$(document).ready(function() {

    $("ul.subnav").parent().append("<span></span>"); //Only shows drop down trigger when js is enabled - Adds empty span tag after ul.subnav

    $("ul.topnav li span").hover(function() { //When trigger is clicked...

        //Following events are applied to the subnav itself (moving subnav up and down)
        $(this).parent().find("ul.subnav").stop().slideDown('fast').show('slow', function() {
            $(this).height("auto");
        }); //Drop down the subnav on click


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

        //Following events are applied to the trigger (Hover events for the trigger)
    }).hover(function() {
        $(this).addClass("subhover"); //On hover over, add class "subhover"
    }, function() {	//On Hover Out
        $(this).removeClass("subhover"); //On hover out, remove class "subhover"
    });

});