$(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"  
     });  
 });