title: disable textbox using jquery?
body: <p>I have three radio buttons with same name and different values.When I click the third radio button the checkbox and textbox going to be disabled.but when I choose other two radio buttons it must be show.I need the help in Jquery.Thanks in advance....</p>
  
  <pre><code>&lt;form name="checkuserradio"&gt;
      &lt;input type="radio" value="1" name="userradiobtn" id="userradiobtn"/&gt; 
      &lt;input type="radio" value="2" name="userradiobtn" id="userradiobtn"/&gt;
      &lt;input type="radio" value="3" name="userradiobtn" id="userradiobtn"/&gt;
      &lt;input type="checkbox" value="4" name="chkbox" /&gt;
      &lt;input type="text" name="usertxtbox" id="usertxtbox" /&gt;
  &lt;/form&gt;
  </code></pre>