var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

function subnav_open()
{	subnav_canceltimer();
	subnav_close();
	//ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}
	ddmenuitem = $(this).find('ul').eq(0).css('display', 'inline');}

function subnav_close()
{	//if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}
if(ddmenuitem) ddmenuitem.css('display', 'none');}

function subnav_timer()
{	closetimer = window.setTimeout(subnav_close, timeout);}

function subnav_canceltimer()
{	if(closetimer)
	{	window.clearTimeout(closetimer);
		closetimer = null;}}

$(document).ready(function()
{	$('#subnav > li').bind('mouseover', subnav_open);
	$('#subnav > li').bind('mouseout',  subnav_timer);});

document.onclick = subnav_close;