@BigMac: RND button is fixed (page reload required). It sets your bet amount to a random value between 0 and 10% of your balance.
Thanks for the quick fix. I just played around with the autobet, and the "Stop if balance >" field is working in a weird way. The number I entered there is automatically divided by 100000000000 for no reason. When I put "1" there, it gives me "0.00000000". When I put "100000", it gives me "0.00000100".