text: /**
  * @version: 1.3.18
  * @author: Dan Grossman http://www.dangrossman.info/
  * @copyright: Copyright (c) 2012-2015 Dan Grossman. All rights reserved.
  * @license: Licensed under the MIT license. See http://www.opensource.org/licenses/mit-license.php
  * @website: https://www.improvely.com/
  */
  
  (function(root, factory) {
  
    if (typeof define === 'function' && define.amd) {
      define(['moment', 'jquery', 'exports'], function(momentjs, $, exports) {
        root.daterangepicker = factory(root, exports, momentjs, $);
      });
  
    } else if (typeof exports !== 'undefined') {
      var momentjs = require('moment');
      var jQuery;
      try {
        jQuery = require('jquery');
      } catch (err) {
        jQuery = window.jQuery;
        if (!jQuery) throw new Error('jQuery dependency not found');
      }
  
      factory(root, exports, momentjs, jQuery);
  
    // Finally, as a browser global.
    } else {
      root.daterangepicker = factory(root, {}, root.moment, (root.jQuery || root.Zepto || root.ender || root.$));
    }
  
  }(this, function(root, daterangepicker, moment, $) {
  
      var DateRangePicker = function (element, options, cb) {
  
          // by default, the daterangepicker element is placed at the bottom of HTML body
          this.parentEl = 'body';
  
          //element that triggered the date range picker
          this.element = $(element);
  
          //tracks visible state
          this.isShowing = false;
  
          //create the picker HTML object
          var DRPTemplate = '<div class="daterangepicker dropdown-menu">' +
                  '<div class="calendar first left"></div>' +
                  '<div class="calendar second right"></div>' +
                  '<div class="ranges">' +
                    '<div class="range_inputs">' +
                      '<div class="daterangepicker_start_input">' +
                        '<label for="daterangepicker_start"></label>' +
                        '<input class="input-mini" type="text" name="daterangepicker_start" value="" />' +
                      '</div>' +
                      '<div class="daterangepicker_end_input">' +
                        '<label for="daterangepicker_end"></label>' +
                        '<input class="input-mini" type="text" name="daterangepicker_end" value="" />' +
                      '</div>' +
                      '<button class="applyBtn" disabled="disabled"></button>&nbsp;' +
                      '<button class="cancelBtn"></button>' +
                    '</div>' +
                  '</div>' +
                '</div>';
  
          //custom options
          if (typeof options !== 'object' || options === null)
              options = {};
  
          this.parentEl = (typeof options === 'object' && options.parentEl && $(options.parentEl).length) ? $(options.parentEl) : $(this.parentEl);
          this.container = $(DRPTemplate).appendTo(this.parentEl);
  
          this.setOptions(options, cb);
  
          //apply CSS classes and labels to buttons
          var c = this.container;
          $.each(this.buttonClasses, function (idx, val) {
              c.find('button').addClass(val);
          });
          this.container.find('.daterangepicker_start_input label').html(this.locale.fromLabel);
          this.container.find('.daterangepicker_end_input label').html(this.locale.toLabel);
          if (this.applyClass.length)
              this.container.find('.applyBtn').addClass(this.applyClass);
          if (this.cancelClass.length)
              this.container.find('.cancelBtn').addClass(this.cancelClass);
          this.container.find('.applyBtn').html(this.locale.applyLabel);
          this.container.find('.cancelBtn').html(this.locale.cancelLabel);
  
          //event listeners
  
          this.container.find('.calendar')
              .on('click.daterangepicker', '.prev', $.proxy(this.clickPrev, this))
              .on('click.daterangepicker', '.next', $.proxy(this.clickNext, this))
              .on('click.daterangepicker', 'td.available', $.proxy(this.clickDate, this))
              .on('mouseenter.daterangepicker', 'td.available', $.proxy(this.hoverDate, this))
              .on('mouseleave.daterangepicker', 'td.available', $.proxy(this.updateFormInputs, this))
              .on('change.daterangepicker', 'select.yearselect', $.proxy(this.updateMonthYear, this))
              .on('change.daterangepicker', 'select.monthselect', $.proxy(this.updateMonthYear, this))
              .on('change.daterangepicker', 'select.hourselect,select.minuteselect,select.secondselect,select.ampmselect', $.proxy(this.updateTime, this));
  
