private boolean checkValidClockInput (String inputAlarmData) {
		//this ugly method checks alarmData to make sure it's using a valid 24-hour clock input (HHMMSS)
		//assume input string length of 6 for this, look at assignment of alarmData in AlmBtnListener
		if(Integer.parseInt(inputAlarmData.substring(0, 2)) >= 0 &&
				Integer.parseInt(inputAlarmData.substring(0, 2)) <= 24 &&
				Integer.parseInt(inputAlarmData.substring(2, 4)) >= 0 &&
				Integer.parseInt(inputAlarmData.substring(2, 4)) <= 60 &&
				Integer.parseInt(inputAlarmData.substring(4, 6)) >= 0 &&
				Integer.parseInt(inputAlarmData.substring(4, 6)) <= 60) {
			return true;
		}
		else {
			return false;
		}
	}