$('#menu').submit(function() {
         
   $.ajax({                
      type: "POST",
      url: $(this).attr('action'),
      datatype: "json",
      data: $(this).serialize(), //function of jquery.form.js 
      success: function(result){
      //pass JSON object, form name, name of success div
      //  to external .js library used by all forms 
         parse_results(result,'menu','msgs'); 
      } 
   });
   return false;
});