jQuery(function ($) {
    var TOGGLE_SPEED = 300;

    $('#globalNav .navButton').click(function (e) {
        e.stopPropagation();

        var tab = $(this);
        tab.siblings().children('.drpDn').hide();

        var dropDown = $('.drpDn', tab);
        if (!dropDown.length) {
            return;
        }

        dropDown.slideToggle(TOGGLE_SPEED, function (e) {
            if (dropDown.is(':visible')) {
                $(document).one('click', function (e) {
                    dismissFlyouts();
                });
            }
        });
    });

    function dismissFlyouts() {
        $('#globalNav .drpDn').slideUp(TOGGLE_SPEED);
    }
});