/**
* @version: 3.0.5
* @author: dan grossman http://www.dangrossman.info/
* @copyright: copyright (c) 2012-2019 dan grossman. all rights reserved.
* @license: licensed under the mit license. see http://www.opensource.org/licenses/mit-license.php
* @website: http://www.daterangepicker.com/
*/
// following the umd template https://github.com/umdjs/umd/blob/master/templates/returnexportsglobal.js
(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        // amd. make globaly available as well
        define(['moment', 'jquery'], function (moment, jquery) {
            if (!jquery.fn) jquery.fn = {}; // webpack server rendering
            if (typeof moment !== 'function' && moment.default) moment = moment.default
            return factory(moment, jquery);
        });
    } else if (typeof module === 'object' && module.exports) {
        // node / browserify
        //isomorphic issue
        var jquery = (typeof window != 'undefined') ? window.jquery : undefined;
        if (!jquery) {
            jquery = require('jquery');
            if (!jquery.fn) jquery.fn = {};
        }
        var moment = (typeof window != 'undefined' && typeof window.moment != 'undefined') ? window.moment : require('moment');
        module.exports = factory(moment, jquery);
    } else {
        // browser globals
        root.daterangepicker = factory(root.moment, root.jquery);
    }
}(this, function(moment, $) {
    var daterangepicker = function(element, options, cb) {

        //default settings for options
        this.parentel = 'body';
        this.element = $(element);
        this.startdate = moment().startof('day');
        this.enddate = moment().endof('day');
        this.mindate = false;
        this.maxdate = false;
        this.maxspan = false;
        this.autoapply = false;
        this.singledatepicker = false;
        this.showdropdowns = false;
        this.minyear = moment().subtract(100, 'year').format('yyyy');
        this.maxyear = moment().add(100, 'year').format('yyyy');
        this.showweeknumbers = false;
        this.showisoweeknumbers = false;
        this.showcustomrangelabel = true;
        this.timepicker = false;
        this.timepicker24hour = false;
        this.timepickerincrement = 1;
        this.timepickerseconds = false;
        this.linkedcalendars = true;
        this.autoupdateinput = true;
        this.alwaysshowcalendars = false;
        this.ranges = {};

        this.opens = 'right';
        if (this.element.hasclass('pull-right'))
            this.opens = 'left';

        this.drops = 'down';
        if (this.element.hasclass('dropup'))
            this.drops = 'up';

        this.buttonclasses = 'btn btn-sm';
        this.applybuttonclasses = 'btn-primary';
        this.cancelbuttonclasses = 'btn-default';

        this.locale = {
            direction: 'ltr',
            format: moment.localedata().longdateformat('l'),
            separator: ' - ',
            applylabel: 'apply',
            cancellabel: 'cancel',
            weeklabel: 'w',
            customrangelabel: 'custom range',
            daysofweek: moment.weekdaysmin(),
            monthnames: moment.monthsshort(),
            firstday: moment.localedata().firstdayofweek()
        };

        this.callback = function() { };

        //some state information
        this.isshowing = false;
        this.leftcalendar = {};
        this.rightcalendar = {};

        //custom options from user
        if (typeof options !== 'object' || options === null)
            options = {};

        //allow setting options with data attributes
        //data-api options will be overwritten with custom javascript options
        options = $.extend(this.element.data(), options);

        //html template for the picker ui
        if (typeof options.template !== 'string' && !(options.template instanceof $))
            options.template =
            '<div class="daterangepicker">' +
                '<div class="ranges"></div>' +
                '<div class="drp-calendar left">' +
                    '<div class="calendar-table"></div>' +
                    '<div class="calendar-time"></div>' +
                '</div>' +
                '<div class="drp-calendar right">' +
                    '<div class="calendar-table"></div>' +
                    '<div class="calendar-time"></div>' +
                '</div>' +
                '<div class="drp-buttons">' +
                    '<span class="drp-selected"></span>' +
                    '<button class="cancelbtn" type="button"></button>' +
                    '<button class="applybtn" disabled="disabled" type="button"></button> ' +
                '</div>' +
            '</div>';

        this.parentel = (options.parentel && $(options.parentel).length) ? $(options.parentel) : $(this.parentel);
        this.container = $(options.template).appendto(this.parentel);

        //
        // handle all the possible options overriding defaults
        //

        if (typeof options.locale === 'object') {

            if (typeof options.locale.direction === 'string')
                this.locale.direction = options.locale.direction;

            if (typeof options.locale.format === 'string')
                this.locale.format = options.locale.format;

            if (typeof options.locale.separator === 'string')
                this.locale.separator = options.locale.separator;

            if (typeof options.locale.daysofweek === 'object')
                this.locale.daysofweek = options.locale.daysofweek.slice();

            if (typeof options.locale.monthnames === 'object')
              this.locale.monthnames = options.locale.monthnames.slice();

            if (typeof options.locale.firstday === 'number')
              this.locale.firstday = options.locale.firstday;

            if (typeof options.locale.applylabel === 'string')
              this.locale.applylabel = options.locale.applylabel;

            if (typeof options.locale.cancellabel === 'string')
              this.locale.cancellabel = options.locale.cancellabel;

            if (typeof options.locale.weeklabel === 'string')
              this.locale.weeklabel = options.locale.weeklabel;

            if (typeof options.locale.customrangelabel === 'string'){
                //support unicode chars in the custom range name.
                var elem = document.createelement('textarea');
                elem.innerhtml = options.locale.customrangelabel;
                var rangehtml = elem.value;
                this.locale.customrangelabel = rangehtml;
            }
        }
        this.container.addclass(this.locale.direction);

        if (typeof options.startdate === 'string')
            this.startdate = moment(options.startdate, this.locale.format);

        if (typeof options.enddate === 'string')
            this.enddate = moment(options.enddate, this.locale.format);

        if (typeof options.mindate === 'string')
            this.mindate = moment(options.mindate, this.locale.format);

        if (typeof options.maxdate === 'string')
            this.maxdate = moment(options.maxdate, this.locale.format);

        if (typeof options.startdate === 'object')
            this.startdate = moment(options.startdate);

        if (typeof options.enddate === 'object')
            this.enddate = moment(options.enddate);

        if (typeof options.mindate === 'object')
            this.mindate = moment(options.mindate);

        if (typeof options.maxdate === 'object')
            this.maxdate = moment(options.maxdate);

        // sanity check for bad options
        if (this.mindate && this.startdate.isbefore(this.mindate))
            this.startdate = this.mindate.clone();

