var w=1
var h=1
 
if (document.getElementById || document.all)
document.write('<div id="trailimageid" style="position:absolute;visibility:hidden;left:0px;top:0px;border:1px solid black;background:#FFFFFF;z-index:1"></div>')
 
function gettrailobj()
{
	if (document.getElementById) return document.getElementById("trailimageid").style
	else if (document.all) return document.all.trailimagid.style
}
 
function truebody()
{
	return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}
 
function hidetrail()
{
	document.onmousemove=""
	document.getElementById('trailimageid').innerHTML=""
	gettrailobj().visibility="hidden"
	gettrailobj().left=-1000
	gettrailobj().top=0
}
 
 
function showtrail(width,height,file)
{
		w=width
		h=height
		gettrailobj().visibility="visible"
		gettrailobj().width=w+"px"	
		gettrailobj().height=h+"px"	
		thisfile=file;
		//document.getElementById('trailimageid').innerHTML="<div>"+document.getElementById('preload_text').value+"</div>";		
		document.getElementById('trailimageid').innerHTML="<img src='"+ thisfile +"' width='"+w+"px' height='"+h+"px'>"; 
		document.onmousemove=followmouse
}
 
 
function followmouse(e)
{
 
 
		var xcoord=20
		var ycoord=20 				
		
		if (typeof e != "undefined")
		{
			var sL = document.getElementById("trail_galery").style.top;
			var nL = sL.length;			
			xcoord+=e.pageX;
			ycoord+=e.pageY+Math.abs(sL.substr(0,nL-2));			
		}
		else if (typeof window.event !="undefined")
		{
			xcoord+=truebody().scrollLeft+event.clientX
			ycoord+=truebody().scrollTop+event.clientY
		}
		
 		var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
		var docheight=document.all? Math.max(truebody().scrollHeight, truebody().clientHeight) : Math.max(document.body.offsetHeight, window.innerHeight)
		
		if (xcoord+w+30>docwidth)
		{
			xcoord=xcoord-w-40
		}
		
		ycoord=ycoord-h+40;
		
		/*var nZero;
		nZero = parseInt(document.getElementById("content").style.top);
		nZero = nZero * -1;	
		ycoord = ycoord+nZero;*/
		gettrailobj().left=xcoord+"px";
		gettrailobj().top=ycoord+"px";
}