public void setNextSquare(String square){
		nextYCoord = Integer.parseInt(square.substring(1,2));
		
		switch(square.charAt(0)){
		case 'a':
			nextXCoord=1;
			break;
		case 'b':
			nextXCoord=2;
			break;
		case 'c':
			nextXCoord=3;
			break;
		case 'd':
			nextXCoord=4;
			break;
		case 'e':
			nextXCoord=5;
			break;
		case 'f':
			nextXCoord=6;
			break;
		case 'g':
			nextXCoord=7;
			break;
		case 'h':
			nextXCoord=8;
			break;
		}
		nextSquare = square;
	}