[SPIP] +2.1.12
[velocampus/web/www.git] / www / plugins / auto / jquery_ui / javascript / jquery-ui-1.8.16 / ui / jquery.ui.datepicker.js
diff --git a/www/plugins/auto/jquery_ui/javascript/jquery-ui-1.8.16/ui/jquery.ui.datepicker.js b/www/plugins/auto/jquery_ui/javascript/jquery-ui-1.8.16/ui/jquery.ui.datepicker.js
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+/*
+ * jQuery UI Datepicker 1.8.16
+ *
+ * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * http://docs.jquery.com/UI/Datepicker
+ *
+ * Depends:
+ *     jquery.ui.core.js
+ */
+(function( $, undefined ) {
+
+$.extend($.ui, { datepicker: { version: "1.8.16" } });
+
+var PROP_NAME = 'datepicker';
+var dpuuid = new Date().getTime();
+var instActive;
+
+/* Date picker manager.
+   Use the singleton instance of this class, $.datepicker, to interact with the date picker.
+   Settings for (groups of) date pickers are maintained in an instance object,
+   allowing multiple different settings on the same page. */
+
+function Datepicker() {
+       this.debug = false; // Change this to true to start debugging
+       this._curInst = null; // The current instance in use
+       this._keyEvent = false; // If the last event was a key event
+       this._disabledInputs = []; // List of date picker inputs that have been disabled
+       this._datepickerShowing = false; // True if the popup picker is showing , false if not
+       this._inDialog = false; // True if showing within a "dialog", false if not
+       this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division
+       this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class
+       this._appendClass = 'ui-datepicker-append'; // The name of the append marker class
+       this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class
+       this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class
+       this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class
+       this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class
+       this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class
+       this._dayOverClass = 'ui-datepicker-days-cell-over'; // The name of the day hover marker class
+       this.regional = []; // Available regional settings, indexed by language code
+       this.regional[''] = { // Default regional settings
+               closeText: 'Done', // Display text for close link
+               prevText: 'Prev', // Display text for previous month link
+               nextText: 'Next', // Display text for next month link
+               currentText: 'Today', // Display text for current month link
+               monthNames: ['January','February','March','April','May','June',
+                       'July','August','September','October','November','December'], // Names of months for drop-down and formatting
+               monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
+               dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
+               dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
+               dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
+               weekHeader: 'Wk', // Column header for week of the year
+               dateFormat: 'mm/dd/yy', // See format options on parseDate
+               firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
+               isRTL: false, // True if right-to-left language, false if left-to-right
+               showMonthAfterYear: false, // True if the year select precedes month, false for month then year
+               yearSuffix: '' // Additional text to append to the year in the month headers
+       };
+       this._defaults = { // Global defaults for all the date picker instances
+               showOn: 'focus', // 'focus' for popup on focus,
+                       // 'button' for trigger button, or 'both' for either
+               showAnim: 'fadeIn', // Name of jQuery animation for popup
+               showOptions: {}, // Options for enhanced animations
+               defaultDate: null, // Used when field is blank: actual date,
+                       // +/-number for offset from today, null for today
+               appendText: '', // Display text following the input box, e.g. showing the format
+               buttonText: '...', // Text for trigger button
+               buttonImage: '', // URL for trigger button image
+               buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
+               hideIfNoPrevNext: false, // True to hide next/previous month links
+                       // if not applicable, false to just disable them
+               navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
+               gotoCurrent: false, // True if today link goes back to current selection instead
+               changeMonth: false, // True if month can be selected directly, false if only prev/next
+               changeYear: false, // True if year can be selected directly, false if only prev/next
+               yearRange: 'c-10:c+10', // Range of years to display in drop-down,
+                       // either relative to today's year (-nn:+nn), relative to currently displayed year
+                       // (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
+               showOtherMonths: false, // True to show dates in other months, false to leave blank
+               selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
+               showWeek: false, // True to show week of the year, false to not show it
+               calculateWeek: this.iso8601Week, // How to calculate the week of the year,
+                       // takes a Date and returns the number of the week for it
+               shortYearCutoff: '+10', // Short year values < this are in the current century,
+                       // > this are in the previous century,
+                       // string value starting with '+' for current year + value
+               minDate: null, // The earliest selectable date, or null for no limit
+               maxDate: null, // The latest selectable date, or null for no limit
+               duration: 'fast', // Duration of display/closure
+               beforeShowDay: null, // Function that takes a date and returns an array with
+                       // [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
+                       // [2] = cell title (optional), e.g. $.datepicker.noWeekends
+               beforeShow: null, // Function that takes an input field and
+                       // returns a set of custom settings for the date picker
+               onSelect: null, // Define a callback function when a date is selected
+               onChangeMonthYear: null, // Define a callback function when the month or year is changed
+               onClose: null, // Define a callback function when the datepicker is closed
+               numberOfMonths: 1, // Number of months to show at a time
+               showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
+               stepMonths: 1, // Number of months to step back/forward
+               stepBigMonths: 12, // Number of months to step back/forward for the big links
+               altField: '', // Selector for an alternate field to store selected dates into
+               altFormat: '', // The date format to use for the alternate field
+               constrainInput: true, // The input is constrained by the current date format
+               showButtonPanel: false, // True to show button panel, false to not show it
+               autoSize: false, // True to size the input for the date format, false to leave as is
+               disabled: false // The initial disabled state
+       };
+       $.extend(this._defaults, this.regional['']);
+       this.dpDiv = bindHover($('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>'));
+}
+
+$.extend(Datepicker.prototype, {
+       /* Class name added to elements to indicate already configured with a date picker. */
+       markerClassName: 'hasDatepicker',
+       
+       //Keep track of the maximum number of rows displayed (see #7043)
+       maxRows: 4,
+
+       /* Debug logging (if enabled). */
+       log: function () {
+               if (this.debug)
+                       console.log.apply('', arguments);
+       },
+       
+       // TODO rename to "widget" when switching to widget factory
+       _widgetDatepicker: function() {
+               return this.dpDiv;
+       },
+
+       /* Override the default settings for all instances of the date picker.
