title: jquery datepicker on postback
body: <p>i'm using a jquery datepicker and i'm facing the problem that when a postback is made the the datepicker disappears. I've tryed to reinitialize the datepicker on page load. 
  Please advice, thanks in advance.
  I tryed so:</p>
  
  <pre><code>$(document).ready(function () {
  pageLoad(); 
      SetValues();   
  });
  function pageLoad() {
          $("#calendar").datepicker({ dateFormat: 'mm/dd/yyyy' });
     } 
  </code></pre>