In any given casino, you can tell which rule is in effect by looking at the blackjack tabletop. An Ace in the dealer's hand is always counted as 11 if possible without the dealer going over 21. He will continue to draw cards until the hand's value is 17 or more. Blackjack is played with eight fifty-two card decks. After each game has been played, the used cards will be shuffled back into the deck.
All face cards are worth ten.
All other cards are worth their face value. The simplest way to get exactly twenty-one is to hold an ace and either a face card or a ten. Your Chips are stacked by denomination in the right corner of the screen. The minimum amount that may be bet is highlighted. This amount may be increased by placing the mouse on the stack that you wish to add to your bet.