public function deleteUserById($userId)
{
$userModel = new User_Model_DbTable_User();
$userModel->deleteUser($userId);
$profileModel = new User_Model_DbTable_Profile();
$profileModel->deleteProfile($userId);
$wepModel = new Model_Wep();
$wepModel->deleteRow('user_permission', 'user_id', $userId);
$wepModel->deleteRow('Privilege', 'owner_id', $userId);
}
