Tom, would the folowing code work? self.ann!(pk, :class) ||= pkclass -g. -- http://blog.gmosx.com http://cull.gr http://www.joy.gr http://nitroproject.org -------------- next part -------------- An HTML attachment was scrubbed... URL: http://rubyforge.org/pipermail/nitro-general/attachments/20070128/76033955/attachment.html