How to upload a file with watir and IE?

Question

I am writing a watir script to test an upload form.

But the script does not automatically choose the file that is to be uploaded from my harddrive.

Instead I

Answer 1

I installed windows xp in english now, and it works! (The error occured on a localised windows server 2003)

I guess it was the localisation issue. I will just run watir on the english computer from now on.