+          @param  settings  object - the new settings to use as defaults (anonymous object)
+          @return the manager object */
+       setDefaults: function(settings) {
+               extendRemove(this._defaults, settings || {});
+               return this;
+       },
+
+       /* Attach the date picker to a jQuery selection.
+          @param  target    element - the target input field or division or span
+          @param  settings  object - the new settings to use for this date picker instance (anonymous) */
+       _attachDatepicker: function(target, settings) {
+               // check for settings on the control itself - in namespace 'date:'
+               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) {
+                       this.uuid += 1;
+                       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);
+               }
+       },
+
+       /* Create a new instance object. */
+       _newInst: function(target, inline) {
+               var id = target[0].id.replace(/([^A-Za-z0-9_-])/g, '\\\\$1'); // escape jQuery meta chars
+               return {id: id, input: target, // associated target
+                       selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
+                       drawMonth: 0, drawYear: 0, // month being drawn
+                       inline: inline, // is datepicker inline or not
+                       dpDiv: (!inline ? this.dpDiv : // presentation div
+                       bindHover($('<div class="' + this._inlineClass + ' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>')))};
+       },
+
+       /* Attach the date picker to an input field. */
+       _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);
+               //If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)
+               if( inst.settings.disabled ) {
+                       this._disableDatepicker( target );
+               }
+       },
+
+       /* Make attachments based on settings. */
+       _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') // pop-up date picker when in the marked field
+                       input.focus(this._showDatepicker);
+               if (showOn == 'button' || showOn == 'both') { // pop-up date picker when button clicked
+                       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;
+                       });
+               }
+       },
+
+       /* Apply the maximum length for the date format. */
+       _autoSize: function(inst) {
+               if (this._get(inst, 'autoSize') && !inst.inline) {
+                       var date = new Date(2009, 12 - 1, 20); // Ensure double digits
+                       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);
+               }
+       },
+
+       /* Attach an inline date picker to a div. */
+       _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);
+               //If disabled option is true, disable the datepicker before showing it (see ticket #5665)
+               if( inst.settings.disabled ) {
+                       this._disableDatepicker( target );
+               }
+               // Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements
+               // http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height
+               inst.dpDiv.css( "display", "block" );
+       },
+
+       /* Pop-up the date picker in a "dialog" box.
+          @param  input     element - ignored
+          @param  date      string or Date - the initial date to display
+          @param  onSelect  function - the function to call when a date is selected
+          @param  settings  object - update the dialog date picker instance's settings (anonymous object)
+          @param  pos       int[2] - coordinates for the dialog's position within the screen or
+                            event - with x/y coordinates or
+                            leave empty for default (screen centre)
+          @return the manager object */
+       _dialogDatepicker: function(input, date, onSelect, settings, pos) {
+               var inst = this._dialogInst; // internal instance
+               if (!inst) {
+                       this.uuid += 1;
+                       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 = {};
+                       $.data(this._dialogInput[0], PROP_NAME, inst);
+               }
+               extendRemove(inst.settings, settings || {});
+               date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
+               this._dialogInput.val(date);
+
+               this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
+               if (!this._pos) {
+                       var browserWidth = document.documentElement.clientWidth;
+                       var browserHeight = document.documentElement.clientHeight;
+                       var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
+                       var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
+                       this._pos = // should use actual width/height below
+                               [(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
+               }
+
+               // move input on screen for focus, but hidden behind dialog
+               this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
+               inst.settings.onSelect = onSelect;
+               this._inDialog = true;
+               this.dpDiv.addClass(this._dialogClass);
+               this._showDatepicker(this._dialogInput[0]);
+               if ($.blockUI)
+                       $.blockUI(this.dpDiv);
+               $.data(this._dialogInput[0], PROP_NAME, inst);
+               return this;
+       },
+
+       /* Detach a datepicker from its control.