          this.container.find('.ranges')
              .on('click.daterangepicker', 'button.applyBtn', $.proxy(this.clickApply, this))
              .on('click.daterangepicker', 'button.cancelBtn', $.proxy(this.clickCancel, this))
              .on('click.daterangepicker', '.daterangepicker_start_input,.daterangepicker_end_input', $.proxy(this.showCalendars, this))
              .on('change.daterangepicker', '.daterangepicker_start_input,.daterangepicker_end_input', $.proxy(this.inputsChanged, this))
              .on('keydown.daterangepicker', '.daterangepicker_start_input,.daterangepicker_end_input', $.proxy(this.inputsKeydown, this))
              .on('click.daterangepicker', 'li', $.proxy(this.clickRange, this))
              .on('mouseenter.daterangepicker', 'li', $.proxy(this.enterRange, this))
              .on('mouseleave.daterangepicker', 'li', $.proxy(this.updateFormInputs, this));
  
          if (this.element.is('input')) {
              this.element.on({
                  'click.daterangepicker': $.proxy(this.show, this),
                  'focus.daterangepicker': $.proxy(this.show, this),
                  'keyup.daterangepicker': $.proxy(this.updateFromControl, this)
              });
          } else {
              this.element.on('click.daterangepicker', $.proxy(this.toggle, this));
          }
  
      };
  
      DateRangePicker.prototype = {
  
          constructor: DateRangePicker,
  
          setOptions: function(options, callback) {
  
              this.startDate = moment().startOf('day');
              this.endDate = moment().endOf('day');
              this.timeZone = moment().utcOffset();
              this.minDate = false;
              this.maxDate = false;
              this.dateLimit = false;
  
              this.showDropdowns = false;
              this.showWeekNumbers = false;
              this.timePicker = false;
              this.timePickerSeconds = false;
              this.timePickerIncrement = 30;
              this.timePicker12Hour = true;
              this.singleDatePicker = false;
              this.ranges = {};
  
              this.opens = 'right';
              if (this.element.hasClass('pull-right'))
                  this.opens = 'left';
  
              this.buttonClasses = ['btn', 'btn-small btn-sm'];
              this.applyClass = 'btn-success';
              this.cancelClass = 'btn-default';
  
              this.format = 'MM/DD/YYYY';
              this.separator = ' - ';
  
              this.locale = {
                  applyLabel: 'Apply',
                  cancelLabel: 'Cancel',
                  fromLabel: 'From',
                  toLabel: 'To',
                  weekLabel: 'W',
                  customRangeLabel: 'Custom Range',
                  daysOfWeek: moment.weekdaysMin(),
                  monthNames: moment.monthsShort(),
                  firstDay: moment.localeData()._week.dow
              };
  
              this.cb = function () { };
  
              if (typeof options.format === 'string')
                  this.format = options.format;
  
              if (typeof options.separator === 'string')
                  this.separator = options.separator;
  
              if (typeof options.startDate === 'string')
                  this.startDate = moment(options.startDate, this.format);
  
              if (typeof options.endDate === 'string')
                  this.endDate = moment(options.endDate, this.format);
  
              if (typeof options.minDate === 'string')
                  this.minDate = moment(options.minDate, this.format);
  
              if (typeof options.maxDate === 'string')
                  this.maxDate = moment(options.maxDate, this.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);
  
              if (typeof options.applyClass === 'string')
                  this.applyClass = options.applyClass;
  
              if (typeof options.cancelClass === 'string')
                  this.cancelClass = options.cancelClass;
  
              if (typeof options.dateLimit === 'object')
                  this.dateLimit = options.dateLimit;
  
              if (typeof options.locale === 'object') {
  
                  if (typeof options.locale.daysOfWeek === 'object') {
                      // Create a copy of daysOfWeek to avoid modification of original
                      // options object for reusability in multiple daterangepicker instances
                      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.fromLabel === 'string') {
                    this.locale.fromLabel = options.locale.fromLabel;
                  }
  
                  if (typeof options.locale.toLabel === 'string') {
                    this.locale.toLabel = options.locale.toLabel;
                  }
  
                  if (typeof options.locale.weekLabel === 'string') {
                    this.locale.weekLabel = options.locale.weekLabel;
                  }
  
                  if (typeof options.locale.customRangeLabel === 'string') {
                    this.locale.customRangeLabel = options.locale.customRangeLabel;
                  }
              }
  
              if (typeof options.opens === 'string')
                  this.opens = options.opens;
  
              if (typeof options.showWeekNumbers === 'boolean') {
                  this.showWeekNumbers = options.showWeekNumbers;
              }
  
              if (typeof options.buttonClasses === 'string') {
                  this.buttonClasses = [options.buttonClasses];
              }
  
              if (typeof options.buttonClasses === 'object') {
                  this.buttonClasses = options.buttonClasses;
              }
  
              if (typeof options.showDropdowns === 'boolean') {
                  this.showDropdowns = options.showDropdowns;
              }
  
