var overlayOpacity=0.8;var animate=true;var resizeSpeed=9;var borderSize=10;var imageArray=new Array;var activeImage;if(animate==true){overlayDuration=0.2;if(resizeSpeed>10){resizeSpeed=10}if(resizeSpeed<1){resizeSpeed=1}resizeDuration=(11-resizeSpeed)*0.15}else{overlayDuration=0;resizeDuration=0}Object.extend(Element,{getWidth:function(element){element=$(element);return element.offsetWidth},setWidth:function(element,w){element=$(element);element.style.width=w+"px"},setHeight:function(element,h){element=$(element);element.style.height=h+"px"},setTop:function(element,t){element=$(element);element.style.top=t+"px"},setLeft:function(element,l){element=$(element);element.style.left=l+"px"},setSrc:function(element,src){element=$(element);element.src=src},setHref:function(element,href){element=$(element);element.href=href},setInnerHTML:function(element,content){element=$(element);element.innerHTML=content}});Array.prototype.removeDuplicates=function(){for(i=0;i<this.length;i++){for(j=this.length-1;j>i;j--){if(this[i][0]==this[j][0]){this.splice(j,1)}}}};Array.prototype.empty=function(){for(i=0;i<=this.length;i++){this.shift()}};var Lightbox=Class.create();Lightbox.prototype={initialize:function(){this.updateImageList();var objBody=document.getElementsByTagName("body").item(0);var objOverlay=document.createElement("div");objOverlay.setAttribute("id","stimuli_overlay");objOverlay.style.display="none";objOverlay.onclick=function(){myLightbox.end()};objBody.appendChild(objOverlay);var objLightbox=document.createElement("div");objLightbox.setAttribute("id","stimuli_lightbox");objLightbox.style.display="none";objLightbox.onclick=function(e){if(!e){var e=window.event}var clickObj=Event.element(e).id;if(clickObj=="stimuli_lightbox"){myLightbox.end()}};objBody.appendChild(objLightbox);var objOuterImageContainer=document.createElement("div");objOuterImageContainer.setAttribute("id","stimuli_outerImageContainer");objLightbox.appendChild(objOuterImageContainer);if(animate){Element.setWidth("stimuli_outerImageContainer",250);Element.setHeight("stimuli_outerImageContainer",250)}else{Element.setWidth("stimuli_outerImageContainer",1);Element.setHeight("stimuli_outerImageContainer",1)}var objImageContainer=document.createElement("div");objImageContainer.setAttribute("id","stimuli_imageContainer");objOuterImageContainer.appendChild(objImageContainer);var objLightboxImage=document.createElement("img");objLightboxImage.setAttribute("id","stimuli_lightboxImage");objImageContainer.appendChild(objLightboxImage);var objHoverNav=document.createElement("div");objHoverNav.setAttribute("id","stimuli_hoverNav");objImageContainer.appendChild(objHoverNav);var objPrevLink=document.createElement("a");objPrevLink.setAttribute("id","stimuli_prevLink");objPrevLink.setAttribute("href","#");objHoverNav.appendChild(objPrevLink);var objNextLink=document.createElement("a");objNextLink.setAttribute("id","stimuli_nextLink");objNextLink.setAttribute("href","#");objHoverNav.appendChild(objNextLink);var objLoading=document.createElement("div");objLoading.setAttribute("id","stimuli_loading");objImageContainer.appendChild(objLoading);var objLoadingLink=document.createElement("a");objLoadingLink.setAttribute("id","stimuli_loadingLink");objLoadingLink.setAttribute("href","#");objLoadingLink.onclick=function(){myLightbox.end();return false};objLoading.appendChild(objLoadingLink);var