Thanks for your fast response!
The other tool would be a possibility. But the problem is shown at this piece of code:
That means that everything seems to be ok. But if I call the page, to which the program was redirected, it tells me, that it is at the log in page and on the log in page is a comment
Your login has failed. Please try again.
I think it could be because of the cookiehandling, but it's only a guess.
If I would change the tool to one of yours, could you give me a good tutorial or a hint how I should start?
Thanks in advantage
Stefan