              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.timePicker12Hour === 'boolean') {
                  this.timePicker12Hour = options.timePicker12Hour;
              }
  
              // 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('input[type=text]')) {
                      var val = $(this.element).val(),
                          split = val.split(this.separator);
  
                      start = end = null;
  
                      if (split.length == 2) {
                          start = moment(split[0], this.format);
                          end = moment(split[1], this.format);
                      } else if (this.singleDatePicker && val !== "") {
                          start = moment(val, this.format);
                          end = moment(val, this.format);
                      }
                      if (start !== null && end !== null) {
                          this.startDate = start;
                          this.endDate = end;
                      }
                  }
              }
  
              // bind the time zone used to build the calendar to either the timeZone passed in through the options or the zone of the startDate (which will be the local time zone by default)
              if (typeof options.timeZone === 'string' || typeof options.timeZone === 'number') {
                  this.timeZone = options.timeZone;
                  this.startDate.utcOffset(this.timeZone);
                  this.endDate.utcOffset(this.timeZone);
              } else {
                  this.timeZone = moment(this.startDate).utcOffset();
              }
  
              if (typeof options.ranges === 'object') {
                  for (range in options.ranges) {
  
                      if (typeof options.ranges[range][0] === 'string')
                          start = moment(options.ranges[range][0], this.format);
                      else
                          start = moment(options.ranges[range][0]);
  
                      if (typeof options.ranges[range][1] === 'string')
                          end = moment(options.ranges[range][1], this.format);
                      else
                          end = moment(options.ranges[range][1]);
  
                      // If we have a min/max date set, bound this range
                      // to it, but only if it would otherwise fall
                      // outside of the min/max.
                      if (this.minDate && start.isBefore(this.minDate))
                          start = moment(this.minDate);
  
                      if (this.maxDate && end.isAfter(this.maxDate))
                          end = moment(this.maxDate);
  
                      // If the end of the range is before the minimum (if min is set) OR
                      // the start of the range is after the max (also if set) don't display this
                      // range option.
                      if ((this.minDate && end.isBefore(this.minDate)) || (this.maxDate && start.isAfter(this.maxDate))) {
                          continue;
                      }
  
                      this.ranges[range] = [start, end];
                  }
  
                  var list = '<ul>';
                  for (range in this.ranges) {
                      list += '<li>' + range + '</li>';
                  }
                  list += '<li>' + this.locale.customRangeLabel + '</li>';
                  list += '</ul>';
                  this.container.find('.ranges ul').remove();
                  this.container.find('.ranges').prepend(list);
              }
  
              if (typeof callback === 'function') {
                  this.cb = callback;
              }
  
              if (!this.timePicker) {
                  this.startDate = this.startDate.startOf('day');
                  this.endDate = this.endDate.endOf('day');
              }
  
              if (this.singleDatePicker) {
                  this.opens = 'right';
                  this.container.addClass('single');
                  this.container.find('.calendar.right').show();
                  this.container.find('.calendar.left').hide();
                  if (!this.timePicker) {
                      this.container.find('.ranges').hide();
                  } else {
                      this.container.find('.ranges .daterangepicker_start_input, .ranges .daterangepicker_end_input').hide();
                  }
                  if (!this.container.find('.calendar.right').hasClass('single'))
                      this.container.find('.calendar.right').addClass('single');
              } else {
                  this.container.removeClass('single');
                  this.container.find('.calendar.right').removeClass('single');
                  this.container.find('.ranges').show();
              }
  
              this.oldStartDate = this.startDate.clone();
              this.oldEndDate = this.endDate.clone();
              this.oldChosenLabel = this.chosenLabel;
  
              this.leftCalendar = {
                  month: moment([this.startDate.year(), this.startDate.month(), 1, this.startDate.hour(), this.startDate.minute(), this.startDate.second()]),
                  calendar: []
              };
  
              this.rightCalendar = {
                  month: moment([this.endDate.year(), this.endDate.month(), 1, this.endDate.hour(), this.endDate.minute(), this.endDate.second()]),
                  calendar: []
              };
  
              if (this.opens == 'right' || this.opens == 'center') {
                  //swap calendar positions
                  var first = this.container.find('.calendar.first');
                  var second = this.container.find('.calendar.second');
  
                  if (second.hasClass('single')) {
                      second.removeClass('single');
                      first.addClass('single');
                  }
  
                  first.removeClass('left').addClass('right');
                  second.removeClass('right').addClass('left');
  
                  if (this.singleDatePicker) {
                      first.show();
                      second.hide();
                  }
              }
  
              if (typeof options.ranges === 'undefined' && !this.singleDatePicker) {
                  this.container.addClass('show-calendar');
              }
  
              this.container.addClass('opens' + this.opens);
  
              this.updateView();
              this.updateCalendars();
  
