private boolean isNear(int i1, int j1, int i2, int j2){
		int idif = Math.abs(i1-i2);
		int jdif = Math.abs(j1-j2);

		if(idif > -1 && idif < 2 && jdif > -1 && jdif < 2)
			return true;
		return false;
	}