// initialise plugins
  $(document).ready(function() { 
    $('#header .squeeze > ul').superfish({ 
      hoverClass:  'over',           // hover class
      pathClass:   false,            // active class on li
      delay:     500,                // 500ms delay on mouseout as per Jacob Nielsen advice
      animation:   {opacity:'show',height:'show'}, // fade-in and slide-down animation 
      speed:     'normal',            // animation speed 
      easing:    'swing',            // easing linear/swing
      autoArrows:  false,            // generation of arrow mark-up 
      dropShadows: false             // drop shadows 
    }); 
  });