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/*! jQuery Timepicker Addon - v1.6.3 - 2016-04-20
* http://trentrichardson.com/examples/timepicker
* Copyright (c) 2016 Trent Richardson; Licensed MIT */
(function (factory) {
        if (typeof define === 'function' && define.amd) {
                define(['jquery', 'jquery-ui'], factory);
        } else {
                factory(jQuery);
        }
}(function ($) {

        /*
        * Lets not redefine timepicker, Prevent "Uncaught RangeError: Maximum call stack size exceeded"
        */
        $.ui.timepicker = $.ui.timepicker || {};
        if ($.ui.timepicker.version) {
                return;
        }

        /*
        * Extend jQueryUI, get it started with our version number
        */
        $.extend($.ui, {
                timepicker: {
                        version: "1.6.3"
                }
        });

        /*
        * Timepicker manager.
        * Use the singleton instance of this class, $.timepicker, to interact with the time picker.
        * Settings for (groups of) time pickers are maintained in an instance object,
        * allowing multiple different settings on the same page.
        */
        var Timepicker = function () {
                this.regional = []; // Available regional settings, indexed by language code
                this.regional[''] = { // Default regional settings
                        currentText: 'Now',
                        closeText: 'Done',
                        amNames: ['AM', 'A'],
                        pmNames: ['PM', 'P'],
                        timeFormat: 'HH:mm',
                        timeSuffix: '',
                        timeOnlyTitle: 'Choose Time',
                        timeText: 'Time',
                        hourText: 'Hour',
                        minuteText: 'Minute',
                        secondText: 'Second',
                        millisecText: 'Millisecond',
                        microsecText: 'Microsecond',
                        timezoneText: 'Time Zone',
                        isRTL: false
                };
                this._defaults = { // Global defaults for all the datetime picker instances
                        showButtonPanel: true,
                        timeOnly: false,
                        timeOnlyShowDate: false,
                        showHour: null,
                        showMinute: null,
                        showSecond: null,
                        showMillisec: null,
                        showMicrosec: null,
                        showTimezone: null,
                        showTime: true,
                        stepHour: 1,
                        stepMinute: 1,
                        stepSecond: 1,
                        stepMillisec: 1,
                        stepMicrosec: 1,
                        hour: 0,
                        minute: 0,
                        second: 0,
                        millisec: 0,
                        microsec: 0,
                        timezone: null,
                        hourMin: 0,
                        minuteMin: 0,
                        secondMin: 0,
                        millisecMin: 0,
                        microsecMin: 0,
                        hourMax: 23,
                        minuteMax: 59,
                        secondMax: 59,
                        millisecMax: 999,
                        microsecMax: 999,
                        minDateTime: null,
                        maxDateTime: null,
                        maxTime: null,
                        minTime: null,
                        onSelect: null,
                        hourGrid: 0,
                        minuteGrid: 0,
                        secondGrid: 0,
                        millisecGrid: 0,
                        microsecGrid: 0,
                        alwaysSetTime: true,
                        separator: ' ',
                        altFieldTimeOnly: true,
                        altTimeFormat: null,
                        altSeparator: null,
                        altTimeSuffix: null,
                        altRedirectFocus: true,
                        pickerTimeFormat: null,
                        pickerTimeSuffix: null,
                        showTimepicker: true,
                        timezoneList: null,
                        addSliderAccess: false,
                        sliderAccessArgs: null,
                        controlType: 'slider',
                        oneLine: false,
                        defaultValue: null,
                        parse: 'strict',
                        afterInject: null
                };
                $.extend(this._defaults, this.regional['']);
        };

        $.extend(Timepicker.prototype, {
                $input: null,
                $altInput: null,
                $timeObj: null,
                inst: null,
                hour_slider: null,
                minute_slider: null,
                second_slider: null,
                millisec_slider: null,
                microsec_slider: null,
                timezone_select: null,
                maxTime: null,
                minTime: null,
                hour: 0,
                minute: 0,
                second: 0,
                millisec: 0,
                microsec: 0,
                timezone: null,
                hourMinOriginal: null,
                minuteMinOriginal: null,
                secondMinOriginal: null,
                millisecMinOriginal: null,
                microsecMinOriginal: null,
                hourMaxOriginal: null,
                minuteMaxOriginal: null,
                secondMaxOriginal: null,
                millisecMaxOriginal: null,
                microsecMaxOriginal: null,
                ampm: '',
                formattedDate: '',
                formattedTime: '',
                formattedDateTime: '',
                timezoneList: null,
                units: ['hour', 'minute', 'second', 'millisec', 'microsec'],
                support: {},
                control: null,

                /*
                * Override the default settings for all instances of the time picker.
                * @param  {Object} settings  object - the new settings to use as defaults (anonymous object)
                * @return {Object} the manager object
                */
                setDefaults: function (settings) {
                        extendRemove(this._defaults, settings || {});
                        return this;
                },

                /*
                * Create a new Timepicker instance
                */
                _newInst: function ($input, opts) {
                        var tp_inst = new Timepicker(),
                                inlineSettings = {},
                                fns = {},
                                overrides, i;

                        for (var attrName in this._defaults) {
                                if (this._defaults.hasOwnProperty(attrName)) {
                                        var attrValue = $input.attr('time:' + attrName);
                                        if (attrValue) {
                                                try {
                                                        inlineSettings[attrName] = eval(attrValue);
                                                } catch (err) {
                                                        inlineSettings[attrName] = attrValue;
                                                }
                                        }
                                }
                        }

                        overrides = {
                                beforeShow: function (input, dp_inst) {
                                        if ($.isFunction(tp_inst._defaults.evnts.beforeShow)) {
                                                return tp_inst._defaults.evnts.beforeShow.call($input[0], input, dp_inst, tp_inst);
                                        }
                                },
                                onChangeMonthYear: function (year, month, dp_inst) {
                                        // Update the time as well : this prevents the time from disappearing from the $input field.
                                        // tp_inst._updateDateTime(dp_inst);
                                        if ($.isFunction(tp_inst._defaults.evnts.onChangeMonthYear)) {
                                                tp_inst._defaults.evnts.onChangeMonthYear.call($input[0], year, month, dp_inst, tp_inst);
                                        }
                                },
                                onClose: function (dateText, dp_inst) {
                                        if (tp_inst.timeDefined === true && $input.val() !== '') {
                                                tp_inst._updateDateTime(dp_inst);
                                        }
                                        if ($.isFunction(tp_inst._defaults.evnts.onClose)) {
                                                tp_inst._defaults.evnts.onClose.call($input[0], dateText, dp_inst, tp_inst);
                                        }
                                }
                        };
                        for (i in overrides) {
                                if (overrides.hasOwnProperty(i)) {
                                        fns[i] = opts[i] || this._defaults[i] || null;
                                }
                        }

                        tp_inst._defaults = $.extend({}, this._defaults, inlineSettings, opts, overrides, {
                                evnts: fns,
                                timepicker: tp_inst // add timepicker as a property of datepicker: $.datepicker._get(dp_inst, 'timepicker');
                        });
                        tp_inst.amNames = $.map(tp_inst._defaults.amNames, function (val) {
                                return val.toUpperCase();
                        });
                        tp_inst.pmNames = $.map(tp_inst._defaults.pmNames, function (val) {
                                return val.toUpperCase();
                        });

                        // detect which units are supported
                        tp_inst.support = detectSupport(
                                        tp_inst._defaults.timeFormat +
                                        (tp_inst._defaults.pickerTimeFormat ? tp_inst._defaults.pickerTimeFormat : '') +
                                        (tp_inst._defaults.altTimeFormat ? tp_inst._defaults.altTimeFormat : ''));

                        // controlType is string - key to our this._controls
                        if (typeof(tp_inst._defaults.controlType) === 'string') {
                                if (tp_inst._defaults.controlType === 'slider' && typeof($.ui.slider) === 'undefined') {
                                        tp_inst._defaults.controlType = 'select';
                                }
                                tp_inst.control = tp_inst._controls[tp_inst._defaults.controlType];
                        }
                        // controlType is an object and must implement create, options, value methods
                        else {
                                tp_inst.control = tp_inst._defaults.controlType;
                        }

                        // prep the timezone options
                        var timezoneList = [-720, -660, -600, -570, -540, -480, -420, -360, -300, -270, -240, -210, -180, -120, -60,
                                        0, 60, 120, 180, 210, 240, 270, 300, 330, 345, 360, 390, 420, 480, 525, 540, 570, 600, 630, 660, 690, 720, 765, 780, 840];
                        if (tp_inst._defaults.timezoneList !== null) {
                                timezoneList = tp_inst._defaults.timezoneList;
                        }
                        var tzl = timezoneList.length, tzi = 0, tzv = null;
                        if (tzl > 0 && typeof timezoneList[0] !== 'object') {
                                for (; tzi < tzl; tzi++) {
                                        tzv = timezoneList[tzi];
                                        timezoneList[tzi] = { value: tzv, label: $.timepicker.timezoneOffsetString(tzv, tp_inst.support.iso8601) };
                                }
                        }
                        tp_inst._defaults.timezoneList = timezoneList;

                        // set the default units
                        tp_inst.timezone = tp_inst._defaults.timezone !== null ? $.timepicker.timezoneOffsetNumber(tp_inst._defaults.timezone) :
                                                        ((new Date()).getTimezoneOffset() * -1);
                        tp_inst.hour = tp_inst._defaults.hour < tp_inst._defaults.hourMin ? tp_inst._defaults.hourMin :
                                                        tp_inst._defaults.hour > tp_inst._defaults.hourMax ? tp_inst._defaults.hourMax : tp_inst._defaults.hour;
                        tp_inst.minute = tp_inst._defaults.minute < tp_inst._defaults.minuteMin ? tp_inst._defaults.minuteMin :
                                                        tp_inst._defaults.minute > tp_inst._defaults.minuteMax ? tp_inst._defaults.minuteMax : tp_inst._defaults.minute;
                        tp_inst.second = tp_inst._defaults.second < tp_inst._defaults.secondMin ? tp_inst._defaults.secondMin :
                                                        tp_inst._defaults.second > tp_inst._defaults.secondMax ? tp_inst._defaults.secondMax : tp_inst._defaults.second;
                        tp_inst.millisec = tp_inst._defaults.millisec < tp_inst._defaults.millisecMin ? tp_inst._defaults.millisecMin :
                                                        tp_inst._defaults.millisec > tp_inst._defaults.millisecMax ? tp_inst._defaults.millisecMax : tp_inst._defaults.millisec;
                        tp_inst.microsec = tp_inst._defaults.microsec < tp_inst._defaults.microsecMin ? tp_inst._defaults.microsecMin :
                                                        tp_inst._defaults.microsec > tp_inst._defaults.microsecMax ? tp_inst._defaults.microsecMax : tp_inst._defaults.microsec;
                        tp_inst.ampm = '';
                        tp_inst.$input = $input;

                        if (tp_inst._defaults.altField) {
                                tp_inst.$altInput = $(tp_inst._defaults.altField);
                                if (tp_inst._defaults.altRedirectFocus === true) {
                                        tp_inst.$altInput.css({
                                                cursor: 'pointer'
                                        }).focus(function () {
                                                $input.trigger("focus");
                                        });
                                }
                        }

                        if (tp_inst._defaults.minDate === 0 || tp_inst._defaults.minDateTime === 0) {
                                tp_inst._defaults.minDate = new Date();
                        }
                        if (tp_inst._defaults.maxDate === 0 || tp_inst._defaults.maxDateTime === 0) {
                                tp_inst._defaults.maxDate = new Date();
                        }

