/*
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 = 270;	// maximum image size.

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

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

function gettrailobjnostyle() {
	if (document.getElementById)
		return document.getElementById("AlbumImage");
	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, height, bordercolor, backgroundcolor) {
	if (height > 0)
		currentimageheight = height;

	document.onmousemove=followmouse;

	newHTML = '<div style="padding: 5px; background-color: ' + backgroundcolor + '; border: 1px solid ' + bordercolor + ';">';
	newHTML = newHTML + '<div align="center" style="padding: 2px;"><img src="' + imagename + '" border="0"></div>';
	newHTML = newHTML + '</div>';

// YF: added display:none so IE wont display it on the top first,
// added display:block to turn it back on in the followmouse handler.
	gettrailobj().display="none";
	gettrailobjnostyle().innerHTML = newHTML;
	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(window.innerHeight);

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 300){
			xcoord = e.pageX - xcoord - 320; // 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 - 320; // 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;
//document.getElementById("ycoord").value = ycoord;
//		}

	}

	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(ycoord < 0) { ycoord = ycoord*-1; }
        var trailObj = gettrailobj();
	trailObj.position='absolute';
	trailObj.left=xcoord+"px";
	trailObj.top=ycoord+"px";
	trailObj.zIndex=99;
	trailObj.display="block";
}