+          @param  target    element - the target input field or division or span */
+       _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();
+       },
+
+       /* Enable the date picker to a jQuery selection.
+          @param  target    element - the target input field or division or span */
+       _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');
+                       inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
+                               removeAttr("disabled");
+               }
+               this._disabledInputs = $.map(this._disabledInputs,
+                       function(value) { return (value == target ? null : value); }); // delete entry
+       },
+
+       /* Disable the date picker to a jQuery selection.
+          @param  target    element - the target input field or division or span */
+       _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');
+                       inline.find("select.ui-datepicker-month, select.ui-datepicker-year").
+                               attr("disabled", "disabled");
+               }
+               this._disabledInputs = $.map(this._disabledInputs,
+                       function(value) { return (value == target ? null : value); }); // delete entry
+               this._disabledInputs[this._disabledInputs.length] = target;
+       },
+
+       /* Is the first field in a jQuery collection disabled as a datepicker?
+          @param  target    element - the target input field or division or span
+          @return boolean - true if disabled, false if enabled */
+       _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;
+       },
+
+       /* Retrieve the instance data for the target control.
+          @param  target  element - the target input field or division or span
+          @return  object - the associated instance data
+          @throws  error if a jQuery problem getting data */
+       _getInst: function(target) {
+               try {
+                       return $.data(target, PROP_NAME);
+               }
+               catch (err) {
+                       throw 'Missing instance data for this datepicker';
+               }
+       },
+
+       /* Update or retrieve the settings for a date picker attached to an input field or division.
+          @param  target  element - the target input field or division or span
+          @param  name    object - the new settings to update or
+                          string - the name of the setting to change or retrieve,
+                          when retrieving also 'all' for all instance settings or
+                          'defaults' for all global defaults
+          @param  value   any - the new value for the setting
+                          (omit if above is an object or to retrieve a value) */
+       _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' ? $.extend({}, inst.settings) :
+                               this._get(inst, name)) : null));
+               }
+               var settings = name || {};
+               if (typeof name == 'string') {
+                       settings = {};
+                       settings[name] = value;
+               }
+               if (inst) {
+                       if (this._curInst == inst) {
+                               this._hideDatepicker();
+                       }
+                       var date = this._getDateDatepicker(target, true);
+                       var minDate = this._getMinMaxDate(inst, 'min');
+                       var maxDate = this._getMinMaxDate(inst, 'max');
+                       extendRemove(inst.settings, settings);
+                       // reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided
+                       if (minDate !== null && settings['dateFormat'] !== undefined && settings['minDate'] === undefined)
+                               inst.settings.minDate = this._formatDate(inst, minDate);
+                       if (maxDate !== null && settings['dateFormat'] !== undefined && settings['maxDate'] === undefined)
+                               inst.settings.maxDate = this._formatDate(inst, maxDate);
+                       this._attachments($(target), inst);
+                       this._autoSize(inst);
+                       this._setDate(inst, date);
+                       this._updateAlternate(inst);
+                       this._updateDatepicker(inst);
+               }
+       },
+
+       // change method deprecated
+       _changeDatepicker: function(target, name, value) {
+               this._optionDatepicker(target, name, value);
+       },
+
+       /* Redraw the date picker attached to an input field or division.
+          @param  target  element - the target input field or division or span */
+       _refreshDatepicker: function(target) {
+               var inst = this._getInst(target);
+               if (inst) {
+                       this._updateDatepicker(inst);
+               }
+       },
+
+       /* Set the dates for a jQuery selection.
+          @param  target   element - the target input field or division or span
+          @param  date     Date - the new date */
+       _setDateDatepicker: function(target, date) {
+               var inst = this._getInst(target);
+               if (inst) {
+                       this._setDate(inst, date);
+                       this._updateDatepicker(inst);
+                       this._updateAlternate(inst);
+               }
+       },
+
+       /* Get the date(s) for the first entry in a jQuery selection.
