var w=1
var h=1
if(document.getElementById||document.all)
document.write('<div id="trailimageid" style="position:absolute;visibility:hidden;left:0px;top:-1000px;width:1px;height:1px;border:none;background:transparent;z-index:3;"><img id="ttimg" src="s.gif" /></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('ttimg').src='s.gif'
gettrailobj().visibility="hidden"
gettrailobj().left=-1000
gettrailobj().top=0}
function showtrail(width,height,file)
{if(navigator.userAgent.toLowerCase().indexOf('opera')==-1)
{w=width
h=height
document.getElementById('ttimg').src=file
document.onmousemove=followmouse
gettrailobj().visibility="visible"
gettrailobj().width=w+"px"
gettrailobj().height=h+"px"}}
function followmouse(e)
{if(navigator.userAgent.toLowerCase().indexOf('opera')==-1)
{var xcoord=20
var ycoord=20
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-(20*2)
if(ycoord-truebody().scrollTop+h>truebody().clientHeight)
ycoord=ycoord-h-20;gettrailobj().left=xcoord+"px"
gettrailobj().top=ycoord+"px"}}