                        // datepicker needs minDate/maxDate, timepicker needs minDateTime/maxDateTime..
                        if (tp_inst._defaults.minDate !== undefined && tp_inst._defaults.minDate instanceof Date) {
                                tp_inst._defaults.minDateTime = new Date(tp_inst._defaults.minDate.getTime());
                        }
                        if (tp_inst._defaults.minDateTime !== undefined && tp_inst._defaults.minDateTime instanceof Date) {
                                tp_inst._defaults.minDate = new Date(tp_inst._defaults.minDateTime.getTime());
                        }
                        if (tp_inst._defaults.maxDate !== undefined && tp_inst._defaults.maxDate instanceof Date) {
                                tp_inst._defaults.maxDateTime = new Date(tp_inst._defaults.maxDate.getTime());
                        }
                        if (tp_inst._defaults.maxDateTime !== undefined && tp_inst._defaults.maxDateTime instanceof Date) {
                                tp_inst._defaults.maxDate = new Date(tp_inst._defaults.maxDateTime.getTime());
                        }
                        tp_inst.$input.bind('focus', function () {
                                tp_inst._onFocus();
                        });

                        return tp_inst;
                },

                /*
                * add our sliders to the calendar
                */
                _addTimePicker: function (dp_inst) {
                        var currDT = $.trim((this.$altInput && this._defaults.altFieldTimeOnly) ? this.$input.val() + ' ' + this.$altInput.val() : this.$input.val());

                        this.timeDefined = this._parseTime(currDT);
                        this._limitMinMaxDateTime(dp_inst, false);
                        this._injectTimePicker();
                        this._afterInject();
                },

                /*
                * parse the time string from input value or _setTime
                */
                _parseTime: function (timeString, withDate) {
                        if (!this.inst) {
                                this.inst = $.datepicker._getInst(this.$input[0]);
                        }

                        if (withDate || !this._defaults.timeOnly) {
                                var dp_dateFormat = $.datepicker._get(this.inst, 'dateFormat');
                                try {
                                        var parseRes = parseDateTimeInternal(dp_dateFormat, this._defaults.timeFormat, timeString, $.datepicker._getFormatConfig(this.inst), this._defaults);
                                        if (!parseRes.timeObj) {
                                                return false;
                                        }
                                        $.extend(this, parseRes.timeObj);
                                } catch (err) {
                                        $.timepicker.log("Error parsing the date/time string: " + err +
                                                                        "\ndate/time string = " + timeString +
                                                                        "\ntimeFormat = " + this._defaults.timeFormat +
                                                                        "\ndateFormat = " + dp_dateFormat);
                                        return false;
                                }
                                return true;
                        } else {
                                var timeObj = $.datepicker.parseTime(this._defaults.timeFormat, timeString, this._defaults);
                                if (!timeObj) {
                                        return false;
                                }
                                $.extend(this, timeObj);
                                return true;
                        }
                },

                /*
                * Handle callback option after injecting timepicker
                */
                _afterInject: function() {
                        var o = this.inst.settings;
                        if ($.isFunction(o.afterInject)) {
                                o.afterInject.call(this);
                        }
                },

                /*
                * generate and inject html for timepicker into ui datepicker
                */
                _injectTimePicker: function () {
                        var $dp = this.inst.dpDiv,
                                o = this.inst.settings,
                                tp_inst = this,
                                litem = '',
                                uitem = '',
                                show = null,
                                max = {},
                                gridSize = {},
                                size = null,
                                i = 0,
                                l = 0;

                        // Prevent displaying twice
                        if ($dp.find("div.ui-timepicker-div").length === 0 && o.showTimepicker) {
                                var noDisplay = ' ui_tpicker_unit_hide',
                                        html = '<div class="ui-timepicker-div' + (o.isRTL ? ' ui-timepicker-rtl' : '') + (o.oneLine && o.controlType === 'select' ? ' ui-timepicker-oneLine' : '') + '"><dl>' + '<dt class="ui_tpicker_time_label' + ((o.showTime) ? '' : noDisplay) + '">' + o.timeText + '</dt>' +
                                                                '<dd class="ui_tpicker_time '+ ((o.showTime) ? '' : noDisplay) + '"><input class="ui_tpicker_time_input" ' + (o.timeInput ? '' : 'disabled') + '/></dd>';

                                // Create the markup
                                for (i = 0, l = this.units.length; i < l; i++) {
                                        litem = this.units[i];
                                        uitem = litem.substr(0, 1).toUpperCase() + litem.substr(1);
                                        show = o['show' + uitem] !== null ? o['show' + uitem] : this.support[litem];

                                        // Added by Peter Medeiros:
                                        // - Figure out what the hour/minute/second max should be based on the step values.
                                        // - Example: if stepMinute is 15, then minMax is 45.
                                        max[litem] = parseInt((o[litem + 'Max'] - ((o[litem + 'Max'] - o[litem + 'Min']) % o['step' + uitem])), 10);
                                        gridSize[litem] = 0;

                                        html += '<dt class="ui_tpicker_' + litem + '_label' + (show ? '' : noDisplay) + '">' + o[litem + 'Text'] + '</dt>' +
                                                                '<dd class="ui_tpicker_' + litem + (show ? '' : noDisplay) + '"><div class="ui_tpicker_' + litem + '_slider' + (show ? '' : noDisplay) + '"></div>';

                                        if (show && o[litem + 'Grid'] > 0) {
                                                html += '<div style="padding-left: 1px"><table class="ui-tpicker-grid-label"><tr>';

                                                if (litem === 'hour') {
                                                        for (var h = o[litem + 'Min']; h <= max[litem]; h += parseInt(o[litem + 'Grid'], 10)) {
                                                                gridSize[litem]++;
                                                                var tmph = $.datepicker.formatTime(this.support.ampm ? 'hht' : 'HH', {hour: h}, o);
                                                                html += '<td data-for="' + litem + '">' + tmph + '</td>';
                                                        }
                                                }
                                                else {
                                                        for (var m = o[litem + 'Min']; m <= max[litem]; m += parseInt(o[litem + 'Grid'], 10)) {
                                                                gridSize[litem]++;
                                                                html += '<td data-for="' + litem + '">' + ((m < 10) ? '0' : '') + m + '</td>';
                                                        }
                                                }

                                                html += '</tr></table></div>';
                                        }
                                        html += '</dd>';
                                }

                                // Timezone
                                var showTz = o.showTimezone !== null ? o.showTimezone : this.support.timezone;
                                html += '<dt class="ui_tpicker_timezone_label' + (showTz ? '' : noDisplay) + '">' + o.timezoneText + '</dt>';
                                html += '<dd class="ui_tpicker_timezone' + (showTz ? '' : noDisplay) + '"></dd>';

                                // Create the elements from string
                                html += '</dl></div>';
                                var $tp = $(html);

                                // if we only want time picker...
                                if (o.timeOnly === true) {
                                        $tp.prepend('<div class="ui-widget-header ui-helper-clearfix ui-corner-all">' + '<div class="ui-datepicker-title">' + o.timeOnlyTitle + '</div>' + '</div>');
                                        $dp.find('.ui-datepicker-header, .ui-datepicker-calendar').hide();
                                }

                                // add sliders, adjust grids, add events
                                for (i = 0, l = tp_inst.units.length; i < l; i++) {
                                        litem = tp_inst.units[i];
                                        uitem = litem.substr(0, 1).toUpperCase() + litem.substr(1);
                                        show = o['show' + uitem] !== null ? o['show' + uitem] : this.support[litem];

                                        // add the slider
                                        tp_inst[litem + '_slider'] = tp_inst.control.create(tp_inst, $tp.find('.ui_tpicker_' + litem + '_slider'), litem, tp_inst[litem], o[litem + 'Min'], max[litem], o['step' + uitem]);

                                        // adjust the grid and add click event
                                        if (show && o[litem + 'Grid'] > 0) {
                                                size = 100 * gridSize[litem] * o[litem + 'Grid'] / (max[litem] - o[litem + 'Min']);
                                                $tp.find('.ui_tpicker_' + litem + ' table').css({
                                                        width: size + "%",
                                                        marginLeft: o.isRTL ? '0' : ((size / (-2 * gridSize[litem])) + "%"),
                                                        marginRight: o.isRTL ? ((size / (-2 * gridSize[litem])) + "%") : '0',
                                                        borderCollapse: 'collapse'
                                                }).find("td").click(function (e) {
                                                                var $t = $(this),
                                                                        h = $t.html(),
                                                                        n = parseInt(h.replace(/[^0-9]/g), 10),
                                                                        ap = h.replace(/[^apm]/ig),
                                                                        f = $t.data('for'); // loses scope, so we use data-for

                                                                if (f === 'hour') {
                                                                        if (ap.indexOf('p') !== -1 && n < 12) {
                                                                                n += 12;
                                                                        }
                                                                        else {
                                                                                if (ap.indexOf('a') !== -1 && n === 12) {
                                                                                        n = 0;
                                                                                }
                                                                        }
                                                                }

                                                                tp_inst.control.value(tp_inst, tp_inst[f + '_slider'], litem, n);

                                                                tp_inst._onTimeChange();
                                                                tp_inst._onSelectHandler();
                                                        }).css({
                                                                cursor: 'pointer',
                                                                width: (100 / gridSize[litem]) + '%',
                                                                textAlign: 'center',
                                                                overflow: 'hidden'
                                                        });
                                        } // end if grid > 0
                                } // end for loop

                                // Add timezone options
                                this.timezone_select = $tp.find('.ui_tpicker_timezone').append('<select></select>').find("select");
                                $.fn.append.apply(this.timezone_select,
                                $.map(o.timezoneList, function (val, idx) {
                                        return $("<option />").val(typeof val === "object" ? val.value : val).text(typeof val === "object" ? val.label : val);
                                }));
                                if (typeof(this.timezone) !== "undefined" && this.timezone !== null && this.timezone !== "") {
                                        var local_timezone = (new Date(this.inst.selectedYear, this.inst.selectedMonth, this.inst.selectedDay, 12)).getTimezoneOffset() * -1;
                                        if (local_timezone === this.timezone) {
                                                selectLocalTimezone(tp_inst);
                                        } else {
                                                this.timezone_select.val(this.timezone);
                                        }
                                } else {
                                        if (typeof(this.hour) !== "undefined" && this.hour !== null && this.hour !== "") {
                                                this.timezone_select.val(o.timezone);
                                        } else {
                                                selectLocalTimezone(tp_inst);
                                        }
                                }
                                this.timezone_select.change(function () {
                                        tp_inst._onTimeChange();
                                        tp_inst._onSelectHandler();
                                        tp_inst._afterInject();
                                });
                                // End timezone options

                                // inject timepicker into datepicker
                                var $buttonPanel = $dp.find('.ui-datepicker-buttonpane');
                                if ($buttonPanel.length) {
                                        $buttonPanel.before($tp);
                                } else {
                                        $dp.append($tp);
                                }

                                this.$timeObj = $tp.find('.ui_tpicker_time_input');
                                this.$timeObj.change(function () {
                                        var timeFormat = tp_inst.inst.settings.timeFormat;
                                        var parsedTime = $.datepicker.parseTime(timeFormat, this.value);
                                        var update = new Date();
                                        if (parsedTime) {
                                                update.setHours(parsedTime.hour);
                                                update.setMinutes(parsedTime.minute);
                                                update.setSeconds(parsedTime.second);
                                                $.datepicker._setTime(tp_inst.inst, update);
                                        } else {
                                                this.value = tp_inst.formattedTime;
                                                this.blur();
                                        }
                                });

