$(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*)

    //When trigger is clicked...
    $("ul#topNav li a").hover(function()
    {
        //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

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

});