$(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').click(function() { //When trigger is clicked...
        //Following events are applied to the subnav itself (moving subnav up and down)
        $(this).parent().find('ul.subnav').slideDown('fast').show(); //Drop down the subnav on click

        $(this).parent().hover(function() {
        }, function() {
            $(this).parent().find('ul.subnav').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'
    });
});