$(document).ready(function() {
	$('#nav li').hover(
		function () {
			//show its submenu
			$('ul', this).show();
		}, 
		function () {
			//hide its submenu
			$('ul', this).hide();			
		}
	);
	$('#navtop li').hover(
		function () {
			//show its submenu
			$('ul', this).show();
		}, 
		function () {
			//hide its submenu
			$('ul', this).hide();			
		}
	);
});