Originally Posted by Old Pedant
Well, for starters, you have to use the ONCHANGE event of the <select> to change *WHAT* is displayed. That is, to show one or the other set of questions/fields.
Have you done that?
You don't even show what those other questions/fields are in your post.
<select name="AorB" >
<option value="" selected="selected">Select...</option>
<option value="A" >Option A</option>
<option value="B" >Option B</option>