        // sanity check for bad options
        if (this.maxdate && this.enddate.isafter(this.maxdate))
            this.enddate = this.maxdate.clone();

        if (typeof options.applybuttonclasses === 'string')
            this.applybuttonclasses = options.applybuttonclasses;

        if (typeof options.applyclass === 'string') //backwards compat
            this.applybuttonclasses = options.applyclass;

        if (typeof options.cancelbuttonclasses === 'string')
            this.cancelbuttonclasses = options.cancelbuttonclasses;

        if (typeof options.cancelclass === 'string') //backwards compat
            this.cancelbuttonclasses = options.cancelclass;

        if (typeof options.maxspan === 'object')
            this.maxspan = options.maxspan;

        if (typeof options.datelimit === 'object') //backwards compat
            this.maxspan = options.datelimit;

        if (typeof options.opens === 'string')
            this.opens = options.opens;

        if (typeof options.drops === 'string')
            this.drops = options.drops;

        if (typeof options.showweeknumbers === 'boolean')
            this.showweeknumbers = options.showweeknumbers;

        if (typeof options.showisoweeknumbers === 'boolean')
            this.showisoweeknumbers = options.showisoweeknumbers;

        if (typeof options.buttonclasses === 'string')
            this.buttonclasses = options.buttonclasses;

        if (typeof options.buttonclasses === 'object')
            this.buttonclasses = options.buttonclasses.join(' ');

        if (typeof options.showdropdowns === 'boolean')
            this.showdropdowns = options.showdropdowns;

        if (typeof options.minyear === 'number')
            this.minyear = options.minyear;

        if (typeof options.maxyear === 'number')
            this.maxyear = options.maxyear;

        if (typeof options.showcustomrangelabel === 'boolean')
            this.showcustomrangelabel = options.showcustomrangelabel;

        if (typeof options.singledatepicker === 'boolean') {
            this.singledatepicker = options.singledatepicker;
            if (this.singledatepicker)
                this.enddate = this.startdate.clone();
        }

        if (typeof options.timepicker === 'boolean')
            this.timepicker = options.timepicker;

        if (typeof options.timepickerseconds === 'boolean')
            this.timepickerseconds = options.timepickerseconds;

        if (typeof options.timepickerincrement === 'number')
            this.timepickerincrement = options.timepickerincrement;

        if (typeof options.timepicker24hour === 'boolean')
            this.timepicker24hour = options.timepicker24hour;

        if (typeof options.autoapply === 'boolean')
            this.autoapply = options.autoapply;

        if (typeof options.autoupdateinput === 'boolean')
            this.autoupdateinput = options.autoupdateinput;

        if (typeof options.linkedcalendars === 'boolean')
            this.linkedcalendars = options.linkedcalendars;

        if (typeof options.isinvaliddate === 'function')
            this.isinvaliddate = options.isinvaliddate;

        if (typeof options.iscustomdate === 'function')
            this.iscustomdate = options.iscustomdate;

        if (typeof options.alwaysshowcalendars === 'boolean')
            this.alwaysshowcalendars = options.alwaysshowcalendars;

        // update day names order to firstday
        if (this.locale.firstday != 0) {
            var iterator = this.locale.firstday;
            while (iterator > 0) {
                this.locale.daysofweek.push(this.locale.daysofweek.shift());
                iterator--;
            }
        }

        var start, end, range;

        //if no start/end dates set, check if an input element contains initial values
        if (typeof options.startdate === 'undefined' && typeof options.enddate === 'undefined') {
            if ($(this.element).is(':text')) {
                var val = $(this.element).val(),
                    split = val.split(this.locale.separator);

                start = end = null;

                if (split.length == 2) {
                    start = moment(split[0], this.locale.format);
                    end = moment(split[1], this.locale.format);
                } else if (this.singledatepicker && val !== "") {
                    start = moment(val, this.locale.format);
                    end = moment(val, this.locale.format);
                }
                if (start !== null && end !== null) {
                    this.setstartdate(start);
                    this.setenddate(end);
                }
            }
        }

        if (typeof options.ranges === 'object') {
            for (range in options.ranges) {

                if (typeof options.ranges[range][0] === 'string')
                    start = moment(options.ranges[range][0], this.locale.format);
                else
                    start = moment(options.ranges[range][0]);

                if (typeof options.ranges[range][1] === 'string')
                    end = moment(options.ranges[range][1], this.locale.format);
                else
                    end = moment(options.ranges[range][1]);

                // if the start or end date exceed those allowed by the mindate or maxspan
                // options, shorten the range to the allowable period.
                if (this.mindate && start.isbefore(this.mindate))
                    start = this.mindate.clone();

                var maxdate = this.maxdate;
                if (this.maxspan && maxdate && start.clone().add(this.maxspan).isafter(maxdate))
                    maxdate = start.clone().add(this.maxspan);
                if (maxdate && end.isafter(maxdate))
                    end = maxdate.clone();

                // if the end of the range is before the minimum or the start of the range is
                // after the maximum, don't display this range option at all.
                if ((this.mindate && end.isbefore(this.mindate, this.timepicker ? 'minute' : 'day'))
                  || (maxdate && start.isafter(maxdate, this.timepicker ? 'minute' : 'day')))
                    continue;

                //support unicode chars in the range names.
                var elem = document.createelement('textarea');
                elem.innerhtml = range;
                var rangehtml = elem.value;

                this.ranges[rangehtml] = [start, end];
            }

            var list = '<ul>';
            for (range in this.ranges) {
                list += '<li data-range-key="' + range + '">' + range + '</li>';
            }
            if (this.showcustomrangelabel) {
                list += '<li data-range-key="' + this.locale.customrangelabel + '">' + this.locale.customrangelabel + '</li>';
            }
            list += '</ul>';
            this.container.find('.ranges').prepend(list);
        }

        if (typeof cb === 'function') {
            this.callback = cb;
        }

        if (!this.timepicker) {
            this.startdate = this.startdate.startof('day');
            this.enddate = this.enddate.endof('day');
            this.container.find('.calendar-time').hide();
        }

        //can't be used together for now
        if (this.timepicker && this.autoapply)
            this.autoapply = false;

        if (this.autoapply) {
            this.container.addclass('auto-apply');
        }

        if (typeof options.ranges === 'object')
            this.container.addclass('show-ranges');

        if (this.singledatepicker) {
            this.container.addclass('single');
            this.container.find('.drp-calendar.left').addclass('single');
            this.container.find('.drp-calendar.left').show();
            this.container.find('.drp-calendar.right').hide();
            if (!this.timepicker) {
                this.container.addclass('auto-apply');
            }
        }

        if ((typeof options.ranges === 'undefined' && !this.singledatepicker) || this.alwaysshowcalendars) {
            this.container.addclass('show-calendar');
        }

        this.container.addclass('opens' + this.opens);

