--- a/js/daterangepicker.js
+++ b/js/daterangepicker.js
@@ -1,1 +1,609 @@
-
+/**
+* @version: 1.0.1
+* @author: Dan Grossman http://www.dangrossman.info/
+* @date: 2012-08-20
+* @copyright: Copyright (c) 2012 Dan Grossman. All rights reserved.
+* @license: Licensed under Apache License v2.0. See http://www.apache.org/licenses/LICENSE-2.0
+* @website: http://www.improvely.com/
+*/
+!function ($) {
+
+    var DateRangePicker = function (element, options, cb) {
+        var hasOptions = typeof options == 'object'
+        var localeObject;
+
+        //state
+        this.startDate = Date.create('today');
+        this.endDate = Date.create('today');
+        this.minDate = false;
+        this.maxDate = false;
+        this.changed = false;
+        this.cleared = false;
+        this.ranges = {};
+        this.opens = 'right';
+        this.cb = function () { };
+        this.format = '{MM}/{dd}/{yyyy}';
+        this.separator = ' - ';
+        this.showWeekNumbers = false;
+        this.buttonClasses = ['btn-success'];
+        this.locale = {
+            applyLabel: 'Apply',
+            clearLabel:"Clear",
+            fromLabel: 'From',
+            toLabel: 'To',
+            weekLabel: 'W',
+            customRangeLabel: 'Custom Range',
+            daysOfWeek: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr','Sa'],
+            monthNames: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
+            firstDay: 0
+        };
+
+        localeObject = this.locale;
+
+        this.leftCalendar = {
+            month: Date.create('today').set({ day: 1, month: this.startDate.getMonth(), year: this.startDate.getFullYear() }),
+            calendar: Array()
+        };
+
+        this.rightCalendar = {
+            month: Date.create('today').set({ day: 1, month: this.endDate.getMonth(), year: this.endDate.getFullYear() }),
+            calendar: Array()
+        };
+
+        //element that triggered the date range picker
+        this.element = $(element);
+
+        if (this.element.hasClass('pull-right'))
+            this.opens = 'left';
+
+        if (this.element.is('input')) {
+            this.element.on({
+                click: $.proxy(this.show, this),
+                focus: $.proxy(this.show, this)
+            });
+        } else {
+            this.element.on('click', $.proxy(this.show, this));
+        }
+
+        if (hasOptions) {
+            if(typeof options.locale == 'object') {
+                $.each(localeObject, function (property, value) {
+                    localeObject[property] = options.locale[property] || value;
+                });
+            }
+        }
+
+        var DRPTemplate = '<div class="daterangepicker dropdown-menu">' +
+                '<div class="calendar left"></div>' +
+                '<div class="calendar right"></div>' +
+                '<div class="ranges">' +
+                  '<div class="range_inputs">' +
+                    '<div class="daterangepicker_start_input" style="float: left">' +
+                      '<label for="daterangepicker_start">' + this.locale.fromLabel + '</label>' +
+                      '<input class="input-mini" type="text" name="daterangepicker_start" value="" disabled="disabled" />' +
+                    '</div>' +
+                    '<div class="daterangepicker_end_input" style="float: left; padding-left: 11px">' +
+                      '<label for="daterangepicker_end">' + this.locale.toLabel + '</label>' +
+                      '<input class="input-mini" type="text" name="daterangepicker_end" value="" disabled="disabled" />' +
+                    '</div>' +
+                    '<button class="btn btn-small btn-success applyBtn" disabled="disabled">' + this.locale.applyLabel + '</button>&nbsp;' +
+                    '<button class="btn btn-small clearBtn">' + this.locale.clearLabel + '</button>' +
+                  '</div>' +
+                '</div>' +
+              '</div>';
+
+        this.container = $(DRPTemplate).appendTo('body');
+
+        if (hasOptions) {
+
+            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 = Date.create(options.startDate);
+
+            if (typeof options.endDate == 'string')
+                this.endDate = Date.create(options.endDate);
+
+            if (typeof options.minDate == 'string')
+                this.minDate = Date.create(options.minDate);
+
+            if (typeof options.maxDate == 'string')
+                this.maxDate = Date.create(options.maxDate);
+
+
+            if (typeof options.startDate == 'object')
+                this.startDate = options.startDate;
+
+            if (typeof options.endDate == 'object')
+                this.endDate = options.endDate;
+
+            if (typeof options.minDate == 'object')
+                this.minDate = options.minDate;
+
+            if (typeof options.maxDate == 'object')
+                this.maxDate = options.maxDate;
+
+            if (typeof options.ranges == 'object') {
+                for (var range in options.ranges) {
+
+                    var start = options.ranges[range][0];
+                    var end = options.ranges[range][1];
+
+                    if (typeof start == 'string')
