TonalSpeller asks: "I'm in charge of a language learning computer lab in an Asian university. We have Windows XP on all machines, but I convinced my superior that I needed to hide Internet Explorer on all student machines (can't remove it entirely because some proprietary software might need access to it). I'm counting on security through obscurity -- I know that a minority of savvy people can still access IE via the command line. I am running the latest version of Opera and Firefox 1.0 PR on all machines, but now I am faced with a dilemma -- extending Firefox is so easy that sooner or later, someone will try to install Chatzilla. Is there any easy way to block Javascript while keeping Firefox's superb usability? I will be running TrustNoExe, but that won't catch Mozilla extensions. Any ideas or suggestions?"