LightboxOptions=Object.extend({overlayOpacity:0.8,animate:true,resizeSpeed:400,borderSize:10,loop:false,allowSave:false,slideshowAutoplay:false,slideshowInterval:3000,slideshowAutoclose:true,labelImage:"Image",labelOf:"of"},window.LightboxOptions||{});var Lightbox=Class.create();Lightbox.prototype={imageArray:[],activeImage:undefined,initialize:function(){var g,c,f,e,a,d;this.updateImageList();this.keyboardAction=this.keyboardAction.bindAsEventListener(this);if(LightboxOptions.animate){this.overlayDuration=LightboxOptions.resizeSpeed/1000;this.resizeDuration=LightboxOptions.resizeSpeed/1000}else{this.overlayDuration=0;this.resizeDuration=0}var h=(LightboxOptions.animate?250:1)+"px";var j=$$("body")[0];j.appendChild(Builder.node("div",{id:"overlay"}));j.appendChild(Builder.node("div",{id:"lbLightbox"},[Builder.node("div",{id:"lbOuterImageContainer"},Builder.node("div",{id:"lbImageContainer"},[Builder.node("img",{id:"lbLightboxImage"}),Builder.node("div",{id:"lbHoverNav"},[Builder.node("a",{id:"prevLink",href:"#"}),Builder.node("a",{id:"nextLink",href:"#"})]),Builder.node("div",{id:"lbLoading"},Builder.node("a",{id:"loadingLink",href:"#"}))])),Builder.node("div",{id:"lbImageDataContainer"},Builder.node("div",{id:"lbImageData"},[Builder.node("div",{id:"lbImageDetails"},[Builder.node("span",{id:"lbCaption"}),Builder.node("span",{id:"lbNumberDisplay"}),Builder.node("span",{id:"lbPresent"})]),Builder.node("div",{id:"lbBottomNav"},[Builder.node("a",{id:"closeLink",href:"#"}),Builder.node("a",{id:"playLink",href:"#"}),Builder.node("a",{id:"pauseLink",href:"#"}),Builder.node("a",{id:"saveLink",href:"#",target:"_blank"})])]))]));$("overlay").hide().observe("click",(function(){this.end()}).bind(this));$("lbLightbox").hide().observe("click",(function(k){if(k.element().id=="lbLightbox"){this.end()}}).bind(this));$("lbOuterImageContainer").setStyle({width:h,height:h});$("prevLink").observe("click",(function(k){k.stop();this.previous()}).bindAsEventListener(this));$("nextLink").observe("click",(function(k){k.stop();this.next()}).bindAsEventListener(this));$("loadingLink").observe("click",(function(k){k.stop();this.end()}).bind(this));$("playLink").observe("click",(function(k){k.stop();this.play()}).bindAsEventListener(this));$("pauseLink").observe("click",(function(k){k.stop();this.pause()}).bindAsEventListener(this));$("closeLink").observe("click",(function(k){k.stop();this.end()}).bind(this));var b=this;(function(){var k="overlay lbLightbox lbOuterImageContainer lbImageContainer lbLightboxImage lbHoverNav prevLink nextLink lbLoading loadingLink lbImageDataContainer lbImageData lbImageDetails lbCaption lbNumberDisplay lbPresent lbBottomNav playLink pauseLink saveLink closeLink";$w(k).each(function(l){b[l]=$(l)})}).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){b.rel.match(/present.+/)?this.presentationMode=true:this.presentationMode=false;b.rel.match(/slideshow.+/)?this.slideshowMode=true:this.slideshowMode=false;this.slideshowActive=LightboxOptions.slideshowAutoplay&&this.slideshowMode;a.stop();this.start(b)}}).bind(this))},start:function(f){$$("select","object","embed").each(function(g){g.style.visibility="hidden"});var c=this.getPageSize();$("overlay").setStyle({width:c[0]+"px",height:c[1]+"px"});new Effect.Appear(this.overlay,{duration:this.overlayDuration,from:0,to:LightboxOptions.overlayOpacity});this.imageArray=[];var b=0;if((f.rel=="lightbox")){this.imageArray.push([f.href,f.title])}else{this.imageArray=$$(f.tagName+'[href][rel="'+f.rel+'"]').collect(function(g){return[g.href,g.title]}).uniq();while(this.imageArray[b][0]!