          },
  
          setStartDate: function(startDate) {
              if (typeof startDate === 'string')
                  this.startDate = moment(startDate, this.format).utcOffset(this.timeZone);
  
              if (typeof startDate === 'object')
                  this.startDate = moment(startDate);
  
              if (!this.timePicker)
                  this.startDate = this.startDate.startOf('day');
  
              this.oldStartDate = this.startDate.clone();
  
              this.updateView();
              this.updateCalendars();
              this.updateInputText();
          },
  
          setEndDate: function(endDate) {
              if (typeof endDate === 'string')
                  this.endDate = moment(endDate, this.format).utcOffset(this.timeZone);
  
              if (typeof endDate === 'object')
                  this.endDate = moment(endDate);
  
              if (!this.timePicker)
                  this.endDate = this.endDate.endOf('day');
  
              this.oldEndDate = this.endDate.clone();
  
              this.updateView();
              this.updateCalendars();
              this.updateInputText();
          },
  
          updateView: function () {
              this.leftCalendar.month.month(this.startDate.month()).year(this.startDate.year()).hour(this.startDate.hour()).minute(this.startDate.minute());
              this.rightCalendar.month.month(this.endDate.month()).year(this.endDate.year()).hour(this.endDate.hour()).minute(this.endDate.minute());
              this.updateFormInputs();
          },
  
          updateFormInputs: function () {
              this.container.find('input[name=daterangepicker_start]').val(this.startDate.format(this.format));
              this.container.find('input[name=daterangepicker_end]').val(this.endDate.format(this.format));
  
              if (this.startDate.isSame(this.endDate) || this.startDate.isBefore(this.endDate)) {
                  this.container.find('button.applyBtn').removeAttr('disabled');
              } else {
                  this.container.find('button.applyBtn').attr('disabled', 'disabled');
              }
          },
  
          updateFromControl: function () {
              if (!this.element.is('input')) return;
              if (!this.element.val().length) return;
  
              var dateString = this.element.val().split(this.separator),
                  start = null,
                  end = null;
  
              if(dateString.length === 2) {
                  start = moment(dateString[0], this.format).utcOffset(this.timeZone);
                  end = moment(dateString[1], this.format).utcOffset(this.timeZone);
              }
  
              if (this.singleDatePicker || start === null || end === null) {
                  start = moment(this.element.val(), this.format).utcOffset(this.timeZone);
                  end = start;
              }
  
              if (end.isBefore(start)) return;
  
              this.oldStartDate = this.startDate.clone();
              this.oldEndDate = this.endDate.clone();
  
              this.startDate = start;
              this.endDate = end;
  
              if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))
                  this.notify();
  
              this.updateCalendars();
          },
  
          notify: function () {
              this.updateView();
              this.cb(this.startDate, this.endDate, this.chosenLabel);
          },
  
          move: function () {
              var parentOffset = { top: 0, left: 0 };
              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.opens == 'left') {
                  this.container.css({
                      top: this.element.offset().top + this.element.outerHeight() - parentOffset.top,
                      right: parentRightEdge - this.element.offset().left - this.element.outerWidth(),
                      left: 'auto'
                  });
                  if (this.container.offset().left < 0) {
                      this.container.css({
                          right: 'auto',
                          left: 9
                      });
                  }
              } else if (this.opens == 'center') {
                  this.container.css({
                      top: this.element.offset().top + this.element.outerHeight() - parentOffset.top,
                      left: this.element.offset().left - parentOffset.left + this.element.outerWidth() / 2
                              - this.container.outerWidth() / 2,
                      right: 'auto'
                  });
                  if (this.container.offset().left < 0) {
                      this.container.css({
                          right: 'auto',
                          left: 9
                      });
                  }
              } else {
  
                  var positionBody = $('body').offset();
                  //c.left = c.left-positionBody.left - 1;
  
                  this.container.css({
                      top: this.element.offset().top + this.element.outerHeight() - parentOffset.top,
                      left: this.element.offset().left - parentOffset.left - positionBody.left - 1,
                      right: 'auto'
                  });
                  if (this.container.offset().left + this.container.outerWidth() > $(window).width()) {
                      this.container.css({
                          left: 'auto',
                          right: 0
                      });
                  }
              }
          },
  
          toggle: function (e) {
              if (this.element.hasClass('active')) {
                  this.hide();
              } else {
                  this.show();
              }
          },
  
          show: function (e) {
              if (this.isShowing) return;
  
              this.element.addClass('active');
              this.container.show();
              this.move();
  
