I was getting some database errors from MOBY Central this morning, it might need to be kicked into life after a hard weekend. Simon. -- Simon N. Twigger, Ph.D. Assistant Professor, Department of Physiology Medical College of Wisconsin 8701 Watertown Plank Road, Milwaukee, WI, USA tel: 414-456-8802 fax: 414-456-6595 AIM/iChat: simontatmcw