(Another) question about html and css

Ah, it sounded like some sarcasm to me, as in 'you have no logic to save you, do you', because I've never heard of an 'if statement' before.
I even asked two others what they thought you meant :S
In that case, my apologies.

I think he was referring to an "if" or "if / else" statement. A quick google search brought this to light.

http://www.quirksmode.org/css/condcom.html

I personally have only used this once or twice, and it was to redirect IE users