function isValidDate(dateStr) {
        var format = "DMY";
        if (format.substring(0, 1) == "Y") { // If the year is first
            var reg1 = /^\d{2}(\-|\/|\.)\d{1,2}\1\d{1,2}$/
            var reg2 = /^\d{4}(\-|\/|\.)\d{1,2}\1\d{1,2}$/
        } else if (format.substring(1, 2) == "Y") { // If the year is second
            var reg1 = /^\d{1,2}(\-|\/|\.)\d{2}\1\d{1,2}$/
            var reg2 = /^\d{1,2}(\-|\/|\.)\d{4}\1\d{1,2}$/
        } else { // The year must be third
            var reg1 = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{2}$/
            var reg2 = /^\d{1,2}(\-|\/|\.)\d{1,2}\1\d{4}$/
        }
        // If it doesn't conform to the right format (with either a 2 digit year or 4 digit year), fail
        if ((reg1.test(dateStr) == false) && (reg2.test(dateStr) == false)) { return false; }
        var parts = dateStr.split(RegExp.$1); // Split into 3 parts based on what the divider was
        // Check to see if the 3 parts end up making a valid date
        if (format.substring(0, 1) == "M") { var mm = parts[0]; } else
        if (format.substring(1, 2) == "M") { var mm = parts[1]; } else { var mm = parts[2]; }
        if (format.substring(0, 1) == "D") { var dd = parts[0]; } else
        if (format.substring(1, 2) == "D") { var dd = parts[1]; } else { var dd = parts[2]; }
        if (format.substring(0, 1) == "Y") { var yy = parts[0]; } else
        if (format.substring(1, 2) == "Y") { var yy = parts[1]; } else { var yy = parts[2]; }
        if (parseFloat(yy) <= 50) { yy = (parseFloat(yy) + 2000).toString(); }
        if (parseFloat(yy) <= 99) { yy = (parseFloat(yy) + 1900).toString(); }
        var dt = new Date(parseFloat(yy), parseFloat(mm) - 1, parseFloat(dd), 0, 0, 0, 0);
        if (parseFloat(dd) != dt.getDate()) { return false; }
        if (parseFloat(mm) - 1 != dt.getMonth()) { return false; }

        return true;
    }