function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}

	function changeImages() {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}

	var preloadFlag = false;
	function preloadImages() {		
		if (document.images) {
			menu_item1_over = newImage("img/menu_item1-over.gif");
			menu_item2_over = newImage("img/menu_item2-over.gif");
			menu_item3_over = newImage("img/menu_item3-over.gif");
			menu_item4_over = newImage("img/menu_item4-over.gif");
			menu_item5_over = newImage("img/menu_item5-over.gif");
			preloadFlag = true;
		}	
	}

	function hideURL() {
		window.status = "";
	}