Crawl-delay: 12

User-agent: Mediapartners-Google 
Disallow:

User-agent: Googlebot
Disallow: 

User-agent: Googlebot-Image
Disallow: 

User-agent: MSNBot
Disallow: 

User-agent: Robozilla
Disallow: 

User-agent: ia_archiver
Disallow: 

User-agent: yahoo-mmcrawler
Disallow: 

User-agent: yahoo
Disallow: 

User-agent: *
Disallow: /