User-agent: * 
Disallow: /index.php?action=printpage
Disallow: /index.php?action=help
Disallow: /index.php?action=search
Disallow: /index.php?action=admin
Disallow: /index.php?action=profile
Disallow: /index.php?action=pm
Disallow: /index.php?action=mlist
Disallow: /index.php?action=register
Disallow: /index.php?action=login
Disallow: /index.php?action=logout
Disallow: /index.php?action=unread
Disallow: /index.php?action=unreadreplies