web based ajax chat like yahoo(repost)(repost)

I need new ajax chat system in php/mysql must be very fast in messaging. Chat layout like yahoo chat room with all features yahoo chat has like guest/member login/fonts bold/emoticons same like yahoo chat room. For every feature there must be option in admin to enable/disable. Private chat windows must be like yahoo chat room. SAME LIKE YAHOO CHAT ROOM IN AJAX CHAT. You can demo yahoo chat rooms by opening yahoo messenger and join chat rooms. You need to submit daily reports. ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No 3rd party components unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). ## Platform php/mysql