function doLoginOverlay( divOverlay ) {
		var d = document.getElementById(divOverlay);
		if (!d) {
			alert("NO DIV for divOverlay");
		}
		else {
			d.style.filter = 'alpha(opacity="20")';
			d.style.opacity = (20/100);
			d.style.MozOpacity = (20/100);
			d.style.KhtmlOpacity = (20/100);
		}
	}