objImageDataContainer=document.createElement("div");objImageDataContainer.setAttribute("id","stimuli_imageDataContainer");objLightbox.appendChild(objImageDataContainer);var objImageData=document.createElement("div");objImageData.setAttribute("id","stimuli_imageData");objImageDataContainer.appendChild(objImageData);var objImageDetails=document.createElement("div");objImageDetails.setAttribute("id","stimuli_imageDetails");objImageData.appendChild(objImageDetails);var objCaption=document.createElement("span");objCaption.setAttribute("id","stimuli_caption");objImageDetails.appendChild(objCaption);var objNumberDisplay=document.createElement("span");objNumberDisplay.setAttribute("id","stimuli_numberDisplay");objImageDetails.appendChild(objNumberDisplay);var objBottomNav=document.createElement("div");objBottomNav.setAttribute("id","stimuli_bottomNav");objImageData.appendChild(objBottomNav);var objBottomNavCloseLink=document.createElement("a");objBottomNavCloseLink.setAttribute("id","stimuli_bottomNavClose");objBottomNavCloseLink.setAttribute("href","#");objBottomNavCloseLink.onclick=function(){myLightbox.end();return false};objBottomNav.appendChild(objBottomNavCloseLink)},updateImageList:function(){if(!document.getElementsByTagName){return}var anchors=document.getElementsByTagName("a");var areas=document.getElementsByTagName("area");for(var i=0;i<anchors.length;i++){var anchor=anchors[i];var relAttribute=String(anchor.getAttribute("rel"));if(anchor.getAttribute("href")&&(relAttribute.toLowerCase().match("lightbox"))){anchor.onclick=function(){myLightbox.start(this);return false}}}for(var i=0;i<areas.length;i++){var area=areas[i];var relAttribute=String(area.getAttribute("rel"));if(area.getAttribute("href")&&(relAttribute.toLowerCase().match("lightbox"))){area.onclick=function(){myLightbox.start(this);return false}}}},start:function(imageLink){hideSelectBoxes();hideFlash();var arrayPageSize=getPageSize();Element.setWidth("stimuli_overlay",arrayPageSize[0]);Element.setHeight("stimuli_overlay",arrayPageSize[1]);new Effect.Appear("stimuli_overlay",{duration:overlayDuration,from:0,to:overlayOpacity});imageArray=[];imageNum=0;if(!document.getElementsByTagName){return}var anchors=document.getElementsByTagName(imageLink.tagName);var stimuli_image_title="";if((imageLink.getAttribute("rel")=="lightbox")){stimuli_image_title="";var possibleLightboxImageTitles=[imageLink.getAttribute("title"),imageLink.childNodes[0]["title"],imageLink.childNodes[0]["alt"]," "];var possible_Int=0;while(stimuli_image_title==("")){stimuli_image_title=possibleLightboxImageTitles[possible_Int];possible_Int++}imageArray.push(new Array(imageLink.getAttribute("href"),stimuli_image_title))}else{for(var i=0;i<anchors.length;i++){var anchor=anchors[i];if(anchor.getAttribute("href")&&(anchor.getAttribute("rel")==imageLink.getAttribute("rel"))){stimuli_image_title="";var possibleLightboxImageTitles=[anchor.title,anchor.childNodes[0]["title"],anchor.childNodes[0]["alt"]," "];var possible_Int=0;while(stimuli_image_title==("")){stimuli_image_title=possibleLightboxImageTitles[possible_Int];possible_Int++}imageArray.push(new Array(anchor.getAttribute("href"),stimuli_image_title))}}imageArray.removeDuplicates();while(imageArray[imageNum][0]!