public static function getHandle()
 {
     if (self::$db_handle == -1) {
         self::$db_handle = mysql_connect(Cnx::$host, Cnx::$login_mysql, Cnx::$password_mysql);
         if (!self::$db_handle && $_REQUEST['erreur'] != 1) {
             header("Location: maintenance.php?erreur=1");
         }
         mysql_select_db(Cnx::$db, self::$db_handle);
     }
     return self::$db_handle;
 }
 public static function getHandle()
 {
     if (self::$db_handle == -1) {
         self::$db_handle = mysql_connect(Cnx::$host, Cnx::$login_mysql, Cnx::$password_mysql) or die('Le serveur MySQL n\'est pas accessible.');
         mysql_query("SET NAMES UTF8", self::$db_handle);
         if (!self::$db_handle && $_REQUEST['erreur'] != 1) {
             header("Location: maintenance.php?erreur=1");
         }
         mysql_select_db(Cnx::$db, self::$db_handle);
     }
     return self::$db_handle;
 }
 public static function getHandle()
 {
     if (self::$db_handle == -1) {
         self::$db_handle = @mysql_connect(Cnx::$host, Cnx::$login_mysql, Cnx::$password_mysql) or die('Le serveur MySQL n\'est pas accessible.');
         mysql_query("SET NAMES UTF8", self::$db_handle);
         if (!self::$db_handle && $_REQUEST['erreur'] != 1) {
             header('HTTP/1.1 503 Service Temporarily Unavailable');
             header('Status: 503 Service Temporarily Unavailable');
             echo "Connexion à la base de données impossible";
             exit;
         }
         mysql_select_db(Cnx::$db, self::$db_handle);
     }
     return self::$db_handle;
 }