Can you add a command to toggle a function like at the final of the round, vote and make the screen black?
So you can avoid:
1) Player wana change the weapon and in mistake press a button and vote a bad (non-favorite) map.
2) Some players don't wana vote or concentrarate on the vote, so by default if you make the screen black the majority of players will vote their fav. map.
( Here is the plugin from where I take the ideea:
UMM - everywhere Rusky rusky rusky :\
DEMO Video)