, RoyalSchrubber wrote

@blowdart:Thanks for reply. 'Privacy' tab (in IE9 on Vista at least) does not have per zone settings, 'Security' tab does - this makes me think you wrote that from your memory and didn't go and check settings.

Oops yes, sorry. Blocking cookies though isn't going to prevent the script running, it blocks them being dropped. If a script has a source form somewhere that has dropped the cookie it'll see it. That's true for firefox too.