User-agent: Mediapartners-Google*
Disallow:

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

User-Agent: Googlebot-Image

Allow: /