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

				function jsddm_open()
				{	jsddm_canceltimer();
					jsddm_close();
					ddmenuitem = $(this).find('ul').eq(0).css('visibility', 'visible');}

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

				function jsddm_timer()
				{	closetimer = window.setTimeout(jsddm_close, timeout);}

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

				$(document).ready(function()
				{	$('#jsddm > li').bind('mouseover', jsddm_open);
					$('#jsddm > li').bind('mouseout',  jsddm_timer);});

				document.onclick = jsddm_close;