function hideL(wl) {
		if (document.getElementById) {
			// this is the way the standards work
			document.getElementById(wl).style.display = "none";
		}else if (document.all) {
			// this is the way old msie versions work
			document.all[wl].style.display = "none";
		}else if (document.layers) {
			// this is the way nn4 works
			document.layers[wl].display = "none";
		}
	}

	function showL(wl) {
		if (document.getElementById) {
			// this is the way the standards work
			document.getElementById(wl).style.display = "block";
		}else if (document.all) {
			// this is the way old msie versions work
			document.all[wl].style.display = "block";
		}else if (document.layers) {
			// this is the way nn4 works
			document.layers[wl].display = "block";
		}
	}