You would have to manually translate the pages to be Italian. There are no separate language files, the language is embedded into the page directly. Basically you would have to translate all the text from English to Italian.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.