=imageLink.getAttribute("href")){imageNum++}}var arrayPageScroll=getPageScroll();var lightboxTop=arrayPageScroll[1]+(arrayPageSize[3]/10);var lightboxLeft=arrayPageScroll[0];Element.setTop("stimuli_lightbox",lightboxTop);Element.setLeft("stimuli_lightbox",lightboxLeft);Element.show("stimuli_lightbox");this.changeImage(imageNum)},changeImage:function(imageNum){activeImage=imageNum;if(animate){Element.show("stimuli_loading")}Element.hide("stimuli_lightboxImage");Element.hide("stimuli_hoverNav");Element.hide("stimuli_prevLink");Element.hide("stimuli_nextLink");Element.hide("stimuli_imageDataContainer");Element.hide("stimuli_numberDisplay");imgPreloader=new Image();imgPreloader.onload=function(){Element.setSrc("stimuli_lightboxImage",imageArray[activeImage][0]);Element.setWidth("stimuli_lightboxImage",imgPreloader.width);Element.setHeight("stimuli_lightboxImage",imgPreloader.height);myLightbox.resizeImageContainer(imgPreloader.width,imgPreloader.height);imgPreloader.onload=function(){}};imgPreloader.src=imageArray[activeImage][0]},resizeImageContainer:function(imgWidth,imgHeight){this.widthCurrent=Element.getWidth("stimuli_outerImageContainer");this.heightCurrent=Element.getHeight("stimuli_outerImageContainer");var widthNew=(imgWidth+(borderSize*2));var heightNew=(imgHeight+(borderSize*2));this.xScale=(widthNew/this.widthCurrent)*100;this.yScale=(heightNew/this.heightCurrent)*100;wDiff=this.widthCurrent-widthNew;hDiff=this.heightCurrent-heightNew;if(!(hDiff==0)){new Effect.Scale("stimuli_outerImageContainer",this.yScale,{scaleX:false,duration:resizeDuration,queue:"front"})}if(!(wDiff==0)){new Effect.Scale("stimuli_outerImageContainer",this.xScale,{scaleY:false,delay:resizeDuration,duration:resizeDuration})}if((hDiff==0)&&(wDiff==0)){if(navigator.appVersion.indexOf("MSIE")!=-1){stimuli_pause(250)}else{stimuli_pause(100)}}Element.setHeight("stimuli_prevLink",imgHeight);Element.setHeight("stimuli_nextLink",imgHeight);Element.setWidth("stimuli_imageDataContainer",widthNew);this.showImage()},showImage:function(){Element.hide("stimuli_loading");new Effect.Appear("stimuli_lightboxImage",{duration:resizeDuration,queue:"end",afterFinish:function(){myLightbox.updateDetails()}});this.preloadNeighborImages()},updateDetails:function(){if(imageArray[activeImage][1]){Element.show("stimuli_caption");Element.setInnerHTML("stimuli_caption",imageArray[activeImage][1])}if(imageArray.length>1){Element.show("stimuli_numberDisplay");Element.setInnerHTML("stimuli_numberDisplay","Image "+eval(activeImage+1)+" of "+imageArray.length)}new Effect.Parallel([new Effect.SlideDown("stimuli_imageDataContainer",{sync:true,duration:resizeDuration,from:0,to:1}),new Effect.Appear("stimuli_imageDataContainer",{sync:true,duration:resizeDuration})],{duration:resizeDuration,afterFinish:function(){var arrayPageSize=getPageSize();Element.setHeight("stimuli_overlay",arrayPageSize[1]);myLightbox.updateNav()}})},updateNav:function(){Element.show("stimuli_hoverNav");if(activeImage!=0){Element.show("stimuli_prevLink");document.getElementById("stimuli_prevLink").onclick=function(){myLightbox.changeImage(activeImage-1);return false}}if(activeImage!=(imageArray.length-1)){Element.show("stimuli_nextLink");document.getElementById("stimuli_nextLink").onclick=function(){myLightbox.changeImage(activeImage+1);return false}}this.enableKeyboardNav()},enableKeyboardNav:function(){document.onkeydown=this.keyboardAction},disableKeyboardNav:function(){document.onkeydown=""},keyboardAction:function(e){if(e==null){keycode=event.keyCode;escapeKey=27}else{keycode=e.keyCode;escapeKey=e.DOM_VK_ESCAPE}key=String.fromCharCode(keycode).toLowerCase();if((key=="x")||(key=="o")||(key=="c")||(keycode==escapeKey)){myLightbox.end()}else{if((key=="p")||(keycode==37)){if(activeImage!