Add Language Translation feature to your Blog.

In order to add language translation feature to your Blog or Website, follow the steps below

1.) Point your Browser to Google Translate Tools section. (http://translate.google.com/translate_tools?hl=en)
2.) Select the language of your website or blog. The option you select should be the same as the language of your website, else the translation won’t work properly.
3.) Copy the code from the page and paste it on your webpage whereever you would like to have the language translation feature.

Source: http://technofriends.in/2008/11/23/how-to-add-language-translation-feature-to-your-website-or-blog/