if (common_is_real_login()) {
$this->clientError(_('Already logged in.'));
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$this->checkLogin();
if (common_is_real_login()) {
$this->clientError(_('Already logged in.'));
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$this->checkLogin();