var timeout    = 500;
	var closetimer = 0;
	var ddmenuitem = 0;
	
	function jsddm_open()
	{  jsddm_canceltimer();
	   jsddm_close();
	   ddmenuitem = $(this).find('ul').css('visibility', 'visible');
	   if(ddmenuitem && ddmenuitem.length > 0 ){
	   	$(this).find('a:first-child').addClass('selected');
		}
	   }
	
	function jsddm_close()
	{  if(ddmenuitem){ 
			ddmenuitem.css('visibility', 'hidden');
			ddmenuitem.parent().find('a:first-child').removeClass('selected');
		}
	}
	
	function jsddm_timer()
	{  closetimer = window.setTimeout(jsddm_close, timeout);}
	
	function jsddm_canceltimer()
	{  if(closetimer)
	   {  window.clearTimeout(closetimer);
		  closetimer = null;}}
	
	$(function()
	{  $('#ddmenu > li').bind('mouseover', jsddm_open)
	   $('#ddmenu > li').bind('mouseout',  jsddm_timer)});
	
	document.onclick = jsddm_close;