In fact nothing is working, it does display beautifully but does not work, I have tried it on two different computers and I can't see no one online and when I create chat room other user cannot see the chat room
please help me.

Can you provide us with your website address + 2 test accounts . We will see what is causing this problem .
You can send these details using the contact us form , please include a reference to this post in your email .

thanks for helping

Does it show "No one is online" or is it blank? Either way check your error console for any errors related to freichat .