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

		function menudrop_open()
		{	menudrop_canceltimer();
		menudrop_close();
		ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}

		function menudrop_close()
		{	if(ddmenuitem) ddmenuitem.css('visibility', 'hidden');}

		function menudrop_timer()
		{	closetimer = window.setTimeout(menudrop_close, timeout);}

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

		$(document).ready(function()
			{	$('#menudrop > li').bind('mouseover', menudrop_open);
			$('#menudrop > li').bind('mouseout',  menudrop_timer);});

			document.onclick = menudrop_close;