User-agent: Yandex
Disallow: /*_openstat
Disallow: /*from=adwords
Disallow: /bitrix/
Disallow: /images/
Crawl-delay: 2

User-agent: Googlebot
Disallow: /*_openstat
Disallow: /*from=adwords
Disallow: /bitrix/
Disallow: /images/

User-agent: *
Disallow: /bitrix/
Disallow: /images/