sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


$(document).ready(function() {
 
 
 
$("li.firstlevel").hover(

	function (){
		
		   $(this).find('div.secondlevelwrap').addClass("show_ul");
	       
	       },
	       
	function (){
		$(this).find('div.secondlevelwrap').removeClass("show_ul");
		
	}       

)

$("div.product_menu div.firstlevel").hover(

	function (){
			$(this).addClass("yellow");
		   	$(this).find('div.secondlevel_wrap').addClass("show_ul");
	       
	       },
	       
	function (){
		$(this).removeClass("yellow");
		$(this).find('div.secondlevel_wrap').removeClass("show_ul");
		
	}       

)


});