How to Track Facebook iFrames with Google Analytics

http://www.savio.no/blogg/a/104/how-to-track-facebook-iframes-with-google-analytics
http://mediafunnel.com/facebook/facebook-iframe-page-tab-web-analytics/
http://www.lunametrics.com/blog/2011/04/20/iframes-facebook-part-1-implement/
http://www.lunametrics.com/blog/2011/04/28/iframes-facebook-part-2-track/