                                if (this.inst !== null) {
                                        var timeDefined = this.timeDefined;
                                        this._onTimeChange();
                                        this.timeDefined = timeDefined;
                                }

                                // slideAccess integration: http://trentrichardson.com/2011/11/11/jquery-ui-sliders-and-touch-accessibility/
                                if (this._defaults.addSliderAccess) {
                                        var sliderAccessArgs = this._defaults.sliderAccessArgs,
                                                rtl = this._defaults.isRTL;
                                        sliderAccessArgs.isRTL = rtl;

                                        setTimeout(function () { // fix for inline mode
                                                if ($tp.find('.ui-slider-access').length === 0) {
                                                        $tp.find('.ui-slider:visible').sliderAccess(sliderAccessArgs);

                                                        // fix any grids since sliders are shorter
                                                        var sliderAccessWidth = $tp.find('.ui-slider-access:eq(0)').outerWidth(true);
                                                        if (sliderAccessWidth) {
                                                                $tp.find('table:visible').each(function () {
                                                                        var $g = $(this),
                                                                                oldWidth = $g.outerWidth(),
                                                                                oldMarginLeft = $g.css(rtl ? 'marginRight' : 'marginLeft').toString().replace('%', ''),
                                                                                newWidth = oldWidth - sliderAccessWidth,
                                                                                newMarginLeft = ((oldMarginLeft * newWidth) / oldWidth) + '%',
                                                                                css = { width: newWidth, marginRight: 0, marginLeft: 0 };
                                                                        css[rtl ? 'marginRight' : 'marginLeft'] = newMarginLeft;
                                                                        $g.css(css);
                                                                });
                                                        }
                                                }
                                        }, 10);
                                }
                                // end slideAccess integration

                                tp_inst._limitMinMaxDateTime(this.inst, true);
                        }
                },

                /*
                * This function tries to limit the ability to go outside the
                * min/max date range
                */
                _limitMinMaxDateTime: function (dp_inst, adjustSliders) {
                        var o = this._defaults,
                                dp_date = new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay);

                        if (!this._defaults.showTimepicker) {
                                return;
                        } // No time so nothing to check here

                        if ($.datepicker._get(dp_inst, 'minDateTime') !== null && $.datepicker._get(dp_inst, 'minDateTime') !== undefined && dp_date) {
                                var minDateTime = $.datepicker._get(dp_inst, 'minDateTime'),
                                        minDateTimeDate = new Date(minDateTime.getFullYear(), minDateTime.getMonth(), minDateTime.getDate(), 0, 0, 0, 0);

                                if (this.hourMinOriginal === null || this.minuteMinOriginal === null || this.secondMinOriginal === null || this.millisecMinOriginal === null || this.microsecMinOriginal === null) {
                                        this.hourMinOriginal = o.hourMin;
                                        this.minuteMinOriginal = o.minuteMin;
                                        this.secondMinOriginal = o.secondMin;
                                        this.millisecMinOriginal = o.millisecMin;
                                        this.microsecMinOriginal = o.microsecMin;
                                }

                                if (dp_inst.settings.timeOnly || minDateTimeDate.getTime() === dp_date.getTime()) {
                                        this._defaults.hourMin = minDateTime.getHours();
                                        if (this.hour <= this._defaults.hourMin) {
                                                this.hour = this._defaults.hourMin;
                                                this._defaults.minuteMin = minDateTime.getMinutes();
                                                if (this.minute <= this._defaults.minuteMin) {
                                                        this.minute = this._defaults.minuteMin;
                                                        this._defaults.secondMin = minDateTime.getSeconds();
                                                        if (this.second <= this._defaults.secondMin) {
                                                                this.second = this._defaults.secondMin;
                                                                this._defaults.millisecMin = minDateTime.getMilliseconds();
                                                                if (this.millisec <= this._defaults.millisecMin) {
                                                                        this.millisec = this._defaults.millisecMin;
                                                                        this._defaults.microsecMin = minDateTime.getMicroseconds();
                                                                } else {
                                                                        if (this.microsec < this._defaults.microsecMin) {
                                                                                this.microsec = this._defaults.microsecMin;
                                                                        }
                                                                        this._defaults.microsecMin = this.microsecMinOriginal;
                                                                }
                                                        } else {
                                                                this._defaults.millisecMin = this.millisecMinOriginal;
                                                                this._defaults.microsecMin = this.microsecMinOriginal;
                                                        }
                                                } else {
                                                        this._defaults.secondMin = this.secondMinOriginal;
                                                        this._defaults.millisecMin = this.millisecMinOriginal;
                                                        this._defaults.microsecMin = this.microsecMinOriginal;
                                                }
                                        } else {
                                                this._defaults.minuteMin = this.minuteMinOriginal;
                                                this._defaults.secondMin = this.secondMinOriginal;
                                                this._defaults.millisecMin = this.millisecMinOriginal;
                                                this._defaults.microsecMin = this.microsecMinOriginal;
                                        }
                                } else {
                                        this._defaults.hourMin = this.hourMinOriginal;
                                        this._defaults.minuteMin = this.minuteMinOriginal;
                                        this._defaults.secondMin = this.secondMinOriginal;
                                        this._defaults.millisecMin = this.millisecMinOriginal;
                                        this._defaults.microsecMin = this.microsecMinOriginal;
                                }
                        }

                        if ($.datepicker._get(dp_inst, 'maxDateTime') !== null && $.datepicker._get(dp_inst, 'maxDateTime') !== undefined && dp_date) {
                                var maxDateTime = $.datepicker._get(dp_inst, 'maxDateTime'),
                                        maxDateTimeDate = new Date(maxDateTime.getFullYear(), maxDateTime.getMonth(), maxDateTime.getDate(), 0, 0, 0, 0);

                                if (this.hourMaxOriginal === null || this.minuteMaxOriginal === null || this.secondMaxOriginal === null || this.millisecMaxOriginal === null) {
                                        this.hourMaxOriginal = o.hourMax;
                                        this.minuteMaxOriginal = o.minuteMax;
                                        this.secondMaxOriginal = o.secondMax;
                                        this.millisecMaxOriginal = o.millisecMax;
                                        this.microsecMaxOriginal = o.microsecMax;
                                }

                                if (dp_inst.settings.timeOnly || maxDateTimeDate.getTime() === dp_date.getTime()) {
                                        this._defaults.hourMax = maxDateTime.getHours();
                                        if (this.hour >= this._defaults.hourMax) {
                                                this.hour = this._defaults.hourMax;
                                                this._defaults.minuteMax = maxDateTime.getMinutes();
                                                if (this.minute >= this._defaults.minuteMax) {
                                                        this.minute = this._defaults.minuteMax;
                                                        this._defaults.secondMax = maxDateTime.getSeconds();
                                                        if (this.second >= this._defaults.secondMax) {
                                                                this.second = this._defaults.secondMax;
                                                                this._defaults.millisecMax = maxDateTime.getMilliseconds();
                                                                if (this.millisec >= this._defaults.millisecMax) {
                                                                        this.millisec = this._defaults.millisecMax;
                                                                        this._defaults.microsecMax = maxDateTime.getMicroseconds();
                                                                } else {
                                                                        if (this.microsec > this._defaults.microsecMax) {
                                                                                this.microsec = this._defaults.microsecMax;
                                                                        }
                                                                        this._defaults.microsecMax = this.microsecMaxOriginal;
                                                                }
                                                        } else {
                                                                this._defaults.millisecMax = this.millisecMaxOriginal;
                                                                this._defaults.microsecMax = this.microsecMaxOriginal;
                                                        }
                                                } else {
                                                        this._defaults.secondMax = this.secondMaxOriginal;
                                                        this._defaults.millisecMax = this.millisecMaxOriginal;
                                                        this._defaults.microsecMax = this.microsecMaxOriginal;
                                                }
                                        } else {
                                                this._defaults.minuteMax = this.minuteMaxOriginal;
                                                this._defaults.secondMax = this.secondMaxOriginal;
                                                this._defaults.millisecMax = this.millisecMaxOriginal;
                                                this._defaults.microsecMax = this.microsecMaxOriginal;
                                        }
                                } else {
                                        this._defaults.hourMax = this.hourMaxOriginal;
                                        this._defaults.minuteMax = this.minuteMaxOriginal;
                                        this._defaults.secondMax = this.secondMaxOriginal;
                                        this._defaults.millisecMax = this.millisecMaxOriginal;
                                        this._defaults.microsecMax = this.microsecMaxOriginal;
                                }
                        }

                        if (dp_inst.settings.minTime!==null) {
                                var tempMinTime=new Date("01/01/1970 " + dp_inst.settings.minTime);
                                if (this.hour<tempMinTime.getHours()) {
                                        this.hour=this._defaults.hourMin=tempMinTime.getHours();
                                        this.minute=this._defaults.minuteMin=tempMinTime.getMinutes();
                                } else if (this.hour===tempMinTime.getHours() && this.minute<tempMinTime.getMinutes()) {
                                        this.minute=this._defaults.minuteMin=tempMinTime.getMinutes();
                                } else {
                                        if (this._defaults.hourMin<tempMinTime.getHours()) {
                                                this._defaults.hourMin=tempMinTime.getHours();
                                                this._defaults.minuteMin=tempMinTime.getMinutes();
                                        } else if (this._defaults.hourMin===tempMinTime.getHours()===this.hour && this._defaults.minuteMin<tempMinTime.getMinutes()) {
                                                this._defaults.minuteMin=tempMinTime.getMinutes();
                                        } else {
                                                this._defaults.minuteMin=0;
                                        }
                                }
                        }

                        if (dp_inst.settings.maxTime!==null) {
                                var tempMaxTime=new Date("01/01/1970 " + dp_inst.settings.maxTime);
                                if (this.hour>tempMaxTime.getHours()) {
                                        this.hour=this._defaults.hourMax=tempMaxTime.getHours();
                                        this.minute=this._defaults.minuteMax=tempMaxTime.getMinutes();
                                } else if (this.hour===tempMaxTime.getHours() && this.minute>tempMaxTime.getMinutes()) {
                                        this.minute=this._defaults.minuteMax=tempMaxTime.getMinutes();
                                } else {
                                        if (this._defaults.hourMax>tempMaxTime.getHours()) {
                                                this._defaults.hourMax=tempMaxTime.getHours();
                                                this._defaults.minuteMax=tempMaxTime.getMinutes();
                                        } else if (this._defaults.hourMax===tempMaxTime.getHours()===this.hour && this._defaults.minuteMax>tempMaxTime.getMinutes()) {
                                                this._defaults.minuteMax=tempMaxTime.getMinutes();
                                        } else {
                                                this._defaults.minuteMax=59;
                                        }
                                }
                        }

                        if (adjustSliders !== undefined && adjustSliders === true) {
                                var hourMax = parseInt((this._defaults.hourMax - ((this._defaults.hourMax - this._defaults.hourMin) % this._defaults.stepHour)), 10),
                                        minMax = parseInt((this._defaults.minuteMax - ((this._defaults.minuteMax - this._defaults.minuteMin) % this._defaults.stepMinute)), 10),
                                        secMax = parseInt((this._defaults.secondMax - ((this._defaults.secondMax - this._defaults.secondMin) % this._defaults.stepSecond)), 10),
                                        millisecMax = parseInt((this._defaults.millisecMax - ((this._defaults.millisecMax - this._defaults.millisecMin) % this._defaults.stepMillisec)), 10),
                                        microsecMax = parseInt((this._defaults.microsecMax - ((this._defaults.microsecMax - this._defaults.microsecMin) % this._defaults.stepMicrosec)), 10);

