vr_validateAndConvertDate

validateAndConvertDate: function (dateValue, dateInputField, hotelValidation, yearAndMonthInputField) {
    hotelValidation = typeof hotelValidation !== "undefined" ? hotelValidation: false;
    var day;
    var month;
    var year;
    var d = new Date();
    if (dateValue.indexOf(".") != -1) {
        if (dateValue.split(".")[0].length <= 2) {
            day = ("0" + dateValue.split(".")[0]).slice( - 2);
        }
        if (dateValue.split(".")[1].length <= 2) {
            month = ("0" + dateValue.split(".")[1]).slice( - 2);
        }
        if (dateValue.split(".").length == 3) {
            if (dateValue.split(".")[2].length == 2) {
                year = "20" + dateValue.split(".")[2];
            } else {
                if (dateValue.split(".")[2].length == 4) {
                    year = dateValue.split(".")[2];
                }
            }
        } else {
            if (dateValue.split(".").length == 2) {
                var currentMonth = d.getMonth() + 1;
                if (month >= currentMonth) {
                    year = d.getFullYear();
                } else {
                    year = d.getFullYear() + 1;
                }
            }
        }
        if (day == null || day == "undefined") {
            return false;
        }
        if (month == null || month == "undefined") {
            return false;
        }
        if (year == null || year == "undefined" || year < d.getFullYear()) {
            return false;
        }
        if (year == d.getFullYear() && parseInt(month, 10) < d.getMonth() + 1) {
            return false;
        }
        if (year == d.getFullYear() && parseInt(month, 10) == d.getMonth() + 1 && parseInt(day, 10) < d.getDate()) {
            return false;
        }
        if (parseInt(month, 10) > 12) {
            return false;
        }
        if (day < 1 || day > this.daysInMonth(month, year)) {
            return false;
        }
        if (!hotelValidation) {
            dateInputField.val(day + "." + month + "." + year);
        } else {
            dateInputField.val(day);
            yearAndMonthInputField.val(year + "-" + month);
        }
        return true;
    } else {
        if ($.browser.mobile && dateValue.indexOf("-") != -1) {
            if (dateValue.split("-")[0].length == 4) {
                year = dateValue.split("-")[0];
            }
            if (dateValue.split("-")[1].length == 2) {
                month = dateValue.split("-")[1];
            }
            if (dateValue.split("-")[2].length == 2) {
                day = dateValue.split("-")[2];
            }
            if (!hotelValidation) {
                dateInputField.val(day + "." + month + "." + year);
            } else {
                dateInputField.val(day);
                yearAndMonthInputField.val(year + "-" + month);
            }
            return true;
        }
    }
    return false;
},
daysInMonth: function (month, year) {
    return new Date(year, month, 0).getDate();
}