I try to load conditional value to a select tag based on the user's choice on a pervious form tag. it might require java or php. i am not competent in any of those two language. the logic is explain as the following.
<form>
<input name="complaint" value="copyright" type="radio">copyright <br>
<input name="complaint" value="trademark" type="radio">trademark <br>
<input name="complaint" value="other_concern" type="radio"> other concerns
</form>
if complaint="copyright" then
<select>
<option value="image">image</option>
<option value="product">product</option>
</select>
elseif complaint="trademark" then
<select>
<option value="item">item</option>
<option value="image">image</option>
</select>
elseif complaint="other_concern"
<select>
<option value="explain">explain</option>
</select>
end if
any solution?