title: How do I disable a set of radio buttons when a radio button from another set is clicked
body: <p>How do I disable the second set of radio buttons if the radio button on the first set is set to Yes? And enable if set to No?</p>
  
  <p>First set:</p>
  
  <pre><code>&lt;input type="radio" id="firstsetno" name="xfirstset" value="0" checked&gt;No
  
  &lt;input type="radio" id="firstsetyes" name="xfirstset" value="1"&gt;Yes
  </code></pre>
  
  <p>Second set:</p>
  
  <pre><code>&lt;input type="radio" id="secondsetno" name="xsecondset" value="0" checked&gt;No
  
  &lt;input type="radio" id="secondsetyes" name="xsecondset" value="1"&gt;Yes
  </code></pre>