var isIE = document.all;
var mouseX = 0;
var mouseY = 0;

function getMouseXY(e) {
		if (!e) e = window.event;	
		if (e) {
			mouseX = isIE ? (e.clientX + document.body.scrollLeft) : e.pageX;
			mouseY = isIE ? (e.clientY + document.body.scrollTop) : e.pageY;
		}
	}

document.onmousemove = getMouseXY;

function tooltipShow(msg) {
		document.getElementById("tooltip").innerHTML=msg;
		document.getElementById("tooltip").style.visibility ="visible";
		document.getElementById("tooltip").style.left = mouseX + 15 +"px";
  		document.getElementById("tooltip").style.top = mouseY + 15 +"px";
}

function tooltipHide() {
		document.getElementById("tooltip").style.visibility ="hidden";
}