var timeout         = 500;
	var closetimer		= 0;
	var ddmenuitem      = 0;
	
	function menu_open()
	{	menu_canceltimer();
		menu_close();
		ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}
	
	function menu_close()
	{	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}
	
	function menu_timer()
	{	closetimer = window.setTimeout(menu_close, timeout);}
	
	function menu_canceltimer()
	{	if(closetimer)
		{	window.clearTimeout(closetimer);
			closetimer = null;}}
	
	$(document).ready(function()
	{	$('#menu > li').bind('mouseover', menu_open);
		$('#menu > li').bind('mouseout',  menu_timer);});
	
	document.onclick = jsddm_close;