/* Modification and added functioanlities 

- all relation to other pickers on the page, including offset are placed in separate js file (DatePickersMediator.js)
- _refreshCustomStyles - provides adding own styles.
    custom style selector name is bind to picker as 'customClass' field. 
    DatePickersMediator.js naming convention must be retained ("ucDatePicker" + number) 
*/

(function($) {
    $.extend($.ui, {
        datepicker: {
            version: "1.8.1"
        }
    });
    var PROP_NAME = 'datepicker';
    var dpuuid = new Date().getTime();

    function Datepicker() {
        this.debug = false;
        this._curInst = null;
        this._keyEvent = false;
        this._disabledInputs = [];
        this._datepickerShowing = false;
        this._inDialog = false;
        this._mainDivId = 'ui-datepicker-div';
        this._inlineClass = 'ui-datepicker-inline';
        this._appendClass = 'ui-datepicker-append';
        this._triggerClass = 'ui-datepicker-trigger';
        this._dialogClass = 'ui-datepicker-dialog';
        this._disableClass = 'ui-datepicker-disabled';
        this._unselectableClass = 'ui-datepicker-unselectable';
        this._currentClass = 'ui-datepicker-current-day';
        this._dayOverClass = 'ui-datepicker-days-cell-over';
        this.regional = [];
        this.regional[''] = {
            closeText: 'Done',
            prevText: 'Prev',
            nextText: 'Next',
            currentText: 'Today',
            monthNames: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
            monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
            dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
            dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
            dayNamesMin: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa'],
            weekHeader: 'Wk',
            dateFormat: '',
            firstDay: 0,
            isRTL: false,
            showMonthAfterYear: false,
            yearSuffix: ''
        };
        this._defaults = {
            showOn: 'focus',
            showAnim: 'show',
            showOptions: {}, defaultDate: null,
            appendText: '',
            buttonText: '...',
            buttonImage: '',
            buttonImageOnly: false,
            hideIfNoPrevNext: false,
            navigationAsDateFormat: false,
            gotoCurrent: false,
            changeMonth: false,
            changeYear: false,
            yearRange: 'c-10:c+10',
            showOtherMonths: false,
            selectOtherMonths: false,
            showWeek: false,
            calculateWeek: this.iso8601Week,
            shortYearCutoff: '+10',
            minDate: null,
            maxDate: null,
            duration: '_default',
            beforeShowDay: null,
            beforeShow: null,
            onSelect: null,
            onChangeMonthYear: null,
            onClose: null,
            numberOfMonths: 1,
            showCurrentAtPos: 0,
            stepMonths: 1,
            stepBigMonths: 12,
            altField: '',
            altFormat: '',
            constrainInput: true,
            showButtonPanel: false,
            autoSize: false,
            customClass: ''
        };
        $.extend(this._defaults, this.regional['']);
        this.dpDiv = $('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all ui-helper-hidden-accessible"></div>')
    }
    $.extend(Datepicker.prototype, {
        log: function() {
            if (this.debug) console.log.apply('', arguments)
        }, _widgetDatepicker: function() {
            return this.dpDiv
        }, setDefaults: function(settings) {
            extendRemove(this._defaults, settings || {});
            return this
        }, _attachDatepicker: function(target, settings) {
            var inlineSettings = null;
            for (var attrName in this._defaults) {
                var attrValue = target.getAttribute('date:' + attrName);
                if (attrValue) {
                    inlineSettings = inlineSettings || {};
                    try {
                        inlineSettings[attrName] = eval(attrValue)
                    } catch (err) {
                        inlineSettings[attrName] = attrValue
                    }
                }
            }
            var nodeName = target.nodeName.toLowerCase();
            var inline = (nodeName == 'div' || nodeName == 'span');
            if (!target.id) target.id = 'dp' + (++this.uuid);
            var inst = this._newInst($(target), inline);
            inst.settings = $.extend({}, settings || {}, inlineSettings || {});
            if (nodeName == 'input') {
                this._connectDatepicker(target, inst)
            } else if (inline) {
                this._inlineDatepicker(target, inst)
            }
            this.setDefaults(this.regional[settings.regional]);
        }, _newInst: function(target, inline) {
            var id = target[0].id.replace(/([^A-Za-z0-9_])/g, '\\\\$1');
            return {
                id: id,
                input: target,
                selectedDay: 0,
                selectedMonth: 0,
                selectedYear: 0,
                drawMonth: 0,
                drawYear: 0,
                inline: inline,
                dpDiv: (!inline ? this.dpDiv : $('<div class="' + this._inlineClass + ' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>'))
            }
        }, _connectDatepicker: function(target, inst) {
            var input = $(target);
            inst.append = $([]);
            inst.trigger = $([]);
            if (input.hasClass(this.markerClassName)) return;
            this._attachments(input, inst);
            input.addClass(this.markerClassName).keydown(this._doKeyDown).keypress(this._doKeyPress).keyup(this._doKeyUp).bind("setData.datepicker", function(event, key, value) {
                inst.settings[key] = value
            }).bind("getData.datepicker", function(event, key) {
                return this._get(inst, key)
            });
            this._autoSize(inst);
            $.data(target, PROP_NAME, inst)
        }, _attachments: function(input, inst) {
            var appendText = this._get(inst, 'appendText');
            var isRTL = this._get(inst, 'isRTL');
            if (inst.append) inst.append.remove();
            if (appendText) {
                inst.append = $('<span class="' + this._appendClass + '">' + appendText + '</span>');
                input[isRTL ? 'before' : 'after'](inst.append)
            }
            input.unbind('focus', this._showDatepicker);
            if (inst.trigger) inst.trigger.remove();
            var showOn = this._get(inst, 'showOn');
            if (showOn == 'focus' || showOn == 'both') input.focus(this._showDatepicker);
            if (showOn == 'button' || showOn == 'both') {
                var buttonText = this._get(inst, 'buttonText');
                var buttonImage = this._get(inst, 'buttonImage');
                inst.trigger = $(this._get(inst, 'buttonImageOnly') ? $('<img/>').addClass(this._triggerClass).attr({
                    src: buttonImage,
                    alt: buttonText,
                    title: buttonText
                }) : $('<button type="button"></button>').addClass(this._triggerClass).html(buttonImage == '' ? buttonText : $('<img/>').attr({
                    src: buttonImage,
                    alt: buttonText,
                    title: buttonText
                })));
                input[isRTL ? 'before' : 'after'](inst.trigger);
                inst.trigger.click(function() {
                    if ($.datepicker._datepickerShowing && $.datepicker._lastInput == input[0]) $.datepicker._hideDatepicker();
                    else $.datepicker._showDatepicker(input[0]);
                    return false
                })
            }
        }, _autoSize: function(inst) {
            if (this._get(inst, 'autoSize') && !inst.inline) {
                var date = new Date(2009, 12 - 1, 20);
                var dateFormat = this._get(inst, 'dateFormat');
                if (dateFormat.match(/[DM]/)) {
                    var findMax = function(names) {
                        var max = 0;
                        var maxI = 0;
                        for (var i = 0; i < names.length; i++) {
                            if (names[i].length > max) {
                                max = names[i].length;
                                maxI = i
                            }
                        }
                        return maxI
                    };
                    date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ? 'monthNames' : 'monthNamesShort'))));
