firefox login

[Rossella_75]

pagina index.php

<?php
ini_set("display_errors","1"); 
error_reporting(E_ALL);
session_start();
if ($_SESSION['id_adminbar'] != "") {
    header("Location: success.php");
    exit;
    }
    include('../Connections/connessione.php');
    include('fnc/login.php');
    if($_POST['user']!=''){
    login($connessione,$_POST['user'],$_POST['password']);
    }
?>

escono solo queste due righe

Notice: Undefined index: id_adminbar in c:\appserv\www\miosito\index.php on line 5

Notice: Undefined index: user in c:\appserv\www\miosito\index.php on line 11