I just tried and it worked fine.
You click 'Submit' and it returns to the blank form, but there's a small red notice at the top that says: Entered successfully!
Not sure why you are having problems other than that. You've obviously managed to register here, so that suggests it's not a problem with your computer.
Hope you get it sorted.
Look, you've got it all wrong! You don't NEED to follow ME, You don't NEED to follow ANYBODY! You've got to think for your selves! You're ALL individuals!
Yes! We're all individuals!