Mozilla Firefox質問スレッド（初心者歓迎）の41

Mozilla Firefox質問スレッド（初心者歓迎）の41 at SOFTWARE

53:名無しさん＠お腹いっぱい。
07/01/09 23:53:58 6+PpnQ7l0
>>6
/* half up */
var focus = document.commandDispatcher.focusedWindow;
if (!focus || focus == window)
var w = window._content;
else
var w = focus;
w.scrollBy(0, -w.innerHeight/2);

/* half down*/
var focus = document.commandDispatcher.focusedWindow;
if (!focus || focus == window)
var w = window._content;
else
var w = focus;
w.scrollBy(0, w.innerHeight/2);

でどうだろう

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