Just to add my not-really-worth-anything-because-of-inflation two cents...
As far as IE users, they make up between 45% and 80% of the users for the various websites I work on. It's been said a million times, but it should be said again. Design for W3 standards, adjust for IE.
At best, that could have been a bug exploit as suggested above. Regardless, there is no way to truly hide the source from the end user. In fact, Safari (and Opera now I believe) has ways of editting the source so they can play around with the cached version of your website. And trusting some script kiddie on eBay, well, as told to the preschoolers: you get what you get and you don't throw a fit.
Pssh, C++ was all the rage in the 80's At least, by people in the in...
And hopefully by then it doesn't suck as much as now. I haven't used RC1, but B3 was absolutely terrible.
Check out Gordaen's Knowledge, the blog, and the MR2 page.