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 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.x+ietruebody().scrollLeft;
	var curY=(ns6)?e.pageY : event.y+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 = '';
	}
}

document.onmousemove = positiontip;