=f.href){b++}}var a=document.viewport.getScrollOffsets();var e=a[1]+(document.viewport.getHeight()/10);var d=a[0];this.lbLightbox.setStyle({top:e+"px",left:d+"px"}).show();this.changeImage(b)},previous:function(){this.changeImage(this.prevImage)},next:function(){this.changeImage(this.nextImage)},changeImage:function(b){this.activeImage=b;LightboxOptions.loop=LightboxOptions.loop&&(this.imageArray.length>1);this.prevImage=(this.activeImage||(LightboxOptions.loop?this.imageArray.length:0))-1;this.nextImage=((this.activeImage+1)%this.imageArray.length)||(LightboxOptions.loop?0:-1);if(LightboxOptions.animate){this.lbLoading.show()}this.lbLightboxImage.hide();this.lbHoverNav.hide();this.prevLink.hide();this.nextLink.hide();this.lbImageDataContainer.setStyle({opacity:0.0001});this.lbNumberDisplay.hide();var a=new Image();a.onload=(function(){this.lbLightboxImage.src=this.imageArray[this.activeImage][0];this.resizeImageContainer(a.width,a.height)}).bind(this);a.src=this.imageArray[this.activeImage][0];if(LightboxOptions.allowSave){this.saveLink.setAttribute("href",this.imageArray[this.activeImage][0]);this.saveLink.setStyle({display:""})}else{this.saveLink.setStyle({display:"none"})}},resizeImageContainer:function(e,f){var h=this.lbOuterImageContainer.getWidth();var c=this.lbOuterImageContainer.getHeight();var g=(e+LightboxOptions.borderSize*2);var k=(f+LightboxOptions.borderSize*2);var l=(g/h)*100;var b=(k/c)*100;var j=h-g;var a=c-k;if(a!=0){new Effect.Scale(this.lbOuterImageContainer,b,{scaleX:false,duration:this.resizeDuration,queue:"front"})}if(j!=0){new Effect.Scale(this.lbOuterImageContainer,l,{scaleY:false,duration:this.resizeDuration,delay:this.resizeDuration})}var d=0;if((a==0)&&(j==0)){d=100;if(Prototype.Browser.IE){d=250}}(function(){this.prevLink.setStyle({height:f+"px"});this.nextLink.setStyle({height:f+"px"});this.lbImageDataContainer.setStyle({width:g+"px"});this.showImage()}).bind(this).delay(d/1000)},showImage:function(){this.lbLoading.hide();new Effect.Appear(this.lbLightboxImage,{duration:this.resizeDuration,queue:"end",afterFinish:(function(){this.updateDetails()}).bind(this)});this.preloadNeighborImages()},updateDetails:function(){this.lbNumberDisplay.update("");this.lbCaption.update("");if(this.imageArray.length>1){this.lbNumberDisplay.update(LightboxOptions.labelImage+" "+(this.activeImage+1)+" "+LightboxOptions.labelOf+"  "+this.imageArray.length).show()}if(this.presentationMode){this.lbNumberDisplay.setStyle({display:"none"});this.lbPresent.update("").setStyle({display:""});for(i=0;i<this.imageArray.length;i++){var b=this.activeImage==i?"act":"no";var a=new Element("a",{id:"pmi"+(i+1),"class":b,href:"#"});i<9?a.update("0"+(i+1)):a.update(i+1);a.observe("click",(function(e){e.stop();var d=Event.findElement(e,"a");var c=parseInt(d.innerHTML)-1;this.pause();this.changeImage(c)}).bindAsEventListener(this));this.lbPresent.insert({bottom:a})}}else{this.lbNumberDisplay.setStyle({display:""});this.lbPresent.setStyle({display:"none"})}this.playLink.setStyle({display:"none"});this.pauseLink.setStyle({display:"none"});if(this.slideshowMode){clearTimeout(this.slideshowTimer);if(this.slideshowActive){this.pauseLink.setStyle({display:""});if(this.activeImage!