//        $(document).ready(function() {
$.ajax({
   url: "remote/banner_home.php", 
   //processData: true,
   async: true,
   success: function(json_php){
         
         eval(json_php); //oggetto = ...
         
          $('#placeholder').crossSlide({
          speed: 25,
          fade: 1
        }, oggetto
         );}
         
 });
 //          });