User-agent: Mediapartners-Google 
Disallow:

User-Agent: *
Disallow: /pg/friends
Disallow: /pg/bookmarks/
Disallow: /account
Disallow: /pg/
Disallow: /pg/settings
Disallow: /pg/blog
Allow: /pg/profile/
Disallow: /search
Allow: /
Allow: /pg/expages/
Disallow: /pg/izap_videos/
Disallow: /mod/iphone/
Allow: /pg/compositions/