                    date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ? 'dayNames' : 'dayNamesShort'))) + 20 - date.getDay())
                }
                inst.input.attr('size', this._formatDate(inst, date).length)
            }
        }, _inlineDatepicker: function(target, inst) {
            var divSpan = $(target);
            if (divSpan.hasClass(this.markerClassName)) return;
            divSpan.addClass(this.markerClassName).append(inst.dpDiv).bind("setData.datepicker", function(event, key, value) {
                inst.settings[key] = value
            }).bind("getData.datepicker", function(event, key) {
                return this._get(inst, key)
            });
            $.data(target, PROP_NAME, inst);
            this._setDate(inst, this._getDefaultDate(inst), true);
            this._updateDatepicker(inst);
            this._updateAlternate(inst)
        }, _dialogDatepicker: function(input, date, onSelect, settings, pos) {
            var inst = this._dialogInst;
            if (!inst) {
                var id = 'dp' + (++this.uuid);
                this._dialogInput = $('<input type="text" id="' + id + '" style="position: absolute; top: -100px; width: 0px; z-index: -10;"/>');
                this._dialogInput.keydown(this._doKeyDown);
                $('body').append(this._dialogInput);
                inst = this._dialogInst = this._newInst(this._dialogInput, false);
                inst.settings = {};
                $.data(this._dialogInput[0], PROP_NAME, inst)
            }
            extendRemove(inst.settings, settings || {});
            date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
            this._dialogInput.val(date);
            this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
            if (!this._pos) {
                var browserWidth = document.documentElement.clientWidth;
                var browserHeight = document.documentElement.clientHeight;
                var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
                var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
                this._pos = [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY]
            }
            this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
            inst.settings.onSelect = onSelect;
            this._inDialog = true;
            this.dpDiv.addClass(this._dialogClass);
            this._showDatepicker(this._dialogInput[0]);
            if ($.blockUI) $.blockUI(this.dpDiv);
            $.data(this._dialogInput[0], PROP_NAME, inst);
            return this
        }, _destroyDatepicker: function(target) {
            var $target = $(target);
            var inst = $.data(target, PROP_NAME);
            if (!$target.hasClass(this.markerClassName)) {
                return
            }
            var nodeName = target.nodeName.toLowerCase();
            $.removeData(target, PROP_NAME);
            if (nodeName == 'input') {
                inst.append.remove();
                inst.trigger.remove();
                $target.removeClass(this.markerClassName).unbind('focus', this._showDatepicker).unbind('keydown', this._doKeyDown).unbind('keypress', this._doKeyPress).unbind('keyup', this._doKeyUp)
            } else if (nodeName == 'div' || nodeName == 'span') $target.removeClass(this.markerClassName).empty()
        }, _enableDatepicker: function(target) {
            var $target = $(target);
            var inst = $.data(target, PROP_NAME);
            if (!$target.hasClass(this.markerClassName)) {
                return
            }
            var nodeName = target.nodeName.toLowerCase();
            if (nodeName == 'input') {
                target.disabled = false;
                inst.trigger.filter('button').each(function() {
                    this.disabled = false
                }).end().filter('img').css({
                    opacity: '1.0',
                    cursor: ''
                })
            } else if (nodeName == 'div' || nodeName == 'span') {
                var inline = $target.children('.' + this._inlineClass);
                inline.children().removeClass('ui-state-disabled')
            }
            this._disabledInputs = $.map(this._disabledInputs, function(value) {
                return (value == target ? null : value)
            })
        }, _disableDatepicker: function(target) {
            var $target = $(target);
            var inst = $.data(target, PROP_NAME);
            if (!$target.hasClass(this.markerClassName)) {
                return
            }
            var nodeName = target.nodeName.toLowerCase();
            if (nodeName == 'input') {
                target.disabled = true;
                inst.trigger.filter('button').each(function() {
                    this.disabled = true
                }).end().filter('img').css({
                    opacity: '0.5',
                    cursor: 'default'
                })
            } else if (nodeName == 'div' || nodeName == 'span') {
                var inline = $target.children('.' + this._inlineClass);
                inline.children().addClass('ui-state-disabled')
            }
            this._disabledInputs = $.map(this._disabledInputs, function(value) {
                return (value == target ? null : value)
            });
            this._disabledInputs[this._disabledInputs.length] = target
        }, _isDisabledDatepicker: function(target) {
            if (!target) {
                return false
            }
            for (var i = 0; i < this._disabledInputs.length; i++) {
                if (this._disabledInputs[i] == target) return true
            }
            return false
        }, _getInst: function(target) {
            try {
                return $.data(target, PROP_NAME)
            } catch (err) {
                throw 'Missing instance data for this datepicker';
            }
        }, _optionDatepicker: function(target, name, value) {
            var inst = this._getInst(target);
            if (arguments.length == 2 && typeof name == 'string') {
                return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) : (inst ? (name == 'all' ? $.extend({}, inst.settings) : this._get(inst, name)) : null))
            }
            var settings = name || {};
            if (typeof name == 'string') {
                settings = {};
                settings[name] = value
            }
            if (inst) {
                if (this._curInst == inst) {
                    this._hideDatepicker()
                }
                var date = this._getDateDatepicker(target, true);
                extendRemove(inst.settings, settings);
                this.setDefaults(this.regional[inst.settings.regional]);
                this._attachments($(target), inst);
                this._autoSize(inst);
                if (date != null) {
                    this._setDateDatepicker(target, date);
                }
                this._updateDatepicker(inst)
            }
        }, _changeDatepicker: function(target, name, value) {
            this._optionDatepicker(target, name, value)
        }, _refreshDatepicker: function(target) {
            var inst = this._getInst(target);
            if (inst) {
                this._updateDatepicker(inst)
            }
        }, _setDateDatepicker: function(target, date) {
            var inst = this._getInst(target);
            if (inst) {
                this._setDate(inst, date);
                this._updateDatepicker(inst);
                this._updateAlternate(inst)
            }
        }, _getDateDatepicker: function(target, noDefault) {
            var inst = this._getInst(target);
            if (inst && !inst.inline) this._setDateFromField(inst, noDefault);
            return (inst ? this._getDate(inst) : null)
        }, _doKeyDown: function(event) {
            var inst = $.datepicker._getInst(event.target);
            var handled = true;
            var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
            inst._keyEvent = true;
            if ($.datepicker._datepickerShowing) switch (event.keyCode) {
                case 9:
                    $.datepicker._hideDatepicker();
                    handled = false;
                    break;
                case 13:
                    var sel = $('td.' + $.datepicker._dayOverClass, inst.dpDiv).add($('td.' + $.datepicker._currentClass, inst.dpDiv));
                    if (sel[0]) $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
                    else $.datepicker._hideDatepicker();
                    return false;
                    break;
                case 27:
                    $.datepicker._hideDatepicker();
                    break;
