I'm looking to add a chat feature to a website so that visitors to the site can talk with each other during a sporting event. I currently have a PHPbb discussion forum and would like to allow people to use their existing usernames in the chat room. Is this possible? Initially I'm just looking to have one main chat room, but it should be configurable so that I can add rooms later. The chat room can be a pop-up window that's accessed from a link on my site, or integrated into a PHP or HTML page on the site itself. If it's a pop-up, the style should be consistent with the style of the website. I can provide graphics if necessary.
If you have additional questions, I'll try to answer them.