<input type="submit" value="Upload File"/>
</form>
-<iframe sandbox src="<?php echo INCOMING_DIR; ?>" height="100%" width="100%" frameborder="0">
+<iframe src="<?php echo INCOMING_DIR; ?>" height="100%" width="100%" frameborder="0">
Your browser does not support iframes <a href="<?php echo INCOMING_DIR; ?>">click here to view the page directly.</a>
</iframe>