var to_listings = null;
			
			function get_obj(obj, is_style) {
				if (is_style) {
					if (document.getElementById) {
						return document.getElementById(obj).style;
					} else if (document.all) {
						return document.all[obj].style;
					} else if (document.layers) {
						return document.layers[obj];
					}
				} else {
					if (document.getElementById) {
						return document.getElementById(obj);
					} else if (document.all) {
						return document.all[obj];
					} else if (document.layers) {
						return document.layers[obj];
					}
				}
			}
			function show(obj) {
				get_obj(obj, 1).visibility = "visible";
				if (obj == "menu_listings") {
					clearTimeout(to_listings);
				}
			}
			function hide(obj) {
				get_obj(obj, 1).visibility = "hidden";
			}
			
			function startTimer(obj) {
				if (obj == "menu_listings") {
					to_listings = setTimeout("hide('menu_listings')", 2000);
				}
			}