Bir Şablonu Websitesine Dönüştür

Hello I have a wordpress website; [login to view URL] I want a chat which registered user or visitor can talk. Requirements; 1-General Chatting Page ( all people can write this page. when someone registred our website, there will be a message like "we have a new user") 2-Private Chatting ( can chat annonymous with registered / can registered with registered) 3-Online User ( I think in this page we can show only registered user) 4-Message Box ( If Registered User take message, they can read their message in box) 5-Users can add eachother