Maik, Thanks for the answer, it works now. Sorry about the html-mail, didn't even realise I was doing this (was it just because of the bold text I copied from the error message, or was the whole of my msg in html???). Marie Marie Robichon Web Task Force European Synchrotron Radiation Facility BP 220 38043 Grenoble Cedex France Tel: (33) 04 76 88 21 86 Fax: (33) 04 76 88 24 27