Web sites have increasingly become more sophisticated in how they distribute information to millions of people all around the world. The challenge is how to ensure those sites get information out in a timely, efficient manner to a number of different audiences - even in different languages - all without sacrificing content and the dynamic capability of the site. Internationalizing your web site is not as simple as translation the text from one language into another.
Luqman Technologies - Pakistan was one of the first Content Management systems to support multiple user interface languages transparently out-of-the-box, and currently using with over 20+ languages enabled (if desired and paid). This happened in large part due to the pioneering work of Luqman Technologies - Pakistan and their collaborators all around the world.
There are several methods of organizing multilingual websites - template switching, master and subordinate sites, and parallel sites. One of the ways is creation of a separate folder for each language.