$(document).ready(function() { 
        $('#menu > .menu').superfish({ 
            delay:       0,      	                      // one second delay on mouseout 
            animation:   {opacity:'show',height:'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 
            firstOnClick: true							  //attenzione patch applicata per il click del mouse P.D.
        });
    });