+                        start = Date.create(start);
+
+                    if (typeof end == 'string')
+                        end = Date.create(end);
+
+                    // 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 < this.minDate)
+                        start = this.minDate;
+
+                    if (this.maxDate && end > this.maxDate)
+                        end = 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 < this.minDate) || (this.maxDate && start > this.maxDate))
+                    {
+                        continue;
+                    }
+
+                    this.ranges[range] = [start, end];
+                }
+
+                var list = '<ul>';
+                for (var range in this.ranges) {
+                    list += '<li>' + range + '</li>';
+                }
+                list += '<li>' + this.locale.customRangeLabel + '</li>';
+                list += '</ul>';
+                this.container.find('.ranges').prepend(list);
+            }
+
+            // update day names order to firstDay
+            if (typeof options.locale == 'object') {
+                if (typeof options.locale.firstDay == 'number') {
+                    this.locale.firstDay = options.locale.firstDay;
+                    var iterator = options.locale.firstDay;
+                    while (iterator > 0) {
+                        this.locale.daysOfWeek.push(this.locale.daysOfWeek.shift());
+                        iterator--;
+                    }
+                }
+            }
+
+            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;
+            }
+
+        }
+
+        //apply CSS classes to buttons
+        var c = this.container;
+        $.each(this.buttonClasses, function (idx, val) {
+            c.find('button').addClass(val);
+        });
+
+        if (this.opens == 'right') {
+            //swap calendar positions
+            var left = this.container.find('.calendar.left');
+            var right = this.container.find('.calendar.right');
+            left.removeClass('left').addClass('right');
+            right.removeClass('right').addClass('left');
+        }
+
+        if (typeof options == 'undefined' || typeof options.ranges == 'undefined')
+            this.container.find('.calendar').show();
+
+        if (typeof cb == 'function')
+            this.cb = cb;
+
+        this.container.addClass('opens' + this.opens);
+
+        //event listeners
+        this.container.on('mousedown', $.proxy(this.mousedown, this));
+        this.container.find('.calendar').on('click', '.prev', $.proxy(this.clickPrev, this));
+        this.container.find('.calendar').on('click', '.next', $.proxy(this.clickNext, this));
+        this.container.find('.ranges').on('click', 'button.applyBtn', $.proxy(this.clickApply, this));
+        this.container.find('.ranges').on('click', 'button.clearBtn', $.proxy(this.clickClear, this));
+
+        this.container.find('.calendar').on('click', 'td.available', $.proxy(this.clickDate, this));
+        this.container.find('.calendar').on('mouseenter', 'td.available', $.proxy(this.enterDate, this));
+        this.container.find('.calendar').on('mouseleave', 'td.available', $.proxy(this.updateView, this));
+
+        this.container.find('.ranges').on('click', 'li', $.proxy(this.clickRange, this));
+        this.container.find('.ranges').on('mouseenter', 'li', $.proxy(this.enterRange, this));
+        this.container.find('.ranges').on('mouseleave', 'li', $.proxy(this.updateView, this));
+
+        this.element.on('keyup', $.proxy(this.updateFromControl, this));
+
+        this.updateView();
+        this.updateCalendars();
+
+    };
+
+    DateRangePicker.prototype = {
+
+        constructor: DateRangePicker,
+
+        mousedown: function (e) {
+            e.stopPropagation();
+            e.preventDefault();
+        },
+
+        updateView: function () {
+            this.leftCalendar.month.set({ month: this.startDate.getMonth(), year: this.startDate.getFullYear() });
+            this.rightCalendar.month.set({ month: this.endDate.getMonth(), year: this.endDate.getFullYear() });
+
+            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.is(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;
+
+            var dateString = this.element.val().split(this.separator);
+            var start = Date.create(dateString[0]);
+            var end = Date.create(dateString[1]);
+
+            if (start == null || end == null) return;
+            if (end.isBefore(start)) return;
+
+            this.startDate = start;
+            this.endDate = end;
+
+            this.updateView();
+            this.cb(this.startDate, this.endDate);
+            this.updateCalendars();
+        },
+
+        notify: function () {
+            if (!this.cleared) {
+              this.updateView();
+            }
+
+            if (this.element.is('input')) {
+                this.element.val(this.cleared ? '' : this.startDate.format(this.format) + this.separator + this.endDate.format(this.format));
+            }
+            var arg1 = (this.cleared ? null : this.startDate),
+                arg2 = (this.cleared ? null : this.endDate);
+            this.cleared = false;
+            this.cb(arg1,arg2);
