$(document).ready(function(){
	var currentClass = "";
	$('ul#navLevelOne > li').hover(
		function () {
			currentClass = $(this).attr("class");
			$(this).attr("class","selected");
			$(this).children("ul").show();
		}, 
		function () {
			$(this).attr("class",currentClass);
			$(this).children("ul").hide();
		}
	);
});