              // 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);
  
              this.isShowing = true;
              this.element.trigger('show.daterangepicker', this);
          },
  
          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-date').length
                  ) return;
              this.hide();
          },
  
          hide: function (e) {
              if (!this.isShowing) return;
  
              $(document)
                .off('.daterangepicker');
  
              this.element.removeClass('active');
              this.container.hide();
  
              if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))
                  this.notify();
  
              this.oldStartDate = this.startDate.clone();
              this.oldEndDate = this.endDate.clone();
  
              this.isShowing = false;
              this.element.trigger('hide.daterangepicker', this);
          },
  
          enterRange: function (e) {
              // mouse pointer has entered a range label
              var label = e.target.innerHTML;
              if (label == this.locale.customRangeLabel) {
                  this.updateView();
              } else {
                  var dates = this.ranges[label];
                  this.container.find('input[name=daterangepicker_start]').val(dates[0].format(this.format));
                  this.container.find('input[name=daterangepicker_end]').val(dates[1].format(this.format));
              }
          },
  
          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);
          },
  
          // when a date is typed into the start to end date textboxes
          inputsChanged: function (e) {
              var el = $(e.target);
              var date = moment(el.val(), this.format);
              if (!date.isValid()) return;
  
              var startDate, endDate;
              if (el.attr('name') === 'daterangepicker_start') {
                  startDate = (false !== this.minDate && date.isBefore(this.minDate)) ? this.minDate : date;
                  endDate = this.endDate;
              } else {
                  startDate = this.startDate;
                  endDate = (false !== this.maxDate && date.isAfter(this.maxDate)) ? this.maxDate : date;
              }
              this.setCustomDates(startDate, endDate);
          },
  
          inputsKeydown: function(e) {
              if (e.keyCode === 13) {
                  this.inputsChanged(e);
                  this.notify();
              }
          },
  
          updateInputText: function() {
              if (this.element.is('input') && !this.singleDatePicker) {
                  this.element.val(this.startDate.format(this.format) + this.separator + this.endDate.format(this.format));
                  this.element.trigger('change');
              } else if (this.element.is('input')) {
                  this.element.val(this.endDate.format(this.format));
                  this.element.trigger('change');
              }
          },
  
          clickRange: function (e) {
              var label = e.target.innerHTML;
              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');
                  }
  
                  this.leftCalendar.month.month(this.startDate.month()).year(this.startDate.year()).hour(this.startDate.hour()).minute(this.startDate.minute());
                  this.rightCalendar.month.month(this.endDate.month()).year(this.endDate.year()).hour(this.endDate.hour()).minute(this.endDate.minute());
                  this.updateCalendars();
  
                  this.updateInputText();
  
                  this.hideCalendars();
                  this.hide();
                  this.element.trigger('apply.daterangepicker', this);
              }
          },
  
          clickPrev: function (e) {
              var cal = $(e.target).parents('.calendar');
              if (cal.hasClass('left')) {
                  this.leftCalendar.month.subtract(1, 'month');
              } else {
                  this.rightCalendar.month.subtract(1, 'month');
              }
              this.updateCalendars();
          },
  
          clickNext: function (e) {
              var cal = $(e.target).parents('.calendar');
              if (cal.hasClass('left')) {
                  this.leftCalendar.month.add(1, 'month');
              } else {
                  this.rightCalendar.month.add(1, 'month');
              }
              this.updateCalendars();
          },
  
          hoverDate: function (e) {
              var title = $(e.target).attr('data-title');
              var row = title.substr(1, 1);
              var col = title.substr(3, 1);
              var cal = $(e.target).parents('.calendar');
  
              if (cal.hasClass('left')) {
                  this.container.find('input[name=daterangepicker_start]').val(this.leftCalendar.calendar[row][col].format(this.format));
              } else {
                  this.container.find('input[name=daterangepicker_end]').val(this.rightCalendar.calendar[row][col].format(this.format));
              }
          },
  
          setCustomDates: function(startDate, endDate) {
              this.chosenLabel = this.locale.customRangeLabel;
              if (startDate.isAfter(endDate)) {
                  var difference = this.endDate.diff(this.startDate);
                  endDate = moment(startDate).add(difference, 'ms');
                  if (this.maxDate && endDate.isAfter(this.maxDate)) {
                    endDate = this.maxDate;
                  }
              }
              this.startDate = startDate;
              this.endDate = endDate;
  
              this.updateView();
              this.updateCalendars();
          },
  
          clickDate: function (e) {
              var title = $(e.target).attr('data-title');
              var row = title.substr(1, 1);
              var col = title.substr(3, 1);
              var cal = $(e.target).parents('.calendar');
  