        //apply css classes and labels to buttons
        this.container.find('.applybtn, .cancelbtn').addclass(this.buttonclasses);
        if (this.applybuttonclasses.length)
            this.container.find('.applybtn').addclass(this.applybuttonclasses);
        if (this.cancelbuttonclasses.length)
            this.container.find('.cancelbtn').addclass(this.cancelbuttonclasses);
        this.container.find('.applybtn').html(this.locale.applylabel);
        this.container.find('.cancelbtn').html(this.locale.cancellabel);

        //
        // event listeners
        //

        this.container.find('.drp-calendar')
            .on('click.daterangepicker', '.prev', $.proxy(this.clickprev, this))
            .on('click.daterangepicker', '.next', $.proxy(this.clicknext, this))
            .on('mousedown.daterangepicker', 'td.available', $.proxy(this.clickdate, this))
            .on('mouseenter.daterangepicker', 'td.available', $.proxy(this.hoverdate, this))
            .on('change.daterangepicker', 'select.yearselect', $.proxy(this.monthoryearchanged, this))
            .on('change.daterangepicker', 'select.monthselect', $.proxy(this.monthoryearchanged, this))
            .on('change.daterangepicker', 'select.hourselect,select.minuteselect,select.secondselect,select.ampmselect', $.proxy(this.timechanged, this))

        this.container.find('.ranges')
            .on('click.daterangepicker', 'li', $.proxy(this.clickrange, this))

        this.container.find('.drp-buttons')
            .on('click.daterangepicker', 'button.applybtn', $.proxy(this.clickapply, this))
            .on('click.daterangepicker', 'button.cancelbtn', $.proxy(this.clickcancel, this))

        if (this.element.is('input') || this.element.is('button')) {
            this.element.on({
                'click.daterangepicker': $.proxy(this.show, this),
                'focus.daterangepicker': $.proxy(this.show, this),
                'keyup.daterangepicker': $.proxy(this.elementchanged, this),
                'keydown.daterangepicker': $.proxy(this.keydown, this) //ie 11 compatibility
            });
        } else {
            this.element.on('click.daterangepicker', $.proxy(this.toggle, this));
            this.element.on('keydown.daterangepicker', $.proxy(this.toggle, this));
        }

        //
        // if attached to a text input, set the initial value
        //

        this.updateelement();

    };

    daterangepicker.prototype = {

        constructor: daterangepicker,

        setstartdate: function(startdate) {
            if (typeof startdate === 'string')
                this.startdate = moment(startdate, this.locale.format);

            if (typeof startdate === 'object')
                this.startdate = moment(startdate);

            if (!this.timepicker)
                this.startdate = this.startdate.startof('day');

            if (this.timepicker && this.timepickerincrement)
                this.startdate.minute(math.round(this.startdate.minute() / this.timepickerincrement) * this.timepickerincrement);

            if (this.mindate && this.startdate.isbefore(this.mindate)) {
                this.startdate = this.mindate.clone();
                if (this.timepicker && this.timepickerincrement)
                    this.startdate.minute(math.round(this.startdate.minute() / this.timepickerincrement) * this.timepickerincrement);
            }

            if (this.maxdate && this.startdate.isafter(this.maxdate)) {
                this.startdate = this.maxdate.clone();
                if (this.timepicker && this.timepickerincrement)
                    this.startdate.minute(math.floor(this.startdate.minute() / this.timepickerincrement) * this.timepickerincrement);
            }

            if (!this.isshowing)
                this.updateelement();

            this.updatemonthsinview();
        },

        setenddate: function(enddate) {
            if (typeof enddate === 'string')
                this.enddate = moment(enddate, this.locale.format);

            if (typeof enddate === 'object')
                this.enddate = moment(enddate);

            if (!this.timepicker)
                this.enddate = this.enddate.endof('day');

            if (this.timepicker && this.timepickerincrement)
                this.enddate.minute(math.round(this.enddate.minute() / this.timepickerincrement) * this.timepickerincrement);

            if (this.enddate.isbefore(this.startdate))
                this.enddate = this.startdate.clone();

            if (this.maxdate && this.enddate.isafter(this.maxdate))
                this.enddate = this.maxdate.clone();

            if (this.maxspan && this.startdate.clone().add(this.maxspan).isbefore(this.enddate))
                this.enddate = this.startdate.clone().add(this.maxspan);

            this.previousrighttime = this.enddate.clone();

            this.container.find('.drp-selected').html(this.startdate.format(this.locale.format) + this.locale.separator + this.enddate.format(this.locale.format));

            if (!this.isshowing)
                this.updateelement();

            this.updatemonthsinview();
        },

        isinvaliddate: function() {
            return false;
        },

        iscustomdate: function() {
            return false;
        },

        updateview: function() {
            if (this.timepicker) {
                this.rendertimepicker('left');
                this.rendertimepicker('right');
                if (!this.enddate) {
                    this.container.find('.right .calendar-time select').prop('disabled', true).addclass('disabled');
                } else {
                    this.container.find('.right .calendar-time select').prop('disabled', false).removeclass('disabled');
                }
            }
            if (this.enddate)
                this.container.find('.drp-selected').html(this.startdate.format(this.locale.format) + this.locale.separator + this.enddate.format(this.locale.format));
            this.updatemonthsinview();
            this.updatecalendars();
            this.updateforminputs();
        },

        updatemonthsinview: function() {
            if (this.enddate) {

                //if both dates are visible already, do nothing
                if (!this.singledatepicker && this.leftcalendar.month && this.rightcalendar.month &&
                    (this.startdate.format('yyyy-mm') == this.leftcalendar.month.format('yyyy-mm') || this.startdate.format('yyyy-mm') == this.rightcalendar.month.format('yyyy-mm'))
                    &&
                    (this.enddate.format('yyyy-mm') == this.leftcalendar.month.format('yyyy-mm') || this.enddate.format('yyyy-mm') == this.rightcalendar.month.format('yyyy-mm'))
                    ) {
                    return;
                }

                this.leftcalendar.month = this.startdate.clone().date(2);
                if (!this.linkedcalendars && (this.enddate.month() != this.startdate.month() || this.enddate.year() != this.startdate.year())) {
                    this.rightcalendar.month = this.enddate.clone().date(2);
                } else {
                    this.rightcalendar.month = this.startdate.clone().date(2).add(1, 'month');
                }