                case 33:
                    $.datepicker._adjustDate(event.target, (event.ctrlKey ? -$.datepicker._get(inst, 'stepBigMonths') : -$.datepicker._get(inst, 'stepMonths')), 'M');
                    break;
                case 34:
                    $.datepicker._adjustDate(event.target, (event.ctrlKey ? +$.datepicker._get(inst, 'stepBigMonths') : +$.datepicker._get(inst, 'stepMonths')), 'M');
                    break;
                case 35:
                    if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
                    handled = event.ctrlKey || event.metaKey;
                    break;
                case 36:
                    if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
                    handled = event.ctrlKey || event.metaKey;
                    break;
                case 37:
                    if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
                    handled = event.ctrlKey || event.metaKey;
                    if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ? -$.datepicker._get(inst, 'stepBigMonths') : -$.datepicker._get(inst, 'stepMonths')), 'M');
                    break;
                case 38:
                    if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
                    handled = event.ctrlKey || event.metaKey;
                    break;
                case 39:
                    if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
                    handled = event.ctrlKey || event.metaKey;
                    if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ? +$.datepicker._get(inst, 'stepBigMonths') : +$.datepicker._get(inst, 'stepMonths')), 'M');
                    break;
                case 40:
                    if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
                    handled = event.ctrlKey || event.metaKey;
                    break;
                default:
                    handled = false
            } else if (event.keyCode == 36 && event.ctrlKey) $.datepicker._showDatepicker(this);
            else {
                handled = false
            }
            if (handled) {
                event.preventDefault();
                event.stopPropagation()
            }
        }, _doKeyPress: function(event) {
            var inst = $.datepicker._getInst(event.target);
            if ($.datepicker._get(inst, 'constrainInput')) {
                var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
                var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
                return event.ctrlKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1)
            }
        }, _doKeyUp: function(event) {
            var inst = $.datepicker._getInst(event.target);
            if (inst.input.val() != inst.lastVal) {
                try {
                    var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'), (inst.input ? inst.input.val() : null), $.datepicker._getFormatConfig(inst));
                    if (date) {
                        $.datepicker._setDateFromField(inst);
                        $.datepicker._updateAlternate(inst);
                        $.datepicker._updateDatepicker(inst)
                    }
                } catch (event) {
                    $.datepicker.log(event)
                }
            }
            return true
        }, _showDatepicker: function(input) {
            input = input.target || input;
            if (input.nodeName.toLowerCase() != 'input') input = $('input', input.parentNode)[0];
            if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) return;
            var inst = $.datepicker._getInst(input);
            if ($.datepicker._curInst && $.datepicker._curInst != inst) {
                $.datepicker._curInst.dpDiv.stop(true, true)
            }
            var beforeShow = $.datepicker._get(inst, 'beforeShow');
            extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
            inst.lastVal = null;
            $.datepicker._lastInput = input;
            $.datepicker._setDateFromField(inst);
            if ($.datepicker._inDialog) input.value = '';
            if (!$.datepicker._pos) {
                $.datepicker._pos = $.datepicker._findPos(input);
                $.datepicker._pos[1] += input.offsetHeight
            }
            var isFixed = false;
            $(input).parents().each(function() {
                isFixed |= $(this).css('position') == 'fixed';
                return !isFixed
            });
            if (isFixed && $.browser.opera) {
                $.datepicker._pos[0] -= document.documentElement.scrollLeft;
                $.datepicker._pos[1] -= document.documentElement.scrollTop
            }
            var offset = {
                left: $.datepicker._pos[0],
                top: $.datepicker._pos[1]
            };
            $.datepicker._pos = null;
            inst.dpDiv.css({
                position: 'absolute',
                display: 'block',
                top: '-1000px'
            });
            $.datepicker._updateDatepicker(inst);

            offset = $.datepicker._checkOffset(inst, offset, isFixed);
            inst.dpDiv.css({
                position: ($.datepicker._inDialog && $.blockUI ? 'static' : (isFixed ? 'fixed' : 'absolute')),
                display: 'none',
                left: offset.left + 'px',
                top: offset.top + 'px'
            });

            $.datepicker._curInst = inst;
            $.datepicker._refreshCustomStyles(inst);

            if (!inst.inline) {
                var showAnim = $.datepicker._get(inst, 'showAnim');
                var duration = $.datepicker._get(inst, 'duration');
                var postProcess = function() {
                    $.datepicker._datepickerShowing = true;
                    var borders = $.datepicker._getBorders(inst.dpDiv);
                    inst.dpDiv.find('iframe.ui-datepicker-cover').css({
                        left: -borders[0],
                        top: -borders[1],
                        width: inst.dpDiv.outerWidth(),
                        height: inst.dpDiv.outerHeight()
                    })
                };
                inst.dpDiv.zIndex($(input).zIndex() + 1);
                if ($.effects && $.effects[showAnim]) inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
                else inst.dpDiv[showAnim || 'show']((showAnim ? duration : null), postProcess);
                if (!showAnim || !duration) postProcess();
                if (inst.input.is(':visible') && !inst.input.is(':disabled')) inst.input.focus();
            }
        },

        _refreshCustomStyles: function(inst) {
            var customClass = this._get(inst, 'customClass');
            if (customClass != '') {
                var allPickerClasses = $(this.dpDiv).attr('class').split(' ');
                var onlyCustomClasses = new Array();

                $.each(allPickerClasses, function(i, value) {
                    if (value.indexOf("ucDatePicker") >= 0)
                        onlyCustomClasses.push(value);
                });

                $(this.dpDiv).removeClass(onlyCustomClasses).addClass(customClass);
            }
        },

        _updateDatepicker: function(inst) {
            var self = this;
            var borders = $.datepicker._getBorders(inst.dpDiv);
            inst.dpDiv.empty().append(this._generateHTML(inst)).find('iframe.ui-datepicker-cover').css({
                left: -borders[0],
                top: -borders[1],
                width: inst.dpDiv.outerWidth(),
                height: inst.dpDiv.outerHeight()
            }).end().find('button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a').bind('mouseout', function() {
                $(this).removeClass('ui-state-hover');
                if (this.className.indexOf('ui-datepicker-prev') != -1) $(this).removeClass('ui-datepicker-prev-hover');
                if (this.className.indexOf('ui-datepicker-next') != -1) $(this).removeClass('ui-datepicker-next-hover')
            }).bind('mouseover', function() {
                if (!self._isDisabledDatepicker(inst.inline ? inst.dpDiv.parent()[0] : inst.input[0])) {
                    $(this).parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
                    $(this).addClass('ui-state-hover');
                    if (this.className.indexOf('ui-datepicker-prev') != -1) $(this).addClass('ui-datepicker-prev-hover');
                    if (this.className.indexOf('ui-datepicker-next') != -1) $(this).addClass('ui-datepicker-next-hover')
                }
            }).end().find('.' + this._dayOverClass + ' a').trigger('mouseover').end();
