(function($) {
    $(document).ready(function() {
        var menuTimer;
        $(".menu li").hover(function() {
            var that = this;
            menuTimer = setTimeout(function() {
                $(that).find(".submenu").slideDown("fast");
            }, 200);

        }, function() {
            var that = this;
            clearTimeout(menuTimer);
            menuTimer = setTimeout(function() {
                $(that).find(".submenu").slideUp("fast");
            },200);
        });

        $(".submenu li").hover(function() {
            $(this).addClass("hover");
        },function() {
            $(this).removeClass("hover");
        });
    });
})(jQuery);