            } else {
                if (this.leftcalendar.month.format('yyyy-mm') != this.startdate.format('yyyy-mm') && this.rightcalendar.month.format('yyyy-mm') != this.startdate.format('yyyy-mm')) {
                    this.leftcalendar.month = this.startdate.clone().date(2);
                    this.rightcalendar.month = this.startdate.clone().date(2).add(1, 'month');
                }
            }
            if (this.maxdate && this.linkedcalendars && !this.singledatepicker && this.rightcalendar.month > this.maxdate) {
              this.rightcalendar.month = this.maxdate.clone().date(2);
              this.leftcalendar.month = this.maxdate.clone().date(2).subtract(1, 'month');
            }
        },

        updatecalendars: function() {

            if (this.timepicker) {
                var hour, minute, second;
                if (this.enddate) {
                    hour = parseint(this.container.find('.left .hourselect').val(), 10);
                    minute = parseint(this.container.find('.left .minuteselect').val(), 10);
                    if (isnan(minute)) {
                        minute = parseint(this.container.find('.left .minuteselect option:last').val(), 10);
                    }
                    second = this.timepickerseconds ? parseint(this.container.find('.left .secondselect').val(), 10) : 0;
                    if (!this.timepicker24hour) {
                        var ampm = this.container.find('.left .ampmselect').val();
                        if (ampm === 'pm' && hour < 12)
                            hour += 12;
                        if (ampm === 'am' && hour === 12)
                            hour = 0;
                    }
                } else {
                    hour = parseint(this.container.find('.right .hourselect').val(), 10);
                    minute = parseint(this.container.find('.right .minuteselect').val(), 10);
                    if (isnan(minute)) {
                        minute = parseint(this.container.find('.right .minuteselect option:last').val(), 10);
                    }
                    second = this.timepickerseconds ? parseint(this.container.find('.right .secondselect').val(), 10) : 0;
                    if (!this.timepicker24hour) {
                        var ampm = this.container.find('.right .ampmselect').val();
                        if (ampm === 'pm' && hour < 12)
                            hour += 12;
                        if (ampm === 'am' && hour === 12)
                            hour = 0;
                    }
                }
                this.leftcalendar.month.hour(hour).minute(minute).second(second);
                this.rightcalendar.month.hour(hour).minute(minute).second(second);
            }

            this.rendercalendar('left');
            this.rendercalendar('right');

            //highlight any predefined range matching the current start and end dates
            this.container.find('.ranges li').removeclass('active');
            if (this.enddate == null) return;

            this.calculatechosenlabel();
        },

        rendercalendar: function(side) {

            //
            // build the matrix of dates that will populate the calendar
            //

            var calendar = side == 'left' ? this.leftcalendar : this.rightcalendar;
            var month = calendar.month.month();
            var year = calendar.month.year();
            var hour = calendar.month.hour();
            var minute = calendar.month.minute();
            var second = calendar.month.second();
            var daysinmonth = moment([year, month]).daysinmonth();
            var firstday = moment([year, month, 1]);
            var lastday = moment([year, month, daysinmonth]);
            var lastmonth = moment(firstday).subtract(1, 'month').month();
            var lastyear = moment(firstday).subtract(1, 'month').year();
            var daysinlastmonth = moment([lastyear, lastmonth]).daysinmonth();
            var dayofweek = firstday.day();

            //initialize a 6 rows x 7 columns array for the calendar
            var calendar = [];
            calendar.firstday = firstday;
            calendar.lastday = lastday;

            for (var i = 0; i < 6; i++) {
                calendar[i] = [];
            }

            //populate the calendar with date objects
            var startday = daysinlastmonth - dayofweek + this.locale.firstday + 1;
            if (startday > daysinlastmonth)
                startday -= 7;

            if (dayofweek == this.locale.firstday)
                startday = daysinlastmonth - 6;

            var curdate = moment([lastyear, lastmonth, startday, 12, minute, second]);

            var col, row;
            for (var i = 0, col = 0, row = 0; i < 42; i++, col++, curdate = moment(curdate).add(24, 'hour')) {
                if (i > 0 && col % 7 === 0) {
                    col = 0;
                    row++;
                }
                calendar[row][col] = curdate.clone().hour(hour).minute(minute).second(second);
                curdate.hour(12);

                if (this.mindate && calendar[row][col].format('yyyy-mm-dd') == this.mindate.format('yyyy-mm-dd') && calendar[row][col].isbefore(this.mindate) && side == 'left') {
                    calendar[row][col] = this.mindate.clone();
                }

                if (this.maxdate && calendar[row][col].format('yyyy-mm-dd') == this.maxdate.format('yyyy-mm-dd') && calendar[row][col].isafter(this.maxdate) && side == 'right') {
                    calendar[row][col] = this.maxdate.clone();
                }

            }

            //make the calendar object available to hoverdate/clickdate
            if (side == 'left') {
                this.leftcalendar.calendar = calendar;
            } else {
                this.rightcalendar.calendar = calendar;
            }

            //
            // display the calendar
            //

            var mindate = side == 'left' ? this.mindate : this.startdate;
            var maxdate = this.maxdate;
            var selected = side == 'left' ? this.startdate : this.enddate;
            var arrow = this.locale.direction == 'ltr' ? {left: 'chevron-left', right: 'chevron-right'} : {left: 'chevron-right', right: 'chevron-left'};

            var html = '<table class="table-condensed">';
            html += '<thead>';
            html += '<tr>';

            // add empty cell for week number
            if (this.showweeknumbers || this.showisoweeknumbers)
                html += '<th></th>';

            if ((!mindate || mindate.isbefore(calendar.firstday)) && (!this.linkedcalendars || side == 'left')) {
                html += '<th class="prev available"><span></span></th>';
            } else {
                html += '<th></th>';
            }

            var datehtml = this.locale.monthnames[calendar[1][1].month()] + calendar[1][1].format(" yyyy");

            if (this.showdropdowns) {
                var currentmonth = calendar[1][1].month();
                var currentyear = calendar[1][1].year();
                var maxyear = (maxdate && maxdate.year()) || (this.maxyear);
                var minyear = (mindate && mindate.year()) || (this.minyear);
                var inminyear = currentyear == minyear;
                var inmaxyear = currentyear == maxyear;

                var monthhtml = '<select class="monthselect">';
                for (var m = 0; m < 12; m++) {
                    if ((!inminyear || (mindate && m >= mindate.month())) && (!inmaxyear || (maxdate && m <= maxdate.month()))) {
                        monthhtml += "<option value='" + m + "'" +
                            (m === currentmonth ? " selected='selected'" : "") +
                            ">" + this.locale.monthnames[m] + "</option>";
                    } else {
                        monthhtml += "<option value='" + m + "'" +
                            (m === currentmonth ? " selected='selected'" : "") +
                            " disabled='disabled'>" + this.locale.monthnames[m] + "</option>";
                    }
                }
                monthhtml += "</select>";

                var yearhtml = '<select class="yearselect">';
                for (var y = minyear; y <= maxyear; y++) {
                    yearhtml += '<option value="' + y + '"' +
                        (y === currentyear ? ' selected="selected"' : '') +
                        '>' + y + '</option>';
                }
                yearhtml += '</select>';

                datehtml = monthhtml + yearhtml;
            }

            html += '<th colspan="5" class="month">' + datehtml + '</th>';
            if ((!maxdate || maxdate.isafter(calendar.lastday)) && (!this.linkedcalendars || side == 'right' || this.singledatepicker)) {
                html += '<th class="next available"><span></span></th>';
            } else {
                html += '<th></th>';
            }

            html += '</tr>';
            html += '<tr>';

