title: How to Overwrite Internet Explorer Dialog's?
body: <p>I'm looking for a way to overwrite for example the dialog which pops up if you click on the "browse"-Button of a INPUT type="file" element in an HTML Page. 
  I need to suppress the original dialog and show my own implementation. Is this possible in any way ?</p>
  
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  <p>The most important thing for me is to get a callback when the dialog is supposed to be displayed.</p>