public CheckResultMessage check21(int day) {
		int r = get(39, 5);
		int c = get(40, 5);
		BigDecimal b = new BigDecimal(0);
		if (checkVersion(file).equals("2003")) {
			try {
				in = new FileInputStream(file);
				hWorkbook = new HSSFWorkbook(in);
				b = getValue(r + 1, c + day, 10).subtract(
						getValue(r, c + day, 10));
				if (0 != getValue(r + 2, c + day, 10).compareTo(b)) {
					return error("支付机构汇总报表<" + fileName + ">客户资金余额变动额 :" + day
							+ "日错误");
				}
			} catch (Exception e) {
			}
		} else {
			try {
				in = new FileInputStream(file);
				hWorkbook = new HSSFWorkbook(in);
				b = getValue1(r + 1, c + day, 10).subtract(
						getValue1(r, c + day, 10));
				if (0 != getValue1(r + 2, c + day, 10).compareTo(b)) {
					return error("支付机构汇总报表<" + fileName + ">客户资金余额变动额 :" + day
							+ "日错误");
				}
			} catch (Exception e) {
			}
		}
		return pass("支付机构汇总报表<" + fileName + ">客户资金余额变动额 :" + day + "日正确");
	}