var timeout         = 500;var closetimer		= 0;var ddmenuitem      = 0;function dropnav_open() {		dropnav_canceltimer();	dropnav_close();	ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}function dropnav_close() {	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}function dropnav_timer() {	closetimer = window.setTimeout(dropnav_close, timeout);}function dropnav_canceltimer() {		if(closetimer) {		window.clearTimeout(closetimer);		closetimer = null;	}}$(document).ready(function() {	$('#dropnav > li').bind('mouseover', dropnav_open);	$('#dropnav > li').bind('mouseout',  dropnav_timer);});document.onclick = dropnav_close;