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

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

function getRealRightmm(el) {
	id = el;
	rPos = getRealLeftmm(el) + id.offsetWidth;
	return rPos;
	}

function getRealBottommm(el) {
	id = el;
	bPos = getRealTopmm(el) + id.offsetHeight;
	return bPos;
	}