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["calHover"] : document.getElementById? document.getElementById("calHover") : "";
}

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

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

document.onmousemove=positiontip