Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
Take a look at this video that I made, I'm not quite sure what this means, but it's certainly related to the TID/SID Generation.http://www.youtube.com/watch?v=YJN-s5tEjRI