tooltip = null;



function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
	
}


function showtooltip(text, obj) {
	tooltip = document.getElementById('ToolTip');
	
	position=findPos(obj);
	
	tooltip.style.left = (position[0] -110) + "px";

	tooltip.style.top 	= (position[1] - 45) + "px";

	tooltip.style.display = "block"
	tooltip.innerHTML=text;
}

function hidetooltip() {
	 if(tooltip){
		tooltip.style.display = "none";
		tooltip = null;
	 }
}