This bug may be related to https://bugs.launchpad.net/ubuntu/+source/firefox-3.5/+bug/399380, "comcastsupport.com web chat works with firefox-3.0, doesn't work with firefox-3.5". I tried the profile trick in comment 2. No joy.
This bug may be related to https:/ /bugs.launchpad .net/ubuntu/ +source/ firefox- 3.5/+bug/ 399380, "comcastsupport.com web chat works with firefox-3.0, doesn't work with firefox-3.5". I tried the profile trick in comment 2. No joy.