            var numMonths = this._getNumberOfMonths(inst);
            var cols = numMonths[1];
            var width = 17;
            if (cols > 1) inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
            else inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
            inst.dpDiv[(numMonths[0] != 1 || numMonths[1] != 1 ? 'add' : 'remove') + 'Class']('ui-datepicker-multi');
            inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') + 'Class']('ui-datepicker-rtl');
            if (inst == $.datepicker._curInst && $.datepicker._datepickerShowing && inst.input && inst.input.is(':visible') && !inst.input.is(':disabled')) inst.input.focus()
        }, _getBorders: function(elem) {
            var convert = function(value) {
                return {
                    thin: 1,
                    medium: 2,
                    thick: 3
}[value] || value
                };
                return [parseFloat(convert(elem.css('border-left-width'))), parseFloat(convert(elem.css('border-top-width')))]
            }, _checkOffset: function(inst, offset, isFixed) {
                var dpWidth = inst.dpDiv.outerWidth();
                var dpHeight = inst.dpDiv.outerHeight();
                var inputWidth = inst.input ? inst.input.outerWidth() : 0;
                var inputHeight = inst.input ? inst.input.outerHeight() : 0;
                var viewWidth = document.documentElement.clientWidth + $(document).scrollLeft();
                var viewHeight = document.documentElement.clientHeight + $(document).scrollTop();
                offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
                offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
                offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
                offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ? Math.abs(offset.left + dpWidth - viewWidth) : 0);
                offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ? Math.abs(dpHeight + inputHeight) : 0);
                return offset
            }, _findPos: function(obj) {
                var inst = this._getInst(obj);
                var isRTL = this._get(inst, 'isRTL');
                while (obj && (obj.type == 'hidden' || obj.nodeType != 1)) {
                    obj = obj[isRTL ? 'previousSibling' : 'nextSibling']
                }
                var position = $(obj).offset();
                return [position.left, position.top]
            }, _hideDatepicker: function(input) {
                var inst = this._curInst;
                if (!inst || (input && inst != $.data(input, PROP_NAME))) return;
                if (this._datepickerShowing) {
                    var showAnim = this._get(inst, 'showAnim');
                    var duration = this._get(inst, 'duration');
                    var postProcess = function() {
                        $.datepicker._tidyDialog(inst);
                        this._curInst = null
                    };
                    if ($.effects && $.effects[showAnim]) inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
                    else inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' : (showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
                    if (!showAnim) postProcess();
                    var onClose = this._get(inst, 'onClose');
                    if (onClose) onClose.apply((inst.input ? inst.input[0] : null), [(inst.input ? inst.input.val() : ''), inst]);
                    this._datepickerShowing = false;
                    this._lastInput = null;
                    if (this._inDialog) {
                        this._dialogInput.css({
                            position: 'absolute',
                            left: '0',
                            top: '-100px'
                        });
                        if ($.blockUI) {
                            $.unblockUI();
                            $('body').append(this.dpDiv)
                        }
                    }
                    this._inDialog = false
                }
            }, _tidyDialog: function(inst) {
                inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar')
            }, _checkExternalClick: function(event) {
                if (!$.datepicker._curInst) return;
                var $target = $(event.target);
                if ($target[0].id != $.datepicker._mainDivId && $target.parents('#' + $.datepicker._mainDivId).length == 0 && !$target.hasClass($.datepicker.markerClassName) && !$target.hasClass($.datepicker._triggerClass) && $.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI)) $.datepicker._hideDatepicker()
            }, _adjustDate: function(id, offset, period) {
                var target = $(id);
                var inst = this._getInst(target[0]);
                if (this._isDisabledDatepicker(target[0])) {
                    return
                }
                this._adjustInstDate(inst, offset + (period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), period);
                this._updateDatepicker(inst)
            }, _gotoToday: function(id) {
                var target = $(id);
                var inst = this._getInst(target[0]);
                if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
                    inst.selectedDay = inst.currentDay;
                    inst.drawMonth = inst.selectedMonth = inst.currentMonth;
                    inst.drawYear = inst.selectedYear = inst.currentYear
                } else {
                    var date = new Date();
                    inst.selectedDay = date.getDate();
                    inst.drawMonth = inst.selectedMonth = date.getMonth();
                    inst.drawYear = inst.selectedYear = date.getFullYear()
                }
                this._notifyChange(inst);
                this._adjustDate(target)
            }, _selectMonthYear: function(id, select, period) {
                var target = $(id);
                var inst = this._getInst(target[0]);
                inst._selectingMonthYear = false;
                inst['selected' + (period == 'M' ? 'Month' : 'Year')] = inst['draw' + (period == 'M' ? 'Month' : 'Year')] = parseInt(select.options[select.selectedIndex].value, 10);
                this._notifyChange(inst);
                this._adjustDate(target)
            }, _clickMonthYear: function(id) {
                var target = $(id);
                var inst = this._getInst(target[0]);
                if (inst.input && inst._selectingMonthYear && !$.browser.msie) inst.input.focus();
                inst._selectingMonthYear = !inst._selectingMonthYear
            }, _selectDay: function(id, month, year, td) {
                var target = $(id);
                if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {
                    return
                }
                var inst = this._getInst(target[0]);
                inst.selectedDay = inst.currentDay = $('a', td).html();
                inst.selectedMonth = inst.currentMonth = month;
                inst.selectedYear = inst.currentYear = year;
                this._selectDate(id, this._formatDate(inst, inst.currentDay, inst.currentMonth, inst.currentYear))
            }, _clearDate: function(id) {
                var target = $(id);
                var inst = this._getInst(target[0]);
                this._selectDate(target, '')
            }, _selectDate: function(id, dateStr) {
                var target = $(id);
                var inst = this._getInst(target[0]);
                dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
                if (inst.input) inst.input.val(dateStr);
                this._updateAlternate(inst);
                var onSelect = this._get(inst, 'onSelect');
                if (onSelect) onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
                else if (inst.input) inst.input.trigger('change');
                if (inst.inline) this._updateDatepicker(inst);
                else {
                    this._hideDatepicker();
                    this._lastInput = inst.input[0];
                    if (typeof (inst.input[0]) != 'object') inst.input.focus();
                    this._lastInput = null
                }
            }, _updateAlternate: function(inst) {
                var altField = this._get(inst, 'altField');
                if (altField) {
                    var altFormat = this._get(inst, 'altFormat') || this._get(inst, 'dateFormat');
                    var date = this._getDate(inst);
                    var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
                    $(altField).each(function() {
                        $(this).val(dateStr)
