title: How to bind a ScrollHandler on the body in GWT?
body: <p>I want to attach a ScrollHandler on the page body element. I know that I can do</p>
  
  <pre><code>RootPanel r = RootPanel.get();
  </code></pre>
  
  <p>to get the body element. But it does not has an addScrollHandler method.</p>
  
  <p><strong>How do I add a scroll handler to the body?</strong></p>