Query regarding game screen

This may be a daft question, but does anyone know whether, particularly in realtime games, the game screen can be automatically set to refresh, or do you always have to do this manually, via the "refresh map" icon?
Conquer Club, a free online multiplayer variation of a popular world domination board game.
http://rzmhprwww.conquerclub.com/forum/
http://rzmhprwww.conquerclub.com/forum/viewtopic.php?f=6&t=2721