Chat

I need a chat script like yahoo chat sorta but with banners under where you type... I know there are a lot of free scripts out there but am looking for a little better . Also when you reply can you tell me if chats bog down the servers and how much? Can you please try and supply me with a demo of your chat script and a list of features? things included banner rotation at bottom user registration store info in database ban user ban certain words can hold a substantial #of users ## Deliverables Complete source code of all programming work done email demo info to me please ## Deadline information Now accepting higher bids .. Live in Canada