              var startDate, endDate;
              if (cal.hasClass('left')) {
                  startDate = this.leftCalendar.calendar[row][col];
                  endDate = this.endDate;
                  if (typeof this.dateLimit === 'object') {
                      var maxDate = moment(startDate).add(this.dateLimit).startOf('day');
                      if (endDate.isAfter(maxDate)) {
                          endDate = maxDate;
                      }
                  }
              } else {
                  startDate = this.startDate;
                  endDate = this.rightCalendar.calendar[row][col];
                  if (typeof this.dateLimit === 'object') {
                      var minDate = moment(endDate).subtract(this.dateLimit).startOf('day');
                      if (startDate.isBefore(minDate)) {
                          startDate = minDate;
                      }
                  }
              }
  
              if (this.singleDatePicker && cal.hasClass('left')) {
                  endDate = startDate.clone();
              } else if (this.singleDatePicker && cal.hasClass('right')) {
                  startDate = endDate.clone();
              }
  
              cal.find('td').removeClass('active');
  
              $(e.target).addClass('active');
  
              this.setCustomDates(startDate, endDate);
  
              if (!this.timePicker)
                  endDate.endOf('day');
  
              if (this.singleDatePicker && !this.timePicker)
                  this.clickApply();
          },
  
          clickApply: function (e) {
              this.updateInputText();
              this.hide();
              this.element.trigger('apply.daterangepicker', this);
          },
  
          clickCancel: function (e) {
              this.startDate = this.oldStartDate;
              this.endDate = this.oldEndDate;
              this.chosenLabel = this.oldChosenLabel;
              this.updateView();
              this.updateCalendars();
              this.hide();
              this.element.trigger('cancel.daterangepicker', this);
          },
  
          updateMonthYear: function (e) {
              var isLeft = $(e.target).closest('.calendar').hasClass('left'),
                  leftOrRight = isLeft ? 'left' : 'right',
                  cal = this.container.find('.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();
                  }
              }
  
  
              this[leftOrRight+'Calendar'].month.month(month).year(year);
              this.updateCalendars();
          },
  
          updateTime: function(e) {
  
              var cal = $(e.target).closest('.calendar'),
                  isLeft = cal.hasClass('left');
  
              var hour = parseInt(cal.find('.hourselect').val(), 10);
              var minute = parseInt(cal.find('.minuteselect').val(), 10);
              var second = 0;
  
              if (this.timePickerSeconds) {
                  second = parseInt(cal.find('.secondselect').val(), 10);
              }
  
              if (this.timePicker12Hour) {
                  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.startDate = start;
                  this.leftCalendar.month.hour(hour).minute(minute).second(second);
                  if (this.singleDatePicker)
                      this.endDate = start.clone();
              } else {
                  var end = this.endDate.clone();
                  end.hour(hour);
                  end.minute(minute);
                  end.second(second);
                  this.endDate = end;
                  if (this.singleDatePicker)
                      this.startDate = end.clone();
                  this.rightCalendar.month.hour(hour).minute(minute).second(second);
              }
  
              this.updateView();
              this.updateCalendars();
          },
  
          updateCalendars: function () {
              this.leftCalendar.calendar = this.buildCalendar(this.leftCalendar.month.month(), this.leftCalendar.month.year(), this.leftCalendar.month.hour(), this.leftCalendar.month.minute(), this.leftCalendar.month.second(), 'left');
              this.rightCalendar.calendar = this.buildCalendar(this.rightCalendar.month.month(), this.rightCalendar.month.year(), this.rightCalendar.month.hour(), this.rightCalendar.month.minute(), this.rightCalendar.month.second(), 'right');
              this.container.find('.calendar.left').empty().html(this.renderCalendar(this.leftCalendar.calendar, this.startDate, this.minDate, this.maxDate, 'left'));
              this.container.find('.calendar.right').empty().html(this.renderCalendar(this.rightCalendar.calendar, this.endDate, this.singleDatePicker ? this.minDate : this.startDate, this.maxDate, 'right'));
  
              this.container.find('.ranges li').removeClass('active');
              var customRange = true;
              var i = 0;
              for (var range in this.ranges) {
                  if (this.timePicker) {
                      if (this.startDate.isSame(this.ranges[range][0]) && this.endDate.isSame(this.ranges[range][1])) {
                          customRange = false;
                          this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')')
                              .addClass('active').html();
                      }
                  } 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').html();
                      }
                  }
                  i++;
              }
              if (customRange) {
                  this.chosenLabel = this.container.find('.ranges li:last').addClass('active').html();
                  this.showCalendars();
              }
          },
  
          buildCalendar: function (month, year, hour, minute, second, side) {
              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();
  
              var i;
  
