script options:	
	$ use permissions

on player world change:
	world is "nazwa_1":
    	add "permisja.wiadomosc" to player's permissions
		
on player world change:
	world is "nazwa_2":
    	remove "permisja.wiadomosc" from player's permissions
        
every 1 minute:
	loop all players:
    	if loop-player has permission "permisja.wiadomosc":
        	send "&cWiadmomosc" to loop-player