<input type="radio" name="selopt"> ref [val] <br>
<input type="radio" name="selopt"> pattern [val] <br>
<input type="radio" name="selopt"> <select name="set1" type=text onFocus="selopt[2].checked=true;top.help(6)">
<input type="radio" name="selopt"> ref [val] <br>
<input type="radio" name="selopt"> pattern [val] <br>
<input type="radio" name="selopt"> <select name="set1" type=text onFocus="selopt[2].checked=true;top.help(6)">