var offsetxpoint = 0;
var offsetypoint = 20;

var ie  = document.all
var ns6 = document.getElementById && !document.all;

var enabletip = false;

if (ie || ns6) {

	var tipobj = document.all ? document.all["tooltip"] : document.getElementById ? document.getElementById("tooltip") : "";

}

function ietruebody() {

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

}

function ddrivetip(thetext, thewidth) {

	if (ns6 || ie) {

		if (typeof thewidth != "undefined") {
		
			tipobj.style.width = thewidth + "px";

		}

		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;

		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 (rightedge < tipobj.offsetWidth) {

			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 {

			tipobj.style.left = curX + offsetxpoint + "px";

		}

		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;