public function set_login_sessions($user, $logged_in_via_password = FALSE)
{
	if ( ! $user )
	{
		return FALSE;
	}

	$user_id = $user->{$this->auth->database_config['user_acc']['columns']['id']};

	//$this->regenerate_ci_session_id();

	$this->update_last_login($user_id);

	if ($this->auth->security['validate_login_onload'] && ! $this->insert_database_login_session($user_id))
	{
		return FALSE;
	}

	// Set verified login session if user logged in via Password rather than 'Remember me'.
	$this->auth->session_data[$this->auth->sessions['logged_in_via_password']] = $logged_in_via_password;
		
	// Set user id and identifier data to session.
	$this->auth->session_data[$this->auth->sessions['user_id']] = $user_id;
	$this->auth->session_data[$this->auth->sessions['user_identifier']] = $user->{$this->auth->db_settings['primary_identity_col']};

	// Get group data.
	$sql_where[$this->auth->tbl_col_user_group['id']] = $user->{$this->auth->database_config['user_acc']['columns']['group_id']};

	$group = $this->get_groups(FALSE, $sql_where)->row();

	// Set admin status to session.
	$this->auth->session_data[$this->auth->sessions['is_admin']] = ($group->{$this->auth->database_config['user_group']['columns']['admin']} == 1);
		
	$this->auth->session_data[$this->auth->sessions['group']] = 
		array($group->{$this->auth->database_config['user_group']['columns']['id']} => $group->{$this->auth->database_config['user_group']['columns']['name']});

	$this->session->set_userdata(array($this->auth->sessions['name'] => $this->auth->session_data));

	return TRUE;
}

private function regenerate_ci_session_id()
{
	$ci_session = array(
		'name'   => $this->config->item('sess_cookie_name'),
		'value'  => '',
		'expire' => ''
	);
	set_cookie($ci_session);	
}