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

User-Agent: *
Allow: /

User-Agent: Mediapartners-Google
Allow: /

User-Agent: Googlebot
Allow: /

User-Agent: Adsbot-Google
Allow: /

User-Agent: Googlebot-Image
Allow: /

User-Agent: Googlebot-Mobile
Allow: /