User-agent: *
Disallow: /images/
User-Agent: Yandex
Crawl-Delay: 3
User-Agent: Google
Crawl-Delay: 5
User-Agent: Yahoo
Crawl-Delay: 20
User-Agent: *
Crawl-Delay: 30
User-agent: googlebot 
Disallow: /ecrnnews/