                    })
                }
            }, noWeekends: function(date) {
                var day = date.getDay();
                return [(day > 0 && day < 6), '']
            }, iso8601Week: function(date) {
                var checkDate = new Date(date.getTime());
                checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
                var time = checkDate.getTime();
                checkDate.setMonth(0);
                checkDate.setDate(1);
                return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1
            }, parseDate: function(format, value, settings) {
                if (format == null || value == null) throw 'Invalid arguments';
                value = (typeof value == 'object' ? value.toString() : value + '');
                if (value == '') return null;
                var shortYearCutoff = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff;
                var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
                var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
                var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
                var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
                var year = -1;
                var month = -1;
                var day = -1;
                var doy = -1;
                var literal = false;
                var lookAhead = function(match) {
                    var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
                    if (matches) iFormat++;
                    return matches
                };
                var getNumber = function(match) {
                    lookAhead(match);
                    var size = (match == '@' ? 14 : (match == '!' ? 20 : (match == 'y' ? 4 : (match == 'o' ? 3 : 2))));
                    var digits = new RegExp('^\\d{1,' + size + '}');
                    var num = value.substring(iValue).match(digits);
                    if (!num) throw 'Missing number at position ' + iValue;
                    iValue += num[0].length;
                    return parseInt(num[0], 10)
                };
                var getName = function(match, shortNames, longNames) {
                    var names = (lookAhead(match) ? longNames : shortNames);
                    for (var i = 0; i < names.length; i++) {
                        if (value.substr(iValue, names[i].length) == names[i]) {
                            iValue += names[i].length;
                            return i + 1
                        }
                    }
                    throw 'Unknown name at position ' + iValue;
                };
                var checkLiteral = function() {
                    if (value.charAt(iValue) != format.charAt(iFormat)) throw 'Unexpected literal at position ' + iValue;
                    iValue++
                };
                var iValue = 0;
                for (var iFormat = 0; iFormat < format.length; iFormat++) {
                    if (literal) if (format.charAt(iFormat) == "'" && !lookAhead("'")) literal = false;
                    else checkLiteral();
                    else switch (format.charAt(iFormat)) {
                        case 'd':
                            day = getNumber('d');
                            break;
                        case 'D':
                            getName('D', dayNamesShort, dayNames);
                            break;
                        case 'o':
                            doy = getNumber('o');
                            break;
                        case 'm':
                            month = getNumber('m');
                            break;
                        case 'M':
                            month = getName('M', monthNamesShort, monthNames);
                            break;
                        case 'y':
                            year = getNumber('y');
                            break;
                        case '@':
                            var date = new Date(getNumber('@'));
                            year = date.getFullYear();
                            month = date.getMonth() + 1;
                            day = date.getDate();
                            break;
                        case '!':
                            var date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
                            year = date.getFullYear();
                            month = date.getMonth() + 1;
                            day = date.getDate();
                            break;
                        case "'":
                            if (lookAhead("'")) checkLiteral();
                            else literal = true;
                            break;
                        default:
                            checkLiteral()
                    }
                }
                if (year == -1) year = new Date().getFullYear();
                else if (year < 100) year += new Date().getFullYear() - new Date().getFullYear() % 100 + (year <= shortYearCutoff ? 0 : -100);
                if (doy > -1) {
                    month = 1;
                    day = doy;
                    do {
                        var dim = this._getDaysInMonth(year, month - 1);
                        if (day <= dim) break;
                        month++;
                        day -= dim
                    } while (true)
                }
                var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
                if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day) throw 'Invalid date';
                return date
            }, ATOM: 'yy-mm-dd',
            COOKIE: 'D, dd M yy',
            ISO_8601: 'yy-mm-dd',
            RFC_822: 'D, d M y',
            RFC_850: 'DD, dd-M-y',
            RFC_1036: 'D, d M y',
            RFC_1123: 'D, d M yy',
            RFC_2822: 'D, d M yy',
            RSS: 'D, d M y',
            TICKS: '!',
            TIMESTAMP: '@',
            W3C: 'yy-mm-dd',
            _ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) + Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
            formatDate: function(format, date, settings) {
                if (!date) return '';
                var dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort;
                var dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames;
                var monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort;
                var monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames;
                var lookAhead = function(match) {
                    var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
                    if (matches) iFormat++;
                    return matches
                };
                var formatNumber = function(match, value, len) {
                    var num = '' + value;
                    if (lookAhead(match)) while (num.length < len) num = '0' + num;
                    return num
                };
                var formatName = function(match, value, shortNames, longNames) {
                    return (lookAhead(match) ? longNames[value] : shortNames[value])
                };
                var output = '';
                var literal = false;
                if (date) for (var iFormat = 0; iFormat < format.length; iFormat++) {
                    if (literal) if (format.charAt(iFormat) == "'" && !lookAhead("'")) literal = false;
                    else output += format.charAt(iFormat);
                    else switch (format.charAt(iFormat)) {
                        case 'd':
                            output += formatNumber('d', date.getDate(), 2);
                            break;
                        case 'D':
                            output += formatName('D', date.getDay(), dayNamesShort, dayNames);
                            break;
                        case 'o':
                            output += formatNumber('o', (date.getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000, 3);
                            break;
                        case 'm':
                            output += formatNumber('m', date.getMonth() + 1, 2);
                            break;
                        case 'M':
                            output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
                            break;
                        case 'y':
                            output += (lookAhead('y') ? date.getFullYear() : (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
                            break;
                        case '@':
                            output += date.getTime();
                            break;
