Fatal error: Class 'db' not found in /var/www/vhosts/legend-wow.pl/httpdocs/getm/engline/module/mod_menu.php on line 12

<?php
/********************************************/
/*              GetMaNGOS CMS               */
/* Система управления контентом для MaNGOS  */
/*            http://getmcms.ru             */
/*                (c) 2009                  */
/********************************************/
if(!defined('GETMANGOSCMS'))
{
  die("Доступ запрещен!");
}
$sdb = new db;

$sdb->connect($sDB['user'], $sDB['pass'], $sDB['db'], $sDB['host']);
$menu = $sdb->query("SELECT * FROM `menu` WHERE rotation = '1';");

while($row = $sdb->get_array($menu)){
        print "<div>";
        print "<a href='".$row['url']."' onmouseover=\"ddrivetip('<b>".$row['description']."</b>', '#ffffff')\"; onmouseout='hideddrivetip()'>".$row['name']."</a>";
        print "</div>";
}
$sdb->close();

?>