[ QUOTE ]
Dealer SB, Other player BB.
[/ QUOTE ]
To add to the confusion, the Dealer is 1st to act before the flop, last to act after the flop.
From
http://www.homepokertourney.com/button.htm :
[ QUOTE ]
Heads-up play
The small blind is the button and acts first before the flop and last after the flop. The player who does not have the button is dealt the first card.
[/ QUOTE ]