var thumbnailviewer={
	enableTitle: true,
	enableAnimation: true,
	definefooter: '<div class="footerbar">CLOSE X</div>',
	defineLoading: '<img src="loading.gif" /> Loading Image...',
	
	//No edit below
	
	scrollbarwidth: 16,
	opacitystring: 'filter:progid:DXImageTransform.Microsoft.alpha(opacity=10); -moz-opacity: 0.1; opacity: 0.1',
	targetlinks:[],
	
	createthumbBox:function(){
	document.write('<div id="thumbBox" onClick="thumbnailviewer.closeit()"><div id="thumbImage"></div>'+this.definefooter+'</div>');
	document.write('<div id="thumbLoading">'+this.defineLoading+'</div>');
	this.thumbBox=document.getElementById("thumbBox");
	this.thumbImage=document.getElementById("thumbImage");
	this.thumbLoading=document.getElementById("thumbLoading");
	this.standardbody=(document.compatMode=="CSS1Compat")?document.documentElement : document.body;
},

centerDiv:function(divobj)
{
	var ie=document.all && !window.opera;
	var dom=document.getElementById;
	var scroll_top=(ie)?this.standardbody.scrollTop : window.pageYOffset;
	var scroll_left=(ie)?this.standardbody.scrollLeft : window.pageXOffset;
	var docwidth=(ie)?this.standardbody.clientWidth : window.innerWidth-this.scrollbarwidth;
	var docheight=(ie)?this.standardbody.clientHeight: window.innerHeight;
	var docheightcomplete=(this.standardbody.offsetHeight>this.standardbody.scrollHeight)?this.standardbody.offsetHeight : this.standardbody.scrollHeight;
	var objwidth=divobj.offsetWidth;
	var objheight=divobj.offsetHeight;
	var topposition=(docheight>objheight)?scroll_top+docheight/2-objheight/2+"px" : scroll_top+10+"px";
	divobj.style.left=docwidth/2-objwidth/2+"px";
	divobj.style.top=Math.floor(parseInt(topposition))+"px";
	divobj.style.visibility="visible";
},

showthumbBox:function(){
	this.centerDiv(this.thumbBox)
	if(this.enableAnimation){
	this.currentopacity=0.1;
	this.opacitytimer=setInterval("thumbnailviewer.opacityanimation()", 20);
	}
},

loadimage:function(link){
	if(this.thumbBox.style.visibility=="visible")
		this.closeit();
	var imageHTML='<img src="'+link.getAttribute("href")+'" style="'+this.opacitystring+'" />';
	if(this.enableTitle && link.getAttribute("title"))
		imageHTML+='<br />'+link.getAttribute("title");
	this.centerDiv(this.thumbLoading);
	this.thumbImage.innerHTML=imageHTML;
	this.featureImage=this.thumbImage.getElementsByTagName("img")[0];
	this.featureImage.onload=function(){
		thumbnailviewer.thumbLoading.style.visibility="hidden";
		thumbnailviewer.showthumbBox();
	}
	if(document.all && !window.createPopup)
		this.featureImage.src=link.getAttribute("href");
	this.featureImage.onerror=function(){
	thumbnailviewer.thumbLoading.style.visibility="hidden";
	}
},

setimgopacity:function(value){
	var targetobject=this.featureImage;
	if(targetobject.filters && targetobject.filters[0]){
	if(typeof targetobject.filters[0].opacity=="number")
	targetobject.filters[0].opacity=value*100;
	else
	targetobject.style.filter="alpha(opacity="+value*100+")";
	}
	else if(typeof targetobject.style.MozOpacity!="undefined")
		targetobject.style.MozOpacity=value;
	else if(typeof targetobject.style.opacity!="undefined")
		targetobject.style.opacity=value;
	else
		this.stopanimation()
},

opacityanimation:function(){
	this.setimgopacity(this.currentopacity);
	this.currentopacity+=0.1;
	if(this.currentopacity>1)
		this.stopanimation();
},

stopanimation:function(){
	if(typeof this.opacitytimer!="undefined")
		clearInterval(this.opacitytimer);
},

closeit:function(){
	this.stopanimation();
	this.thumbBox.style.visibility="hidden";
	this.thumbImage.innerHTML="";
	this.thumbBox.style.left="-2000px";
	this.thumbBox.style.top="-2000px";
},

cleanup:function(){
	this.thumbLoading=null;
	if(this.featureImage) this.featureImage.onload=null
		this.featureImage=null;
	this.thumbImage=null;
	for (var i=0; i<this.targetlinks.length; i++)
		this.targetlinks[i].onclick=null;
	this.thumbBox=null;
},

dotask:function(target, functionref, tasktype){
	var tasktype=(window.addEventListener)?tasktype : "on"+tasktype;
	if(target.addEventListener)
		target.addEventListener(tasktype, functionref, false);
	else if(target.attachEvent)
		target.attachEvent(tasktype, functionref);
},

init:function(){
	if(!this.enableAnimation)
		this.opacitystring="";
	var pagelinks=document.getElementsByTagName("a");
	for (var i=0; i<pagelinks.length; i++){
		if(pagelinks[i].getAttribute("rel") && pagelinks[i].getAttribute("rel")=="thumbnail"){
			pagelinks[i].onclick=function(){
				thumbnailviewer.stopanimation();
				thumbnailviewer.loadimage(this);
				return false;
			}
			this.targetlinks[this.targetlinks.length]=pagelinks[i];
		}
	}
	this.dotask(window, function(){
		if(thumbnailviewer.thumbBox.style.visibility=="visible")
			thumbnailviewer.centerDiv(thumbnailviewer.thumbBox)}, "resize");
	}
}

thumbnailviewer.createthumbBox();
thumbnailviewer.dotask(window, function(){thumbnailviewer.init()}, "load");
thumbnailviewer.dotask(window, function(){thumbnailviewer.cleanup()}, "unload");