Password Protect Selected Content problem

Hi,

My Password Protect Selected Content is not working.
Basically when I'm logged in everything is working fine I cane type in password and it is working.
When I'm not logged in and when I'm typing password it does not showing hidden content.
Please have a look:
http://kubicki.me/hare-krishna-wedding-london/
[protect password="SRE"]

Waiting for info.
Regards
Robert