                                if (this.hour_slider) {
                                        this.control.options(this, this.hour_slider, 'hour', { min: this._defaults.hourMin, max: hourMax, step: this._defaults.stepHour });
                                        this.control.value(this, this.hour_slider, 'hour', this.hour - (this.hour % this._defaults.stepHour));
                                }
                                if (this.minute_slider) {
                                        this.control.options(this, this.minute_slider, 'minute', { min: this._defaults.minuteMin, max: minMax, step: this._defaults.stepMinute });
                                        this.control.value(this, this.minute_slider, 'minute', this.minute - (this.minute % this._defaults.stepMinute));
                                }
                                if (this.second_slider) {
                                        this.control.options(this, this.second_slider, 'second', { min: this._defaults.secondMin, max: secMax, step: this._defaults.stepSecond });
                                        this.control.value(this, this.second_slider, 'second', this.second - (this.second % this._defaults.stepSecond));
                                }
                                if (this.millisec_slider) {
                                        this.control.options(this, this.millisec_slider, 'millisec', { min: this._defaults.millisecMin, max: millisecMax, step: this._defaults.stepMillisec });
                                        this.control.value(this, this.millisec_slider, 'millisec', this.millisec - (this.millisec % this._defaults.stepMillisec));
                                }
                                if (this.microsec_slider) {
                                        this.control.options(this, this.microsec_slider, 'microsec', { min: this._defaults.microsecMin, max: microsecMax, step: this._defaults.stepMicrosec });
                                        this.control.value(this, this.microsec_slider, 'microsec', this.microsec - (this.microsec % this._defaults.stepMicrosec));
                                }
                        }

                },

                /*
                * when a slider moves, set the internal time...
                * on time change is also called when the time is updated in the text field
                */
                _onTimeChange: function () {
                        if (!this._defaults.showTimepicker) {
                                return;
                        }
                        var hour = (this.hour_slider) ? this.control.value(this, this.hour_slider, 'hour') : false,
                                minute = (this.minute_slider) ? this.control.value(this, this.minute_slider, 'minute') : false,
                                second = (this.second_slider) ? this.control.value(this, this.second_slider, 'second') : false,
                                millisec = (this.millisec_slider) ? this.control.value(this, this.millisec_slider, 'millisec') : false,
                                microsec = (this.microsec_slider) ? this.control.value(this, this.microsec_slider, 'microsec') : false,
                                timezone = (this.timezone_select) ? this.timezone_select.val() : false,
                                o = this._defaults,
                                pickerTimeFormat = o.pickerTimeFormat || o.timeFormat,
                                pickerTimeSuffix = o.pickerTimeSuffix || o.timeSuffix;

                        if (typeof(hour) === 'object') {
                                hour = false;
                        }
                        if (typeof(minute) === 'object') {
                                minute = false;
                        }
                        if (typeof(second) === 'object') {
                                second = false;
                        }
                        if (typeof(millisec) === 'object') {
                                millisec = false;
                        }
                        if (typeof(microsec) === 'object') {
                                microsec = false;
                        }
                        if (typeof(timezone) === 'object') {
                                timezone = false;
                        }

                        if (hour !== false) {
                                hour = parseInt(hour, 10);
                        }
                        if (minute !== false) {
                                minute = parseInt(minute, 10);
                        }
                        if (second !== false) {
                                second = parseInt(second, 10);
                        }
                        if (millisec !== false) {
                                millisec = parseInt(millisec, 10);
                        }
                        if (microsec !== false) {
                                microsec = parseInt(microsec, 10);
                        }
                        if (timezone !== false) {
                                timezone = timezone.toString();
                        }

                        var ampm = o[hour < 12 ? 'amNames' : 'pmNames'][0];

                        // If the update was done in the input field, the input field should not be updated.
                        // If the update was done using the sliders, update the input field.
                        var hasChanged = (
                                                hour !== parseInt(this.hour,10) || // sliders should all be numeric
                                                minute !== parseInt(this.minute,10) ||
                                                second !== parseInt(this.second,10) ||
                                                millisec !== parseInt(this.millisec,10) ||
                                                microsec !== parseInt(this.microsec,10) ||
                                                (this.ampm.length > 0 && (hour < 12) !== ($.inArray(this.ampm.toUpperCase(), this.amNames) !== -1)) ||
                                                (this.timezone !== null && timezone !== this.timezone.toString()) // could be numeric or "EST" format, so use toString()
                                        );

                        if (hasChanged) {

                                if (hour !== false) {
                                        this.hour = hour;
                                }
                                if (minute !== false) {
                                        this.minute = minute;
                                }
                                if (second !== false) {
                                        this.second = second;
                                }
                                if (millisec !== false) {
                                        this.millisec = millisec;
                                }
                                if (microsec !== false) {
                                        this.microsec = microsec;
                                }
                                if (timezone !== false) {
                                        this.timezone = timezone;
                                }

                                if (!this.inst) {
                                        this.inst = $.datepicker._getInst(this.$input[0]);
                                }

                                this._limitMinMaxDateTime(this.inst, true);
                        }
                        if (this.support.ampm) {
                                this.ampm = ampm;
                        }

                        // Updates the time within the timepicker
                        this.formattedTime = $.datepicker.formatTime(o.timeFormat, this, o);
                        if (this.$timeObj) {
                                if (pickerTimeFormat === o.timeFormat) {
                                        this.$timeObj.val(this.formattedTime + pickerTimeSuffix);
                                }
                                else {
                                        this.$timeObj.val($.datepicker.formatTime(pickerTimeFormat, this, o) + pickerTimeSuffix);
                                }
                                if (this.$timeObj[0].setSelectionRange) {
                                        var sPos = this.$timeObj[0].selectionStart;
                                        var ePos = this.$timeObj[0].selectionEnd;
                                        this.$timeObj[0].setSelectionRange(sPos, ePos);
                                }
                        }

                        this.timeDefined = true;
                        if (hasChanged) {
                                this._updateDateTime();
                                //this.$input.focus(); // may automatically open the picker on setDate
                        }
                },

                /*
                * call custom onSelect.
                * bind to sliders slidestop, and grid click.
                */
                _onSelectHandler: function () {
                        var onSelect = this._defaults.onSelect || this.inst.settings.onSelect;
                        var inputEl = this.$input ? this.$input[0] : null;
                        if (onSelect && inputEl) {
                                onSelect.apply(inputEl, [this.formattedDateTime, this]);
                        }
                },

                /*
                * update our input with the new date time..
                */
                _updateDateTime: function (dp_inst) {
                        dp_inst = this.inst || dp_inst;
                        var dtTmp = (dp_inst.currentYear > 0?
                                                        new Date(dp_inst.currentYear, dp_inst.currentMonth, dp_inst.currentDay) :
                                                        new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay)),
                                dt = $.datepicker._daylightSavingAdjust(dtTmp),
                                //dt = $.datepicker._daylightSavingAdjust(new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay)),
                                //dt = $.datepicker._daylightSavingAdjust(new Date(dp_inst.currentYear, dp_inst.currentMonth, dp_inst.currentDay)),
                                dateFmt = $.datepicker._get(dp_inst, 'dateFormat'),
                                formatCfg = $.datepicker._getFormatConfig(dp_inst),
                                timeAvailable = dt !== null && this.timeDefined;
                        this.formattedDate = $.datepicker.formatDate(dateFmt, (dt === null ? new Date() : dt), formatCfg);
                        var formattedDateTime = this.formattedDate;

                        // if a slider was changed but datepicker doesn't have a value yet, set it
                        if (dp_inst.lastVal === "") {
                dp_inst.currentYear = dp_inst.selectedYear;
                dp_inst.currentMonth = dp_inst.selectedMonth;
                dp_inst.currentDay = dp_inst.selectedDay;
            }

                        /*
                        * remove following lines to force every changes in date picker to change the input value
                        * Bug descriptions: when an input field has a default value, and click on the field to pop up the date picker.
                        * If the user manually empty the value in the input field, the date picker will never change selected value.
                        */
                        //if (dp_inst.lastVal !== undefined && (dp_inst.lastVal.length > 0 && this.$input.val().length === 0)) {
                        //      return;
                        //}

                        if (this._defaults.timeOnly === true && this._defaults.timeOnlyShowDate === false) {
                                formattedDateTime = this.formattedTime;
                        } else if ((this._defaults.timeOnly !== true && (this._defaults.alwaysSetTime || timeAvailable)) || (this._defaults.timeOnly === true && this._defaults.timeOnlyShowDate === true)) {
                                formattedDateTime += this._defaults.separator + this.formattedTime + this._defaults.timeSuffix;
                        }

                        this.formattedDateTime = formattedDateTime;

                        if (!this._defaults.showTimepicker) {
                                this.$input.val(this.formattedDate);
                        } else if (this.$altInput && this._defaults.timeOnly === false && this._defaults.altFieldTimeOnly === true) {
                                this.$altInput.val(this.formattedTime);
                                this.$input.val(this.formattedDate);
                        } else if (this.$altInput) {
                                this.$input.val(formattedDateTime);
                                var altFormattedDateTime = '',
                                        altSeparator = this._defaults.altSeparator !== null ? this._defaults.altSeparator : this._defaults.separator,
                                        altTimeSuffix = this._defaults.altTimeSuffix !== null ? this._defaults.altTimeSuffix : this._defaults.timeSuffix;

                                if (!this._defaults.timeOnly) {
                                        if (this._defaults.altFormat) {
                                                altFormattedDateTime = $.datepicker.formatDate(this._defaults.altFormat, (dt === null ? new Date() : dt), formatCfg);
                                        }
                                        else {
                                                altFormattedDateTime = this.formattedDate;
                                        }

                                        if (altFormattedDateTime) {
                                                altFormattedDateTime += altSeparator;
                                        }
                                }

                                if (this._defaults.altTimeFormat !== null) {
                                        altFormattedDateTime += $.datepicker.formatTime(this._defaults.altTimeFormat, this, this._defaults) + altTimeSuffix;
                                }
                                else {
                                        altFormattedDateTime += this.formattedTime + altTimeSuffix;
                                }
                                this.$altInput.val(altFormattedDateTime);
                        } else {
                                this.$input.val(formattedDateTime);
                        }

                        this.$input.trigger("change");
                },

                _onFocus: function () {
                        if (!this.$input.val() && this._defaults.defaultValue) {
                                this.$input.val(this._defaults.defaultValue);
                                var inst = $.datepicker._getInst(this.$input.get(0)),
                                        tp_inst = $.datepicker._get(inst, 'timepicker');
                                if (tp_inst) {
                                        if (tp_inst._defaults.timeOnly && (inst.input.val() !== inst.lastVal)) {
                                                try {
                                                        $.datepicker._updateDatepicker(inst);
                                                } catch (err) {
                                                        $.timepicker.log(err);
                                                }
                                        }
                                }
                        }
                },

