[1] safari の offsetTop の値がどうにも解せない件について :: Drk7jp (12/30/2008, 6:47:44 AM 版) <http://www.drk7.jp/MT/archives/001342.html>
[2] offsetTop Property Returns an Incorrect Value When Used in a Table (1/1/2009, 4:08:49 AM 版) <http://support.microsoft.com/?scid=kb%3Ben-us%3B811808&x=15&y=10>
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