Should I block Googlebot from crawling a dynamically generated calendar?

Should I deny an access to a dynamically generated vBulletin calendar via robots.txt? Whenever I open my Who’s Online?” page, I can always see more than 20 Google spiders indexing it.” Uncle, Prague, Czech Republic Have a question? Ask it in our Webmaster Help Forum: www.google.com Want your question to be answered on a video like this? Follow us on Twitter and look for an announcement when we take new questions: twitter.com More videos: www.youtube.com Webmaster Central Blog: googlewebmastercentral.blogspot.com Webmaster Central: www.google.com