//set vars for dynamic drive
var offsetxpoint;
var offsetypoint;
var ie;
var ns6;
var enabletip;
var tipobj;

$(document).ready(function(){

	//gets the thumbnails
	thumb_hovers = new Array();
	thumb_hovers = document.getElementsByTagName('img');
	for (var i=0;i<thumb_hovers.length;i++)
	{
		if (thumb_hovers[i].alt == 'thumbnail')
		{
			thumb_hovers[i].onmouseover = thumbHover;
			thumb_hovers[i].onmouseout = thumbUnhover;
			
			var thumbsrc = thumb_hovers[i].src.split('_thumb');
			
			thumb_hovers[i].thumb2 = thumbsrc[0] + '_thumb2' + thumbsrc[1];
		}
	}
	
	/**begin tooltip stuff from dynamicdrive**/
	offsetxpoint=-100 //Customize x offset of tooltip
	offsetypoint=20 //Customize y offset of tooltip
	ie=document.all
	ns6=document.getElementById && !document.all
	enabletip=false
	if (ie||ns6)
	tipobj=document.all? document.all["thumb_hover"] : document.getElementById? document.getElementById("thumb_hover") : ""
	document.onmousemove=positiontip
});

// shows/hides larger thumbnail
function thumbHover()
{
	ddrivetip('<img src="' + this.thumb2 + '" />');
}
function thumbUnhover()
{
	hideddrivetip();
}


//////////////////////////////
// tooltip js from  dynamic drive //
//////////////////////////////

/***********************************************
* Cool DHTML tooltip script- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

function ietruebody(){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}

function ddrivetip(thetext, thecolor, thewidth){
if (ns6||ie){
if (typeof thewidth!="undefined") tipobj.style.width=thewidth+"px"
if (typeof thecolor!="undefined" && thecolor!="") tipobj.style.backgroundColor=thecolor
tipobj.innerHTML=thetext
enabletip=true
return false
}
}

function positiontip(e){
if (enabletip){
var curX=(ns6)?e.pageX : event.clientX+ietruebody().scrollLeft;
var curY=(ns6)?e.pageY : event.clientY+ietruebody().scrollTop;
//Find out how close the mouse is to the corner of the window
var rightedge=ie&&!window.opera? ietruebody().clientWidth-event.clientX-offsetxpoint : window.innerWidth-e.clientX-offsetxpoint-20
var bottomedge=ie&&!window.opera? ietruebody().clientHeight-event.clientY-offsetypoint : window.innerHeight-e.clientY-offsetypoint-20

var leftedge=(offsetxpoint<0)? offsetxpoint*(-1) : -1000

//if the horizontal distance isn't enough to accomodate the width of the context menu
if (rightedge<tipobj.offsetWidth)
//move the horizontal position of the menu to the left by it's width
tipobj.style.left=ie? ietruebody().scrollLeft+event.clientX-tipobj.offsetWidth+"px" : window.pageXOffset+e.clientX-tipobj.offsetWidth+"px"
else if (curX<leftedge)
tipobj.style.left="5px"
else
//position the horizontal position of the menu where the mouse is positioned
tipobj.style.left=curX+offsetxpoint+"px"

//same concept with the vertical position
if (bottomedge<tipobj.offsetHeight)
tipobj.style.top=ie? ietruebody().scrollTop+event.clientY-tipobj.offsetHeight-offsetypoint+"px" : window.pageYOffset+e.clientY-tipobj.offsetHeight-offsetypoint+"px"
else
tipobj.style.top=curY+offsetypoint+"px"
tipobj.style.visibility="visible"
}
}

function hideddrivetip(){
if (ns6||ie){
enabletip=false
tipobj.style.visibility="hidden"
tipobj.style.left="-1000px"
tipobj.style.backgroundColor=''
tipobj.style.width=''
}
}