1 /*!

     2  * jQuery UI Datepicker 1.10.3

     3  * http://jqueryui.com

     4  *

     5  * Copyright 2013 jQuery Foundation and other contributors

     6  * Released under the MIT license.

     7  * http://jquery.org/license

     8  *

     9  * http://api.jqueryui.com/datepicker/

    10  *

    11  * Depends:

    12  *	jquery.ui.core.js

    13  */

    14 (function( $, undefined ) {

    15 

    16 $.extend($.ui, { datepicker: { version: "1.10.3" } });

    17 

    18 var PROP_NAME = "datepicker",

    19 	instActive;

    20 

    21 /* Date picker manager.

    22    Use the singleton instance of this class, $.datepicker, to interact with the date picker.

    23    Settings for (groups of) date pickers are maintained in an instance object,

    24    allowing multiple different settings on the same page. */

    25 

    26 function Datepicker() {

    27 	this._curInst = null; // The current instance in use

    28 	this._keyEvent = false; // If the last event was a key event

    29 	this._disabledInputs = []; // List of date picker inputs that have been disabled

    30 	this._datepickerShowing = false; // True if the popup picker is showing , false if not

    31 	this._inDialog = false; // True if showing within a "dialog", false if not

    32 	this._mainDivId = "ui-datepicker-div"; // The ID of the main datepicker division

    33 	this._inlineClass = "ui-datepicker-inline"; // The name of the inline marker class

    34 	this._appendClass = "ui-datepicker-append"; // The name of the append marker class

    35 	this._triggerClass = "ui-datepicker-trigger"; // The name of the trigger marker class

    36 	this._dialogClass = "ui-datepicker-dialog"; // The name of the dialog marker class

    37 	this._disableClass = "ui-datepicker-disabled"; // The name of the disabled covering marker class

    38 	this._unselectableClass = "ui-datepicker-unselectable"; // The name of the unselectable cell marker class

    39 	this._currentClass = "ui-datepicker-current-day"; // The name of the current day marker class

    40 	this._dayOverClass = "ui-datepicker-days-cell-over"; // The name of the day hover marker class

    41 	this.regional = []; // Available regional settings, indexed by language code

    42 	this.regional[""] = { // Default regional settings

    43 		closeText: "Done", // Display text for close link

    44 		prevText: "Prev", // Display text for previous month link

    45 		nextText: "Next", // Display text for next month link

    46 		currentText: "Today", // Display text for current month link

    47 		monthNames: ["January","February","March","April","May","June",

    48 			"July","August","September","October","November","December"], // Names of months for drop-down and formatting

    49 		monthNamesShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"], // For formatting

    50 		dayNames: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"], // For formatting

    51 		dayNamesShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"], // For formatting

    52 		dayNamesMin: ["Su","Mo","Tu","We","Th","Fr","Sa"], // Column headings for days starting at Sunday

    53 		weekHeader: "Wk", // Column header for week of the year

    54 		dateFormat: "mm/dd/yy", // See format options on parseDate

    55 		firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...

    56 		isRTL: false, // True if right-to-left language, false if left-to-right

    57 		showMonthAfterYear: false, // True if the year select precedes month, false for month then year

    58 		yearSuffix: "" // Additional text to append to the year in the month headers

    59 	};

    60 	this._defaults = { // Global defaults for all the date picker instances

    61 		showOn: "focus", // "focus" for popup on focus,

    62 			// "button" for trigger button, or "both" for either

    63 		showAnim: "fadeIn", // Name of jQuery animation for popup

    64 		showOptions: {}, // Options for enhanced animations

    65 		defaultDate: null, // Used when field is blank: actual date,

    66 			// +/-number for offset from today, null for today

    67 		appendText: "", // Display text following the input box, e.g. showing the format

    68 		buttonText: "...", // Text for trigger button

    69 		buttonImage: "", // URL for trigger button image

    70 		buttonImageOnly: false, // True if the image appears alone, false if it appears on a button

    71 		hideIfNoPrevNext: false, // True to hide next/previous month links

    72 			// if not applicable, false to just disable them

    73 		navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links

    74 		gotoCurrent: false, // True if today link goes back to current selection instead

