In reply to:

Anyone know if these files will also work under Xwindows? I tried using java -jar but no luck.

If you mean the X Window System, then yes, the latest jar (and the previous ones that I've used) work fine with X (on Linux) for me. Did you say which version of Java you're using? (java -version). I'm on 1.4.1, if that helps.
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Toby Speight
030103016 (80GB Mk2a, blue)
030102806 (0GB Mk2a, blue)