                        case '!':
                            output += date.getTime() * 10000 + this._ticksTo1970;
                            break;
                        case "'":
                            if (lookAhead("'")) output += "'";
                            else literal = true;
                            break;
                        default:
                            output += format.charAt(iFormat)
                    }
                }
                return output
            }, _possibleChars: function(format) {
                var chars = '';
                var literal = false;
                var lookAhead = function(match) {
                    var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
                    if (matches) iFormat++;
                    return matches
                };
                for (var iFormat = 0; iFormat < format.length; iFormat++) if (literal) if (format.charAt(iFormat) == "'" && !lookAhead("'")) literal = false;
                else chars += format.charAt(iFormat);
                else switch (format.charAt(iFormat)) {
                    case 'd':
                    case 'm':
                    case 'y':
                    case '@':
                        chars += '0123456789';
                        break;
                    case 'D':
                    case 'M':
                        return null;
                    case "'":
                        if (lookAhead("'")) chars += "'";
                        else literal = true;
                        break;
                    default:
                        chars += format.charAt(iFormat)
                }
                return chars
            }, _get: function(inst, name) {
                return inst.settings[name] !== undefined ? inst.settings[name] : this._defaults[name]
            }, _setDateFromField: function(inst, noDefault) {
                if (inst.input.val() == inst.lastVal) {
                    return
                }
                var dateFormat = this._get(inst, 'dateFormat');
                var dates = inst.lastVal = inst.input ? inst.input.val() : null;
                var date, defaultDate;
                date = defaultDate = this._getDefaultDate(inst);
                var settings = this._getFormatConfig(inst);
                try {
                    date = this.parseDate(dateFormat, dates, settings) || defaultDate
                } catch (event) {
                    this.log(event);
                    dates = (noDefault ? '' : dates)
                }
                inst.selectedDay = date.getDate();
                inst.drawMonth = inst.selectedMonth = date.getMonth();
                inst.drawYear = inst.selectedYear = date.getFullYear();
                inst.currentDay = (dates ? date.getDate() : 0);
                inst.currentMonth = (dates ? date.getMonth() : 0);
                inst.currentYear = (dates ? date.getFullYear() : 0);
                this._adjustInstDate(inst)
            }, _getDefaultDate: function(inst) {
                return this._restrictMinMax(inst, this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()))
            }, _determineDate: function(inst, date, defaultDate) {
                var offsetNumeric = function(offset) {
                    var date = new Date();
                    date.setDate(date.getDate() + offset);
                    return date
                };
                var offsetString = function(offset) {
                    try {
                        return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'), offset, $.datepicker._getFormatConfig(inst))
                    } catch (e) { }
                    var date = (offset.toLowerCase().match(/^c/) ? $.datepicker._getDate(inst) : null) || new Date();
                    var year = date.getFullYear();
                    var month = date.getMonth();
                    var day = date.getDate();
                    var pattern = /([+-]?[0-9]+)\s*(d|D|w|W|m|M|y|Y)?/g;
                    var matches = pattern.exec(offset);
                    while (matches) {
                        switch (matches[2] || 'd') {
                            case 'd':
                            case 'D':
                                day += parseInt(matches[1], 10);
                                break;
                            case 'w':
                            case 'W':
                                day += parseInt(matches[1], 10) * 7;
                                break;
                            case 'm':
                            case 'M':
                                month += parseInt(matches[1], 10);
                                day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
                                break;
                            case 'y':
                            case 'Y':
                                year += parseInt(matches[1], 10);
                                day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
                                break
                        }
                        matches = pattern.exec(offset)
                    }
                    return new Date(year, month, day)
                };
                date = (date == null ? defaultDate : (typeof date == 'string' ? offsetString(date) : (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : date)));
                date = (date && date.toString() == 'Invalid Date' ? defaultDate : date);
                if (date) {
                    date.setHours(0);
                    date.setMinutes(0);
                    date.setSeconds(0);
                    date.setMilliseconds(0)
                }
                return this._daylightSavingAdjust(date)
            }, _daylightSavingAdjust: function(date) {
                if (!date) return null;
                date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
                return date
            }, _setDate: function(inst, date, noChange) {
                var clear = !(date) && date != null;
                var origMonth = inst.selectedMonth;
                var origYear = inst.selectedYear;
                date = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
                inst.selectedDay = inst.currentDay = date.getDate();
                inst.drawMonth = inst.selectedMonth = inst.currentMonth = date.getMonth();
                inst.drawYear = inst.selectedYear = inst.currentYear = date.getFullYear();
                if ((origMonth != inst.selectedMonth || origYear != inst.selectedYear) && !noChange) this._notifyChange(inst);
                this._adjustInstDate(inst);
                if (inst.input) {
                    inst.input.val(clear ? '' : this._formatDate(inst))
                }
            }, _getDate: function(inst) {
                var startDate = (!inst.currentYear || (inst.input && inst.input.val() == '') ? null : this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
                return startDate
            }, _generateHTML: function(inst) {
                var today = new Date();
                today = this._daylightSavingAdjust(new Date(today.getFullYear(), today.getMonth(), today.getDate()));
                var isRTL = this._get(inst, 'isRTL');
                var showButtonPanel = this._get(inst, 'showButtonPanel');
                var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
                var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
                var numMonths = this._getNumberOfMonths(inst);
                var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
                var stepMonths = this._get(inst, 'stepMonths');
                var isMultiMonth = (numMonths[0] != 1 || numMonths[1] != 1);
                var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) : new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
                var minDate = this._getMinMaxDate(inst, 'min');
                var maxDate = this._getMinMaxDate(inst, 'max');
                var drawMonth = inst.drawMonth - showCurrentAtPos;
                var drawYear = inst.drawYear;
                if (drawMonth < 0) {
                    drawMonth += 12;
                    drawYear--
                }
                if (maxDate) {
                    var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(), maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
                    maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
                    while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
                        drawMonth--;
                        if (drawMonth < 0) {
