It *might* be possible to do something like this but would probably involve something like:
laanx.fragnetics.com/char_viewer.php?name=yourchar&password=yourpassword
So I am not sure how comfortable people would be in sending their password in a url like that. The other issue is the bandwidth usage. If people want to host this data than everytime somebody views a page it hits the laanx server for an update.
If people want this data for guild websites or something I can generate an xml document that has a list of characters. The guild would have to be impressive enough, though, to warrent my time on it

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Andrew