+          @param  target     element - the target input field or division or span
+          @param  noDefault  boolean - true if no default date is to be used
+          @return Date - the current date */
+       _getDateDatepicker: function(target, noDefault) {
+               var inst = this._getInst(target);
+               if (inst && !inst.inline)
+                       this._setDateFromField(inst, noDefault);
+               return (inst ? this._getDate(inst) : null);
+       },
+
+       /* Handle keystrokes. */
+       _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; // hide on tab out
+                               case 13: var sel = $('td.' + $.datepicker._dayOverClass + ':not(.' + 
+                                                                       $.datepicker._currentClass + ')', inst.dpDiv);
+                                               if (sel[0])
+                                                       $.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
+                                                       var onSelect = $.datepicker._get(inst, 'onSelect');
+                                                       if (onSelect) {
+                                                               var dateStr = $.datepicker._formatDate(inst);
+
+                                                               // trigger custom callback
+                                                               onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);
+                                                       }
+                                               else
+                                                       $.datepicker._hideDatepicker();
+                                               return false; // don't submit the form
+                                               break; // select the value on enter
+                               case 27: $.datepicker._hideDatepicker();
+                                               break; // hide on escape
+                               case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+                                                       -$.datepicker._get(inst, 'stepBigMonths') :
+                                                       -$.datepicker._get(inst, 'stepMonths')), 'M');
+                                               break; // previous month/year on page up/+ ctrl
+                               case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+                                                       +$.datepicker._get(inst, 'stepBigMonths') :
+                                                       +$.datepicker._get(inst, 'stepMonths')), 'M');
+                                               break; // next month/year on page down/+ ctrl
+                               case 35: if (event.ctrlKey || event.metaKey) $.datepicker._clearDate(event.target);
+                                               handled = event.ctrlKey || event.metaKey;
+                                               break; // clear on ctrl or command +end
+                               case 36: if (event.ctrlKey || event.metaKey) $.datepicker._gotoToday(event.target);
+                                               handled = event.ctrlKey || event.metaKey;
+                                               break; // current on ctrl or command +home
+                               case 37: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
+                                               handled = event.ctrlKey || event.metaKey;
+                                               // -1 day on ctrl or command +left
+                                               if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+                                                                       -$.datepicker._get(inst, 'stepBigMonths') :
+                                                                       -$.datepicker._get(inst, 'stepMonths')), 'M');
+                                               // next month/year on alt +left on Mac
+                                               break;
+                               case 38: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
+                                               handled = event.ctrlKey || event.metaKey;
+                                               break; // -1 week on ctrl or command +up
+                               case 39: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
+                                               handled = event.ctrlKey || event.metaKey;
+                                               // +1 day on ctrl or command +right
+                                               if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
+                                                                       +$.datepicker._get(inst, 'stepBigMonths') :
+                                                                       +$.datepicker._get(inst, 'stepMonths')), 'M');
+                                               // next month/year on alt +right
+                                               break;
+                               case 40: if (event.ctrlKey || event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
+                                               handled = event.ctrlKey || event.metaKey;
+                                               break; // +1 week on ctrl or command +down
+                               default: handled = false;
+                       }
+               else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
+                       $.datepicker._showDatepicker(this);
+               else {
+                       handled = false;
+               }
+               if (handled) {
+                       event.preventDefault();
+                       event.stopPropagation();
+               }
+       },
+
+       /* Filter entered characters - based on date format. */
+       _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 || event.metaKey || (chr < ' ' || !chars || chars.indexOf(chr) > -1);
+               }
+       },
+
+       /* Synchronise manual entry and field/alternate field. */
+       _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) { // only if valid
+                                       $.datepicker._setDateFromField(inst);
+                                       $.datepicker._updateAlternate(inst);
+                                       $.datepicker._updateDatepicker(inst);
+                               }
+                       }
+                       catch (event) {
+                               $.datepicker.log(event);
+                       }
+               }
+               return true;
+       },
+
+       /* Pop-up the date picker for a given input field.
+       If false returned from beforeShow event handler do not show. 
+          @param  input  element - the input field attached to the date picker or
+                         event - if triggered by focus */
+       _showDatepicker: function(input) {
+               input = input.target || input;
+               if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
+                       input = $('input', input.parentNode)[0];
+               if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput == input) // already here
+                       return;
+               var inst = $.datepicker._getInst(input);
+               if ($.datepicker._curInst && $.datepicker._curInst != inst) {
+                       if ( $.datepicker._datepickerShowing ) {
+                               $.datepicker._triggerOnClose($.datepicker._curInst);
+                       }
+                       $.datepicker._curInst.dpDiv.stop(true, true);
+               }
+               var beforeShow = $.datepicker._get(inst, 'beforeShow');
+               var beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};
+               if(beforeShowSettings === false){
+            //false
+                       return;
+               }
+               extendRemove(inst.settings, beforeShowSettings);
+               inst.lastVal = null;
+               $.datepicker._lastInput = input;
+               $.datepicker._setDateFromField(inst);
+               if ($.datepicker._inDialog) // hide cursor
+                       input.value = '';
+               if (!$.datepicker._pos) { // position below input
+                       $.datepicker._pos = $.datepicker._findPos(input);
+                       $.datepicker._pos[1] += input.offsetHeight; // add the height
+               }
+               var isFixed = false;
+               $(input).parents().each(function() {
