var offsetfrommouse=[15,25]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
	var displayduration=0; //duration in seconds image should remain visible. 0 for always.
	
	var defaultimageheight = 40;	// maximum image size.
	var defaultimagewidth = 40;	// maximum image size.
	
	var timer;
	
	function getPreviewObject(){
	if (document.getElementById)
	return document.getElementById("previewImage_div").style
	}
	
	function getPreviewObjectNoStyle(){
	if (document.getElementById)
	return document.getElementById("previewImage_div")
	}
	
	
	function truebody(){
	return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	}
	
	
	function stopPreview(){	
		getPreviewObject().display= "none";
		document.onmousemove=""
		getPreviewObject().left="-500px"
		clearTimeout(timer);
	}
	
	function startPreview(imagename,title,width,height){
		i = imagename
		t = title
		w = width
		h = height
		timer = setTimeout("show('"+i+"',t,w,h);",200);
	}
	function show(imagename,title,width,height){
	 
	    var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
		var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)
	
		if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {
			( width == 0 ) ? width = defaultimagewidth: '';
			( height == 0 ) ? height = defaultimageheight: '';
				
			width+=30
			height-=20
			defaultimageheight = height
			defaultimagewidth = width
		
			document.onmousemove=followmouse; 
	
	        var thisBoxHeight = (height + 500);		
			newHTML = '<div class="border_preview" style="width:'+  width +'px;height:'+ thisBoxHeight +'px"><div id="loader_container"><div id="loader"><div id="loader_bg"><div id="progress"> </div></div></div></div>';
			
	    	newHTML = newHTML + '<div class="preview_temp_load"><img onload="javascript:remove_loading();" src="' + imagename + '" border="0"></div>';
			newHTML = newHTML + '</div>'; 
			
			if(navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1 ){
				newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+width+'" height="'+height+'"></iframe>';
			}		
	
			getPreviewObjectNoStyle().innerHTML = newHTML;
			getPreviewObject().display="block";
		}
	}
	
	function followmouse(e){
	
		var xcoord=offsetfrommouse[0]
		var ycoord=offsetfrommouse[1]
	
		var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
		var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)
	
		if (typeof e != "undefined"){
			if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){
				xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
			} else {
				xcoord += e.pageX;
			}
			if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
				ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));
			} else {
				ycoord += e.pageY;
			}
	
		} else if (typeof window.event != "undefined"){
			if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
				xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
			} else {
				xcoord += truebody().scrollLeft+event.clientX
			}
			if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
				ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
			} else {
				ycoord += truebody().scrollTop + event.clientY;
			}
		}
		getPreviewObject().left=xcoord+"px"
		getPreviewObject().top=ycoord+"px"
	
	}
	
	
	var t_id = setInterval(animate,20);
	var pos=0;
	var dir=2;
	var len=0;
	
	function animate()
	{
	var elem = document.getElementById('progress');
	if(elem != null) {
	if (pos==0) len += dir;
	if (len>32 || pos>79) pos += dir;
	if (pos>79) len -= dir;
	if (pos>79 && len==0) pos=0;
	elem.style.left = pos+"px";
	elem.style.width = len+"px";
	}
	}
	
	function remove_loading() {
	this.clearInterval(t_id);
	var targelem = document.getElementById('loader_container');
	targelem.style.display='none';
	targelem.style.visibility='hidden';
	var t_id = setInterval(animate,60);
	}