website in multi language technique

[saps101]

Hello, I'm working on a website that support more than one language and I try to understand the technique used by cms.
I can set a session variable to switch the content but inside the dw design view I don't see right the page.
For sample this website www.enel.com switch the language by a link and I don't know if use a url rewrite or have a mirror with other language.
I'm on the right way ?

[bregent]

I don't think there is any way to tell for sure. My guess is that they are dynamically populating the text with the language based on the user selection, and rewriting to friendly urls - but it could just be a mirror site. If the site is small, then maintaining a mirror in a different language is not that bad. If the site is larger, or you need to maintain more than two languages, I would think it would get to be a pain.