I am attempting to create a form that will have several checkboxes, but I want people to be able to only select two. Or, if I can use radio buttons that would be fine also, as long as two can be selected at once in the same group. How do I do this?
John Brinkmann has written 3 spearate blogs on exclusion groups and shows how to do this. Here is the 3rd entry, it has links the the other two inside.
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