According to the CGI::Carp documentation, you can only turn warningsToBrowser on and off (the warnings will be inserted as HTML comments). I'm afraid that the fatalsToBrowser thing is an all or nothing proposition. You can of course still use CGI::Carp without fatalsToBrowser, but then all the messages will get logged only in the logfiles. This may or may not be appropriate for your purposes.

Arjen