// JavaScript Document

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 currentimageheight = 400;		// maximum image size.
var w=1
var h=1

if (document.getElementById || document.all)
document.write('<div id="trailimageid" align="center" style="position:absolute;visibility:hidden;left:0px;top:-1000px;width:1px;height:1px;border:1px solid #888888;background:#DDDDDD;"><img id="ttimg" src="img/s.gif" align="center"/></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='img/s.gif'
gettrailobj().visibility="hidden"
gettrailobj().left=-1000
gettrailobj().top=0
}


function showtrail(width,height,file)
{
if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -1)
{
w=width
h=height

// followmouse()

gettrailobj().visibility="visible"
gettrailobj().width=w+"px"
gettrailobj().height=h+"px"
document.getElementById('ttimg').src=file
document.onmousemove=followmouse
}
}


function followmouse(e)
{

/*if(navigator.userAgent.toLowerCase().indexOf('opera') == -1 && navigator.userAgent.toLowerCase().indexOf('safari') == -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"
}*/
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(document.body.offsetHeight, window.innerHeight)
  
	if (typeof e != "undefined")
	{
		if (docwidth - e.pageX < 367)
		{
			xcoord = e.pageX - xcoord - 340; // Move to the left side of the cursor
		} 
		else 
		{
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentimageheight + 110))
		{
			ycoord += e.pageY - Math.max(0,(110 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
		}
		else 
		{
			ycoord += e.pageY;
		}

	} 
	else if (typeof window.event != "undefined")
	{
		if (docwidth - event.clientX < 367)
		{
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 340; // Move to the left side of the cursor
		} 
		else 
		{	
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (currentimageheight + 110))
		{
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(110 + currentimageheight + event.clientY - docheight));
		}
		else 
		{
			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)
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
	//return true;
}