User-agent: * 
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /editor/
Disallow: /help/
Disallow: /includes/
Disallow: /language/
Disallow: /mambots/
Disallow: /media/
Disallow: /modules/
Disallow: /templates/
Disallow: /installation/

User-agent: Mediapartners-Google*
Disallow:

User-Agent: Googlebot
Disallow:

User-agent: GoogleBot-Image
Disallow:

User-agent: AdsBot-Google
Disallow:

User-agent: Googlebot-Mobile
Disallow:

user-agent: MSNBot
Disallow:

user-agent: Slurp
Disallow: