myTT = null;

document.onmousemove = updateToolTip;

function updateToolTip(e) {
	x = (document.all) ? window.event.x + document.body.scrollLeft : e.pageX;
	y = (document.all) ? window.event.y + document.body.scrollTop  : e.pageY;
	if (myTT != null) {
		myTT.style.left = (x - 240) + "px";
		myTT.style.top 	= (y + 16) + "px";
	}
}

function showToolTip(id) {
	myTT = document.getElementById(id);
	myTT.style.display = "block"
}

function hideToolTip() {
	myTT.style.display = "none";
}