sub regenerate_session_id {
	my $sess = shift;
	$sess->dataref->{_SESSION_ID} =
                $sess->_id_generator->generate_id(
			$sess->{_DRIVER_ARGS},'');
	$sess->_set_status($sess->STATUS_MODIFIED);
	$sess->flush();
	
	return $sess->dataref->{_SESSION_ID};
}