var offsetxpoint=-100; //Customize x offset of tooltip
var offsetypoint=10; //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 ddrivetip(thetext, thecolor, thewidth){
var tipobj=document.getElementById("dhtmltooltip");
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){
var tipobj=document.getElementById("dhtmltooltip");
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(){
var tipobj=document.getElementById("dhtmltooltip");
if (ns6||ie){
	enabletip=false;
	tipobj.style.visibility="hidden";
	tipobj.style.left="-1000px";
	tipobj.style.backgroundColor='';
	tipobj.style.width='';
}
}

document.onmousemove=positiontip;