Another memory: when joining a chat, the standard form just said "username enters the chat" or something along those lines, but it was just an HTML form, and the entry text was just a hidden input.You could write your own form that would give a different entry message. A few Geocities sites had a dropdown to select from a few options. I believe I had (probably copied from somewhere else) a form that had both dropdowns and an option to choose a freeform input for your entry text.