public static int attemptGetEntryFieldByNumberInput(List<Integer> fieldList, String input)
	{
		int intInput;
		
		try { intInput = Integer.valueOf(input); } catch (NumberFormatException e) { return -1; }
		
		if (intInput > -1 && intInput < fieldList.size())
			return intInput;
		
		return -1;
	}