function findCoordinate(obj, coordinate) {
	objLeft = obj.offsetLeft;
	objTop = obj.offsetTop;
	objParent = obj.offsetParent;

	while (objParent.tagName.toUpperCase() != "BODY")
	{
		objLeft += (objParent.offsetLeft - objParent.scrollLeft);
		objTop += (objParent.offsetTop - objParent.scrollTop);
		objParent = objParent.offsetParent;
	} 
	objRight = objLeft + obj.offsetWidth;
	objBottom = objTop + obj.offsetHeight;
	
	if (coordinate == "LEFT")
		return objLeft;
	else if (coordinate == "RIGHT")
		return objRight;
	else if (coordinate == "TOP")
		return objTop;
	else if (coordinate == "BOTTOM")
		return objBottom;	
}