                /*
                * Small abstraction to control types
                * We can add more, just be sure to follow the pattern: create, options, value
                */
                _controls: {
                        // slider methods
                        slider: {
                                create: function (tp_inst, obj, unit, val, min, max, step) {
                                        var rtl = tp_inst._defaults.isRTL; // if rtl go -60->0 instead of 0->60
                                        return obj.prop('slide', null).slider({
                                                orientation: "horizontal",
                                                value: rtl ? val * -1 : val,
                                                min: rtl ? max * -1 : min,
                                                max: rtl ? min * -1 : max,
                                                step: step,
                                                slide: function (event, ui) {
                                                        tp_inst.control.value(tp_inst, $(this), unit, rtl ? ui.value * -1 : ui.value);
                                                        tp_inst._onTimeChange();
                                                },
                                                stop: function (event, ui) {
                                                        tp_inst._onSelectHandler();
                                                }
                                        });
                                },
                                options: function (tp_inst, obj, unit, opts, val) {
                                        if (tp_inst._defaults.isRTL) {
                                                if (typeof(opts) === 'string') {
                                                        if (opts === 'min' || opts === 'max') {
                                                                if (val !== undefined) {
                                                                        return obj.slider(opts, val * -1);
                                                                }
                                                                return Math.abs(obj.slider(opts));
                                                        }
                                                        return obj.slider(opts);
                                                }
                                                var min = opts.min,
                                                        max = opts.max;
                                                opts.min = opts.max = null;
                                                if (min !== undefined) {
                                                        opts.max = min * -1;
                                                }
                                                if (max !== undefined) {
                                                        opts.min = max * -1;
                                                }
                                                return obj.slider(opts);
                                        }
                                        if (typeof(opts) === 'string' && val !== undefined) {
                                                return obj.slider(opts, val);
                                        }
                                        return obj.slider(opts);
                                },
                                value: function (tp_inst, obj, unit, val) {
                                        if (tp_inst._defaults.isRTL) {
                                                if (val !== undefined) {
                                                        return obj.slider('value', val * -1);
                                                }
                                                return Math.abs(obj.slider('value'));
                                        }
                                        if (val !== undefined) {
                                                return obj.slider('value', val);
                                        }
                                        return obj.slider('value');
                                }
                        },
                        // select methods
                        select: {
                                create: function (tp_inst, obj, unit, val, min, max, step) {
                                        var sel = '<select class="ui-timepicker-select ui-state-default ui-corner-all" data-unit="' + unit + '" data-min="' + min + '" data-max="' + max + '" data-step="' + step + '">',
                                                format = tp_inst._defaults.pickerTimeFormat || tp_inst._defaults.timeFormat;

                                        for (var i = min; i <= max; i += step) {
                                                sel += '<option value="' + i + '"' + (i === val ? ' selected' : '') + '>';
                                                if (unit === 'hour') {
                                                        sel += $.datepicker.formatTime($.trim(format.replace(/[^ht ]/ig, '')), {hour: i}, tp_inst._defaults);
                                                }
                                                else if (unit === 'millisec' || unit === 'microsec' || i >= 10) { sel += i; }
                                                else {sel += '0' + i.toString(); }
                                                sel += '</option>';
                                        }
                                        sel += '</select>';

                                        obj.children('select').remove();

                                        $(sel).appendTo(obj).change(function (e) {
                                                tp_inst._onTimeChange();
                                                tp_inst._onSelectHandler();
                                                tp_inst._afterInject();
                                        });

                                        return obj;
                                },
                                options: function (tp_inst, obj, unit, opts, val) {
                                        var o = {},
                                                $t = obj.children('select');
                                        if (typeof(opts) === 'string') {
                                                if (val === undefined) {
                                                        return $t.data(opts);
                                                }
                                                o[opts] = val;
                                        }
                                        else { o = opts; }
                                        return tp_inst.control.create(tp_inst, obj, $t.data('unit'), $t.val(), o.min>=0 ? o.min : $t.data('min'), o.max || $t.data('max'), o.step || $t.data('step'));
                                },
                                value: function (tp_inst, obj, unit, val) {
                                        var $t = obj.children('select');
                                        if (val !== undefined) {
                                                return $t.val(val);
                                        }
                                        return $t.val();
                                }
                        }
                } // end _controls

        });

        $.fn.extend({
                /*
                * shorthand just to use timepicker.
                */
                timepicker: function (o) {
                        o = o || {};
                        var tmp_args = Array.prototype.slice.call(arguments);

                        if (typeof o === 'object') {
                                tmp_args[0] = $.extend(o, {
                                        timeOnly: true
                                });
                        }

                        return $(this).each(function () {
                                $.fn.datetimepicker.apply($(this), tmp_args);
                        });
                },

                /*
                * extend timepicker to datepicker
                */
                datetimepicker: function (o) {
                        o = o || {};
                        var tmp_args = arguments;

                        if (typeof(o) === 'string') {
                                if (o === 'getDate'  || (o === 'option' && tmp_args.length === 2 && typeof (tmp_args[1]) === 'string')) {
                                        return $.fn.datepicker.apply($(this[0]), tmp_args);
                                } else {
                                        return this.each(function () {
                                                var $t = $(this);
                                                $t.datepicker.apply($t, tmp_args);
                                        });
                                }
                        } else {
                                return this.each(function () {
                                        var $t = $(this);
                                        $t.datepicker($.timepicker._newInst($t, o)._defaults);
                                });
                        }
                }
        });

        /*
        * Public Utility to parse date and time
        */
        $.datepicker.parseDateTime = function (dateFormat, timeFormat, dateTimeString, dateSettings, timeSettings) {
                var parseRes = parseDateTimeInternal(dateFormat, timeFormat, dateTimeString, dateSettings, timeSettings);
                if (parseRes.timeObj) {
                        var t = parseRes.timeObj;
                        parseRes.date.setHours(t.hour, t.minute, t.second, t.millisec);
                        parseRes.date.setMicroseconds(t.microsec);
                }

                return parseRes.date;
        };

        /*
        * Public utility to parse time
        */
        $.datepicker.parseTime = function (timeFormat, timeString, options) {
                var o = extendRemove(extendRemove({}, $.timepicker._defaults), options || {}),
                        iso8601 = (timeFormat.replace(/\'.*?\'/g, '').indexOf('Z') !== -1);

                // Strict parse requires the timeString to match the timeFormat exactly
                var strictParse = function (f, s, o) {

                        // pattern for standard and localized AM/PM markers
                        var getPatternAmpm = function (amNames, pmNames) {
                                var markers = [];
                                if (amNames) {
                                        $.merge(markers, amNames);
                                }
                                if (pmNames) {
                                        $.merge(markers, pmNames);
                                }
                                markers = $.map(markers, function (val) {
                                        return val.replace(/[.*+?|()\[\]{}\\]/g, '\\$&');
                                });
                                return '(' + markers.join('|') + ')?';
                        };

                        // figure out position of time elements.. cause js cant do named captures
                        var getFormatPositions = function (timeFormat) {
                                var finds = timeFormat.toLowerCase().match(/(h{1,2}|m{1,2}|s{1,2}|l{1}|c{1}|t{1,2}|z|'.*?')/g),
                                        orders = {
                                                h: -1,
                                                m: -1,
                                                s: -1,
                                                l: -1,
                                                c: -1,
                                                t: -1,
                                                z: -1
                                        };

                                if (finds) {
                                        for (var i = 0; i < finds.length; i++) {
                                                if (orders[finds[i].toString().charAt(0)] === -1) {
                                                        orders[finds[i].toString().charAt(0)] = i + 1;
                                                }
                                        }
                                }
                                return orders;
                        };

                        var regstr = '^' + f.toString()
                                        .replace(/([hH]{1,2}|mm?|ss?|[tT]{1,2}|[zZ]|[lc]|'.*?')/g, function (match) {
                                                        var ml = match.length;
                                                        switch (match.charAt(0).toLowerCase()) {
                                                        case 'h':
                                                                return ml === 1 ? '(\\d?\\d)' : '(\\d{' + ml + '})';
                                                        case 'm':
                                                                return ml === 1 ? '(\\d?\\d)' : '(\\d{' + ml + '})';
                                                        case 's':
                                                                return ml === 1 ? '(\\d?\\d)' : '(\\d{' + ml + '})';
                                                        case 'l':
                                                                return '(\\d?\\d?\\d)';
                                                        case 'c':
                                                                return '(\\d?\\d?\\d)';
                                                        case 'z':
                                                                return '(z|[-+]\\d\\d:?\\d\\d|\\S+)?';
                                                        case 't':
                                                                return getPatternAmpm(o.amNames, o.pmNames);
                                                        default:    // literal escaped in quotes
                                                                return '(' + match.replace(/\'/g, "").replace(/(\.|\$|\^|\\|\/|\(|\)|\[|\]|\?|\+|\*)/g, function (m) { return "\\" + m; }) + ')?';
                                                        }
                                                })
                                        .replace(/\s/g, '\\s?') +
                                        o.timeSuffix + '$',
                                order = getFormatPositions(f),
                                ampm = '',
                                treg;

                        treg = s.match(new RegExp(regstr, 'i'));

                        var resTime = {
                                hour: 0,
                                minute: 0,
                                second: 0,
                                millisec: 0,
                                microsec: 0
                        };

                        if (treg) {
                                if (order.t !== -1) {
                                        if (treg[order.t] === undefined || treg[order.t].length === 0) {
                                                ampm = '';
                                                resTime.ampm = '';
                                        } else {
                                                ampm = $.inArray(treg[order.t].toUpperCase(), $.map(o.amNames, function (x,i) { return x.toUpperCase(); })) !== -1 ? 'AM' : 'PM';
                                                resTime.ampm = o[ampm === 'AM' ? 'amNames' : 'pmNames'][0];
                                        }
                                }

                                if (order.h !== -1) {
                                        if (ampm === 'AM' && treg[order.h] === '12') {
                                                resTime.hour = 0; // 12am = 0 hour
                                        } else {
                                                if (ampm === 'PM' && treg[order.h] !== '12') {
                                                        resTime.hour = parseInt(treg[order.h], 10) + 12; // 12pm = 12 hour, any other pm = hour + 12
                                                } else {
                                                        resTime.hour = Number(treg[order.h]);
                                                }
                                        }
                                }

                                if (order.m !== -1) {
                                        resTime.minute = Number(treg[order.m]);
                                }
                                if (order.s !== -1) {
                                        resTime.second = Number(treg[order.s]);
                                }
                                if (order.l !== -1) {
                                        resTime.millisec = Number(treg[order.l]);
                                }
                                if (order.c !== -1) {
                                        resTime.microsec = Number(treg[order.c]);
                                }
                                if (order.z !== -1 && treg[order.z] !== undefined) {
                                        resTime.timezone = $.timepicker.timezoneOffsetNumber(treg[order.z]);
                                }


                                return resTime;
                        }
                        return false;
                };// end strictParse

                // First try JS Date, if that fails, use strictParse
                var looseParse = function (f, s, o) {
                        try {
                                var d = new Date('2012-01-01 ' + s);
                                if (isNaN(d.getTime())) {
                                        d = new Date('2012-01-01T' + s);
                                        if (isNaN(d.getTime())) {
                                                d = new Date('01/01/2012 ' + s);
                                                if (isNaN(d.getTime())) {
                                                        throw "Unable to parse time with native Date: " + s;
                                                }
                                        }
                                }

