var hr_menu_hor = {
    settings: { color_in: "#f0f0f6", color_out: "#ffffff" },
    build: function(menuid) {
        var mainmenu = $("#" + menuid + ">ul");
        var headers = mainmenu.find("ul").parent();
        headers.each(function() {
            var header = $(this);
            header.hover(function() {
                var target = header.children("ul:eq(0)");
                target.css("visibility", "visible").fadeIn(100);
                header.css("background-color", hr_menu.settings.color_in);
            }, function() {
                header.children("ul:eq(0)").fadeOut(100);
                header.css("background-color", hr_menu.settings.color_out);
            });
        });
    }
}