$(document).ready(function(){
	$(".nav").hover(
		 function()
		 {
		    $(this).addClass("roll");
		 },
		 function()
		 {
			$(this).removeClass("roll");
		 }
	);
	
	$(".leftnav").hover(
			 function()
			 {
			    $(this).addClass("leftnavroll");
			 },
			 function()
			 {
				$(this).removeClass("leftnavroll");
			 }
		);
	
	var timeout    = 500;
	var closetimer = 0;
	var ddmenuitem = 0;

	function jsddm_open()
	{  jsddm_canceltimer();
	   jsddm_close();
	   ddmenuitem = $(this).find('ul').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;


});