o=document;u=o.documentElement;ca=true;cb=false;cc=window;ez=Image;LightboxOptions=Object.extend({fileLoadingImage:'images/loading.gif',fileBottomNavCloseImage:'images/closelabel.gif',overlayOpacity:0.8,animate:ca,resizeSpeed:7,borderSize:10,labelImage:"Image",labelOf:"of"},cc.LightboxOptions||{});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 size=(LightboxOptions.animate?250:1)+'px';var gg=$$('body')[0];gg.appendChild(Builder.node('div',{id:'overlay'}));gg.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(event){if(event.element().id=='lightbox')this.end();}).bind(this));$('outerImageContainer').setStyle({width:size,height:size});$('prevLink').observe('click',(function(event){event.stop();this.changeImage(this.activeImage-1);}).bindAsEventListener(this));$('nextLink').observe('click',(function(event){event.stop();this.changeImage(this.activeImage+1);}).bindAsEventListener(this));$('loadingLink').observe('click',(function(event){event.stop();this.end();}).bind(this));$('bottomNavClose').observe('click',(function(event){event.stop();this.end();}).bind(this));var th=this;(function(){var ids='overlay lightbox outerImageContainer imageContainer lightboxImage hoverNav prevLink nextLink loading loadingLink '+'imageDataContainer imageData imageDetails caption numberDisplay bottomNav bottomNavClose';$w(ids).each(function(id){th[id]=$(id);});}).defer();},updateImageList:function(){this.updateImageList=Prototype.emptyFunction;o.observe('click',(function(event){var target=event.findElement('a[rel^=lightbox]')||event.findElement('area[rel^=lightbox]');if(target){event.stop();this.start(target);}}).bind(this));},start:function(imageLink){$$('select','object','embed').each(function(node){node.style.visibility='hidden'});var arrayPageSize=this.getPageSize();$('overlay').setStyle({width:arrayPageSize[0]+'px',height:arrayPageSize[1]+'px'});new Effect.Appear(this.overlay,{duration:this.overlayDuration,from:0.0,to:LightboxOptions.overlayOpacity});this.imageArray=[];var imageNum=0;if((imageLink.rel=='lightbox')){this.imageArray.push([imageLink.href,imageLink.title]);}else{this.imageArray=$$(imageLink.tagName+'[href][rel="'+imageLink.rel+'"]').collect(function(anchor){return[anchor.href,anchor.title]}).uniq();while(this.imageArray[imageNum][0]!=imageLink.href){imageNum++}}var arrayPageScroll=o.viewport.getScrollOffsets();var lightboxTop=arrayPageScroll[1]+(o.viewport.getHeight()/10);var lightboxLeft=arrayPageScroll[0];this.lightbox.setStyle({top:lightboxTop+'px',left:lightboxLeft+'px'}).show();this.changeImage(imageNum);},changeImage:function(imageNum){this.activeImage=imageNum;if(LightboxOptions.animate)this.loading.show();this.lightboxImage.hide();this.hoverNav.hide();this.prevLink.hide();this.nextLink.hide();this.imageDataContainer.setStyle({opacity:.0001});this.numberDisplay.hide();var imgPreloader=new ez();imgPreloader.onload=(function(){this.lightboxImage.src=this.imageArray[this.activeImage][0];this.resizeImageContainer(imgPreloader.width,imgPreloader.height);}).bind(this);imgPreloader.src=this.imageArray[this.activeImage][0]},resizeImageContainer:function(imgWidth,imgHeight){var widthCurrent=this.outerImageContainer.getWidth();var heightCurrent=this.outerImageContainer.getHeight();var widthNew=(imgWidth+LightboxOptions.borderSize*2);var heightNew=(imgHeight+LightboxOptions.borderSize*2);var xScale=(widthNew/widthCurrent)*100;var hf=(heightNew/heightCurrent)*100;var gh=widthCurrent-widthNew;var gi=heightCurrent-heightNew;if(gi!=0)new Effect.Scale(this.outerImageContainer,hf,{scaleX:cb,duration:this.resizeDuration,queue:'front'});if(gh!=0)new Effect.Scale(this.outerImageContainer,xScale,{scaleY:cb,duration:this.resizeDuration,delay:this.resizeDuration});var timeout=0;if((gi==0)&&(gh==0)){timeout=100;if(Prototype.Browser.IE)timeout=250}(function(){this.prevLink.setStyle({height:imgHeight+'px'});this.nextLink.setStyle({height:imgHeight+'px'});this.imageDataContainer.setStyle({width:widthNew+'px'});this.showImage();}).bind(this).delay(timeout/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:ca,duration:this.resizeDuration,from:0.0,to:1.0}),new Effect.Appear(this.imageDataContainer,{sync:ca,duration:this.resizeDuration})],{duration:this.resizeDuration,afterFinish:(function(){var arrayPageSize=this.getPageSize();this.overlay.setStyle({height:arrayPageSize[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(){o.observe('keydown',this.keyboardAction);},disableKeyboardNav:function(){o.stopObserving('keydown',this.keyboardAction);},keyboardAction:function(event){var keycode=event.keyCode;var ga;if(event.DOM_VK_ESCAPE){ga=event.DOM_VK_ESCAPE}else{ga=27}var key=String.fromCharCode(keycode).toLowerCase();if(key.match(/x|o|c/)||(keycode==ga)){this.end();}else if((key=='p')||(keycode==37)){if(this.activeImage!=0){this.disableKeyboardNav();this.changeImage(this.activeImage-1);}}else if((key=='n')||(keycode==39)){if(this.activeImage!=(this.imageArray.length-1)){this.disableKeyboardNav();this.changeImage(this.activeImage+1);}}},preloadNeighborImages:function(){var preloadNextImage,preloadPrevImage;if(this.imageArray.length>this.activeImage+1){preloadNextImage=new ez();preloadNextImage.src=this.imageArray[this.activeImage+1][0]}if(this.activeImage>0){preloadPrevImage=new ez();preloadPrevImage.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(node){node.style.visibility='visible'});},getPageSize:function(){var xScroll,ek;if(cc.innerHeight&&cc.scrollMaxY){xScroll=cc.innerWidth+cc.scrollMaxX;ek=cc.innerHeight+cc.scrollMaxY}else if(o.body.scrollHeight>o.body.offsetHeight){xScroll=o.body.scrollWidth;ek=o.body.scrollHeight}else{xScroll=o.body.offsetWidth;ek=o.body.offsetHeight}var windowWidth,windowHeight;if(self.innerHeight){if(u.clientWidth){windowWidth=u.clientWidth}else{windowWidth=self.innerWidth}windowHeight=self.innerHeight}else if(u&&u.clientHeight){windowWidth=u.clientWidth;windowHeight=u.clientHeight}else if(o.body){windowWidth=o.body.clientWidth;windowHeight=o.body.clientHeight}if(ek<windowHeight){pageHeight=windowHeight}else{pageHeight=ek}if(xScroll<windowWidth){pageWidth=xScroll}else{pageWidth=windowWidth}return[pageWidth,pageHeight]}};o.observe('dom:loaded',function(){new Lightbox();});