Change my HTML site to two language

Website: [login to view URL] I want to add chinese language in, which just English and Chinese selector on top right. Then this link redirect to two different folder, which hold two copy of exact website just different language. We have done the translation So your job is: 1. Create a link on top right 2. Do the redirection 3. Create one copy Chinese site, which we have the site and content ready, just changing language. 4. Budget $20. 5. Done in 1 day.