 <p>Thank you for your kind answer. I tried the Robot class this morning, but it wasn't able to cope with local files. I eventually found <a href="https://www.youtube.com/watch?v=51iuVOHGUHs" rel="nofollow">this video</a>, and I'm now working my problem out. Fortunately AutoIt (which is a little bit like Sikuli I guess) can be plugged in Selenium. Thanks anyway!</p>