var w=1
var h=1

if (document.getElementById || document.all)
document.write('<div id="trailimageid" align="center" style="z-index:2000;position:absolute;visibility:hidden;left:0px;top:-1000px;width:1px;height:1px"></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
	
	if (file.length > 10 && w < 100) w = 100;
	if (file.length > 25 && h < 40) h = 40;
	
	gettrailobj().visibility="visible"
	gettrailobj().width=w+"px"
	gettrailobj().height=h+"px"
	document.getElementById('trailimageid').innerHTML="<img src='"+file+"' border=0>";
	document.onmousemove=followmouse
}


function followmouse(e)
{
	var xcoord=10
	var ycoord=10
	if (typeof e != "undefined")
	{
		xcoord+=e.pageX
		ycoord+=e.pageY
	}
	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+3>docwidth)
	xcoord=xcoord-w-(10*2)

//	if (ycoord-truebody().scrollTop+h>truebody().clientHeight)
	ycoord=ycoord-h/2-10;

	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
}