Hohoho, take it easy there friend.
Was it the pagans mixing their stuff with Christmas or they other way around? I thought it was the Christians overlaying their beliefs on the pagan holidays, you should ask carol_au about that, she knows much more about that then I do.
Just be careful with saying things like those. I thought it was the exact other way around, Christians messing with Yule... But not sure about it: I admit.