I've re-enabled the old stats system, because it shows a few things that the new system doesn't have, like player rankings per map and server stats. It's still at the original location: oneirozoo.com.
I also reset the old stats system and reprocessed the data to match the new stats system, which started operation early on February 10, 2009.
You may notice that the stats on the two sites don't always match perfectly. I won't be able to find or fix any bugs in the old stats system since I don't have the source code, but I'm still looking into possible bugs in the new stats system and will fix any I find.