    75 		changeMonth: false, // True if month can be selected directly, false if only prev/next

    76 		changeYear: false, // True if year can be selected directly, false if only prev/next

    77 		yearRange: "c-10:c+10", // Range of years to display in drop-down,

    78 			// either relative to today's year (-nn:+nn), relative to currently displayed year

    79 			// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)

    80 		showOtherMonths: false, // True to show dates in other months, false to leave blank

    81 		selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable

    82 		showWeek: false, // True to show week of the year, false to not show it

    83 		calculateWeek: this.iso8601Week, // How to calculate the week of the year,

    84 			// takes a Date and returns the number of the week for it

    85 		shortYearCutoff: "+10", // Short year values < this are in the current century,

    86 			// > this are in the previous century,

    87 			// string value starting with "+" for current year + value

    88 		minDate: null, // The earliest selectable date, or null for no limit

    89 		maxDate: null, // The latest selectable date, or null for no limit

    90 		duration: "fast", // Duration of display/closure

    91 		beforeShowDay: null, // Function that takes a date and returns an array with

    92 			// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or "",

    93 			// [2] = cell title (optional), e.g. $.datepicker.noWeekends

    94 		beforeShow: null, // Function that takes an input field and

    95 			// returns a set of custom settings for the date picker

    96 		onSelect: null, // Define a callback function when a date is selected

    97 		onChangeMonthYear: null, // Define a callback function when the month or year is changed

    98 		onClose: null, // Define a callback function when the datepicker is closed

    99 		numberOfMonths: 1, // Number of months to show at a time

   100 		showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)

   101 		stepMonths: 1, // Number of months to step back/forward

   102 		stepBigMonths: 12, // Number of months to step back/forward for the big links

   103 		altField: "", // Selector for an alternate field to store selected dates into

   104 		altFormat: "", // The date format to use for the alternate field

   105 		constrainInput: true, // The input is constrained by the current date format

   106 		showButtonPanel: false, // True to show button panel, false to not show it

   107 		autoSize: false, // True to size the input for the date format, false to leave as is

   108 		disabled: false // The initial disabled state

   109 	};

   110 	$.extend(this._defaults, this.regional[""]);

   111 	this.dpDiv = bindHover($("<div id='" + this._mainDivId + "' class='ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>"));

   112 }

   113 

   114 $.extend(Datepicker.prototype, {

   115 	/* Class name added to elements to indicate already configured with a date picker. */

   116 	markerClassName: "hasDatepicker",

   117 

   118 	//Keep track of the maximum number of rows displayed (see #7043)

   119 	maxRows: 4,

   120 

   121 	// TODO rename to "widget" when switching to widget factory

   122 	_widgetDatepicker: function() {

   123 		return this.dpDiv;

   124 	},

   125 

   126 	/* Override the default settings for all instances of the date picker.

   127 	 * @param  settings  object - the new settings to use as defaults (anonymous object)

   128 	 * @return the manager object

   129 	 */

   130 	setDefaults: function(settings) {

   131 		extendRemove(this._defaults, settings || {});

   132 		return this;

   133 	},

   134 

   135 	/* Attach the date picker to a jQuery selection.

   136 	 * @param  target	element - the target input field or division or span

   137 	 * @param  settings  object - the new settings to use for this date picker instance (anonymous)

   138 	 */

   139 	_attachDatepicker: function(target, settings) {

   140 		var nodeName, inline, inst;

   141 		nodeName = target.nodeName.toLowerCase();

   142 		inline = (nodeName === "div" || nodeName === "span");

   143 		if (!target.id) {

   144 			this.uuid += 1;

   145 			target.id = "dp" + this.uuid;

   146 		}

   147 		inst = this._newInst($(target), inline);

   148 		inst.settings = $.extend({}, settings || {});

   149 		if (nodeName === "input") {

   150 			this._connectDatepicker(target, inst);

   151 		} else if (inline) {

   152 			this._inlineDatepicker(target, inst);