                                return {
                                        hour: d.getHours(),
                                        minute: d.getMinutes(),
                                        second: d.getSeconds(),
                                        millisec: d.getMilliseconds(),
                                        microsec: d.getMicroseconds(),
                                        timezone: d.getTimezoneOffset() * -1
                                };
                        }
                        catch (err) {
                                try {
                                        return strictParse(f, s, o);
                                }
                                catch (err2) {
                                        $.timepicker.log("Unable to parse \ntimeString: " + s + "\ntimeFormat: " + f);
                                }
                        }
                        return false;
                }; // end looseParse

                if (typeof o.parse === "function") {
                        return o.parse(timeFormat, timeString, o);
                }
                if (o.parse === 'loose') {
                        return looseParse(timeFormat, timeString, o);
                }
                return strictParse(timeFormat, timeString, o);
        };

        /**
         * Public utility to format the time
         * @param {string} format format of the time
         * @param {Object} time Object not a Date for timezones
         * @param {Object} [options] essentially the regional[].. amNames, pmNames, ampm
         * @returns {string} the formatted time
         */
        $.datepicker.formatTime = function (format, time, options) {
                options = options || {};
                options = $.extend({}, $.timepicker._defaults, options);
                time = $.extend({
                        hour: 0,
                        minute: 0,
                        second: 0,
                        millisec: 0,
                        microsec: 0,
                        timezone: null
                }, time);

                var tmptime = format,
                        ampmName = options.amNames[0],
                        hour = parseInt(time.hour, 10);

                if (hour > 11) {
                        ampmName = options.pmNames[0];
                }

                tmptime = tmptime.replace(/(?:HH?|hh?|mm?|ss?|[tT]{1,2}|[zZ]|[lc]|'.*?')/g, function (match) {
                        switch (match) {
                        case 'HH':
                                return ('0' + hour).slice(-2);
                        case 'H':
                                return hour;
                        case 'hh':
                                return ('0' + convert24to12(hour)).slice(-2);
                        case 'h':
                                return convert24to12(hour);
                        case 'mm':
                                return ('0' + time.minute).slice(-2);
                        case 'm':
                                return time.minute;
                        case 'ss':
                                return ('0' + time.second).slice(-2);
                        case 's':
                                return time.second;
                        case 'l':
                                return ('00' + time.millisec).slice(-3);
                        case 'c':
                                return ('00' + time.microsec).slice(-3);
                        case 'z':
                                return $.timepicker.timezoneOffsetString(time.timezone === null ? options.timezone : time.timezone, false);
                        case 'Z':
                                return $.timepicker.timezoneOffsetString(time.timezone === null ? options.timezone : time.timezone, true);
                        case 'T':
                                return ampmName.charAt(0).toUpperCase();
                        case 'TT':
                                return ampmName.toUpperCase();
                        case 't':
                                return ampmName.charAt(0).toLowerCase();
                        case 'tt':
                                return ampmName.toLowerCase();
                        default:
                                return match.replace(/'/g, "");
                        }
                });

                return tmptime;
        };

        /*
        * the bad hack :/ override datepicker so it doesn't close on select
        // inspired: http://stackoverflow.com/questions/1252512/jquery-datepicker-prevent-closing-picker-when-clicking-a-date/1762378#1762378
        */
        $.datepicker._base_selectDate = $.datepicker._selectDate;
        $.datepicker._selectDate = function (id, dateStr) {
                var inst = this._getInst($(id)[0]),
                        tp_inst = this._get(inst, 'timepicker'),
                        was_inline;

                if (tp_inst && inst.settings.showTimepicker) {
                        tp_inst._limitMinMaxDateTime(inst, true);
                        was_inline = inst.inline;
                        inst.inline = inst.stay_open = true;
                        //This way the onSelect handler called from calendarpicker get the full dateTime
                        this._base_selectDate(id, dateStr);
                        inst.inline = was_inline;
                        inst.stay_open = false;
                        this._notifyChange(inst);
                        this._updateDatepicker(inst);
                } else {
                        this._base_selectDate(id, dateStr);
                }
        };

        /*
        * second bad hack :/ override datepicker so it triggers an event when changing the input field
        * and does not redraw the datepicker on every selectDate event
        */
        $.datepicker._base_updateDatepicker = $.datepicker._updateDatepicker;
        $.datepicker._updateDatepicker = function (inst) {

                // don't popup the datepicker if there is another instance already opened
                var input = inst.input[0];
                if ($.datepicker._curInst && $.datepicker._curInst !== inst && $.datepicker._datepickerShowing && $.datepicker._lastInput !== input) {
                        return;
                }

                if (typeof(inst.stay_open) !== 'boolean' || inst.stay_open === false) {

                        this._base_updateDatepicker(inst);

                        // Reload the time control when changing something in the input text field.
                        var tp_inst = this._get(inst, 'timepicker');
                        if (tp_inst) {
                                tp_inst._addTimePicker(inst);
                        }
                }
        };

        /*
        * third bad hack :/ override datepicker so it allows spaces and colon in the input field
        */
        $.datepicker._base_doKeyPress = $.datepicker._doKeyPress;
        $.datepicker._doKeyPress = function (event) {
                var inst = $.datepicker._getInst(event.target),
                        tp_inst = $.datepicker._get(inst, 'timepicker');

                if (tp_inst) {
                        if ($.datepicker._get(inst, 'constrainInput')) {
                                var ampm = tp_inst.support.ampm,
                                        tz = tp_inst._defaults.showTimezone !== null ? tp_inst._defaults.showTimezone : tp_inst.support.timezone,
                                        dateChars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat')),
                                        datetimeChars = tp_inst._defaults.timeFormat.toString()
                                                                                        .replace(/[hms]/g, '')
                                                                                        .replace(/TT/g, ampm ? 'APM' : '')
                                                                                        .replace(/Tt/g, ampm ? 'AaPpMm' : '')
                                                                                        .replace(/tT/g, ampm ? 'AaPpMm' : '')
                                                                                        .replace(/T/g, ampm ? 'AP' : '')
                                                                                        .replace(/tt/g, ampm ? 'apm' : '')
                                                                                        .replace(/t/g, ampm ? 'ap' : '') +
                                                                                        " " + tp_inst._defaults.separator +
                                                                                        tp_inst._defaults.timeSuffix +
                                                                                        (tz ? tp_inst._defaults.timezoneList.join('') : '') +
                                                                                        (tp_inst._defaults.amNames.join('')) + (tp_inst._defaults.pmNames.join('')) +
                                                                                        dateChars,
                                        chr = String.fromCharCode(event.charCode === undefined ? event.keyCode : event.charCode);
                                return event.ctrlKey || (chr < ' ' || !dateChars || datetimeChars.indexOf(chr) > -1);
                        }
                }

                return $.datepicker._base_doKeyPress(event);
        };

        /*
        * Fourth bad hack :/ override _updateAlternate function used in inline mode to init altField
        * Update any alternate field to synchronise with the main field.
        */
        $.datepicker._base_updateAlternate = $.datepicker._updateAlternate;
        $.datepicker._updateAlternate = function (inst) {
                var tp_inst = this._get(inst, 'timepicker');
                if (tp_inst) {
                        var altField = tp_inst._defaults.altField;
                        if (altField) { // update alternate field too
                                var altFormat = tp_inst._defaults.altFormat || tp_inst._defaults.dateFormat,
                                        date = this._getDate(inst),
                                        formatCfg = $.datepicker._getFormatConfig(inst),
                                        altFormattedDateTime = '',
                                        altSeparator = tp_inst._defaults.altSeparator ? tp_inst._defaults.altSeparator : tp_inst._defaults.separator,
                                        altTimeSuffix = tp_inst._defaults.altTimeSuffix ? tp_inst._defaults.altTimeSuffix : tp_inst._defaults.timeSuffix,
                                        altTimeFormat = tp_inst._defaults.altTimeFormat !== null ? tp_inst._defaults.altTimeFormat : tp_inst._defaults.timeFormat;

                                altFormattedDateTime += $.datepicker.formatTime(altTimeFormat, tp_inst, tp_inst._defaults) + altTimeSuffix;
                                if (!tp_inst._defaults.timeOnly && !tp_inst._defaults.altFieldTimeOnly && date !== null) {
                                        if (tp_inst._defaults.altFormat) {
                                                altFormattedDateTime = $.datepicker.formatDate(tp_inst._defaults.altFormat, date, formatCfg) + altSeparator + altFormattedDateTime;
                                        }
                                        else {
                                                altFormattedDateTime = tp_inst.formattedDate + altSeparator + altFormattedDateTime;
                                        }
                                }
                                $(altField).val( inst.input.val() ? altFormattedDateTime : "");
                        }
                }
                else {
                        $.datepicker._base_updateAlternate(inst);
                }
        };

        /*
        * Override key up event to sync manual input changes.
        */
        $.datepicker._base_doKeyUp = $.datepicker._doKeyUp;
        $.datepicker._doKeyUp = function (event) {
                var inst = $.datepicker._getInst(event.target),
                        tp_inst = $.datepicker._get(inst, 'timepicker');

                if (tp_inst) {
                        if (tp_inst._defaults.timeOnly && (inst.input.val() !== inst.lastVal)) {
                                try {
                                        $.datepicker._updateDatepicker(inst);
                                } catch (err) {
                                        $.timepicker.log(err);
                                }
                        }
                }

                return $.datepicker._base_doKeyUp(event);
        };

        /*
        * override "Today" button to also grab the time and set it to input field.
        */
        $.datepicker._base_gotoToday = $.datepicker._gotoToday;
        $.datepicker._gotoToday = function (id) {
                var inst = this._getInst($(id)[0]);
                this._base_gotoToday(id);
                var tp_inst = this._get(inst, 'timepicker');
                if (!tp_inst) {
                  return;
                }

                var tzoffset = $.timepicker.timezoneOffsetNumber(tp_inst.timezone);
                var now = new Date();
                now.setMinutes(now.getMinutes() + now.getTimezoneOffset() + parseInt(tzoffset, 10));
                this._setTime(inst, now);
                this._setDate(inst, now);
                tp_inst._onSelectHandler();
        };

        /*
        * Disable & enable the Time in the datetimepicker
        */
        $.datepicker._disableTimepickerDatepicker = function (target) {
                var inst = this._getInst(target);
                if (!inst) {
                        return;
                }

                var tp_inst = this._get(inst, 'timepicker');
                $(target).datepicker('getDate'); // Init selected[Year|Month|Day]
                if (tp_inst) {
                        inst.settings.showTimepicker = false;
                        tp_inst._defaults.showTimepicker = false;
                        tp_inst._updateDateTime(inst);
                }
        };

        $.datepicker._enableTimepickerDatepicker = function (target) {
                var inst = this._getInst(target);
                if (!inst) {
                        return;
                }

                var tp_inst = this._get(inst, 'timepicker');
                $(target).datepicker('getDate'); // Init selected[Year|Month|Day]
                if (tp_inst) {
                        inst.settings.showTimepicker = true;
                        tp_inst._defaults.showTimepicker = true;
                        tp_inst._addTimePicker(inst); // Could be disabled on page load
                        tp_inst._updateDateTime(inst);
                }
        };

        /*
        * Create our own set time function
        */
        $.datepicker._setTime = function (inst, date) {
                var tp_inst = this._get(inst, 'timepicker');
                if (tp_inst) {
                        var defaults = tp_inst._defaults;

                        // calling _setTime with no date sets time to defaults
                        tp_inst.hour = date ? date.getHours() : defaults.hour;
                        tp_inst.minute = date ? date.getMinutes() : defaults.minute;
                        tp_inst.second = date ? date.getSeconds() : defaults.second;
                        tp_inst.millisec = date ? date.getMilliseconds() : defaults.millisec;
                        tp_inst.microsec = date ? date.getMicroseconds() : defaults.microsec;