+                       isFixed |= $(this).css('position') == 'fixed';
+                       return !isFixed;
+               });
+               if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
+                       $.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;
+               //to avoid flashes on Firefox
+               inst.dpDiv.empty();
+               // determine sizing offscreen
+               inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
+               $.datepicker._updateDatepicker(inst);
+               // fix width for dynamic number of date pickers
+               // and adjust position before showing
+               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'});
+               if (!inst.inline) {
+                       var showAnim = $.datepicker._get(inst, 'showAnim');
+                       var duration = $.datepicker._get(inst, 'duration');
+                       var postProcess = function() {
+                               var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
+                               if( !! cover.length ){
+                                       var borders = $.datepicker._getBorders(inst.dpDiv);
+                                       cover.css({left: -borders[0], top: -borders[1],
+                                               width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()});
+                               }
+                       };
+                       inst.dpDiv.zIndex($(input).zIndex()+1);
+                       $.datepicker._datepickerShowing = true;
+                       if ($.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();
+                       $.datepicker._curInst = inst;
+               }
+       },
+
+       /* Generate the date picker content. */
+       _updateDatepicker: function(inst) {
+               var self = this;
+               self.maxRows = 4; //Reset the max number of rows being displayed (see #7043)
+               var borders = $.datepicker._getBorders(inst.dpDiv);
+               instActive = inst; // for delegate hover events
+               inst.dpDiv.empty().append(this._generateHTML(inst));
+               var cover = inst.dpDiv.find('iframe.ui-datepicker-cover'); // IE6- only
+               if( !!cover.length ){ //avoid call to outerXXXX() when not in IE6
+                       cover.css({left: -borders[0], top: -borders[1], width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()})
+               }
+               inst.dpDiv.find('.' + this._dayOverClass + ' a').mouseover();
+               var numMonths = this._getNumberOfMonths(inst);
+               var cols = numMonths[1];
+               var width = 17;
+               inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
+               if (cols > 1)
+                       inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
+               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 &&
+                               // #6694 - don't focus the input if it's already focused
+                               // this breaks the change event in IE
+                               inst.input.is(':visible') && !inst.input.is(':disabled') && inst.input[0] != document.activeElement)
+                       inst.input.focus();
+               // deffered render of the years select (to avoid flashes on Firefox) 
+               if( inst.yearshtml ){
+                       var origyearshtml = inst.yearshtml;
+                       setTimeout(function(){
+                               //assure that inst.yearshtml didn't change.
+                               if( origyearshtml === inst.yearshtml && inst.yearshtml ){
+                                       inst.dpDiv.find('select.ui-datepicker-year:first').replaceWith(inst.yearshtml);
+                               }
+                               origyearshtml = inst.yearshtml = null;
+                       }, 0);
+               }
+       },
+
+       /* Retrieve the size of left and top borders for an element.
+          @param  elem  (jQuery object) the element of interest
+          @return  (number[2]) the left and top borders */
+       _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')))];
+       },
+
+       /* Check positioning to remain on screen. */
+       _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;
+
+               // now check if datepicker is showing outside window viewport - move to a better place if so.
+               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;
+       },
+
+       /* Find an object's position on the screen. */
+       _findPos: function(obj) {
+               var inst = this._getInst(obj);
+               var isRTL = this._get(inst, 'isRTL');
+        while (obj && (obj.type == 'hidden' || obj.nodeType != 1 || $.expr.filters.hidden(obj))) {
+            obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
+        }
+        var position = $(obj).offset();
+           return [position.left, position.top];
+       },
+
+       /* Trigger custom callback of onClose. */
+       _triggerOnClose: function(inst) {
+               var onClose = this._get(inst, 'onClose');
+               if (onClose)
+                       onClose.apply((inst.input ? inst.input[0] : null),
+                                                 [(inst.input ? inst.input.val() : ''), inst]);
+       },
+
+       /* Hide the date picker from view.
+          @param  input  element - the input field attached to the date picker */
+       _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();
+                       $.datepicker._triggerOnClose(inst);
+                       this._datepickerShowing = false;
+                       this._lastInput = null;
+                       if (this._inDialog) {
+                               this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
+                               if ($.blockUI) {
+                                       $.unblockUI();
+                                       $('body').append(this.dpDiv);
+                               }
+                       }
+                       this._inDialog = false;
+               }
+       },
+
+       /* Tidy up after a dialog display. */
+       _tidyDialog: function(inst) {
+               inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
+       },
+
+       /* Close date picker if clicked elsewhere. */
+       _checkExternalClick: function(event) {
+               if (!$.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();
+       },
+
+       /* Adjust one of the date sub-fields. */
+       _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), // undo positioning
+                       period);
+               this._updateDatepicker(inst);
+       },
+
+       /* Action for current link. */
+       _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);
+       },
+
+       /* Action for selecting a new month/year. */
+       _selectMonthYear: function(id, select, period) {
+               var target = $(id);
+               var inst = this._getInst(target[0]);
+               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);
+       },
+
+       /* Action for selecting a day. */
+       _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));
+       },
+
+       /* Erase the input field and hide the date picker. */
+       _clearDate: function(id) {
+               var target = $(id);
+               var inst = this._getInst(target[0]);
+               this._selectDate(target, '');
+       },
+
+       /* Update the input field with the selected date. */
+       _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]);  // trigger custom callback
+               else if (inst.input)
+                       inst.input.trigger('change'); // fire the change event
+               if (inst.inline)
+                       this._updateDatepicker(inst);
+               else {
+                       this._hideDatepicker();
+                       this._lastInput = inst.input[0];
+                       if (typeof(inst.input[0]) != 'object')
+                               inst.input.focus(); // restore focus
+                       this._lastInput = null;
+               }
+       },
+
+       /* Update any alternate field to synchronise with the main field. */
+       _updateAlternate: function(inst) {
+               var altField = this._get(inst, 'altField');
+               if (altField) { // update alternate field too
+                       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); });
+               }
+       },
+
+       /* Set as beforeShowDay function to prevent selection of weekends.
