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

var trail_flag=false;
var trail_id = "none";
var trailimage=["sd_template/images/logo.jpg"]; //image path
var offsetfrommouse=[10,-150]; //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 gettrailobj(){
	if (document.getElementById){
		return document.getElementById(trail_id).style;
	}
}

function truebody(){
	return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function hidetrail(){
	gettrailobj().display="none";
	document.onmousemove="";
	setoffy=false;
}

var setoffy=false;

function followmouse(e){
	var xcoord=offsetfrommouse[0];
	var ycoord=offsetfrommouse[1];
	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";
		if (!setoffy){
			gettrailobj().top=ycoord+"px";
			setoffy=true;
		}
	}
}

if (displayduration>0) setTimeout("hidetrail()", displayduration*1000);