diff --git a/includes/sessions.php b/includes/sessions.php
index 63bef78..c33058e 100644
--- a/includes/sessions.php
+++ b/includes/sessions.php
@@ -1,160 +1,160 @@
 <?php
 
 /**
  * Sessions
  *
  * Zed. The immensity of stars. The HyperShip. The people.
  *
  * (c) 2010, Dereckson, some rights reserved.
  * Released under BSD license.
  *
  * This file provides functions to manage sessions. It's not currently properly
  * documented, as it's a temporary old session file, which will be updated soon.
  *
  * @package     Zed
  * @subpackage  Keruald
  * @author      Sébastien Santoro aka Dereckson <dereckson@espace-win.org>
  * @copyright   2010 Sébastien Santoro aka Dereckson
  * @license     http://www.opensource.org/licenses/bsd-license.php BSD
  * @version     0.1
  * @link        http://scherzo.dereckson.be/doc/zed
  * @link        http://zed.dereckson.be/
  * @filesource
  *
  * @todo Replaces this code by the unified Keruald session class.
  */
 
 function session_update () {
     global $db, $IP, $Config;
     //Nettoyage de la session
     /* Initialisation */
     $time_online  =      5 * 60; // Temps après lequel l'utilisateur n'est plus considéré comme online
     $time_session = 2 * 60 * 60; // Durée de vie de la session
 
     $heureActuelle = time(); //Timestamp UNIX et non MySQL
 
     /* On fait le ménage */
     $sql = "UPDATE " . TABLE_SESSIONS . " SET online=0 WHERE HeureLimite < $heureActuelle";
     if (!$db->sql_query($sql)) {
         message_die(SQL_ERROR, 'Impossible de mettre à jour les sessions (utilisateurs offline)', '', __LINE__, __FILE__, $sql);
     }
 
     $sql = "DELETE FROM " . TABLE_SESSIONS . " WHERE SessionLimite < $heureActuelle";
     if (!$db->sql_query($sql)) {
         message_die(SQL_ERROR, "Impossible d'effacer les sessions expirées", '', __LINE__, __FILE__, $sql);
     }
 
     /* Création / mise à jour de la session utilisateur */
     if (!$_SESSION['ID']) {
         $_SESSION['ID'] = md5(generate_random_string("AAAA1234"));
     }
 
     $sql = "SELECT * FROM " . TABLE_SESSIONS . " WHERE session_id LIKE '$_SESSION[ID]'";
     if ( !($result = $db->sql_query($sql)) ) {
         message_die(SQL_ERROR, "Problème critique avec les sessions.", '', __LINE__, __FILE__, $sql);
     }
 
     if ($db->sql_numrows($result) == 0) {
         $sql = "INSERT INTO " . TABLE_SESSIONS . " (IP, session_id, `Where`, HeureLimite, SessionLimite) VALUES ('$IP', '$_SESSION[ID]', $Config[ResourceID], $heureActuelle + $time_online, $heureActuelle + $time_session)";
         if (!$db->sql_query($sql)) {
             message_die(SQL_ERROR, "Impossible de créer une nouvelle session", '', __LINE__, __FILE__, $sql);
         }
     } else {
         $sql = "UPDATE " . TABLE_SESSIONS . " SET online=1, HeureLimite = $heureActuelle + $time_online, SessionLimite= $heureActuelle + $time_session WHERE session_id = '$_SESSION[ID]'";
         if (!$db->sql_query($sql)) {
             message_die(SQL_ERROR, "Impossible de mettre à jour la session", '', __LINE__, __FILE__, $sql);
         }
     }
 }
 
 function nbc () {
 //Renvoi du nombre d'usagers connectés
     global $db, $Config;
     $sql = "SELECT count(*) FROM " . TABLE_SESSIONS . " WHERE online=1 AND `Where` = $Config[ResourceID]";
     if ( !($result = $db->sql_query($sql)) ) {
         message_die(SQL_ERROR, "Impossible d'obtenir le nombre d'utilisateurs connectés sur le site web", '', __LINE__, __FILE__, $sql);
     }
     $row = $db->sql_fetchrow($result);
     return $row[0];
 }
 
 function get_info ($info) {
 //Renvoie une variable de la session
     global $db;
     $sql = "SELECT $info FROM " . TABLE_SESSIONS . " WHERE session_id LIKE '$_SESSION[ID]'";
     if ( !($result = $db->sql_query($sql)) ) {
         message_die(SQL_ERROR, "Impossible d'obtenir $info", '', __LINE__, __FILE__, $sql);
     }
     $row = $db->sql_fetchrow($result);
     return $row[$info];
 }
 
 function get_logged_user () {
 //Renvoie toutes les informations d'un utilisateur
     global $db;
     $sql = "SELECT * FROM " . TABLE_SESSIONS . " WHERE session_id LIKE '$_SESSION[ID]'";
     if ( !($result = $db->sql_query($sql)) ) {
         message_die(SQL_ERROR, "Impossible d'obtenir les informations de l'utilisateur", '', __LINE__, __FILE__, $sql);
     }
     $row = $db->sql_fetchrow($result);
 
     require_once('includes/objects/user.php');
     $user = User::get($row['user_id']);
 
     $user->session = $row;
 
     return $user;
 }
 
 function set_info ($info, $value) {
 //Définit une variable session
     global $db;
     $value = ($value === null) ? 'NULL' : "'" . $db->sql_escape($value) . "'";
     $sql = "UPDATE " . TABLE_SESSIONS . " SET $info = $value WHERE session_id LIKE '$_SESSION[ID]'";
     if (!$db->sql_query($sql)) {
         message_die(SQL_ERROR, "Impossible de définir $info", '', __LINE__, __FILE__, $sql);
     }
 }
 
 /**
  * Destroys $_SESSION array values, help ID
  */
 function clean_session () {
     foreach ($_SESSION as $key => $value) {
         if ($key != 'ID') {
             unset($_SESSION[$key]);
         }
     }
 }
 
 
 /**
  * Logs in user
  */
 
 function login ($user_id, $username) {
     global $db;
     $sql = "UPDATE " . TABLE_SESSIONS . " SET user_id = '$user_id' WHERE session_id LIKE '$_SESSION[ID]'";
     if (!$db->sql_query($sql)) {
         message_die(SQL_ERROR, "Impossible de procéder à la connexion", '', __LINE__, __FILE__, $sql);
     }
 
     //We send a cookie to print automatically the last username on the login
     //page during 30 days.
-    if (username) {
+    if ($username) {
         setcookie("LastUsername", $username, time() + 2592000);
     }
 }
 
 /**
  * Logs out user
  */
 function logout () {
     //Anonymous user in session table
     global $db;
     $sql = "UPDATE " . TABLE_SESSIONS . " SET user_id = '-1', perso_id = NULL WHERE session_id LIKE '$_SESSION[ID]'";
     if (!$db->sql_query($sql)) {
         message_die(SQL_ERROR, "Impossible de procéder à la déconnexion", '', __LINE__, __FILE__, $sql);
     }
     clean_session();
 }