[Xerte] HotSpots

[Bárbara Furtado]

Hi all,
I have an exercise with 3 hot spots, and I want to make them available only
once, and one at a time. I want to disable that spot after student clicks on
it, preventing that student clicks on it again. Anyone can tell me how I can
do it, please? There is a code to disable hot spots or something like that?

And another thing, is it possible to click on an image and open a popup
window? I would like to add some help buttons, with additional information.

Thanks,

Bárbara
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