Hi, Just to point out some interesting new content on the WIKI: http://assistech.org.uk/doku.php?id=research:morplay http://assistech.org.uk/doku.php?id=experiencebase:robotics:asynchronous_sin gle-switch_control Spread the WIKI word - get involved! Have a nice weekend. Cheers Simon Clinical Scientist ACT 0121 627 1627 ex 53245