/*
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 = 900;	// maximum image size.
var cwidth;
var cheight;

/*
if (document.getElementById || document.all)
	{	document.write('<div id="trailimageid"></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,description,ratingaverage,ratingnumber,showthumb,width,height,filetype)
{
	cwidth=width;
	cheight=height;

	if (height > 0)
		{	currentimageheight = height;	}

	if (document.all)
	{
		var selects = document.getElementsByTagName("select");
		for (x=0; x < selects.length; x++)
			{	selects[x].style.visibility = "hidden";	}
	}

	document.onmousemove=followmouse;

	cameraHTML = '';
	var newHTMLa = '';
	if (showthumb > 0)
		{	newHTMLa = newHTMLa + '<div align="center" style="padding: 6px 0px 0px 0px;"><img src="' + imagename + '" width="' + width + '" height="' + height + '" border="0"></div>'; }

	newHTML = '<div style="padding: 0px; background-color: #FFF; border: 1px solid #999;">'+newHTMLa+'</div>';

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

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

	if (document.all) {
		var selects = document.getElementsByTagName("select");
		for (x=0; x < selects.length; x++)
			{	selects[x].style.visibility = "";	}
	}
}

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 < cwidth)
			{	xcoord = e.pageX - xcoord - (cwidth+20);	}
		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 < cwidth)
			{	xcoord = event.clientX + truebody().scrollLeft - xcoord - (cwidth+20); }
		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)
	if( ycoord < 0) { ycoord = ycoord*-1; }
	gettrailobj().left=xcoord+"px";
	gettrailobj().top=ycoord+"px";
}