User-agent: Googlebot
Allow: /index.php?action=sitemap;xml
Disallow: /*?action
Disallow: /*sort=
Disallow: /*msg
Disallow: /img/
Disallow: /contact.php

User-agent: Slurp
Disallow: /*?action
Disallow: /*sort=
Disallow: /*msg
Disallow: /img/
Disallow: /contact.php

User-agent: *
Disallow: /index.php?action
Disallow: /img/
Disallow: /contact.php