Thanks for the reply, smellthecoffee and everybody else.
I was just nosey and didn't understand it at all but your information sheds a bit of light on it.
I have to say that it doesn't sound that great to work for BA (to me) and I'm surprised at this because I always thought they would be one of the great ones to work for...
Well, each to his own -as long as you BA people are happy :-)