[1] safari の offsetTop の値がどうにも解せない件について :: Drk7jp (2008-12-30 15:47:44 +09:00 版) http://www.drk7.jp/MT/archives/001342.html

[2] offsetTop Property Returns an Incorrect Value When Used in a Table (2009-01-01 13:08:49 +09:00 版) http://support.microsoft.com/?scid=kb%3Ben-us%3B811808&x=15&y=10