+          @param  date  Date - the date to customise
+          @return [boolean, string] - is this date selectable?, what is its CSS class? */
+       noWeekends: function(date) {
+               var day = date.getDay();
+               return [(day > 0 && day < 6), ''];
+       },
+
+       /* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
+          @param  date  Date - the date to get the week for
+          @return  number - the number of the week within the year that contains this date */
+       iso8601Week: function(date) {
+               var checkDate = new Date(date.getTime());
+               // Find Thursday of this week starting on Monday
+               checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));
+               var time = checkDate.getTime();
+               checkDate.setMonth(0); // Compare with Jan 1
+               checkDate.setDate(1);
+               return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
+       },
+
+       /* Parse a string value into a date object.
+          See formatDate below for the possible formats.
+
+          @param  format    string - the expected format of the date
+          @param  value     string - the date in the above format
+          @param  settings  Object - attributes include:
+                            shortYearCutoff  number - the cutoff year for determining the century (optional)
+                            dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)
+                            dayNames         string[7] - names of the days from Sunday (optional)
+                            monthNamesShort  string[12] - abbreviated names of the months (optional)
+                            monthNames       string[12] - names of the months (optional)
+          @return  Date - the extracted date value or null if value is blank */
+       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;
+               shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
+                               new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
+               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;
+               // Check whether a format character is doubled
+               var lookAhead = function(match) {
+                       var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
+                       if (matches)
+                               iFormat++;
+                       return matches;
+               };
+               // Extract a number from the string value
+               var getNumber = function(match) {
+                       var isDoubled = lookAhead(match);
+                       var size = (match == '@' ? 14 : (match == '!' ? 20 :
+                               (match == 'y' && isDoubled ? 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);
+               };
+               // Extract a name from the string value and convert to an index
+               var getName = function(match, shortNames, longNames) {
+                       var names = $.map(lookAhead(match) ? longNames : shortNames, function (v, k) {
+                               return [ [k, v] ];
+                       }).sort(function (a, b) {
+                               return -(a[1].length - b[1].length);
+                       });
+                       var index = -1;
+                       $.each(names, function (i, pair) {
+                               var name = pair[1];
+                               if (value.substr(iValue, name.length).toLowerCase() == name.toLowerCase()) {
+                                       index = pair[0];
+                                       iValue += name.length;
+                                       return false;
+                               }
+                       });
+                       if (index != -1)
+                               return index + 1;
+                       else
+                               throw 'Unknown name at position ' + iValue;
+               };
+               // Confirm that a literal character matches the string value
+               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 (iValue < value.length){
+                       throw "Extra/unparsed characters found in date: " + value.substring(iValue);
+               }
+               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'; // E.g. 31/02/00
+               return date;
+       },
+
+       /* Standard date formats. */
+       ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
+       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', // RFC 822
+       TICKS: '!',
+       TIMESTAMP: '@',
+       W3C: 'yy-mm-dd', // ISO 8601
+
+       _ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
+               Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
+
+       /* Format a date object into a string value.
+          The format can be combinations of the following:
+          d  - day of month (no leading zero)
+          dd - day of month (two digit)
+          o  - day of year (no leading zeros)
+          oo - day of year (three digit)
+          D  - day name short
+          DD - day name long
+          m  - month of year (no leading zero)
+          mm - month of year (two digit)
+          M  - month name short
+          MM - month name long
+          y  - year (two digit)
+          yy - year (four digit)
+          @ - Unix timestamp (ms since 01/01/1970)
+          ! - Windows ticks (100ns since 01/01/0001)
+          '...' - literal text
+          '' - single quote
+
+          @param  format    string - the desired format of the date
+          @param  date      Date - the date value to format
+          @param  settings  Object - attributes include:
+                            dayNamesShort    string[7] - abbreviated names of the days from Sunday (optional)
+                            dayNames         string[7] - names of the days from Sunday (optional)
+                            monthNamesShort  string[12] - abbreviated names of the months (optional)
+                            monthNames       string[12] - names of the months (optional)
+          @return  string - the date in the above format */
+       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;
+               // Check whether a format character is doubled
+               var lookAhead = function(match) {
+                       var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
+                       if (matches)
+                               iFormat++;
+                       return matches;
+               };
+               // Format a number, with leading zero if necessary
+               var formatNumber = function(match, value, len) {
+                       var num = '' + value;
+                       if (lookAhead(match))
+                               while (num.length < len)
+                                       num = '0' + num;
+                       return num;
+               };
+               // Format a name, short or long as requested
+               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',
+                                                               Math.round((new Date(date.getFullYear(), date.getMonth(), date.getDate()).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;
+       },
+
+       /* Extract all possible characters from the date format. */
+       _possibleChars: function (format) {
+               var chars = '';
+               var literal = false;
+               // Check whether a format character is doubled
+               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; // Accept anything
+                                       case "'":
+                                               if (lookAhead("'"))
+                                                       chars += "'";
+                                               else
+                                                       literal = true;
+                                               break;
+                                       default:
+                                               chars += format.charAt(iFormat);
+                               }
+               return chars;
+       },
+
+       /* Get a setting value, defaulting if necessary. */
+       _get: function(inst, name) {
+               return inst.settings[name] !== undefined ?
