http://users.kyoto-kcg.ac.jp/~e03l0603/mozext/mozilla/review_smoothwheel.html
ʂ̃TCgɃWv悤ƂĂ܂BXΏL̃NNbNĂ
UPLIFTōLȂő̌܂傤IKȉ{Ct܂I