              //initialize a 6 rows x 7 columns array for the calendar
              var calendar = [];
              calendar.firstDay = firstDay;
              calendar.lastDay = lastDay;
  
              for (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]).utcOffset(this.timeZone);
  
              var col, row;
              for (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);
                  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();
                  }
  
              }
  
              return calendar;
          },
  
          renderDropdowns: function (selected, minDate, maxDate) {
              var currentMonth = selected.month();
              var currentYear = selected.year();
              var maxYear = (maxDate && maxDate.year()) || (currentYear + 5);
              var minYear = (minDate && minDate.year()) || (currentYear - 50);
  
              var monthHtml = '<select class="monthselect">';
              var inMinYear = currentYear == minYear;
              var inMaxYear = currentYear == maxYear;
  
              for (var m = 0; m < 12; m++) {
                  if ((!inMinYear || m >= minDate.month()) && (!inMaxYear || m <= maxDate.month())) {
                      monthHtml += "<option value='" + m + "'" +
                          (m === currentMonth ? " selected='selected'" : "") +
                          ">" + 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>';
  
              return monthHtml + yearHtml;
          },
  
          renderCalendar: function (calendar, selected, minDate, maxDate, side) {
  
              var html = '<div class="calendar-date">';
              html += '<table class="table-condensed">';
              html += '<thead>';
              html += '<tr>';
  
              // add empty cell for week number
              if (this.showWeekNumbers)
                  html += '<th></th>';
  
              if (!minDate || minDate.isBefore(calendar.firstDay)) {
                  html += '<th class="prev available"><i class="fa fa-arrow-left icon icon-arrow-left glyphicon glyphicon-arrow-left"></i></th>';
              } else {
                  html += '<th></th>';
              }
  
              var dateHtml = this.locale.monthNames[calendar[1][1].month()] + calendar[1][1].format(" YYYY");
  
              if (this.showDropdowns) {
                  dateHtml = this.renderDropdowns(calendar[1][1], minDate, maxDate);
              }
  
              html += '<th colspan="5" class="month">' + dateHtml + '</th>';
              if (!maxDate || maxDate.isAfter(calendar.lastDay)) {
                  html += '<th class="next available"><i class="fa fa-arrow-right icon icon-arrow-right glyphicon glyphicon-arrow-right"></i></th>';
              } else {
                  html += '<th></th>';
              }
  
              html += '</tr>';
              html += '<tr>';
  
              // add week number label
              if (this.showWeekNumbers)
                  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>';
  
              for (var row = 0; row < 6; row++) {
                  html += '<tr>';
  
                  // add week number
                  if (this.showWeekNumbers)
                      html += '<td class="week">' + calendar[row][0].week() + '</td>';
  
                  for (var col = 0; col < 7; col++) {
                      var cname = 'available ';
                      cname += (calendar[row][col].month() == calendar[1][1].month()) ? '' : 'off';
  
                      if ((minDate && calendar[row][col].isBefore(minDate, 'day')) || (maxDate && calendar[row][col].isAfter(maxDate, 'day'))) {
                          cname = ' off disabled ';
                      } else if (calendar[row][col].format('YYYY-MM-DD') == selected.format('YYYY-MM-DD')) {
                          cname += ' active ';
                          if (calendar[row][col].format('YYYY-MM-DD') == this.startDate.format('YYYY-MM-DD')) {
                              cname += ' start-date ';
                          }
                          if (calendar[row][col].format('YYYY-MM-DD') == this.endDate.format('YYYY-MM-DD')) {
                              cname += ' end-date ';
                          }
                      } else if (calendar[row][col] >= this.startDate && calendar[row][col] <= this.endDate) {
                          cname += ' in-range ';
                          if (calendar[row][col].isSame(this.startDate)) { cname += ' start-date '; }
                          if (calendar[row][col].isSame(this.endDate)) { cname += ' end-date '; }
                      }
  
                      var title = 'r' + row + 'c' + col;
                      html += '<td class="' + cname.replace(/\s+/g, ' ').replace(/^\s?(.*?)\s?$/, '$1') + '" data-title="' + title + '">' + calendar[row][col].date() + '</td>';
                  }
                  html += '</tr>';
              }
  
              html += '</tbody>';
              html += '</table>';
              html += '</div>';
  
              var i;
              if (this.timePicker) {
  
                  html += '<div class="calendar-time">';
                  html += '<select class="hourselect">';
  
