Originally Posted by EvilMike

All you need to do is write a program that can read and send chat, and be able to parse it so it can read votes properly. That's not too complicated.

The utility would then count up the votes, using whatever method you think is suitable.... After that, just make your program send /c [filename] via chat. JJ2+ should handle the rest.

For bonus points, you can make the utility read from levellist.ini to choose which maps are eligible.

Obviously, all of this would be much more convenient if blur adds it to JJ2+, but for now, I think the approach I've outlined is the easiest one.