Error

[d'Artagnan]

Hi

I have one problem.
My chat works on my old site nice but I have now a new design. When I will to change the design then don't work chat, why?
I have this error mesage:

_Error: the chat cannot be loaded! two possibilities: your browser doesn't support javascript or you didn't setup correctly the server directories rights - don't hesitate to ask some help on the forum_ www.phpfreechat.net/forum

With old design it's all ok but with new design don't work.
Here it's my site(Croatian) link http://www.josava.ch/brbljaonica.php

Can you help me please?

thanks
d'Artagnan

[d'Artagnan]

Thank you very much kerphi, for your help and I have found error, self. I can't belive that so what possible is in forum. If you don't know answer then you can tell me.