+                       inst.settings[name] : this._defaults[name];
+       },
+
+       /* Parse existing date and initialise date picker. */
+       _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);
+       },
+
+       /* Retrieve the default date shown on opening. */
+       _getDefaultDate: function(inst) {
+               return this._restrictMinMax(inst,
+                       this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()));
+       },
+
+       /* A date may be specified as an exact value or a relative one. */
+       _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) {
+                               // Ignore
+                       }
+                       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);
+               };
+               var newDate = (date == null || date === '' ? defaultDate : (typeof date == 'string' ? offsetString(date) :
+                       (typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : new Date(date.getTime()))));
+               newDate = (newDate && newDate.toString() == 'Invalid Date' ? defaultDate : newDate);
+               if (newDate) {
+                       newDate.setHours(0);
+                       newDate.setMinutes(0);
+                       newDate.setSeconds(0);
+                       newDate.setMilliseconds(0);
+               }
+               return this._daylightSavingAdjust(newDate);
+       },
+
+       /* Handle switch to/from daylight saving.
+          Hours may be non-zero on daylight saving cut-over:
+          > 12 when midnight changeover, but then cannot generate
+          midnight datetime, so jump to 1AM, otherwise reset.
+          @param  date  (Date) the date to check
+          @return  (Date) the corrected date */
+       _daylightSavingAdjust: function(date) {
+               if (!date) return null;
+               date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
+               return date;
+       },
+
+       /* Set the date(s) directly. */
+       _setDate: function(inst, date, noChange) {
+               var clear = !date;
+               var origMonth = inst.selectedMonth;
+               var origYear = inst.selectedYear;
+               var newDate = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
+               inst.selectedDay = inst.currentDay = newDate.getDate();
+               inst.drawMonth = inst.selectedMonth = inst.currentMonth = newDate.getMonth();
+               inst.drawYear = inst.selectedYear = inst.currentYear = newDate.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));
+               }
+       },
+
+       /* Retrieve the date(s) directly. */
+       _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;
+       },
+
+       /* Generate the HTML for the current state of the date picker. */
+       _generateHTML: function(inst) {
+               var today = new Date();
+               today = this._daylightSavingAdjust(
+                       new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
+               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 = '';
+                       this.maxRows = 4;
+                       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) + // draw month headers
+                                       '</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++) { // days of the week
+                                       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 curRows = Math.ceil((leadDays + daysInMonth) / 7); // calculate the number of rows to generate
+                               var numRows = (isMultiMonth ? this.maxRows > curRows ? this.maxRows : curRows : curRows); //If multiple months, use the higher number of rows (see #7043)
+                               this.maxRows = numRows;
+                               var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
+                               for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
+                                       calender += '<tr>';
+                                       var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' +
+                                               this._get(inst, 'calculateWeek')(printDate) + '</td>');
+                                       for (var dow = 0; dow < 7; dow++) { // create date picker days
+                                               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' : '') + // highlight weekends
+                                                       (otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
+                                                       ((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) || // user pressed key
+                                                       (defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
+                                                       // or defaultDate is current printedDate and defaultDate is selectedDate
+                                                       ' ' + this._dayOverClass : '') + // highlight selected day
+                                                       (unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') +  // highlight unselectable days
+                                                       (otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
+                                                       (printDate.getTime() == currentDate.getTime() ? ' ' + this._currentClass : '') + // highlight selected day
+                                                       (printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
+                                                       ((!otherMonth || showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
+                                                       (unselectable ? '' : ' onclick="DP_jQuery_' + dpuuid + '.datepicker._selectDay(\'#' +
+                                                       inst.id + '\',' + printDate.getMonth() + ',' + printDate.getFullYear() + ', this);return false;"') + '>' + // actions
+                                                       (otherMonth && !showOtherMonths ? '&#xa0;' : // display for other months
+                                                       (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' : '') + // highlight selected day
+                                                       (otherMonth ? ' ui-priority-secondary' : '') + // distinguish dates from other months
+                                                       '" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display selectable date
+                                               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;
+       },
+
+       /* Generate the month and year header. */
+       _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 = '';
