title: How do I block the UI using JQuery UI?
body: <p>I've been using this plugin to block the UI: <a href="http://jquery.malsup.com/block/" rel="noreferrer">http://jquery.malsup.com/block/</a></p>
  
  <p>The plugin works excellently, it's just that I'd be enormously surprised if jQuery UI didn't do such a thing already, given that it must do effectively the same thing for it's Dialog feature.</p>
  
  <p>How does one block the UI using JQuery UI?</p>