User-agent: Mediapartners-Google*
Disallow:

Crawl-delay: 10
Request-rate: 1/5 # maximum rate is one page every 5 seconds
Visit-time: 0600-0900 
User-agent: *
Disallow: /admin.php
Disallow: /admin/
Disallow: /db/
Disallow: /images/
Disallow: /includes/
Disallow: /install/
Disallow: /themes/
Disallow: /blocks/
Disallow: /modules/
Disallow: /language/