Mozilla and MSIE have the xmlhttp object implemented differently. I thought the code was for MSIE, showing an alternative way for something you could do in Mozilla.... I guess it was the other way around.... That's what you get when you're hasty , sorry...
Woo, I've been smarter than CookkieRevised for the first (and the last) time in my life
Anyway, I have inserted Eljay's code and it works now
/ 
, sorry...
