$(document).ready(function() {
			// Expand only the active menu, which is determined by the class name
			$("#menu > li > a[@class=expanded] ").find("+ ul").slideToggle("medium");

			// Toggle the selected menu's class and expand or collapse the menu
			$("#menu > li > a").click(function() {
				$(this).toggleClass("expanded").toggleClass("collapsed").find("+ ul").slideToggle("medium");
			});
		});