Discussion on question by Dmitry N: Прокрутка iframe относительно страницы

Imported from a comment discussion on http://ru.stackoverflow.com/questions/498323/%d0%9f%d1%80%d0%be%d0%ba%d1%80%d1%83%d1%82%d0%ba%d0%b0-iframe-%d0%be%d1%82%d0%bd%d0%be%d1%81%d0%b8%d1%82%d0%b5%d0%bb%d1%8c%d0%bd%d0%be-%d1%81%d1%82%d1%80%d0%b0%d0%bd%d0%b8%d1%86%d1%8b