var modernhlightbluedateformat;
var modernhlightbluelocale;
var modernhlightbluenights;

Date.prototype.addDays = function (days) {
    this.setDate(this.getDate() + days);
}

$(document).ready(function () {

    modernhlightbluedateformat = $('#modern-h-lightblue-df').val();
    modernhlightbluelocale = $('#modern-h-lightblue-locale').val();
    modernhlightbluenights = parseInt($('#modern-h-lightblue-nights').val());
    $.datepicker.setDefaults($.datepicker.regional[modernhlightbluelocale]);

    $("#modern-h-lightblue-ci").datepicker({
        showOn: "button",
        buttonImage: "http://www.geobookings.com/data/forms/modern-h-lightblue/images/calendar.jpg",
        buttonImageOnly: true,
        changeMonth: true,
        changeYear: true,
        minDate: 0,
        dateFormat: modernhlightbluedateformat,
        onSelect: function (dateText, inst) {
            sDate = $("#modern-h-lightblue-ci").datepicker("getDate");
            sDate.addDays(modernhlightbluenights);
            $("#modern-h-lightblue-co").datepicker("setDate", sDate);
        }
    });
    $("#modern-h-lightblue-ci").datepicker($.datepicker.regional[modernhlightbluelocale]).datepicker("setDate", "+0d");

    $("#modern-h-lightblue-co").datepicker({
        showOn: "button",
        buttonImage: "http://www.geobookings.com/data/forms/modern-h-lightblue/images/calendar.jpg",
        buttonImageOnly: true,
        changeMonth: true,
        minDate: 1,
        changeYear: true,
        dateFormat: modernhlightbluedateformat
    });
    $("#modern-h-lightblue-co").datepicker($.datepicker.regional[modernhlightbluelocale]).datepicker("setDate", "+" + modernhlightbluenights + "d");

    $("#modern-h-lightblue-go").click(function () {
        var id = $('#modern-h-lightblue-id').val();
        var lid = $('#modern-h-lightblue-lid').val();
        var interface = $('#modern-h-lightblue-interface').val();
        var theme = $('#modern-h-lightblue-theme').val();
        var ci = $('#modern-h-lightblue-ci').val();
        var co = $('#modern-h-lightblue-co').val();
        var windowname = "geobooking" + id;
        window.open(interface + '?id=' + id + '&ci=' + ci + '&co=' + co + "&th=" + theme + "&l=" + lid, windowname, 'width=996,height=718,scrollbars=no,status=yes,resizable=no');
    });

});