/*
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=5; //duration in seconds image should remain visible. 0 for always.
var currentimageheight = 500;	// 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(aEvent, imagename, title) {

	var myEvent = aEvent ? aEvent : window.event; 
	
//	alert(showTrail.arguments);
//	alert(myEvent);
	currentimageheight = 250;

	//document.onmousemove=followmouse;

	newHTML = '<div style="padding: 5px; background-color: #FFFFFF; border: 1px solid #888888;">';
	newHTML = newHTML + '<table cellpadding="0" cellspacing="0" border="0" width="100%"><tr><td class="linkProduct" nowrap>' + title + '</td><td align="right"><img valign=top align=right src="templates/images/close.jpg" onClick="hideTrail();" onMouseOver="this.style.cursor=\'pointer\'"></td></tr></table>';
	newHTML = newHTML + '<div align="center" style="padding: 2px 2px 2px 2px;"><img src="' + imagename + '" border="0" onClick="hideTrail();" onMouseOver="this.style.cursor=\'pointer\'" title="Click to close"></div>';
	newHTML = newHTML + '</div>';

	gettrailobjnostyle().innerHTML = newHTML;

	////////////////////////
	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 (docwidth - aEvent.clientX < 300){
		xcoord = aEvent.clientX + truebody().scrollLeft - xcoord - 286; // Move to the left side of the cursor
	} else {
		xcoord += truebody().scrollLeft+aEvent.clientX; 
	}

	if (docheight - aEvent.clientY < (currentimageheight + 110)){
		ycoord += aEvent.clientY + truebody().scrollTop - Math.max(0,(110 + currentimageheight + aEvent.clientY - docheight));
	} else {
		ycoord += truebody().scrollTop + aEvent.clientY;
	}
*/
	var xcoord=(docwidth-300)/2;
	var ycoord=(docheight-currentimageheight)/2;

	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
	//////////////////////////

	gettrailobj().visibility="visible";
}

function hideTrail(){
	gettrailobj().visibility="hidden"
	//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(document.body.offsetHeight, window.innerHeight)

	//if (document.all){
	//	gettrailobjnostyle().innerHTML = 'A = ' + truebody().scrollHeight + '<br>B = ' + truebody().clientHeight;
	//} else {
	//	gettrailobjnostyle().innerHTML = 'C = ' + document.body.offsetHeight + '<br>D = ' + window.innerHeight;
	//}

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 300){
			xcoord = e.pageX - xcoord - 286; // 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 < 300){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 286; // 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"
}