/***********************************************
* 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
***********************************************/

var offsetxpoint = -60;  // Customize x offset of tooltip
var offsetypoint =  -20;  // Customize y offset of tooltip
var ie  = document.all;
var ns6 = document.getElementById && !document.all;
var enabletip = false;
if (ie||ns6) {
	var tipobj=document.all? document.all["dhtmltooltip"] : document.getElementById? document.getElementById("dhtmltooltip") : "";
}

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

function ShowTip(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 HideTip()
{
	if (ns6||ie)
	{
		enabletip=false;
		tipobj.style.visibility="hidden";
		tipobj.style.left='';
		tipobj.style.backgroundColor='';
		tipobj.style.width='';
	}
}

document.onmouseover=positiontip;