/*
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 = 107;

if (document.getElementById || document.all){
	document.write('<div id="trailimageid" style="position:absolute; z-index: 99999999;">');
	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(image){

	document.onmousemove=followmouse;

	newHTML = '<div style="padding: 7px; background-color: #ddd;">';
	newHTML = newHTML + '<img src="' + image + '" style="max-width: 500px; max-height: 200px">';
	newHTML = newHTML + '</div>';
	
	gettrailobjnostyle().innerHTML = newHTML;

	gettrailobj().visibility="visible";
}

function showtrailHTML(html){

	document.onmousemove=followmouse;
	
	gettrailobjnostyle().innerHTML = '<div style="border: 7px solid #ddd; padding: 0px 5px; background-color: #fff; width: 200px;">' + html + '</div>';

	gettrailobj().visibility="visible";
}

function showtrailHelp(title,body){

	document.onmousemove=followmouse;
	
	gettrailobjnostyle().innerHTML = '<div class="helptopic"><h3>' + title + '</h3>' + body + '</div>';

	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 - 17) < gettrailobjnostyle().offsetWidth) {
			xcoord = e.pageX - xcoord - gettrailobjnostyle().offsetWidth;
		} else {
			xcoord += e.pageX;
		}
			
		if ((docheight + truebody().scrollTop - 15 - e.pageY) < gettrailobjnostyle().offsetHeight) {
			ycoord += docheight + truebody().scrollTop - 15 - gettrailobjnostyle().offsetHeight;
		} else {
			ycoord += e.pageY;
		}

	} 
	else if (typeof window.event != "undefined")
	{		
		if ((docwidth - event.clientX - 17) < gettrailobjnostyle().offsetWidth) {
			xcoord = event.clientX + truebody().scrollLeft - xcoord - gettrailobjnostyle().offsetWidth;
		} else {
			xcoord += truebody().scrollLeft + event.clientX
		}
				
		if ((docheight - 15 - event.clientY) < gettrailobjnostyle().offsetHeight) {
			ycoord += docheight + truebody().scrollTop - 15 - gettrailobjnostyle().offsetHeight;
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}
		
	if(ycoord < 0) 
	{ 
		ycoord = ycoord*-1; 
	}
	
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
}