeDuration,delay:this.resizeDuration})}var c=0;if((j==0)&&(b==0)){c=100;if(Prototype.Browser.IE){c=250}}(function(){this.prevLink.setStyle({height:i+"px"});this.nextLink.setStyle({height:i+"px"});this.imageDataContainer.setStyle({width:f+"px"});this.showImage()}).bind(this).delay(c/1000)},showImage:function(){this.loading.hide();new Effect.Appear(this.lightboxImage,{duration:this.resizeDuration,queue:"end",afterFinish:(function(){this.updateDetails()}).bind(this)});this.preloadNeighborImages()},updateDetails:function(){if(this.imageArray[this.activeImage][1]!=""){this.caption.update(this.imageArray[this.activeImage][1]).show()}if(this.imageArray.length>1){this.numberDisplay.update(LightboxOptions.labelImage+" "+(this.activeImage+1)+" "+LightboxOptions.labelOf+"  "+this.imageArray.length).show()}new Effect.Parallel([new Effect.SlideDown(this.imageDataContainer,{sync:true,duration:this.resizeDuration,from:0,to:1}),new Effect.Appear(this.imageDataContainer,{sync:true,duration:this.resizeDuration})],{duration:this.resizeDuration,afterFinish:(function(){var a=this.getPageSize();this.overlay.setStyle({height:a[1]+"px"});this.updateNav()}).bind(this)})},updateNav:function(){this.hoverNav.show();if(this.activeImage>0){this.prevLink.show()}if(this.activeImage<(this.imageArray.length-1)){this.nextLink.show()}this.enableKeyboardNav()},enableKeyboardNav:function(){document.observe("keydown",this.keyboardAction)},disableKeyboardNav:function(){document.stopObserving("keydown",this.keyboardAction)},keyboardAction:function(d){var b=d.keyCode;var c;if(d.DOM_VK_ESCAPE){c=d.DOM_VK_ESCAPE}else{c=27}var a=String.fromCharCode(b).toLowerCase();if(a.match(/x|o|c/)||(b==c)){this.end()}else{if((a=="p")||(b==37)){if(this.activeImage!=0){this.disableKeyboardNav();this.changeImage(this.activeImage-1)}}else{if((a=="n")||(b==39)){if(this.activeImage!=(this.imageArray.length-1)){this.disableKeyboardNav();this.changeImage(this.activeImage+1)}}}}},preloadNeighborImages:function(){var b,a;if(this.imageArray.length>this.activeImage+1){b=new Image();b.src=this.imageArray[this.activeImage+1][0]}if(this.activeImage>0){a=new Image();a.src=this.imageArray[this.activeImage-1][0]}},end:function(){this.disableKeyboardNav();this.lightbox.hide();new Effect.Fade(this.overlay,{duration:this.overlayDuration});$$("select","object","embed").each(function(a){a.style.visibility="visible"})},getPageSize:function(){var b,a;if(window.innerHeight&&window.scrollMaxY){b=window.innerWidth+window.scrollMaxX;a=window.innerHeight+window.scrollMaxY}else{if(document.body.scrollHeight>document.body.offsetHeight){b=document.body.scrollWidth;a=document.body.scrollHeight}else{b=document.body.offsetWidth;a=document.body.offsetHeight}}var d,c;if(self.innerHeight){if(document.documentElement.clientWidth){d=document.documentElement.clientWidth}else{d=self.innerWidth}c=self.innerHeight}else{if(document.documentElement&&document.documentElement.clientHeight){d=document.documentElement.clientWidth;c=document.documentElement.clientHeight}else{if(document.body){d=document.body.clientWidth;c=document.body.clientHeight}}}if(a<c){pageHeight=c}else{pageHeight=a}if(b<d){pageWidth=b}else{pageWidth=d}return[pageWidth,pageHeight]}};document.observe("dom:loaded",function(){new Lightbox()});