/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var trailimage=["test.gif", 100, 99] //image path, plus width and height
var offsetx = 20;
var offsety = -5;

var offsetfrommouse=[20,-5] //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.

function showtrail(imagepath, imagewidth, imageheight, distancex, distancey)
{
	var trailer = document.getElementById('trailimg');
	offsetx = distancex;
	offsety = distancey;
	offsetfrommouse=[distancex,distancey];
	trailer.src='/images/blank.gif';
	trailer.src=imagepath;
	trailer.width=imagewidth;
	trailer.height=imageheight;
	followmouse();
	gettrailobj().visibility="visible";
	
	document.onmousemove=followmouse;

	if (displayduration>0)
	{
		setTimeout("hidetrail()", displayduration*1000)
	}
	
	return true;
}



if (document.getElementById || document.all)
document.write('<div id="trailimageid" style="position:absolute;visibility:hidden;z-index:100;left:0px;top:0px;width:1px;height:1px"><img name="trailimg" id="trailimg" src="'+trailimage[0]+'" border="0" width="'+trailimage[1]+'px" height="'+trailimage[2]+'px"></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(){
gettrailobj().visibility="hidden"
document.onmousemove=""

}

function followmouse(e){
var xcoord=offsetx;
var ycoord=offsety;
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+trailimage[1]+3>docwidth || ycoord+trailimage[2]> docheight)
gettrailobj().display="none"
else 
gettrailobj().display=""
gettrailobj().left=xcoord+"px"
gettrailobj().top=ycoord+"px"
}