Florian, did you have the time to fix the division by zero error, or do you need any more info from my side, because I will be have to give it. Thanks, Pieterjan Heyse Scheppersintituut Wetteren Cooppallaan 128 9230 Wetteren Tel: 09 3692072 Fax: 09 3661348 mailto:pieterjan.heyse@scheppers-wetteren.be