+        },
+
+        move: function () {
+            if (this.opens == 'left') {
+                this.container.css({
+                    top: this.element.offset().top + this.element.outerHeight(),
+                    right: $(window).width() - this.element.offset().left - this.element.outerWidth(),
+                    left: 'auto'
+                });
+            } else {
+                this.container.css({
+                    top: this.element.offset().top + this.element.outerHeight(),
+                    left: this.element.offset().left,
+                    right: 'auto'
+                });
+            }
+        },
+
+        show: function (e) {
+            this.container.show();
+            this.move();
+
+            if (e) {
+                e.stopPropagation();
+                e.preventDefault();
+            }
+
+            this.changed = false;
+
+            this.element.trigger('shown',{target:e.target,picker:this});
+
+            $(document).on('mousedown', $.proxy(this.hide, this));
+        },
+
+        hide: function (e) {
+            this.container.hide();
+            $(document).off('mousedown', this.hide);
+
+            if (this.changed) {
+                this.changed = false;
+                this.notify();
+            }
+        },
+
+        enterRange: function (e) {
+            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));
+            }
+        },
+
+        clickRange: function (e) {
+            var label = e.target.innerHTML;
+            if (label == this.locale.customRangeLabel) {
+                this.container.find('.calendar').show();
+            } else {
+                var dates = this.ranges[label];
+
+                this.startDate = dates[0];
+                this.endDate = dates[1];
+
+                this.leftCalendar.month.set({ month: this.startDate.getMonth(), year: this.startDate.getFullYear() });
+                this.rightCalendar.month.set({ month: this.endDate.getMonth(), year: this.endDate.getFullYear() });
+                this.updateCalendars();
+
+                this.changed = true;
+
+                this.container.find('.calendar').hide();
+                this.hide();
+            }
+        },
+
+        clickPrev: function (e) {
+            var cal = $(e.target).parents('.calendar');
+            if (cal.hasClass('left')) {
+                this.leftCalendar.month.addMonths(-1);
+            } else {
+                this.rightCalendar.month.addMonths(-1);
+            }
+            this.updateCalendars();
+        },
+
+        clickNext: function (e) {
+            var cal = $(e.target).parents('.calendar');
+            if (cal.hasClass('left')) {
+                this.leftCalendar.month.addMonths(1);
+            } else {
+                this.rightCalendar.month.addMonths(1);
+            }
+            this.updateCalendars();
+        },
+
+        enterDate: function (e) {
+
+            var title = $(e.target).attr('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));
+            }
+
+        },
+
+        clickDate: function (e) {
+            var title = $(e.target).attr('title');
+            var row = title.substr(1, 1);
+            var col = title.substr(3, 1);
+            var cal = $(e.target).parents('.calendar');
+
+            if (cal.hasClass('left')) {
+                startDate = this.leftCalendar.calendar[row][col];
+                endDate = this.endDate;
+                this.element.trigger('clicked',{
+                  dir: 'left',
+                  picker: this
+                });
+            } else {
+                startDate = this.startDate;
+                endDate = this.rightCalendar.calendar[row][col];
+                this.element.trigger('clicked',{
+                  dir: 'right',
+                  picker: this
+                });
+            }
+
+            cal.find('td').removeClass('active');
+
+            if (startDate.is(endDate) || startDate.isBefore(endDate)) {
+                $(e.target).addClass('active');
+                if (!startDate.is(this.startDate) || !endDate.is(this.endDate))
+                    this.changed = true;
+                this.startDate = startDate;
+                this.endDate = endDate;
+            }
+            else if (startDate.isAfter(endDate)) {
+                $(e.target).addClass('active');
+                this.changed = true;
+                this.startDate = startDate;
+                this.endDate = startDate.clone().addDays(1);
+            }
+
+            this.leftCalendar.month.set({ month: this.startDate.getMonth(), year: this.startDate.getFullYear() });
+            this.rightCalendar.month.set({ month: this.endDate.getMonth(), year: this.endDate.getFullYear() });
+            this.updateCalendars();
+        },
+
+        clickApply: function (e) {
+            this.hide();
+        },
+
+        clickClear: function (e) {
+            this.changed = true;
+            this.cleared = true;
+            this.hide();
+        },
+
+        updateCalendars: function () {
+            this.leftCalendar.calendar = this.buildCalendar(this.leftCalendar.month.getMonth(), this.leftCalendar.month.getFullYear());
