It's a macro, White Rabbit.

Well, some good suggestions here. It got me an idea similar to Evilmike's.

Have a program which records your keystrokes and coordinates. You just play a few internet games in a level, and after a while a list of possible coordinates and places with springs/weapons will have been collected. With these coordinates the bot will be able to see how the level looks like(it assumes walls are at unknown places)

I had another thought.. the jj2 level format is compressed. But in order to load a level jj2 has to decompress it and put it somewhere in the memory. So you should be able to find it.