In Internet Explorer, press F12 which will open the developer tools window.  With that opened you can save your changes.

If you double click on the yellow exclamation point on the lower left, you'll see the error is Console is undefined.

Using IE8, all patched on Windows XP SP3 and on Windows 2003.  The cache was cleared, I hit refresh.  Java 1.6.

A brand new install of Firefox didn't work for me either, only that didn't display any errors.  I don't know the workaround for that.