Simple problem with visible property

[Dan Lyke <danlyke flutterby com>]

Pascal Giard writes:
> by pressing in the lefted space, it "clicks" on the next button
> altho it's suppose to be visible false and altho it's suppose to be
> ok.

I've committed the cardinal sin by answering this without testing my
answer, but: How about making the "sensitive" state mirror the
"visible" state?

Dan