public void selectCard(CardBase card){
		if (firstCard == null) {
			firstCard = card;
			firstCard.isSelected = true;
			previewCard (card);
		}else{
			if (firstCard.GetInstanceID () != card.GetInstanceID ()) {

				secondCard = card;
				previewCard (card);
				gameState = GameState.Result;
				Debug.Log ("result");
				//if (firstCard.checkPair (card)) {
				//	firstCard.isPaired=card.isPaired=true;
				//	secondCard = card;
				//	previewCard (card);
				//	gameState = GameState.Result;
				//	isMatch = true;
				//} else {
				//	isMatch = false;
				//	previewCard (card);
				//	firstCard.isSelected = card.isSelected = false;
				//	firstCard = null;

				//}


			}
		}
	}