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

var offsetfrommouse=[15,15]; //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 = 0;	// maximum image size.

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(imagename,title,height){

    currentimageheight = height;

	document.onmousemove=followmouse;

	newHTML = '<div style="padding: 4px; background-color: #808080">';
    newHTML = newHTML + '<table cellspacing="0" cellpadding="4" border="0" width="100%" bgcolor="#FFFFFF">';
    newHTML = newHTML + '<tr bgcolor="#F0F0F0"><td style="border-bottom: dashed 1px #C0C0C0"><font face="Tahoma"><strong>' + title + '</strong></font></td></tr>';
    newHTML = newHTML + '<tr><td><img src="' + imagename + '" border="0" style="width: 100%"></td></tr>';
	newHTML = newHTML + '</table>';
	newHTML = newHTML + '</div>';

	gettrailobjnostyle().innerHTML = newHTML;
	gettrailobj().display="inline";
}

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

function followmouse(e){

	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(window.innerHeight)

	if (typeof e != "undefined"){

		if (docwidth - e.pageX < 450){
			xcoord = e.pageX - xcoord - 391; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}

        // xcoord = e.pageX - xcoord - 391; // Move to the left side of the cursor

		if (docheight - e.pageY < (currentimageheight + 30)){
			ycoord += e.pageY - Math.max(0,(30 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){

        if (docwidth - event.clientX < 450){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 391; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft + event.clientX
		}

        // xcoord = event.clientX + truebody().scrollLeft - xcoord - 391; // Move to the left side of the cursor

		if (docheight - event.clientY < (currentimageheight + 30)){
			ycoord += truebody().scrollTop - currentimageheight + event.clientY;
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}

	if(ycoord < 0) { ycoord = ycoord*-1; }
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}