Millisecond Forums

Hello, 
I have a script that changes the default finish page depending on where they are in the experiment. Web experiment : https://mili2nd.eu/a6xb?subjectid=1
I can't get this to work and it keeps just redirecting to the default inquisit thank you page.
This worked fine in an experiment I wrote in version 6.3.4 and as far as I can tell I've coded it the same way here. 
Is there any reason it would stop working in the current version 6.3.5?

Thanks,
Katrina