function getPosX(obj) {
	var posX = obj.offsetLeft;
	do {
		obj = obj.offsetParent;
		posX += obj.offsetLeft;
	} while (obj.tagName != "BODY");
	return posX;
}
function getPosY(obj) {
	var posY = obj.offsetTop;
	do {
		obj = obj.offsetParent;
		posY += obj.offsetTop;
	} while (obj.tagName != "BODY");
	return posY;
}

function OffsetXY(e) {
	var t= e.offsetTop;
	var l = e.offsetLeft;
	while( e=e.offsetParent) {
		t+= e.offsetTop;
		l+=e.offsetLeft;
	}
	return {
		top : t,
		left : l
	}
}