=0){myLightbox.disableKeyboardNav();myLightbox.changeImage(activeImage-1)}}else{if((key=="n")||(keycode==39)){if(activeImage!=(imageArray.length-1)){myLightbox.disableKeyboardNav();myLightbox.changeImage(activeImage+1)}}}}},preloadNeighborImages:function(){if((imageArray.length-1)>activeImage){preloadNextImage=new Image();preloadNextImage.src=imageArray[activeImage+1][0]}if(activeImage>0){preloadPrevImage=new Image();preloadPrevImage.src=imageArray[activeImage-1][0]}},end:function(){this.disableKeyboardNav();Element.hide("stimuli_lightbox");new Effect.Fade("stimuli_overlay",{duration:overlayDuration});showSelectBoxes();showFlash()}};function getPageScroll(){var xScroll,yScroll;if(self.pageYOffset){yScroll=self.pageYOffset;xScroll=self.pageXOffset}else{if(document.documentElement&&document.documentElement.scrollTop){yScroll=document.documentElement.scrollTop;xScroll=document.documentElement.scrollLeft}else{if(document.body){yScroll=document.body.scrollTop;xScroll=document.body.scrollLeft}}}arrayPageScroll=new Array(xScroll,yScroll);return arrayPageScroll}function getPageSize(){var xScroll,yScroll;if(window.innerHeight&&window.scrollMaxY){xScroll=window.innerWidth+window.scrollMaxX;yScroll=window.innerHeight+window.scrollMaxY}else{if(document.body.scrollHeight>document.body.offsetHeight){xScroll=document.body.scrollWidth;yScroll=document.body.scrollHeight}else{xScroll=document.body.offsetWidth;yScroll=document.body.offsetHeight}}var windowWidth,windowHeight;if(self.innerHeight){if(document.documentElement.clientWidth){windowWidth=document.documentElement.clientWidth}else{windowWidth=self.innerWidth}windowHeight=self.innerHeight}else{if(document.documentElement&&document.documentElement.clientHeight){windowWidth=document.documentElement.clientWidth;windowHeight=document.documentElement.clientHeight}else{if(document.body){windowWidth=document.body.clientWidth;windowHeight=document.body.clientHeight}}}if(yScroll<windowHeight){pageHeight=windowHeight}else{pageHeight=yScroll}if(xScroll<windowWidth){pageWidth=xScroll}else{pageWidth=windowWidth}arrayPageSize=new Array(pageWidth,pageHeight,windowWidth,windowHeight);return arrayPageSize}function getKey(e){if(e==null){keycode=event.keyCode}else{keycode=e.which}key=String.fromCharCode(keycode).toLowerCase();if(key=="x"){}}function listenKey(){document.onkeypress=getKey}function showSelectBoxes(){var selects=document.getElementsByTagName("select");for(i=0;i!=selects.length;i++){selects[i].style.visibility="visible"}}function hideSelectBoxes(){var selects=document.getElementsByTagName("select");for(i=0;i!=selects.length;i++){selects[i].style.visibility="hidden"}}function showFlash(){var flashObjects=document.getElementsByTagName("object");for(i=0;i<flashObjects.length;i++){flashObjects[i].style.visibility="visible"}var flashEmbeds=document.getElementsByTagName("embed");for(i=0;i<flashEmbeds.length;i++){flashEmbeds[i].style.visibility="visible"}}function hideFlash(){var flashObjects=document.getElementsByTagName("object");for(i=0;i<flashObjects.length;i++){flashObjects[i].style.visibility="hidden"}var flashEmbeds=document.getElementsByTagName("embed");for(i=0;i<flashEmbeds.length;i++){flashEmbeds[i].style.visibility="hidden"}}function stimuli_pause(ms){var date=new Date();curDate=null;do{var curDate=new Date()}while(curDate-date<ms)}function initLightbox(){myLightbox=new Lightbox()}Event.observe(window,"load",initLightbox,false);