            // add week number label
            if (this.showweeknumbers || this.showisoweeknumbers)
                html += '<th class="week">' + this.locale.weeklabel + '</th>';

            $.each(this.locale.daysofweek, function(index, dayofweek) {
                html += '<th>' + dayofweek + '</th>';
            });

            html += '</tr>';
            html += '</thead>';
            html += '<tbody>';

            //adjust maxdate to reflect the maxspan setting in order to
            //grey out end dates beyond the maxspan
            if (this.enddate == null && this.maxspan) {
                var maxlimit = this.startdate.clone().add(this.maxspan).endof('day');
                if (!maxdate || maxlimit.isbefore(maxdate)) {
                    maxdate = maxlimit;
                }
            }

            for (var row = 0; row < 6; row++) {
                html += '<tr>';

                // add week number
                if (this.showweeknumbers)
                    html += '<td class="week">' + calendar[row][0].week() + '</td>';
                else if (this.showisoweeknumbers)
                    html += '<td class="week">' + calendar[row][0].isoweek() + '</td>';

                for (var col = 0; col < 7; col++) {

                    var classes = [];

                    //highlight today's date
                    if (calendar[row][col].issame(new date(), "day"))
                        classes.push('today');

                    //highlight weekends
                    if (calendar[row][col].isoweekday() > 5)
                        classes.push('weekend');

                    //grey out the dates in other months displayed at beginning and end of this calendar
                    if (calendar[row][col].month() != calendar[1][1].month())
                        classes.push('off', 'ends');

                    //don't allow selection of dates before the minimum date
                    if (this.mindate && calendar[row][col].isbefore(this.mindate, 'day'))
                        classes.push('off', 'disabled');

                    //don't allow selection of dates after the maximum date
                    if (maxdate && calendar[row][col].isafter(maxdate, 'day'))
                        classes.push('off', 'disabled');

                    //don't allow selection of date if a custom function decides it's invalid
                    if (this.isinvaliddate(calendar[row][col]))
                        classes.push('off', 'disabled');

                    //highlight the currently selected start date
                    if (calendar[row][col].format('yyyy-mm-dd') == this.startdate.format('yyyy-mm-dd'))
                        classes.push('active', 'start-date');

                    //highlight the currently selected end date
                    if (this.enddate != null && calendar[row][col].format('yyyy-mm-dd') == this.enddate.format('yyyy-mm-dd'))
                        classes.push('active', 'end-date');

                    //highlight dates in-between the selected dates
                    if (this.enddate != null && calendar[row][col] > this.startdate && calendar[row][col] < this.enddate)
                        classes.push('in-range');

                    //apply custom classes for this date
                    var iscustom = this.iscustomdate(calendar[row][col]);
                    if (iscustom !== false) {
                        if (typeof iscustom === 'string')
                            classes.push(iscustom);
                        else
                            array.prototype.push.apply(classes, iscustom);
                    }

                    var cname = '', disabled = false;
                    for (var i = 0; i < classes.length; i++) {
                        cname += classes[i] + ' ';
                        if (classes[i] == 'disabled')
                            disabled = true;
                    }
                    if (!disabled)
                        cname += 'available';

                    html += '<td class="' + cname.replace(/^\s+|\s+$/g, '') + '" data-title="' + 'r' + row + 'c' + col + '">' + calendar[row][col].date() + '</td>';

                }
                html += '</tr>';
            }

            html += '</tbody>';
            html += '</table>';

            this.container.find('.drp-calendar.' + side + ' .calendar-table').html(html);

        },

        rendertimepicker: function(side) {

            // don't bother updating the time picker if it's currently disabled
            // because an end date hasn't been clicked yet
            if (side == 'right' && !this.enddate) return;

            var html, selected, mindate, maxdate = this.maxdate;

            if (this.maxspan && (!this.maxdate || this.startdate.clone().add(this.maxspan).isbefore(this.maxdate)))
                maxdate = this.startdate.clone().add(this.maxspan);

            if (side == 'left') {
                selected = this.startdate.clone();
                mindate = this.mindate;
            } else if (side == 'right') {
                selected = this.enddate.clone();
                mindate = this.startdate;

                //preserve the time already selected
                var timeselector = this.container.find('.drp-calendar.right .calendar-time');
                if (timeselector.html() != '') {

                    selected.hour(!isnan(selected.hour()) ? selected.hour() : timeselector.find('.hourselect option:selected').val());
                    selected.minute(!isnan(selected.minute()) ? selected.minute() : timeselector.find('.minuteselect option:selected').val());
                    selected.second(!isnan(selected.second()) ? selected.second() : timeselector.find('.secondselect option:selected').val());

                    if (!this.timepicker24hour) {
                        var ampm = timeselector.find('.ampmselect option:selected').val();
                        if (ampm === 'pm' && selected.hour() < 12)
                            selected.hour(selected.hour() + 12);
                        if (ampm === 'am' && selected.hour() === 12)
                            selected.hour(0);
                    }

                }

                if (selected.isbefore(this.startdate))
                    selected = this.startdate.clone();

                if (maxdate && selected.isafter(maxdate))
                    selected = maxdate.clone();

            }

            //
            // hours
            //

            html = '<select class="hourselect">';

            var start = this.timepicker24hour ? 0 : 1;
            var end = this.timepicker24hour ? 23 : 12;

            for (var i = start; i <= end; i++) {
                var i_in_24 = i;
                if (!this.timepicker24hour)
                    i_in_24 = selected.hour() >= 12 ? (i == 12 ? 12 : i + 12) : (i == 12 ? 0 : i);

                var time = selected.clone().hour(i_in_24);
                var disabled = false;
                if (mindate && time.minute(59).isbefore(mindate))
                    disabled = true;
                if (maxdate && time.minute(0).isafter(maxdate))
                    disabled = true;

                if (i_in_24 == selected.hour() && !disabled) {
                    html += '<option value="' + i + '" selected="selected">' + i + '</option>';
                } else if (disabled) {
                    html += '<option value="' + i + '" disabled="disabled" class="disabled">' + i + '</option>';
                } else {
                    html += '<option value="' + i + '">' + i + '</option>';
                }
            }

            html += '</select> ';