                        //check if within min/max times..
                        tp_inst._limitMinMaxDateTime(inst, true);

                        tp_inst._onTimeChange();
                        tp_inst._updateDateTime(inst);
                }
        };

        /*
        * Create new public method to set only time, callable as $().datepicker('setTime', date)
        */
        $.datepicker._setTimeDatepicker = function (target, date, withDate) {
                var inst = this._getInst(target);
                if (!inst) {
                        return;
                }

                var tp_inst = this._get(inst, 'timepicker');

                if (tp_inst) {
                        this._setDateFromField(inst);
                        var tp_date;
                        if (date) {
                                if (typeof date === "string") {
                                        tp_inst._parseTime(date, withDate);
                                        tp_date = new Date();
                                        tp_date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second, tp_inst.millisec);
                                        tp_date.setMicroseconds(tp_inst.microsec);
                                } else {
                                        tp_date = new Date(date.getTime());
                                        tp_date.setMicroseconds(date.getMicroseconds());
                                }
                                if (tp_date.toString() === 'Invalid Date') {
                                        tp_date = undefined;
                                }
                                this._setTime(inst, tp_date);
                        }
                }

        };

        /*
        * override setDate() to allow setting time too within Date object
        */
        $.datepicker._base_setDateDatepicker = $.datepicker._setDateDatepicker;
        $.datepicker._setDateDatepicker = function (target, _date) {
                var inst = this._getInst(target);
                var date = _date;
                if (!inst) {
                        return;
                }

                if (typeof(_date) === 'string') {
                        date = new Date(_date);
                        if (!date.getTime()) {
                                this._base_setDateDatepicker.apply(this, arguments);
                                date = $(target).datepicker('getDate');
                        }
                }

                var tp_inst = this._get(inst, 'timepicker');
                var tp_date;
                if (date instanceof Date) {
                        tp_date = new Date(date.getTime());
                        tp_date.setMicroseconds(date.getMicroseconds());
                } else {
                        tp_date = date;
                }

                // This is important if you are using the timezone option, javascript's Date
                // object will only return the timezone offset for the current locale, so we
                // adjust it accordingly.  If not using timezone option this won't matter..
                // If a timezone is different in tp, keep the timezone as is
                if (tp_inst && tp_date) {
                        // look out for DST if tz wasn't specified
                        if (!tp_inst.support.timezone && tp_inst._defaults.timezone === null) {
                                tp_inst.timezone = tp_date.getTimezoneOffset() * -1;
                        }
                        date = $.timepicker.timezoneAdjust(date, $.timepicker.timezoneOffsetString(-date.getTimezoneOffset()), tp_inst.timezone);
                        tp_date = $.timepicker.timezoneAdjust(tp_date, $.timepicker.timezoneOffsetString(-tp_date.getTimezoneOffset()), tp_inst.timezone);
                }

                this._updateDatepicker(inst);
                this._base_setDateDatepicker.apply(this, arguments);
                this._setTimeDatepicker(target, tp_date, true);
        };

        /*
        * override getDate() to allow getting time too within Date object
        */
        $.datepicker._base_getDateDatepicker = $.datepicker._getDateDatepicker;
        $.datepicker._getDateDatepicker = function (target, noDefault) {
                var inst = this._getInst(target);
                if (!inst) {
                        return;
                }

                var tp_inst = this._get(inst, 'timepicker');

                if (tp_inst) {
                        // if it hasn't yet been defined, grab from field
                        if (inst.lastVal === undefined) {
                                this._setDateFromField(inst, noDefault);
                        }

                        var date = this._getDate(inst);

                        var currDT = null;

                        if (tp_inst.$altInput && tp_inst._defaults.altFieldTimeOnly) {
                                currDT = tp_inst.$input.val() + ' ' + tp_inst.$altInput.val();
                        }
                        else if (tp_inst.$input.get(0).tagName !== 'INPUT' && tp_inst.$altInput) {
                                /**
                                 * in case the datetimepicker has been applied to a non-input tag for inline UI,
                                 * and the user has not configured the plugin to display only time in altInput,
                                 * pick current date time from the altInput (and hope for the best, for now, until "ER1" is applied)
                                 *
                                 * @todo ER1. Since altInput can have a totally difference format, convert it to standard format by reading input format from "altFormat" and "altTimeFormat" option values
                                 */
                                currDT = tp_inst.$altInput.val();
                        }
                        else {
                                currDT = tp_inst.$input.val();
                        }

                        if (date && tp_inst._parseTime(currDT, !inst.settings.timeOnly)) {
                                date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second, tp_inst.millisec);
                                date.setMicroseconds(tp_inst.microsec);

                                // This is important if you are using the timezone option, javascript's Date
                                // object will only return the timezone offset for the current locale, so we
                                // adjust it accordingly.  If not using timezone option this won't matter..
                                if (tp_inst.timezone != null) {
                                        // look out for DST if tz wasn't specified
                                        if (!tp_inst.support.timezone && tp_inst._defaults.timezone === null) {
                                                tp_inst.timezone = date.getTimezoneOffset() * -1;
                                        }
                                        date = $.timepicker.timezoneAdjust(date, tp_inst.timezone, $.timepicker.timezoneOffsetString(-date.getTimezoneOffset()));
                                }
                        }
                        return date;
                }
                return this._base_getDateDatepicker(target, noDefault);
        };

        /*
        * override parseDate() because UI 1.8.14 throws an error about "Extra characters"
        * An option in datapicker to ignore extra format characters would be nicer.
        */
        $.datepicker._base_parseDate = $.datepicker.parseDate;
        $.datepicker.parseDate = function (format, value, settings) {
                var date;
                try {
                        date = this._base_parseDate(format, value, settings);
                } catch (err) {
                        // Hack!  The error message ends with a colon, a space, and
                        // the "extra" characters.  We rely on that instead of
                        // attempting to perfectly reproduce the parsing algorithm.
                        if (err.indexOf(":") >= 0) {
                                date = this._base_parseDate(format, value.substring(0, value.length - (err.length - err.indexOf(':') - 2)), settings);
                                $.timepicker.log("Error parsing the date string: " + err + "\ndate string = " + value + "\ndate format = " + format);
                        } else {
                                throw err;
                        }
                }
                return date;
        };

        /*
        * override formatDate to set date with time to the input
        */
        $.datepicker._base_formatDate = $.datepicker._formatDate;
        $.datepicker._formatDate = function (inst, day, month, year) {
                var tp_inst = this._get(inst, 'timepicker');
                if (tp_inst) {
                        tp_inst._updateDateTime(inst);
                        return tp_inst.$input.val();
                }
                return this._base_formatDate(inst);
        };

        /*
        * override options setter to add time to maxDate(Time) and minDate(Time). MaxDate
        */
        $.datepicker._base_optionDatepicker = $.datepicker._optionDatepicker;
        $.datepicker._optionDatepicker = function (target, name, value) {
                var inst = this._getInst(target),
                        name_clone;
                if (!inst) {
                        return null;
                }

                var tp_inst = this._get(inst, 'timepicker');
                if (tp_inst) {
                        var min = null,
                                max = null,
                                onselect = null,
                                overrides = tp_inst._defaults.evnts,
                                fns = {},
                                prop,
                                ret,
                                oldVal,
                                $target;
                        if (typeof name === 'string') { // if min/max was set with the string
                                if (name === 'minDate' || name === 'minDateTime') {
                                        min = value;
                                } else if (name === 'maxDate' || name === 'maxDateTime') {
                                        max = value;
                                } else if (name === 'onSelect') {
                                        onselect = value;
                                } else if (overrides.hasOwnProperty(name)) {
                                        if (typeof (value) === 'undefined') {
                                                return overrides[name];
                                        }
                                        fns[name] = value;
                                        name_clone = {}; //empty results in exiting function after overrides updated
                                }
                        } else if (typeof name === 'object') { //if min/max was set with the JSON
                                if (name.minDate) {
                                        min = name.minDate;
                                } else if (name.minDateTime) {
                                        min = name.minDateTime;
                                } else if (name.maxDate) {
                                        max = name.maxDate;
                                } else if (name.maxDateTime) {
                                        max = name.maxDateTime;
                                }
                                for (prop in overrides) {
                                        if (overrides.hasOwnProperty(prop) && name[prop]) {
                                                fns[prop] = name[prop];
                                        }
                                }
                        }
                        for (prop in fns) {
                                if (fns.hasOwnProperty(prop)) {
                                        overrides[prop] = fns[prop];
                                        if (!name_clone) { name_clone = $.extend({}, name); }
                                        delete name_clone[prop];
                                }
                        }
                        if (name_clone && isEmptyObject(name_clone)) { return; }
                        if (min) { //if min was set
                                if (min === 0) {
                                        min = new Date();
                                } else {
                                        min = new Date(min);
                                }
                                tp_inst._defaults.minDate = min;
                                tp_inst._defaults.minDateTime = min;
                        } else if (max) { //if max was set
                                if (max === 0) {
                                        max = new Date();
                                } else {
                                        max = new Date(max);
                                }
                                tp_inst._defaults.maxDate = max;
                                tp_inst._defaults.maxDateTime = max;
                        } else if (onselect) {
                                tp_inst._defaults.onSelect = onselect;
                        }

                        // Datepicker will override our date when we call _base_optionDatepicker when
                        // calling minDate/maxDate, so we will first grab the value, call
                        // _base_optionDatepicker, then set our value back.
                        if(min || max){
                                $target = $(target);
                                oldVal = $target.datetimepicker('getDate');
                                ret = this._base_optionDatepicker.call($.datepicker, target, name_clone || name, value);
                                $target.datetimepicker('setDate', oldVal);
                                return ret;
                        }
                }
                if (value === undefined) {
                        return this._base_optionDatepicker.call($.datepicker, target, name);
                }
                return this._base_optionDatepicker.call($.datepicker, target, name_clone || name, value);
        };

        /*
        * jQuery isEmptyObject does not check hasOwnProperty - if someone has added to the object prototype,
        * it will return false for all objects
        */
        var isEmptyObject = function (obj) {
                var prop;
                for (prop in obj) {
                        if (obj.hasOwnProperty(prop)) {
                                return false;
                        }
                }
                return true;
        };

        /*
        * jQuery extend now ignores nulls!
        */
        var extendRemove = function (target, props) {
                $.extend(target, props);
                for (var name in props) {
                        if (props[name] === null || props[name] === undefined) {
                                target[name] = props[name];
                        }
                }
                return target;
        };

        /*
        * Determine by the time format which units are supported
        * Returns an object of booleans for each unit
        */
        var detectSupport = function (timeFormat) {
                var tf = timeFormat.replace(/'.*?'/g, '').toLowerCase(), // removes literals
                        isIn = function (f, t) { // does the format contain the token?
                                        return f.indexOf(t) !== -1 ? true : false;
                                };
                return {
                                hour: isIn(tf, 'h'),
                                minute: isIn(tf, 'm'),
                                second: isIn(tf, 's'),
                                millisec: isIn(tf, 'l'),
                                microsec: isIn(tf, 'c'),
                                timezone: isIn(tf, 'z'),
                                ampm: isIn(tf, 't') && isIn(timeFormat, 'h'),
                                iso8601: isIn(timeFormat, 'Z')
                        };
        };

