IE fail?

[Peegee]

I'm trying to block certain sites from being accessed by the browser (ads, shock, etc) and everything works fine in firefox. In IE6 I cannot block sites when I access them this way: http:// www. google.ca but http:// google.ca is blocked.

I have the lines in hosts file thus:

127.0.0.1 google.ca
127.0.0.1 http:// www. google.ca

sans space on the http urls.

And google.ca is blocked but not http www. google.ca

Both are blocked in firefox, so technically I'm fine since I don't use IE, but it still bugs me enough to want to fix. Any idea how? Google is just telling me to save this and that in the hosts file, so I'm lost.