            //
            // minutes
            //

            html += ': <select class="minuteselect">';

            for (var i = 0; i < 60; i += this.timepickerincrement) {
                var padded = i < 10 ? '0' + i : i;
                var time = selected.clone().minute(i);

                var disabled = false;
                if (mindate && time.second(59).isbefore(mindate))
                    disabled = true;
                if (maxdate && time.second(0).isafter(maxdate))
                    disabled = true;

                if (selected.minute() == i && !disabled) {
                    html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
                } else if (disabled) {
                    html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
                } else {
                    html += '<option value="' + i + '">' + padded + '</option>';
                }
            }

            html += '</select> ';

            //
            // seconds
            //

            if (this.timepickerseconds) {
                html += ': <select class="secondselect">';

                for (var i = 0; i < 60; i++) {
                    var padded = i < 10 ? '0' + i : i;
                    var time = selected.clone().second(i);

                    var disabled = false;
                    if (mindate && time.isbefore(mindate))
                        disabled = true;
                    if (maxdate && time.isafter(maxdate))
                        disabled = true;

                    if (selected.second() == i && !disabled) {
                        html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
                    } else if (disabled) {
                        html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
                    } else {
                        html += '<option value="' + i + '">' + padded + '</option>';
                    }
                }

                html += '</select> ';
            }

            //
            // am/pm
            //

            if (!this.timepicker24hour) {
                html += '<select class="ampmselect">';

                var am_html = '';
                var pm_html = '';

                if (mindate && selected.clone().hour(12).minute(0).second(0).isbefore(mindate))
                    am_html = ' disabled="disabled" class="disabled"';

                if (maxdate && selected.clone().hour(0).minute(0).second(0).isafter(maxdate))
                    pm_html = ' disabled="disabled" class="disabled"';

                if (selected.hour() >= 12) {
                    html += '<option value="am"' + am_html + '>am</option><option value="pm" selected="selected"' + pm_html + '>pm</option>';
                } else {
                    html += '<option value="am" selected="selected"' + am_html + '>am</option><option value="pm"' + pm_html + '>pm</option>';
                }

                html += '</select>';
            }

            this.container.find('.drp-calendar.' + side + ' .calendar-time').html(html);

        },

        updateforminputs: function() {

            if (this.singledatepicker || (this.enddate && (this.startdate.isbefore(this.enddate) || this.startdate.issame(this.enddate)))) {
                this.container.find('button.applybtn').prop('disabled', false);
            } else {
                this.container.find('button.applybtn').prop('disabled', true);
            }

        },

        move: function() {
            var parentoffset = { top: 0, left: 0 },
                containertop;
            var parentrightedge = $(window).width();
            if (!this.parentel.is('body')) {
                parentoffset = {
                    top: this.parentel.offset().top - this.parentel.scrolltop(),
                    left: this.parentel.offset().left - this.parentel.scrollleft()
                };
                parentrightedge = this.parentel[0].clientwidth + this.parentel.offset().left;
            }

            if (this.drops == 'up')
                containertop = this.element.offset().top - this.container.outerheight() - parentoffset.top;
            else
                containertop = this.element.offset().top + this.element.outerheight() - parentoffset.top;

            // force the container to it's actual width
            this.container.css({
              top: 0,
              left: 0,
              right: 'auto'
            });
            var containerwidth = this.container.outerwidth();

            this.container[this.drops == 'up' ? 'addclass' : 'removeclass']('drop-up');

            if (this.opens == 'left') {
                var containerright = parentrightedge - this.element.offset().left - this.element.outerwidth();
                if (containerwidth + containerright > $(window).width()) {
                    this.container.css({
                        top: containertop,
                        right: 'auto',
                        left: 9
                    });
                } else {
                    this.container.css({
                        top: containertop,
                        right: containerright,
                        left: 'auto'
                    });
                }
            } else if (this.opens == 'center') {
                var containerleft = this.element.offset().left - parentoffset.left + this.element.outerwidth() / 2
                                        - containerwidth / 2;
                if (containerleft < 0) {
                    this.container.css({
                        top: containertop,
                        right: 'auto',
                        left: 9
                    });
                } else if (containerleft + containerwidth > $(window).width()) {
                    this.container.css({
                        top: containertop,
                        left: 'auto',
                        right: 0
                    });
                } else {
                    this.container.css({
                        top: containertop,
                        left: containerleft,
                        right: 'auto'
                    });
                }
            } else {
                var containerleft = this.element.offset().left - parentoffset.left;
                if (containerleft + containerwidth > $(window).width()) {
                    this.container.css({
                        top: containertop,
                        left: 'auto',
                        right: 0
                    });
                } else {
                    this.container.css({
                        top: containertop,
                        left: containerleft,
                        right: 'auto'
                    });
                }
            }
        },

        show: function(e) {
            if (this.isshowing) return;

            // create a click proxy that is private to this instance of datepicker, for unbinding
            this._outsideclickproxy = $.proxy(function(e) { this.outsideclick(e); }, this);

            // bind global datepicker mousedown for hiding and
            $(document)
              .on('mousedown.daterangepicker', this._outsideclickproxy)
              // also support mobile devices
              .on('touchend.daterangepicker', this._outsideclickproxy)
              // also explicitly play nice with bootstrap dropdowns, which stoppropagation when clicking them
              .on('click.daterangepicker', '[data-toggle=dropdown]', this._outsideclickproxy)
              // and also close when focus changes to outside the picker (eg. tabbing between controls)
              .on('focusin.daterangepicker', this._outsideclickproxy);

            // reposition the picker if the window is resized while it's open
            $(window).on('resize.daterangepicker', $.proxy(function(e) { this.move(e); }, this));

            this.oldstartdate = this.startdate.clone();
            this.oldenddate = this.enddate.clone();
            this.previousrighttime = this.enddate.clone();

            this.updateview();
            this.container.show();
            this.move();
            this.element.trigger('show.daterangepicker', this);
            this.isshowing = true;
        },

        hide: function(e) {
            if (!this.isshowing) return;

            //incomplete date selection, revert to last values
            if (!this.enddate) {
                this.startdate = this.oldstartdate.clone();
                this.enddate = this.oldenddate.clone();
            }

            //if a new date range was selected, invoke the user callback function
            if (!this.startdate.issame(this.oldstartdate) || !this.enddate.issame(this.oldenddate))
                this.callback(this.startdate.clone(), this.enddate.clone(), this.chosenlabel);

            //if picker is attached to a text input, update it
            this.updateelement();

