Well lot of plugins are available to translate your page to different language. All major plugins use the Google Translate toolkit.
Google Recently announce the Google Translate Gadget to translate upto 51 different languages. Its very easy to implement on the side. Just copy the code and paste it on the site and its done to translate your page to user required language in few seconds (or minutes depending on the speed).
» Read more: The all new Google Translate Gadget for you websites to change your site lanuguage.
