grzmrc,
The documentation in the wiki will definitely help you translate FreePBX into your language of choice and yet we felt that the current process still wasn't good enough for everyone. As a result we've been hard at work to invalidate that document and make it easy for anyone to provide translations to FreePBX and the community at large using nothing other than a Web GUI. While it's not public just yet, we've been using the new translation setup internally (adding 100% Japanese translations, thanks to Kevin McCoy). If you'd like to add your translations to FreePBX and have them available in future releases I can get you setup with the new process. The only thing I need in order to get you setup, is I'd need a Code Submission agreement (pretty much the same thing Digium requires for code contributions into Asterisk). If you are interested, let me know.