+               // month selection
+               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\');" ' +
+                               '>';
+                       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;' : '');
+               // year selection
+               if ( !inst.yearshtml ) {
+                       inst.yearshtml = '';
+                       if (secondary || !changeYear)
+                               html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
+                       else {
+                               // determine range of years to display
+                               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);
+                               inst.yearshtml += '<select class="ui-datepicker-year" ' +
+                                       'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
+                                       '>';
+                               for (; year <= endYear; year++) {
+                                       inst.yearshtml += '<option value="' + year + '"' +
+                                               (year == drawYear ? ' selected="selected"' : '') +
+                                               '>' + year + '</option>';
+                               }
+                               inst.yearshtml += '</select>';
+                               
+                               html += inst.yearshtml;
+                               inst.yearshtml = null;
+                       }
+               }
+               html += this._get(inst, 'yearSuffix');
+               if (showMonthAfterYear)
+                       html += (secondary || !(changeMonth && changeYear) ? '&#xa0;' : '') + monthHtml;
+               html += '</div>'; // Close datepicker_header
+               return html;
+       },
+
+       /* Adjust one of the date sub-fields. */
+       _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);
+       },
+
+       /* Ensure a date is within any min/max bounds. */
+       _restrictMinMax: function(inst, date) {
+               var minDate = this._getMinMaxDate(inst, 'min');
+               var maxDate = this._getMinMaxDate(inst, 'max');
+               var newDate = (minDate && date < minDate ? minDate : date);
+               newDate = (maxDate && newDate > maxDate ? maxDate : newDate);
+               return newDate;
+       },
+
+       /* Notify change of month/year. */
+       _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]);
+       },
+
+       /* Determine the number of months to show. */
+       _getNumberOfMonths: function(inst) {
+               var numMonths = this._get(inst, 'numberOfMonths');
+               return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
+       },
+
+       /* Determine the current maximum date - ensure no time components are set. */
+       _getMinMaxDate: function(inst, minMax) {
+               return this._determineDate(inst, this._get(inst, minMax + 'Date'), null);
+       },
+
+       /* Find the number of days in a given month. */
+       _getDaysInMonth: function(year, month) {
+               return 32 - this._daylightSavingAdjust(new Date(year, month, 32)).getDate();
+       },
+
+       /* Find the day of the week of the first of a month. */
+       _getFirstDayOfMonth: function(year, month) {
+               return new Date(year, month, 1).getDay();
+       },
+
+       /* Determines if we should allow a "next/prev" month display change. */
+       _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);
+       },
+
+       /* Is the given date in the accepted range? */
+       _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()));
+       },
+
+       /* Provide the configuration settings for formatting/parsing. */
+       _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')};
+       },
+
+       /* Format the given date for display. */
+       _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));
+       }
+});
+
+/*
+ * Bind hover events for datepicker elements.
+ * Done via delegate so the binding only occurs once in the lifetime of the parent div.
+ * Global instActive, set by _updateDatepicker allows the handlers to find their way back to the active picker.
+ */ 
+function bindHover(dpDiv) {
+       var selector = 'button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a';
+       return dpDiv.bind('mouseout', function(event) {
+                       var elem = $( event.target ).closest( selector );
+                       if ( !elem.length ) {
+                               return;
+                       }
+                       elem.removeClass( "ui-state-hover ui-datepicker-prev-hover ui-datepicker-next-hover" );
+               })
+               .bind('mouseover', function(event) {
+                       var elem = $( event.target ).closest( selector );
+                       if ($.datepicker._isDisabledDatepicker( instActive.inline ? dpDiv.parent()[0] : instActive.input[0]) ||
+                                       !elem.length ) {
+                               return;
+                       }
+                       elem.parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
+                       elem.addClass('ui-state-hover');
+                       if (elem.hasClass('ui-datepicker-prev')) elem.addClass('ui-datepicker-prev-hover');
+                       if (elem.hasClass('ui-datepicker-next')) elem.addClass('ui-datepicker-next-hover');
+               });
+}
+
+/* jQuery extend now ignores nulls! */
+function extendRemove(target, props) {
+       $.extend(target, props);
+       for (var name in props)
+               if (props[name] == null || props[name] == undefined)
+                       target[name] = props[name];
+       return target;
+};
+
+/* Determine whether an object is an array. */
+function isArray(a) {
+       return (a && (($.browser.safari && typeof a == 'object' && a.length) ||
+               (a.constructor && a.constructor.toString().match(/\Array\(\)/))));
+};
+
+/* Invoke the datepicker functionality.
+   @param  options  string - a command, optionally followed by additional parameters or
+                    Object - settings for attaching new datepicker functionality
+   @return  jQuery object */
+$.fn.datepicker = function(options){
+       
+       /* Verify an empty collection wasn't passed - Fixes #6976 */
+       if ( !this.length ) {
+               return this;
+       }
+       
+       /* Initialise the date picker. */
+       if (!$.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(); // singleton instance
+$.datepicker.initialized = false;
+$.datepicker.uuid = new Date().getTime();
+$.datepicker.version = "1.8.16";
+
+// Workaround for #4055
+// Add another global to avoid noConflict issues with inline event handlers
+window['DP_jQuery_' + dpuuid] = $;
+
+})(jQuery);