It's already implemented in Chrome (behind a flag, but it is there), and thereby soon in Opera. Perhaps even Safari. As for IE, yeah, you are going to have to r

It's already implemented in Chrome (behind a flag, but it is there), and thereby soon in Opera. Perhaps even Safari. As for IE, yeah, you are going to have to resort to alternative solutions. Then again, if implemented properly, the lack of sticky positioning should not break the usability, only enhance it whenever present.