function mainmenu(){
$(" #nav ul ").css({display: "none"}); // Opera Fix

$(" #nav li").hover(function(){
		$(this).find('ul:first').css({visibility: "visible",display: "none"}).show(400);
		},function(){
		$(this).find('ul:first').css({visibility: "hidden"});
});

$(" ul#nav li.subnav").hover(function () {
    $(this).find('ul:first').css({ visibility: "visible", display: "none" }).show(400);
}, function () {
    $(this).find('ul:first').css({ visibility: "hidden" });
});
}

 
 
 $(document).ready(function(){					
	mainmenu();
});