Access to facebook layout and modules from domain to subdomain?

Hi a have a news portal on domain mydomain.com and i have jomcocial with Musicity template on jomsocial.mydomain.com as a separate domain and separate DB.

Now I will do 2 thins.

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1. jomsocial.mydomain.com have a default Musicity loyaut. So when people access it it is standard looks... But..

On mydomain.com I will have a link with Joomla Iframe Wrapper linked to jomsocial.mydomain.com but access with facebook loyaut? Haw I can do it?
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and the other problem I will fix is...

How I can show on mydomain.com with help of custom html module a module from jomsocial.mydomain.com.
I think I need a bit of code to wrap mayby module or module position from jomsocial.mydomain.com.
Some one know how to do that? I'm most interested av wrapping GK JomSocial Members module..

Hi

This is a very complexed customization problem. Unfortunately the first cannot be solved as long as You do not set a third page, can be using the same database as the jomsocial version but will have a facebook look as defult layout.

Unfortunately the second problem is not so simple. Writting a new extention or hacking he old one the problem will be with establishing the database connection to a different database.