        /*
        * Converts 24 hour format into 12 hour
        * Returns 12 hour without leading 0
        */
        var convert24to12 = function (hour) {
                hour %= 12;

                if (hour === 0) {
                        hour = 12;
                }

                return String(hour);
        };

        var computeEffectiveSetting = function (settings, property) {
                return settings && settings[property] ? settings[property] : $.timepicker._defaults[property];
        };

        /*
        * Splits datetime string into date and time substrings.
        * Throws exception when date can't be parsed
        * Returns {dateString: dateString, timeString: timeString}
        */
        var splitDateTime = function (dateTimeString, timeSettings) {
                // The idea is to get the number separator occurrences in datetime and the time format requested (since time has
                // fewer unknowns, mostly numbers and am/pm). We will use the time pattern to split.
                var separator = computeEffectiveSetting(timeSettings, 'separator'),
                        format = computeEffectiveSetting(timeSettings, 'timeFormat'),
                        timeParts = format.split(separator), // how many occurrences of separator may be in our format?
                        timePartsLen = timeParts.length,
                        allParts = dateTimeString.split(separator),
                        allPartsLen = allParts.length;

                if (allPartsLen > 1) {
                        return {
                                dateString: allParts.splice(0, allPartsLen - timePartsLen).join(separator),
                                timeString: allParts.splice(0, timePartsLen).join(separator)
                        };
                }

                return {
                        dateString: dateTimeString,
                        timeString: ''
                };
        };

        /*
        * Internal function to parse datetime interval
        * Returns: {date: Date, timeObj: Object}, where
        *   date - parsed date without time (type Date)
        *   timeObj = {hour: , minute: , second: , millisec: , microsec: } - parsed time. Optional
        */
        var parseDateTimeInternal = function (dateFormat, timeFormat, dateTimeString, dateSettings, timeSettings) {
                var date,
                        parts,
                        parsedTime;

                parts = splitDateTime(dateTimeString, timeSettings);
                date = $.datepicker._base_parseDate(dateFormat, parts.dateString, dateSettings);

                if (parts.timeString === '') {
                        return {
                                date: date
                        };
                }

                parsedTime = $.datepicker.parseTime(timeFormat, parts.timeString, timeSettings);

                if (!parsedTime) {
                        throw 'Wrong time format';
                }

                return {
                        date: date,
                        timeObj: parsedTime
                };
        };

        /*
        * Internal function to set timezone_select to the local timezone
        */
        var selectLocalTimezone = function (tp_inst, date) {
                if (tp_inst && tp_inst.timezone_select) {
                        var now = date || new Date();
                        tp_inst.timezone_select.val(-now.getTimezoneOffset());
                }
        };

        /*
        * Create a Singleton Instance
        */
        $.timepicker = new Timepicker();

        /**
         * Get the timezone offset as string from a date object (eg '+0530' for UTC+5.5)
         * @param {number} tzMinutes if not a number, less than -720 (-1200), or greater than 840 (+1400) this value is returned
         * @param {boolean} iso8601 if true formats in accordance to iso8601 "+12:45"
         * @return {string}
         */
        $.timepicker.timezoneOffsetString = function (tzMinutes, iso8601) {
                if (isNaN(tzMinutes) || tzMinutes > 840 || tzMinutes < -720) {
                        return tzMinutes;
                }

                var off = tzMinutes,
                        minutes = off % 60,
                        hours = (off - minutes) / 60,
                        iso = iso8601 ? ':' : '',
                        tz = (off >= 0 ? '+' : '-') + ('0' + Math.abs(hours)).slice(-2) + iso + ('0' + Math.abs(minutes)).slice(-2);

                if (tz === '+00:00') {
                        return 'Z';
                }
                return tz;
        };

        /**
         * Get the number in minutes that represents a timezone string
         * @param  {string} tzString formatted like "+0500", "-1245", "Z"
         * @return {number} the offset minutes or the original string if it doesn't match expectations
         */
        $.timepicker.timezoneOffsetNumber = function (tzString) {
                var normalized = tzString.toString().replace(':', ''); // excuse any iso8601, end up with "+1245"

                if (normalized.toUpperCase() === 'Z') { // if iso8601 with Z, its 0 minute offset
                        return 0;
                }

                if (!/^(\-|\+)\d{4}$/.test(normalized)) { // possibly a user defined tz, so just give it back
                        return parseInt(tzString, 10);
                }

                return ((normalized.substr(0, 1) === '-' ? -1 : 1) * // plus or minus
                                        ((parseInt(normalized.substr(1, 2), 10) * 60) + // hours (converted to minutes)
                                        parseInt(normalized.substr(3, 2), 10))); // minutes
        };

        /**
         * No way to set timezone in js Date, so we must adjust the minutes to compensate. (think setDate, getDate)
         * @param  {Date} date
         * @param  {string} fromTimezone formatted like "+0500", "-1245"
         * @param  {string} toTimezone formatted like "+0500", "-1245"
         * @return {Date}
         */
        $.timepicker.timezoneAdjust = function (date, fromTimezone, toTimezone) {
                var fromTz = $.timepicker.timezoneOffsetNumber(fromTimezone);
                var toTz = $.timepicker.timezoneOffsetNumber(toTimezone);
                if (!isNaN(toTz)) {
                        date.setMinutes(date.getMinutes() + (-fromTz) - (-toTz));
                }
                return date;
        };

        /**
         * Calls `timepicker()` on the `startTime` and `endTime` elements, and configures them to
         * enforce date range limits.
         * n.b. The input value must be correctly formatted (reformatting is not supported)
         * @param  {Element} startTime
         * @param  {Element} endTime
         * @param  {Object} options Options for the timepicker() call
         * @return {jQuery}
         */
        $.timepicker.timeRange = function (startTime, endTime, options) {
                return $.timepicker.handleRange('timepicker', startTime, endTime, options);
        };

        /**
         * Calls `datetimepicker` on the `startTime` and `endTime` elements, and configures them to
         * enforce date range limits.
         * @param  {Element} startTime
         * @param  {Element} endTime
         * @param  {Object} options Options for the `timepicker()` call. Also supports `reformat`,
         *   a boolean value that can be used to reformat the input values to the `dateFormat`.
         * @param  {string} method Can be used to specify the type of picker to be added
         * @return {jQuery}
         */
        $.timepicker.datetimeRange = function (startTime, endTime, options) {
                $.timepicker.handleRange('datetimepicker', startTime, endTime, options);
        };

        /**
         * Calls `datepicker` on the `startTime` and `endTime` elements, and configures them to
         * enforce date range limits.
         * @param  {Element} startTime
         * @param  {Element} endTime
         * @param  {Object} options Options for the `timepicker()` call. Also supports `reformat`,
         *   a boolean value that can be used to reformat the input values to the `dateFormat`.
         * @return {jQuery}
         */
        $.timepicker.dateRange = function (startTime, endTime, options) {
                $.timepicker.handleRange('datepicker', startTime, endTime, options);
        };

        /**
         * Calls `method` on the `startTime` and `endTime` elements, and configures them to
         * enforce date range limits.
         * @param  {string} method Can be used to specify the type of picker to be added
         * @param  {Element} startTime
         * @param  {Element} endTime
         * @param  {Object} options Options for the `timepicker()` call. Also supports `reformat`,
         *   a boolean value that can be used to reformat the input values to the `dateFormat`.
         * @return {jQuery}
         */
        $.timepicker.handleRange = function (method, startTime, endTime, options) {
                options = $.extend({}, {
                        minInterval: 0, // min allowed interval in milliseconds
                        maxInterval: 0, // max allowed interval in milliseconds
                        start: {},      // options for start picker
                        end: {}         // options for end picker
                }, options);

                // for the mean time this fixes an issue with calling getDate with timepicker()
                var timeOnly = false;
                if(method === 'timepicker'){
                        timeOnly = true;
                        method = 'datetimepicker';
                }

                function checkDates(changed, other) {
                        var startdt = startTime[method]('getDate'),
                                enddt = endTime[method]('getDate'),
                                changeddt = changed[method]('getDate');

                        if (startdt !== null) {
                                var minDate = new Date(startdt.getTime()),
                                        maxDate = new Date(startdt.getTime());

                                minDate.setMilliseconds(minDate.getMilliseconds() + options.minInterval);
                                maxDate.setMilliseconds(maxDate.getMilliseconds() + options.maxInterval);

                                if (options.minInterval > 0 && minDate > enddt) { // minInterval check
                                        endTime[method]('setDate', minDate);
                                }
                                else if (options.maxInterval > 0 && maxDate < enddt) { // max interval check
                                        endTime[method]('setDate', maxDate);
                                }
                                else if (startdt > enddt) {
                                        other[method]('setDate', changeddt);
                                }
                        }
                }

                function selected(changed, other, option) {
                        if (!changed.val()) {
                                return;
                        }
                        var date = changed[method].call(changed, 'getDate');
                        if (date !== null && options.minInterval > 0) {
                                if (option === 'minDate') {
                                        date.setMilliseconds(date.getMilliseconds() + options.minInterval);
                                }
                                if (option === 'maxDate') {
                                        date.setMilliseconds(date.getMilliseconds() - options.minInterval);
                                }
                        }

                        if (date.getTime) {
                                other[method].call(other, 'option', option, date);
                        }
                }

                $.fn[method].call(startTime, $.extend({
                        timeOnly: timeOnly,
                        onClose: function (dateText, inst) {
                                checkDates($(this), endTime);
                        },
                        onSelect: function (selectedDateTime) {
                                selected($(this), endTime, 'minDate');
                        }
                }, options, options.start));
                $.fn[method].call(endTime, $.extend({
                        timeOnly: timeOnly,
                        onClose: function (dateText, inst) {
                                checkDates($(this), startTime);
                        },
                        onSelect: function (selectedDateTime) {
                                selected($(this), startTime, 'maxDate');
                        }
                }, options, options.end));

                checkDates(startTime, endTime);

                selected(startTime, endTime, 'minDate');
                selected(endTime, startTime, 'maxDate');

                return $([startTime.get(0), endTime.get(0)]);
        };

        /**
         * Log error or data to the console during error or debugging
         * @param  {Object} err pass any type object to log to the console during error or debugging
         * @return {void}
         */
        $.timepicker.log = function () {
                // Older IE (9, maybe 10) throw error on accessing `window.console.log.apply`, so check first.
                if (window.console && window.console.log && window.console.log.apply) {
                        window.console.log.apply(window.console, Array.prototype.slice.call(arguments));
                }
        };

        /*
         * Add util object to allow access to private methods for testability.
         */
        $.timepicker._util = {
                _extendRemove: extendRemove,
                _isEmptyObject: isEmptyObject,
                _convert24to12: convert24to12,
                _detectSupport: detectSupport,
                _selectLocalTimezone: selectLocalTimezone,
                _computeEffectiveSetting: computeEffectiveSetting,
                _splitDateTime: splitDateTime,
                _parseDateTimeInternal: parseDateTimeInternal
        };

        /*
        * Microsecond support
        */
        if (!Date.prototype.getMicroseconds) {
                Date.prototype.microseconds = 0;
                Date.prototype.getMicroseconds = function () { return this.microseconds; };
                Date.prototype.setMicroseconds = function (m) {
                        this.setMilliseconds(this.getMilliseconds() + Math.floor(m / 1000));
                        this.microseconds = m % 1000;
                        return this;
                };
        }

        /*
        * Keep up with the version
        */
        $.timepicker.version = "1.6.3";

}));