User-agent: *
Disallow: /admin/
Disallow: /files/
Disallow: /includes/
Disallow: /languages/
Disallow: /libs/
Disallow: /themes/

User-agent: Slurp
Crawl-delay: 20

User-Agent: Yahoo!*
Crawl-delay: 20
User-Agent: Googlebot
Crawl-delay: 20