title: ajaxToolkit:AjaxFileUpload not working when updatepanel in same page is triggered
body: <p>I have the following situation:</p>
  
  <p>A master page with a usercontrol inside an update panel that triggers each minute by a timer.
  In a content page i have an <code>ajaxToolkit:AjaxFileUpload</code> which have the functionality drag and drop, at page load the upload control is working fine but after the first trigger on the update panel the control stops working.</p>
  
  <p>Thanks in advance.</p>