function migrate_js_2_2($config)
{
    $txt_serializer = new TxtJsSerializer();
    $xml_serializer = new XMLJsSerializer();
    $filename = DOCUMENT_REAL_ROOT . '/config/js.xml';
    $js = $txt_serializer->unserialize($config);
    $xml = $xml_serializer->serialize($js);
    file_put_contents($filename, $xml);
}
    $url_serializer = new XMLUrlsSerializer();
    $urls = $url_serializer->unserialize(file_get_contents('config/urls.xml'));
    $_SESSION['OCS']['url_service'] = $urls;
    // Backwards compatibility
    $pages_refs = array();
    foreach ($urls->getUrls() as $key => $url) {
        $pages_refs[$key] = $url['value'];
    }
    $_SESSION['OCS']['URL'] = $pages_refs;
} else {
    $urls = $_SESSION['OCS']['url_service'];
    $pages_refs = $_SESSION['OCS']['URL'];
}
/*****************************************************GESTION DES FICHIERS JS****************************************/
if (!isset($_SESSION['OCS']['JAVASCRIPT'])) {
    $js_serializer = new XMLJsSerializer();
    $_SESSION['OCS']['JAVASCRIPT'] = $js_serializer->unserialize(file_get_contents('config/js.xml'));
}
/**********************************************************GESTION DES COLONNES DES TABLEAUX PAR COOKIES***********************************/
require_once 'require/function_cookies.php';
//Delete all cookies if GUI_VER change
if (!isset($_COOKIE["VERS"]) or $_COOKIE["VERS"] != GUI_VER) {
    if (isset($_COOKIE)) {
        foreach ($_COOKIE as $key => $val) {
            cookies_reset($key);
        }
        unset($_COOKIE);
    }
    cookies_add("VERS", GUI_VER);
}
//del column