/*
Simple Image Trail script- By JavaScriptKit.com
Edited by awestmoreland: http://www.sitepoint.com/forums/member.php?u=22198
*/

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 = 400;	// 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, description, uploadby){

	document.onmousemove=followmouse;

	cameraHTML = '';

	newHTML = '<table width="0%" border="0" cellspacing="5" cellpadding="0" bgcolor="#0B0B0B">';
	newHTML = newHTML + '<tr>    <td colspan="2"><div align="center" style="padding: 2px 2px 2px 2px;"><img src="' + imagename + '" border="0"></div></td>';
	newHTML = newHTML + '</tr>  <tr>    <td nowrap="nowrap" style="color:white; font-weight:bold; font-size:14px;">' + title + '</td>    <td nowrap="nowrap" style="color:white;"><div align="right">' + uploadby + '</div></td>  </tr>';
	newHTML = newHTML + '<tr>    <td colspan="2" nowrap="nowrap" style="color:white;"><span >' + description + '</span></td>  </tr></table>';


	//newHTML = '<div style="padding: 15px; background-color: #000000; border: 1px solid #888;">';	
	//newHTML = newHTML + '<div style="font-size:11px;">' + title + '</div>';
	//newHTML = newHTML + '<div align="center" style="padding: 6px 2px 2px 2px;"><img src="' + imagename + '" border="0"></div>';
	//newHTML = newHTML + '</div>';

	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 < 400){
			xcoord = e.pageX - xcoord - 410; // 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 < 400){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 410; // 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)
		if(ycoord < 0) { ycoord = ycoord*-1; }
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}