"Theo Markettos" wrote :
Another clue: The site worked perfectly well with the previous MSIE, and
with Opera, FF and Chrome. And suddenyly, because IE8*beta* comes along,
and the site fails, it's TfL's fault?
It does cause the W3C validator to get terribly confused when parsing it

So do most sites.
Hey, I'm not saying it's the perfect site.
But if it worked with IE7, FF, Opera, Chrome (which it did),
And IE is famous for NOT keeping to standards,
And it doesn't work with IE8*beta* .... do the math.
--

Andrew