/**
  * if returns true - make full syncronization of roles for all sites with roles from the main site
  * else - only currently selected role update is replicated
  * 
  * @return boolean
  */
 public function is_full_network_synch()
 {
     if (is_network_admin()) {
         $result = true;
     } else {
         $result = parent::is_full_network_synch();
     }
     return $result;
 }