User-agent: Yandex
Disallow: /*_openstat
Disallow: /*from=adwords
Disallow: /*prn_prt
Disallow: /poll/
Host: www.st177.ru

User-agent: Googlebot
Disallow: /*_openstat
Disallow: /*from=adwords
Disallow: /*prn_prt
Disallow: /poll/

User-agent: *
Disallow: /poll/