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Sites with this kind of system and especially that combination is rare however, so for almost any other place this is not an issue. Disabling it on this site might be a good idea though, if nothing else because some home nodes likes to annoy people severely because their owners has some kind of JS-hate. I don't mean the friendly warnings about the security, but rather the ones that crash browsers or popup a million windows/popups and such. Pretty silly.
I rarely use JS myself, but used right, it can really enhance a site, and in a much better way that those stupid flash sites that just makes sites hard to use. Flash is good for games and funny movies, nothing else IMO. :) Like any technology, there are good and bad uses.
As a side note, JScript (the MS version) and VBScript and all that crap has at least in the past shown to be very dangerous beasts, with severe security issues and the possibility to write a virus on a web page. Having those disabled is probably still a good idea, and I suggest doing that by not using IE. Finally, the replacements such as Firebird is actually better in all respects, not just better morally, philosophically and in some areas such as popup blocking and security. So no excuse to be on IE still. Apart from some special sites, though Firebird works nice at my bank too, and no site I've wanted to visit the last few months have required IE anymore. Happy me. :)
You have moved into a dark place.
It is pitch black. You are likely to be eaten by a grue.