function initMenu(){

    $('menuProdotti').getElements('li.ddmenu').each( function( elem ){
            var list = elem.getElement('div.list-cnt');
            var wrap = elem.getElement('div.m-wrap');
            if(list){

                var myFx = new Fx.Slide(list, {wrapper: wrap}).hide();
                elem.addEvents({
                    'mouseenter' : function(){
                        myFx.cancel();
                        myFx.slideIn();
                    },
                    'mouseleave' : function(){
                        myFx.cancel();
                        myFx.slideOut();
                    }
                });
            }else{
                elem.addClass("disabled");
            }
        });

}