                            drawMonth = 11;
                            drawYear--
                        }
                    }
                }
                inst.drawMonth = drawMonth;
                inst.drawYear = drawYear;
                var prevText = this._get(inst, 'prevText');
                prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText, this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)), this._getFormatConfig(inst)));
                var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ? '<a class="ui-datepicker-prev ui-corner-all" onclick="DP_jQuery_' + dpuuid + '.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' + ' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + (isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' : (hideIfNoPrevNext ? '' : '<a class="ui-datepicker-prev ui-corner-all ui-state-disabled" title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + (isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>'));
                var nextText = this._get(inst, 'nextText');
                nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText, this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)), this._getFormatConfig(inst)));
                var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ? '<a class="ui-datepicker-next ui-corner-all" onclick="DP_jQuery_' + dpuuid + '.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' + ' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + (isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' : (hideIfNoPrevNext ? '' : '<a class="ui-datepicker-next ui-corner-all ui-state-disabled" title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + (isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>'));
                var currentText = this._get(inst, 'currentText');
                var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
                currentText = (!navigationAsDateFormat ? currentText : this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
                var controls = (!inst.inline ? '<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" onclick="DP_jQuery_' + dpuuid + '.datepicker._hideDatepicker();">' + this._get(inst, 'closeText') + '</button>' : '');
                var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') + (this._isInRange(inst, gotoDate) ? '<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" onclick="DP_jQuery_' + dpuuid + '.datepicker._gotoToday(\'#' + inst.id + '\');"' + '>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
                var firstDay = parseInt(this._get(inst, 'firstDay'), 10);
                firstDay = (isNaN(firstDay) ? 0 : firstDay);
                var showWeek = this._get(inst, 'showWeek');
                var dayNames = this._get(inst, 'dayNames');
                var dayNamesShort = this._get(inst, 'dayNamesShort');
                var dayNamesMin = this._get(inst, 'dayNamesMin');
                var monthNames = this._get(inst, 'monthNames');
                var monthNamesShort = this._get(inst, 'monthNamesShort');
                var beforeShowDay = this._get(inst, 'beforeShowDay');
                var showOtherMonths = this._get(inst, 'showOtherMonths');
                var selectOtherMonths = this._get(inst, 'selectOtherMonths');
                var calculateWeek = this._get(inst, 'calculateWeek') || this.iso8601Week;
                var defaultDate = this._getDefaultDate(inst);
                var html = '';
                for (var row = 0; row < numMonths[0]; row++) {
                    var group = '';
                    for (var col = 0; col < numMonths[1]; col++) {
                        var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
                        var cornerClass = ' ui-corner-all';
                        var calender = '';
                        if (isMultiMonth) {
                            calender += '<div class="ui-datepicker-group';
                            if (numMonths[1] > 1) switch (col) {
                                case 0:
                                    calender += ' ui-datepicker-group-first';
                                    cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left');
                                    break;
                                case numMonths[1] - 1:
                                    calender += ' ui-datepicker-group-last';
                                    cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right');
                                    break;
                                default:
                                    calender += ' ui-datepicker-group-middle';
                                    cornerClass = '';
                                    break
                            }
                            calender += '">'
                        }
                        calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' + (/all|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') + (/all|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') + this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate, row > 0 || col > 0, monthNames, monthNamesShort) + '</div><table class="ui-datepicker-calendar"><thead>' + '<tr>';
                        var thead = (showWeek ? '<th class="ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
                        for (var dow = 0; dow < 7; dow++) {
                            var day = (dow + firstDay) % 7;
                            thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' + '<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>'
                        }
                        calender += thead + '</tr></thead><tbody>';
                        var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
                        if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth) inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
                        var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
                        var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7));
                        var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
                        for (var dRow = 0; dRow < numRows; dRow++) {
                            calender += '<tr>';
                            var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' + this._get(inst, 'calculateWeek')(printDate) + '</td>');
                            for (var dow = 0; dow < 7; dow++) {
                                var daySettings = (beforeShowDay ? beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
                                var otherMonth = (printDate.getMonth() != drawMonth);
                                var unselectable = (otherMonth && !selectOtherMonths) || !daySettings[0] || (minDate && printDate < minDate) || (maxDate && printDate > maxDate);
                                tbody += '<td class="' + ((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + (otherMonth ? ' ui-datepicker-other-month' : '') + ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ? ' ' + this._dayOverClass : '') + (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled' : '') + (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + (printDate.getTime() == currentDate.getTime() ? ' ' + this._currentClass : '') + (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + (unselectable ? '' : ' onclick="DP_jQuery_' + dpuuid + '.datepicker._selectDay(\'#' + inst.id + '\',' + printDate.getMonth() + ',' + printDate.getFullYear() + ', this);return false;"') + '>' + (otherMonth && !showOtherMonths ? '&#xa0;' : (unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' + (printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') + (printDate.getTime() == currentDate.getTime() ? ' ui-state-active' : '') + (otherMonth ? ' ui-priority-secondary' : '') + '" href="#">' + printDate.getDate() + '</a>')) + '</td>';
                                printDate.setDate(printDate.getDate() + 1);
                                printDate = this._daylightSavingAdjust(printDate)
                            }
                            calender += tbody + '</tr>'
                        }
                        drawMonth++;
                        if (drawMonth > 11) {
                            drawMonth = 0;
                            drawYear++
                        }
                        calender += '</tbody></table>' + (isMultiMonth ? '</div>' + ((numMonths[0] > 0 && col == numMonths[1] - 1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
                        group += calender
                    }
                    html += group
