This sends all the java clients in the room to the specified URL.
/as chan #ConferenceRoom FURL http://www.webmaster.com
Unlike a JOINFURL which will show to each user as they enter the room, this can be sent at any time and will effect all the java users in the room when it is sent. This can be very useful if you are giving a presentation of some form and have web pages to elaborate on certain points. You can move people through the web pages as you go through the presentation.