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

function tooltipOn(obj)
{
	document.getElementById(obj).style.visibility = "visible";
}

function tooltipOff(obj)
{
	document.getElementById(obj).style.visibility = 'hidden';
}

function positionTips(e)
{
	var curX = (ns6) ? e.pageX : event.clientX + document.body.scrollLeft;
	var curY = (ns6) ? e.pageY : event.clientY + document.body.scrollTop;
	
	for(x = 0; x != tipIDs.length; x ++)
	{	
		var obj = document.getElementById(tipIDs[x]);
		obj.style.top = (curY + 25);
		obj.style.left = curX;
	}
}

document.onmousemove = positionTips;