                  // Disallow selections before the minDate or after the maxDate
                  var min_hour = 0;
                  var max_hour = 23;
  
                  if (minDate && (side == 'left' || this.singleDatePicker) && selected.format('YYYY-MM-DD') == minDate.format('YYYY-MM-DD')) {
                      min_hour = minDate.hour();
                      if (selected.hour() < min_hour)
                          selected.hour(min_hour);
                      if (this.timePicker12Hour && min_hour >= 12 && selected.hour() >= 12)
                          min_hour -= 12;
                      if (this.timePicker12Hour && min_hour == 12)
                          min_hour = 1;
                  }
  
                  if (maxDate && (side == 'right' || this.singleDatePicker) && selected.format('YYYY-MM-DD') == maxDate.format('YYYY-MM-DD')) {
                      max_hour = maxDate.hour();
                      if (selected.hour() > max_hour)
                          selected.hour(max_hour);
                      if (this.timePicker12Hour && max_hour >= 12 && selected.hour() >= 12)
                          max_hour -= 12;
                  }
  
                  var start = 0;
                  var end = 23;
                  var selected_hour = selected.hour();
                  if (this.timePicker12Hour) {
                      start = 1;
                      end = 12;
                      if (selected_hour >= 12)
                          selected_hour -= 12;
                      if (selected_hour === 0)
                          selected_hour = 12;
                  }
  
                  for (i = start; i <= end; i++) {
  
                      if (i == selected_hour) {
                          html += '<option value="' + i + '" selected="selected">' + i + '</option>';
                      } else if (i < min_hour || i > max_hour) {
                          html += '<option value="' + i + '" disabled="disabled" class="disabled">' + i + '</option>';
                      } else {
                          html += '<option value="' + i + '">' + i + '</option>';
                      }
                  }
  
                  html += '</select> : ';
  
                  html += '<select class="minuteselect">';
  
                  // Disallow selections before the minDate or after the maxDate
                  var min_minute = 0;
                  var max_minute = 59;
  
                  if (minDate && (side == 'left' || this.singleDatePicker) && selected.format('YYYY-MM-DD h A') == minDate.format('YYYY-MM-DD h A')) {
                      min_minute = minDate.minute();
                      if (selected.minute() < min_minute)
                          selected.minute(min_minute);
                  }
  
                  if (maxDate && (side == 'right' || this.singleDatePicker) && selected.format('YYYY-MM-DD h A') == maxDate.format('YYYY-MM-DD h A')) {
                      max_minute = maxDate.minute();
                      if (selected.minute() > max_minute)
                          selected.minute(max_minute);
                  }
  
                  for (i = 0; i < 60; i += this.timePickerIncrement) {
                      var num = i;
                      if (num < 10)
                          num = '0' + num;
                      if (i == selected.minute()) {
                          html += '<option value="' + i + '" selected="selected">' + num + '</option>';
                      } else if (i < min_minute || i > max_minute) {
                          html += '<option value="' + i + '" disabled="disabled" class="disabled">' + num + '</option>';
                      } else {
                          html += '<option value="' + i + '">' + num + '</option>';
                      }
                  }
  
                  html += '</select> ';
  
                  if (this.timePickerSeconds) {
                      html += ': <select class="secondselect">';
  
                      for (i = 0; i < 60; i += this.timePickerIncrement) {
                          var num = i;
                          if (num < 10)
                              num = '0' + num;
                          if (i == selected.second()) {
                              html += '<option value="' + i + '" selected="selected">' + num + '</option>';
                          } else {
                              html += '<option value="' + i + '">' + num + '</option>';
                          }
                      }
  
                      html += '</select>';
                  }
  
                  if (this.timePicker12Hour) {
                      html += '<select class="ampmselect">';
  
                      // Disallow selection before the minDate or after the maxDate
                      var am_html = '';
                      var pm_html = '';
  
                      if (minDate && (side == 'left' || this.singleDatePicker) && selected.format('YYYY-MM-DD') == minDate.format('YYYY-MM-DD') && minDate.hour() >= 12) {
                          am_html = ' disabled="disabled" class="disabled"';
                      }
  
                      if (maxDate && (side == 'right' || this.singleDatePicker) && selected.format('YYYY-MM-DD') == maxDate.format('YYYY-MM-DD') && maxDate.hour() < 12) {
                          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>';
                  }
  
                  html += '</div>';
  
              }
  
              return html;
  
          },
  
          remove: function() {
  
              this.container.remove();
              this.element.off('.daterangepicker');
              this.element.removeData('daterangepicker');
  
          }
  
      };
  
      $.fn.daterangepicker = function (options, cb) {
          this.each(function () {
              var el = $(this);
              if (el.data('daterangepicker'))
                  el.data('daterangepicker').remove();
              el.data('daterangepicker', new DateRangePicker(el, options, cb));
          });
          return this;
      };
  
  }));
  