1. The case where one forum is embed on 2 or more sites
When you click the "permalink"- the result depends on the page address at which the click -
When pressed on the site first.com, then the result
http://www.first.com/page#nabble-td1111When pressed on the site second.com, then the result
http://www.second.com/forum#nabble-td11112. Embed code contains an option to choose: to use the style (CSS) nabble server or use a different style on the site server