=(this.imageArray.length-1)){this.slideshowTimer=setTimeout(this.next.bind(this),LightboxOptions.slideshowInterval)}else{if(LightboxOptions.slideshowAutoclose){this.slideshowTimer=setTimeout(this.end.bind(this),LightboxOptions.slideshowInterval)}else{if(LightboxOptions.loop){this.slideshowTimer=setTimeout(this.changeImage.bind(this,0),LightboxOptions.slideshowInterval)}else{this.pause()}}}}else{this.playLink.setStyle({display:""})}}new Effect.Parallel([new Effect.SlideDown(this.lbImageDataContainer,{sync:true,duration:this.resizeDuration,from:0,to:1}),new Effect.Appear(this.lbImageDataContainer,{sync:true,duration:this.resizeDuration})],{duration:this.resizeDuration,afterFinish:(function(){var c=this.getPageSize();this.overlay.setStyle({height:c[1]+"px"});this.updateNav()}).bind(this)})},updateNav:function(){this.lbHoverNav.show();if(this.prevImage>=0){this.prevLink.show()}if(this.nextImage>=0){this.nextLink.show()}this.enableKeyboardNav()},enableKeyboardNav:function(){document.observe("keydown",this.keyboardAction)},disableKeyboardNav:function(){document.stopObserving("keydown",this.keyboardAction)},keyboardAction:function(d){var a=d.keyCode;var b;if(d.DOM_VK_ESCAPE){b=d.DOM_VK_ESCAPE}else{b=27}var c=String.fromCharCode(a).toLowerCase();if(c.match(/x|o|c/)||(a==b)){this.end()}else{if((c=="s")||(a==83)){this.togglePlayPause()}else{if((c=="p")||(a==37)){if(this.activeImage!=0){this.disableKeyboardNav();this.changeImage(this.activeImage-1)}}else{if((c=="n")||(a==39)){if(this.activeImage!=(this.imageArray.length-1)){this.disableKeyboardNav();this.changeImage(this.activeImage+1)}}}}}},preloadNeighborImages:function(){var a,b;if(this.imageArray.length>this.activeImage+1){a=new Image();a.src=this.imageArray[this.activeImage+1][0]}if(this.activeImage>0){b=new Image();b.src=this.imageArray[this.activeImage-1][0]}},togglePlayPause:function(){if(this.slideshowActive){this.pause()}else{this.play()}},play:function(){this.slideshowActive=true;if(this.activeImage!=(this.imageArray.length-1)){this.changeImage(this.activeImage+1)}else{if(LightboxOptions.slideshowAutoclose&&!LightboxOptions.loop){this.slideshowTimer=setTimeout(this.end.bind(this),0)}else{if(LightboxOptions.loop){this.changeImage(0)}else{}}}},pause:function(){this.slideshowActive=false;clearTimeout(this.slideshowTimer);this.playLink.setStyle({display:""});this.pauseLink.setStyle({display:"none"})},end:function(){this.pause();this.disableKeyboardNav();this.lbLightbox.hide();new Effect.Fade(this.overlay,{duration:this.overlayDuration});$$("select","object","embed").each(function(a){a.style.visibility="visible"})},getPageSize:function(){var c,a;if(window.innerHeight&&window.scrollMaxY){c=window.innerWidth+window.scrollMaxX;a=window.innerHeight+window.scrollMaxY}else{if(document.body.scrollHeight>document.body.offsetHeight){c=document.body.scrollWidth;a=document.body.scrollHeight}else{c=document.body.offsetWidth;a=document.body.offsetHeight}}var b,d;if(self.innerHeight){if(document.documentElement.clientWidth){b=document.documentElement.clientWidth}else{b=self.innerWidth}d=self.innerHeight}else{if(document.documentElement&&document.documentElement.clientHeight){b=document.documentElement.clientWidth;d=document.documentElement.clientHeight}else{if(document.body){b=document.body.clientWidth;d=document.body.clientHeight}}}if(a<d){pageHeight=d}else{pageHeight=a}if(c<b){pageWidth=c}else{pageWidth=b}return[pageWidth,pageHeight]}};document.observe("dom:loaded",function(){new Lightbox()});