I went to the site and clicked on the "chat live on visitrs" link in the bottom right corner. I got a tiny pop-up which was blocked by Firefox's popup blocker. I think there are ways to fix this so the pop-up does not get blocked when clicking on the link.<p>I set FF to allow the pop-up, and then got a blank window (not sure if this is a problem with the site or with FF). I closed the window, and clicked on the chat link again, at which point I did get a pop-up asking me to login or register. At this point, I just gave up.<p>I would strongly recommend <i>not</i> requiring registration for this type of application.