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

var offsetfromlink=[25,15]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=1; //duration in seconds image should remain visible. 0 for always.
var defaultimageheight = 50;	// maximum image size.
var defaultimagewidth = 450;
var timer;
var IsShown = 0;

if (document.getElementById || document.all){
 document.write('<div id="trailimageid">');
 document.write('</div>');
}

function gettrailobj(){
 if (document.getElementById)
  return document.getElementById("trailimageid").style
 else if (document.all)
  return document.all.trailimagid.style
}

function gettrailobjnostyle(){
 if (document.getElementById)
  return document.getElementById("trailimageid")
 else if (document.all)
  return document.all.trailimagid
}


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

function showtrail(obj, url){
	clearTimeout(timer);
	if (!IsShown)
	{
		newHTML = '<div id="rsshover" onMouseOver="clearTimeout(timer)" onMouseOut="startTimer()"></div>';
		gettrailobjnostyle().innerHTML = newHTML;
		gettrailobj().display="inline";
	
		ajaxpagefetcher.load("rsshover", url, true)

		var coors = findPos(obj);
		gettrailobj().left=coors[0]+'px';
		gettrailobj().top=coors[1]+'px';	

		IsShown = 1;
	}
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft + offsetfromlink[0], curtop + offsetfromlink[1]];
}

function hidetrail(){
	gettrailobj().innerHTML = " ";
	gettrailobj().display="none"
	document.onmousemove=""
	gettrailobj().left="-500px"
        IsShown = 0;
}

function startTimer()
{
	if (displayduration>0)
		timer = setTimeout("hidetrail()", displayduration*1000);
}