$(document).ready(function() {

       

      function addMega(){

        $(this).addClass("hovering");

        }



      function removeMega(){

        $(this).removeClass("hovering");

        }



    var megaConfig = {

         interval: 150,

         sensitivity: 4,

         over: addMega,

         timeout: 150,

         out: removeMega

    };



    $("li.mega").hoverIntent(megaConfig) 

    });