... 'cos I haven't had a message for two weeks :-) -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*- Andrew Teal School Programmer School of Human & Health Sciences University of Huddersfield, Queensgate, Huddersfield, HD1 3DH <a.teal@hud.ac.uk> Tel: 01484 473674 -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-