function elaboraPiedeLogin()
  {
    $("#login-entra").unbind("click");
    $("#login-entra").bind("click", function(evt){
      var utente = $("#login-user").val();
      var password = $("#login-password").val();

      if ((trim(utente) == "") || (trim(password) == ""))
        {
          alert("Inserire sia la user che la password!");
        }
      else
        {
          $.post("html/backoffice/login.php", {user: utente, pass: md5(password)}, function(data){
            if (data.ok)
              {
                document.location.href = "index.php";
              }
            else
              {
                alert("Utente non riconosciuto.");
              }
          }, "json");
        }
    });

    $("#login-user").bind("keydown", function(e){
      if (e.keyCode == 13)
        $("#login-password").focus();
    });

    $("#login-password").bind("keydown", function(e){
      if (e.keyCode == 13)
        $("#login-entra").click();
    });

    $("#login-logout").hover(function(){$(this).css("color", "#ffffff");}, function(){$(this).css("color", "#818181");});
    $("#login-riservata").hover(function(){$(this).css("color", "#ffffff");}, function(){$(this).css("color", "#818181");});

    $("#login-logout").unbind("click");
    $("#login-logout").bind("click", function(evt){
      if (confirm("Sei sicuro di volerti disconnettere?"))
        {
          $.post("html/backoffice/login.php", {logout: ""}, function(data){
            document.location.href = "index.php";
          }, "json");
        }
    });

    $("#login-riservata").unbind("click");
    $("#login-riservata").bind("click", function(evt){
      $.post("html/backoffice/login.php", {riservata: ""}, function(data){
        document.location.href = "index.php";
      }, "json");
    });
  }