$(document).ready(function() { 
  $('ul.sf-menu').superfish({
            delay:       100,                            // one second delay on mouseout 
            pathClass:     'currentItem',
            animation:   {opacity:'show'},  // fade-in and slide-down animation 
            speed:       'fast',                          // faster animation speed 
            autoArrows:  false,                           // disable generation of arrow mark-up 
            dropShadows: false                            // disable drop shadows 
        }); 
});