[jQuery] [autocomplete]

Hi,
I'm trying to get Joerns awesome autocomplete-plugin to work with
UTF-8 but I've had no luck in making it work. Has anyone managed to
query the backend using UTF-8 encodend characters?
Right now I'm trying my best to decode the incoming string ie
"q=Östman" but nothing happens? Do I need to encode the returned
string as well?
Any thoughts are greatly appreciated!
Christer