User-agent: Mediapartners-Google 
Disallow:

User-agent: *
Disallow: /404/
Disallow: /js/
Disallow: /report/
Disallow: /cron.sh
Disallow: /503.php
Disallow: /cleanup.php
Allow: /
Disallow: /index.old.html
Disallow: /includes/
Disallow: /var/
Disallow: /install.php
Disallow: /cron.php
Disallow: /app/
Disallow: /downloader/
Disallow: /skin/
Disallow: /pkginfo/
Disallow: /lib/
Disallow: /review/