Alexander Schmolck <a.schmolck at gmx.net> wrote in message news:<yfsk7osfszk.fsf at black132.ex.ac.uk>... > If you are interested I could send you > the code, but you'll need python2.2.1 and it might still have rough edges. I wold be grateful if you can send me the code, Thank you very much Matteo Della Torre