                }
                html += buttonPanel + ($.browser.msie && parseInt($.browser.version, 10) < 7 && !inst.inline ? '<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
                inst._keyEvent = false;
                return html
            }, _generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate, secondary, monthNames, monthNamesShort) {
                var changeMonth = this._get(inst, 'changeMonth');
                var changeYear = this._get(inst, 'changeYear');
                var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
                var html = '<div class="ui-datepicker-title">';
                var monthHtml = '';
                if (secondary || !changeMonth) monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span>';
                else {
                    var inMinYear = (minDate && minDate.getFullYear() == drawYear);
                    var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
                    monthHtml += '<select class="ui-datepicker-month" ' + 'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' + 'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' + '>';
                    for (var month = 0; month < 12; month++) {
                        if ((!inMinYear || month >= minDate.getMonth()) && (!inMaxYear || month <= maxDate.getMonth())) monthHtml += '<option value="' + month + '"' + (month == drawMonth ? ' selected="selected"' : '') + '>' + monthNamesShort[month] + '</option>'
                    }
                    monthHtml += '</select>'
                }
                if (!showMonthAfterYear) html += monthHtml + (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '');
                if (secondary || !changeYear) html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
                else {
                    var years = this._get(inst, 'yearRange').split(':');
                    var thisYear = new Date().getFullYear();
                    var determineYear = function(value) {
                        var year = (value.match(/c[+-].*/) ? drawYear + parseInt(value.substring(1), 10) : (value.match(/[+-].*/) ? thisYear + parseInt(value, 10) : parseInt(value, 10)));
                        return (isNaN(year) ? thisYear : year)
                    };
                    var year = determineYear(years[0]);
                    var endYear = Math.max(year, determineYear(years[1] || ''));
                    year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
                    endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
                    html += '<select class="ui-datepicker-year" ' + 'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' + 'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' + '>';
                    for (; year <= endYear; year++) {
                        html += '<option value="' + year + '"' + (year == drawYear ? ' selected="selected"' : '') + '>' + year + '</option>'
                    }
                    html += '</select>'
                }
                html += this._get(inst, 'yearSuffix');
                if (showMonthAfterYear) html += (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '') + monthHtml;
                html += '</div>';
                return html
            }, _adjustInstDate: function(inst, offset, period) {
                var year = inst.drawYear + (period == 'Y' ? offset : 0);
                var month = inst.drawMonth + (period == 'M' ? offset : 0);
                var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) + (period == 'D' ? offset : 0);
                var date = this._restrictMinMax(inst, this._daylightSavingAdjust(new Date(year, month, day)));
                inst.selectedDay = date.getDate();
                inst.drawMonth = inst.selectedMonth = date.getMonth();
                inst.drawYear = inst.selectedYear = date.getFullYear();
                if (period == 'M' || period == 'Y') this._notifyChange(inst)
            }, _restrictMinMax: function(inst, date) {
                var minDate = this._getMinMaxDate(inst, 'min');
                var maxDate = this._getMinMaxDate(inst, 'max');
                date = (minDate && date < minDate ? minDate : date);
                date = (maxDate && date > maxDate ? maxDate : date);
                return date
            }, _notifyChange: function(inst) {
                var onChange = this._get(inst, 'onChangeMonthYear');
                if (onChange) onChange.apply((inst.input ? inst.input[0] : null), [inst.selectedYear, inst.selectedMonth + 1, inst])
            }, _getNumberOfMonths: function(inst) {
                var numMonths = this._get(inst, 'numberOfMonths');
                return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths))
            }, _getMinMaxDate: function(inst, minMax) {
                return this._determineDate(inst, this._get(inst, minMax + 'Date'), null)
            }, _getDaysInMonth: function(year, month) {
                return 32 - new Date(year, month, 32).getDate()
            }, _getFirstDayOfMonth: function(year, month) {
                return new Date(year, month, 1).getDay()
            }, _canAdjustMonth: function(inst, offset, curYear, curMonth) {
                var numMonths = this._getNumberOfMonths(inst);
                var date = this._daylightSavingAdjust(new Date(curYear, curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
                if (offset < 0) date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
                return this._isInRange(inst, date)
            }, _isInRange: function(inst, date) {
                var minDate = this._getMinMaxDate(inst, 'min');
                var maxDate = this._getMinMaxDate(inst, 'max');
                return ((!minDate || date.getTime() >= minDate.getTime()) && (!maxDate || date.getTime() <= maxDate.getTime()))
            }, _getFormatConfig: function(inst) {
                var shortYearCutoff = this._get(inst, 'shortYearCutoff');
                shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff : new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
                return {
                    shortYearCutoff: shortYearCutoff,
                    dayNamesShort: this._get(inst, 'dayNamesShort'),
                    dayNames: this._get(inst, 'dayNames'),
                    monthNamesShort: this._get(inst, 'monthNamesShort'),
                    monthNames: this._get(inst, 'monthNames')
                }
            }, _formatDate: function(inst, day, month, year) {
                if (!day) {
                    inst.currentDay = inst.selectedDay;
                    inst.currentMonth = inst.selectedMonth;
                    inst.currentYear = inst.selectedYear
                }
                var date = (day ? (typeof day == 'object' ? day : this._daylightSavingAdjust(new Date(year, month, day))) : this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
                return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst))
            }
        });

        function extendRemove(target, props) {
            $.extend(target, props);
            for (var name in props) if (props[name] == null || props[name] == undefined) target[name] = props[name];
            return target
        };

        function isArray(a) {
            return (a && (($.browser.safari && typeof a == 'object' && a.length) || (a.constructor && a.constructor.toString().match(/\Array\(\)/))))
        };
        $.fn.datepicker = function(options) {
            if (!$.datepicker.initialized) {
                $(document).mousedown($.datepicker._checkExternalClick).find('body').append($.datepicker.dpDiv);
                $.datepicker.initialized = true
            }
            var otherArgs = Array.prototype.slice.call(arguments, 1);
            if (typeof options == 'string' && (options == 'isDisabled' || options == 'getDate' || options == 'widget')) return $.datepicker['_' + options + 'Datepicker'].apply($.datepicker, [this[0]].concat(otherArgs));
            if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string') return $.datepicker['_' + options + 'Datepicker'].apply($.datepicker, [this[0]].concat(otherArgs));

            return this.each(function() {
                typeof options == 'string' ? $.datepicker['_' + options + 'Datepicker'].apply($.datepicker, [this].concat(otherArgs)) : $.datepicker._attachDatepicker(this, options)
            })
        };
        $.datepicker = new Datepicker();
        $.datepicker.initialized = false;
        $.datepicker.uuid = new Date().getTime();
        $.datepicker.version = "1.8.1";
        window['DP_jQuery_' + dpuuid] = $
    })(jQuery);