$('#menu').on('ajaxComplete.aplus','a',function(event,param){
        alert($(event.target).html()+' load this content: '+param.response);
    }).on('ajaxError.aplus','a',function(event,param){
        alert('Request error ('+param.errorThrown+')');
     }).on('ajaxMismatch.aplus','a',function(event,param){
        alert('Response error ('+param.response+')');
     });