$(document).ready(function() {
    $("ul.dropdown").parent().find("a").addClass('showDropdown'); // add a trigger class so that browsers with js disabled don't do weirdness

    $(".showDropdown").hover(function() {
        $(this).parent().find("ul.dropdown").slideDown('fast').show(); //Drop down the subnav

        $(this).parent().hover(function() {

        }, function(){
            $(this).parent().find("ul.dropdown").slideUp('slow'); //When the mouse hovers out of the subnav, move it back up
        });
    });
});