var offsetxpoint=-150 //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


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


function showtooltip(element, w, h)
{
	if (ns6||ie)
	{
		tipobj.style.width = w;
		tipobj.style.height = h;
		tipobj.innerHTML = document.getElementById(element).innerHTML;
		enabletip=true
		tipobj.style.visibility = 'visible';

		//tipobj.style.left="10";
		//tipobj.style.top="10";

		return false
	}
}


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


document.onmousemove=positiontooltip