var timeout    = 500;
	var closetimer = 0;
	var ddmenuitem = 0;
	
	function jsddm_open()
	{  jsddm_canceltimer();
	   jsddm_close();
	   ddmenuitem = $(this).find('ul').css({'visibility' : 'visible', 'display' : 'block'});
	}

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

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

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




$(document).ready(function(){

	$('#headCompatMenu > li').bind('mouseover', jsddm_open);
	$('#headCompatMenu > li').bind('mouseout',  jsddm_timer);


});

	document.onclick = jsddm_close;