function setPosRef(obj, objRef, shiftLeft, shiftTop) {
	var curleft = curtop = 0;
	var leftFinal = topFinal  = 0;
	if (objRef.offsetParent) {
		curleft = objRef.offsetLeft;
		curtop = objRef.offsetTop;
		while (objRef = objRef.offsetParent) {
			curleft += objRef.offsetLeft;
			curtop += objRef.offsetTop;
		}
		

	leftFinal = curleft - shiftLeft;
	topFinal = curtop - shiftTop;

    obj.style.left = leftFinal  + 'px';
    obj.style.top = topFinal + 'px';
	}

}