document.getElementById('uploaded_dest_file_name').value="[var.upload_filename]";
	document.forms["form_upload_complete"].submit();

Don’t relaod page when submitting a form that calls a javascript function

  <form onSubmit="return my_function(this);">
  </form>

  <script>
    function my_function(theForm) {


      return false;  //Prevent page reload and form submission
    }
  </script>