            $(document).off('.daterangepicker');
            $(window).off('.daterangepicker');
            this.container.hide();
            this.element.trigger('hide.daterangepicker', this);
            this.isshowing = false;
        },

        toggle: function(e) {
            if (this.isshowing) {
                this.hide();
            } else {
                this.show();
            }
        },

        outsideclick: function(e) {
            var target = $(e.target);
            // if the page is clicked anywhere except within the daterangerpicker/button
            // itself then call this.hide()
            if (
                // ie modal dialog fix
                e.type == "focusin" ||
                target.closest(this.element).length ||
                target.closest(this.container).length ||
                target.closest('.calendar-table').length
                ) return;
            this.hide();
            this.element.trigger('outsideclick.daterangepicker', this);
        },

        showcalendars: function() {
            this.container.addclass('show-calendar');
            this.move();
            this.element.trigger('showcalendar.daterangepicker', this);
        },

        hidecalendars: function() {
            this.container.removeclass('show-calendar');
            this.element.trigger('hidecalendar.daterangepicker', this);
        },

        clickrange: function(e) {
            var label = e.target.getattribute('data-range-key');
            this.chosenlabel = label;
            if (label == this.locale.customrangelabel) {
                this.showcalendars();
            } else {
                var dates = this.ranges[label];
                this.startdate = dates[0];
                this.enddate = dates[1];

                if (!this.timepicker) {
                    this.startdate.startof('day');
                    this.enddate.endof('day');
                }

                if (!this.alwaysshowcalendars)
                    this.hidecalendars();
                this.clickapply();
            }
        },

        clickprev: function(e) {
            var cal = $(e.target).parents('.drp-calendar');
            if (cal.hasclass('left')) {
                this.leftcalendar.month.subtract(1, 'month');
                if (this.linkedcalendars)
                    this.rightcalendar.month.subtract(1, 'month');
            } else {
                this.rightcalendar.month.subtract(1, 'month');
            }
            this.updatecalendars();
        },

        clicknext: function(e) {
            var cal = $(e.target).parents('.drp-calendar');
            if (cal.hasclass('left')) {
                this.leftcalendar.month.add(1, 'month');
            } else {
                this.rightcalendar.month.add(1, 'month');
                if (this.linkedcalendars)
                    this.leftcalendar.month.add(1, 'month');
            }
            this.updatecalendars();
        },

        hoverdate: function(e) {

            //ignore dates that can't be selected
            if (!$(e.target).hasclass('available')) return;

            var title = $(e.target).attr('data-title');
            var row = title.substr(1, 1);
            var col = title.substr(3, 1);
            var cal = $(e.target).parents('.drp-calendar');
            var date = cal.hasclass('left') ? this.leftcalendar.calendar[row][col] : this.rightcalendar.calendar[row][col];

            //highlight the dates between the start date and the date being hovered as a potential end date
            var leftcalendar = this.leftcalendar;
            var rightcalendar = this.rightcalendar;
            var startdate = this.startdate;
            if (!this.enddate) {
                this.container.find('.drp-calendar tbody td').each(function(index, el) {

                    //skip week numbers, only look at dates
                    if ($(el).hasclass('week')) return;

                    var title = $(el).attr('data-title');
                    var row = title.substr(1, 1);
                    var col = title.substr(3, 1);
                    var cal = $(el).parents('.drp-calendar');
                    var dt = cal.hasclass('left') ? leftcalendar.calendar[row][col] : rightcalendar.calendar[row][col];

                    if ((dt.isafter(startdate) && dt.isbefore(date)) || dt.issame(date, 'day')) {
                        $(el).addclass('in-range');
                    } else {
                        $(el).removeclass('in-range');
                    }

                });
            }

        },

        clickdate: function(e) {

            if (!$(e.target).hasclass('available')) return;

            var title = $(e.target).attr('data-title');
            var row = title.substr(1, 1);
            var col = title.substr(3, 1);
            var cal = $(e.target).parents('.drp-calendar');
            var date = cal.hasclass('left') ? this.leftcalendar.calendar[row][col] : this.rightcalendar.calendar[row][col];

            //
            // this function needs to do a few things:
            // * alternate between selecting a start and end date for the range,
            // * if the time picker is enabled, apply the hour/minute/second from the select boxes to the clicked date
            // * if autoapply is enabled, and an end date was chosen, apply the selection
            // * if single date picker mode, and time picker isn't enabled, apply the selection immediately
            // * if one of the inputs above the calendars was focused, cancel that manual input
            //

            if (this.enddate || date.isbefore(this.startdate, 'day')) { //picking start
                if (this.timepicker) {
                    var hour = parseint(this.container.find('.left .hourselect').val(), 10);
                    if (!this.timepicker24hour) {
                        var ampm = this.container.find('.left .ampmselect').val();
                        if (ampm === 'pm' && hour < 12)
                            hour += 12;
                        if (ampm === 'am' && hour === 12)
                            hour = 0;
                    }
                    var minute = parseint(this.container.find('.left .minuteselect').val(), 10);
                    if (isnan(minute)) {
                        minute = parseint(this.container.find('.left .minuteselect option:last').val(), 10);
                    }
                    var second = this.timepickerseconds ? parseint(this.container.find('.left .secondselect').val(), 10) : 0;
                    date = date.clone().hour(hour).minute(minute).second(second);
                }
                this.enddate = null;
                this.setstartdate(date.clone());
            } else if (!this.enddate && date.isbefore(this.startdate)) {
                //special case: clicking the same date for start/end,
                //but the time of the end date is before the start date
                this.setenddate(this.startdate.clone());
            } else { // picking end
                if (this.timepicker) {
                    var hour = parseint(this.container.find('.right .hourselect').val(), 10);
                    if (!this.timepicker24hour) {
                        var ampm = this.container.find('.right .ampmselect').val();
                        if (ampm === 'pm' && hour < 12)
                            hour += 12;
                        if (ampm === 'am' && hour === 12)
                            hour = 0;
                    }
                    var minute = parseint(this.container.find('.right .minuteselect').val(), 10);
                    if (isnan(minute)) {
                        minute = parseint(this.container.find('.right .minuteselect option:last').val(), 10);
                    }
                    var second = this.timepickerseconds ? parseint(this.container.find('.right .secondselect').val(), 10) : 0;
                    date = date.clone().hour(hour).minute(minute).second(second);
                }
                this.setenddate(date.clone());
                if (this.autoapply) {
                  this.calculatechosenlabel();
                  this.clickapply();
                }
            }

            if (this.singledatepicker) {
                this.setenddate(this.startdate);
                if (!this.timepicker)
                    this.clickapply();
            }

            this.updateview();

            //this is to cancel the blur event handler if the mouse was in one of the inputs
            e.stoppropagation();

