$(document).ready(function(){
    
  $("ul.subnav").parent().append("<span></span>"); 
    
  $(".navi li").mouseenter(function() { //When trigger is clicked...
    
    //Following events are applied to the subnav itself (moving subnav up and down)
    if (!$(this).find("ul.subnav").is(':visible'))
      $(this).find("ul.subnav").slideDown('fast').show(); //Drop down the subnav on click

    $(this).hover(function() {
    }, function(){  
      $(this).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"
  });

});