function getOff(obj1, obj2) {
	x = document.getElementById("offset");
	y = obj1.offsetLeft - x.offsetLeft;
	z = 825 - y;
	var obj3 = document.getElementById(obj2);
	obj3.style.paddingLeft = y + "px";
	obj3.style.marginLeft = -y + "px";
	obj3.style.width = z + "px";
}