function getRealLeft(obj) {
	xPos = obj.offsetLeft;
	tempEl = obj.offsetParent;
  	while (tempEl != null) {
  		xPos += tempEl.offsetLeft;
  		tempEl = tempEl.offsetParent;
  	}
	return xPos;
}

function getRealTop(obj) {
	yPos = obj.offsetTop;
	tempEl = obj.offsetParent;
	while (tempEl != null) {
  		yPos += tempEl.offsetTop;
  		tempEl = tempEl.offsetParent;
  	}
	return yPos;
}