public function getGooglePlusPosts($postData=NULL)
	{
        $key = Cii::getConfig('google_plus_public_server_key');
		if ($key == NULL || $this->googlePlusUserId == NULL)
			return false;

		$result = Yii::app()->cache->get($this->theme . '_settings_g+_activities');

		if ($result == false)
		{
			$client = new Google_Client();
			$client->setApplicationName("Client_Library_Examples");
			$client->setDeveloperKey($key);

			$service = new Google_Service_Plus($client);

			$result = $service->activities->listActivities($this->googlePlusUserId, 'public');

			Yii::app()->cache->set($this->theme . '_settings_g+_activities',$result, 900);
		}
		return $result;
	}