title: Jquery UI sortable, button is not working as handle
body: <p>I am trying to sort <code>tr's</code> in a table.</p>
  
  <p><strong>code</strong></p>
  
  <pre><code>$("table tbody").sortable({
      handle: 'button'
      //handle: 'img'
  }).disableSelection();
  </code></pre>
  
  <p><a href="http://jsfiddle.net/uttara/22C2n/701/">live fiddle</a></p>
  
  <p>now the problem is when using <code>img</code> as handle its working fine</p>
  
  <p>but when using <code>button</code> as handle its not working</p>
  
  <p>I checked for many jquery ui sortable ques for my ans but of no help</p>
  
  <p>can anyone plz explain why is this happening</p>
  
  <p>Thanx in advance</p>