+            this.rightCalendar.calendar = this.buildCalendar(this.rightCalendar.month.getMonth(), this.rightCalendar.month.getFullYear());
+            this.container.find('.calendar.left').html(this.renderCalendar(this.leftCalendar.calendar, this.startDate, this.minDate, this.maxDate));
+            this.container.find('.calendar.right').html(this.renderCalendar(this.rightCalendar.calendar, this.endDate, this.startDate, this.maxDate));
+            this.element.trigger('updated',this);
+        },
+
+        buildCalendar: function (month, year) {
+
+            var firstDay = Date.create('today').set({ day: 1, month: month, year: year });
+            var lastMonth = firstDay.clone().addDays(-1).getMonth();
+            var lastYear = firstDay.clone().addDays(-1).getFullYear();
+
+            var daysInMonth = this.getDaysInMonth(year, month);
+            var daysInLastMonth = this.getDaysInMonth(lastYear, lastMonth);
+
+            var dayOfWeek = firstDay.getDay();
+
+            //initialize a 6 rows x 7 columns array for the calendar
+            var calendar = Array();
+            for (var i = 0; i < 6; i++) {
+                calendar[i] = Array();
+            }
+
+            //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 = Date.create('today').set({ day: startDay, month: lastMonth, year: lastYear });
+            for (var i = 0, col = 0, row = 0; i < 42; i++, col++, curDate = curDate.clone().addDays(1)) {
+                if (i > 0 && col % 7 == 0) {
+                    col = 0;
+                    row++;
+                }
+                calendar[row][col] = curDate;
+            }
+
+            return calendar;
+
+        },
+
+        renderCalendar: function (calendar, selected, minDate, maxDate) {
+            var html = '<table class="table-condensed">';
+            html += '<thead>';
+            html += '<tr>';
+
+            // add empty cell for week number
+            if (this.showWeekNumbers)
+                html += '<th></th>';
+
+            if (!minDate || minDate < calendar[1][1])
+            {
+                html += '<th class="prev available"><i class="icon-arrow-left"></i></th>';
+            }
+            else
+            {
+                 html += '<th></th>';
+            }
+            html += '<th colspan="5" style="width: auto">' + this.locale.monthNames[calendar[1][1].getMonth()] + calendar[1][1].format(' {yyyy}') + '</th>';
+            if (!maxDate || maxDate > calendar[1][1])
+            {
+                html += '<th class="next available"><i class="icon-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>';
+
+            $.each(this.locale.daysOfWeek, function (index, dayOfWeek) {
+                html += '<th>' + dayOfWeek + '</th>';
+            });
+
+            html += '</tr>';
+            html += '</thead>';
+            html += '<tbody>';
+
+            for (var row = 0; row < 6; row++) {
+                html += '<tr>';
+
+                // add week number
+                if (this.showWeekNumbers)
+                    html += '<td class="week">' + calendar[row][0].getWeek() + '</td>';
+
+                for (var col = 0; col < 7; col++) {
+                    var cname = 'available ';
+                    cname += (calendar[row][col].getMonth() == calendar[1][1].getMonth()) ? '' : 'off';
+
+                    // Normalise the time so the comparison won't fail
+                    selected.setHours(0,0,0,0);
+
+                    if ( (minDate && calendar[row][col] < minDate) || (maxDate && calendar[row][col] > maxDate))
+                    {
+                        cname = ' off disabled ';
+                    }
+                    else if (calendar[row][col].is(selected))
+                    {
+                        cname += ' active ';
+                        if (calendar[row][col].is(this.startDate)) { cname += ' start-date '; }
+                        if (calendar[row][col].is(this.endDate)) { cname += ' end-date '; }
+                    }
+                    else if (calendar[row][col] >= this.startDate && calendar[row][col] <= this.endDate)
+                    {
+                        cname += ' in-range ';
+                        if (calendar[row][col].is(this.startDate)) { cname += ' start-date '; }
+                        if (calendar[row][col].is(this.endDate)) { cname += ' end-date '; }
+                    }
+
+                    var title = 'r' + row + 'c' + col;
+                    html += '<td class="' + cname.replace(/\s+/g,' ').replace(/^\s?(.*?)\s?$/,'$1') + '" title="' + title + '">' + calendar[row][col].getDate() + '</td>';
+                }
+                html += '</tr>';
+            }
+
+            html += '</tbody>';
+            html += '</table>';
+
+            return html;
+
+        },
+
+        getDaysInMonth: function (y, m) {
+           return /8|3|5|10/.test(--m)?30:m==1?(!(y%4)&&y%100)||!(y%400)?29:28:31;
+        }
+
+    };
+
+    $.fn.daterangepicker = function (options, cb) {
+      this.each(function() {
+        var el = $(this);
+        if (!el.data('daterangepicker'))
+          el.data('daterangepicker', new DateRangePicker(el, options, cb));
+      });
+      return this;
+    };
+
+} (window.jQuery);
+