        },

        calculatechosenlabel: function () {
            var customrange = true;
            var i = 0;
            for (var range in this.ranges) {
              if (this.timepicker) {
                    var format = this.timepickerseconds ? "yyyy-mm-dd hh:mm:ss" : "yyyy-mm-dd hh:mm";
                    //ignore times when comparing dates if time picker seconds is not enabled
                    if (this.startdate.format(format) == this.ranges[range][0].format(format) && this.enddate.format(format) == this.ranges[range][1].format(format)) {
                        customrange = false;
                        this.chosenlabel = this.container.find('.ranges li:eq(' + i + ')').addclass('active').attr('data-range-key');
                        break;
                    }
                } else {
                    //ignore times when comparing dates if time picker is not enabled
                    if (this.startdate.format('yyyy-mm-dd') == this.ranges[range][0].format('yyyy-mm-dd') && this.enddate.format('yyyy-mm-dd') == this.ranges[range][1].format('yyyy-mm-dd')) {
                        customrange = false;
                        this.chosenlabel = this.container.find('.ranges li:eq(' + i + ')').addclass('active').attr('data-range-key');
                        break;
                    }
                }
                i++;
            }
            if (customrange) {
                if (this.showcustomrangelabel) {
                    this.chosenlabel = this.container.find('.ranges li:last').addclass('active').attr('data-range-key');
                } else {
                    this.chosenlabel = null;
                }
                this.showcalendars();
            }
        },

        clickapply: function(e) {
            this.hide();
            this.element.trigger('apply.daterangepicker', this);
        },

        clickcancel: function(e) {
            this.startdate = this.oldstartdate;
            this.enddate = this.oldenddate;
            this.hide();
            this.element.trigger('cancel.daterangepicker', this);
        },

        monthoryearchanged: function(e) {
            var isleft = $(e.target).closest('.drp-calendar').hasclass('left'),
                leftorright = isleft ? 'left' : 'right',
                cal = this.container.find('.drp-calendar.'+leftorright);

            // month must be number for new moment versions
            var month = parseint(cal.find('.monthselect').val(), 10);
            var year = cal.find('.yearselect').val();

            if (!isleft) {
                if (year < this.startdate.year() || (year == this.startdate.year() && month < this.startdate.month())) {
                    month = this.startdate.month();
                    year = this.startdate.year();
                }
            }

            if (this.mindate) {
                if (year < this.mindate.year() || (year == this.mindate.year() && month < this.mindate.month())) {
                    month = this.mindate.month();
                    year = this.mindate.year();
                }
            }

            if (this.maxdate) {
                if (year > this.maxdate.year() || (year == this.maxdate.year() && month > this.maxdate.month())) {
                    month = this.maxdate.month();
                    year = this.maxdate.year();
                }
            }

            if (isleft) {
                this.leftcalendar.month.month(month).year(year);
                if (this.linkedcalendars)
                    this.rightcalendar.month = this.leftcalendar.month.clone().add(1, 'month');
            } else {
                this.rightcalendar.month.month(month).year(year);
                if (this.linkedcalendars)
                    this.leftcalendar.month = this.rightcalendar.month.clone().subtract(1, 'month');
            }
            this.updatecalendars();
        },

        timechanged: function(e) {

            var cal = $(e.target).closest('.drp-calendar'),
                isleft = cal.hasclass('left');

            var hour = parseint(cal.find('.hourselect').val(), 10);
            var minute = parseint(cal.find('.minuteselect').val(), 10);
            if (isnan(minute)) {
                minute = parseint(cal.find('.minuteselect option:last').val(), 10);
            }
            var second = this.timepickerseconds ? parseint(cal.find('.secondselect').val(), 10) : 0;

            if (!this.timepicker24hour) {
                var ampm = cal.find('.ampmselect').val();
                if (ampm === 'pm' && hour < 12)
                    hour += 12;
                if (ampm === 'am' && hour === 12)
                    hour = 0;
            }

            if (isleft) {
                var start = this.startdate.clone();
                start.hour(hour);
                start.minute(minute);
                start.second(second);
                this.setstartdate(start);
                if (this.singledatepicker) {
                    this.enddate = this.startdate.clone();
                } else if (this.enddate && this.enddate.format('yyyy-mm-dd') == start.format('yyyy-mm-dd') && this.enddate.isbefore(start)) {
                    this.setenddate(start.clone());
                }
            } else if (this.enddate) {
                var end = this.enddate.clone();
                end.hour(hour);
                end.minute(minute);
                end.second(second);
                this.setenddate(end);
            }

            //update the calendars so all clickable dates reflect the new time component
            this.updatecalendars();

            //update the form inputs above the calendars with the new time
            this.updateforminputs();

            //re-render the time pickers because changing one selection can affect what's enabled in another
            this.rendertimepicker('left');
            this.rendertimepicker('right');

        },

        elementchanged: function() {
            if (!this.element.is('input')) return;
            if (!this.element.val().length) return;

            var datestring = this.element.val().split(this.locale.separator),
                start = null,
                end = null;

            if (datestring.length === 2) {
                start = moment(datestring[0], this.locale.format);
                end = moment(datestring[1], this.locale.format);
            }

            if (this.singledatepicker || start === null || end === null) {
                start = moment(this.element.val(), this.locale.format);
                end = start;
            }

            if (!start.isvalid() || !end.isvalid()) return;

            this.setstartdate(start);
            this.setenddate(end);
            this.updateview();
        },

        keydown: function(e) {
            //hide on tab or enter
            if ((e.keycode === 9) || (e.keycode === 13)) {
                this.hide();
            }

            //hide on esc and prevent propagation
            if (e.keycode === 27) {
                e.preventdefault();
                e.stoppropagation();

                this.hide();
            }
        },

        updateelement: function() {
            if (this.element.is('input') && this.autoupdateinput) {
                var newvalue = this.startdate.format(this.locale.format);
                if (!this.singledatepicker) {
                    newvalue += this.locale.separator + this.enddate.format(this.locale.format);
                }
                if (newvalue !== this.element.val()) {
                    this.element.val(newvalue).trigger('change');
                }
            }
        },

        remove: function() {
            this.container.remove();
            this.element.off('.daterangepicker');
            this.element.removedata();
        }

    };

    $.fn.daterangepicker = function(options, callback) {
        var implementoptions = $.extend(true, {}, $.fn.daterangepicker.defaultoptions, options);
        this.each(function() {
            var el = $(this);
            if (el.data('daterangepicker'))
                el.data('daterangepicker').remove();
            el.data('daterangepicker', new daterangepicker(el, implementoptions, callback));
        });
        return this;
    };

    return daterangepicker;

}));