Play 1 or 2 hands.
2 hands must bet at least twice the minimum.
Place bets by clicking the chip denominations you want to bet. (click the blank if no chips of a certain denomination are present)  Right click chips to cancel bet.  The current hand has a box around it.
Hit -- Click cards.
Stand -- Click bet. (Chips in box)
Double or Split -- click any denomination chip.  (Chips below box) (Pairs will split, except 5's, which will double)
Surrender -- Right click cards.