   153 		}

   154 	},

   155 

   156 	/* Create a new instance object. */

   157 	_newInst: function(target, inline) {

   158 		var id = target[0].id.replace(/([^A-Za-z0-9_\-])/g, "\\\\$1"); // escape jQuery meta chars

   159 		return {id: id, input: target, // associated target

   160 			selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection

   161 			drawMonth: 0, drawYear: 0, // month being drawn

   162 			inline: inline, // is datepicker inline or not

   163 			dpDiv: (!inline ? this.dpDiv : // presentation div

   164 			bindHover($("<div class='" + this._inlineClass + " ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all'></div>")))};

   165 	},

   166 

   167 	/* Attach the date picker to an input field. */

   168 	_connectDatepicker: function(target, inst) {

   169 		var input = $(target);

   170 		inst.append = $([]);

   171 		inst.trigger = $([]);

   172 		if (input.hasClass(this.markerClassName)) {

   173 			return;

   174 		}

   175 		this._attachments(input, inst);

   176 		input.addClass(this.markerClassName).keydown(this._doKeyDown).

   177 			keypress(this._doKeyPress).keyup(this._doKeyUp);

   178 		this._autoSize(inst);

   179 		$.data(target, PROP_NAME, inst);

   180 		//If disabled option is true, disable the datepicker once it has been attached to the input (see ticket #5665)

   181 		if( inst.settings.disabled ) {

   182 			this._disableDatepicker( target );

   183 		}

   184 	},

   185 

   186 	/* Make attachments based on settings. */

   187 	_attachments: function(input, inst) {

   188 		var showOn, buttonText, buttonImage,

   189 			appendText = this._get(inst, "appendText"),

   190 			isRTL = this._get(inst, "isRTL");

   191 

   192 		if (inst.append) {

   193 			inst.append.remove();

   194 		}

   195 		if (appendText) {

   196 			inst.append = $("<span class='" + this._appendClass + "'>" + appendText + "</span>");

   197 			input[isRTL ? "before" : "after"](inst.append);

   198 		}

   199 

   200 		input.unbind("focus", this._showDatepicker);

   201 

   202 		if (inst.trigger) {

   203 			inst.trigger.remove();

   204 		}

   205 

   206 		showOn = this._get(inst, "showOn");

   207 		if (showOn === "focus" || showOn === "both") { // pop-up date picker when in the marked field

   208 			input.focus(this._showDatepicker);

   209 		}

   210 		if (showOn === "button" || showOn === "both") { // pop-up date picker when button clicked

   211 			buttonText = this._get(inst, "buttonText");

   212 			buttonImage = this._get(inst, "buttonImage");

   213 			inst.trigger = $(this._get(inst, "buttonImageOnly") ?

   214 				$("<img/>").addClass(this._triggerClass).

   215 					attr({ src: buttonImage, alt: buttonText, title: buttonText }) :

   216 				$("<button type='button'></button>").addClass(this._triggerClass).

   217 					html(!buttonImage ? buttonText : $("<img/>").attr(

   218 					{ src:buttonImage, alt:buttonText, title:buttonText })));

   219 			input[isRTL ? "before" : "after"](inst.trigger);

   220 			inst.trigger.click(function() {

   221 				if ($.datepicker._datepickerShowing && $.datepicker._lastInput === input[0]) {

   222 					$.datepicker._hideDatepicker();

   223 				} else if ($.datepicker._datepickerShowing && $.datepicker._lastInput !== input[0]) {

   224 					$.datepicker._hideDatepicker();

   225 					$.datepicker._showDatepicker(input[0]);

   226 				} else {

   227 					$.datepicker._showDatepicker(input[0]);

   228 				}

   229 				return false;

   230 			});

   231 		}

   232 	},

   233 

   234 	/* Apply the maximum length for the date format. */

   235 	_autoSize: function(inst) {

   236 		if (this._get(inst, "autoSize") && !inst.inline) {

   237 			var findMax, max, maxI, i,

   238 				date = new Date(2009, 12 - 1, 20), // Ensure double digits

   239 				dateFormat = this._get(inst, "dateFormat");

   240 

   241 			if (dateFormat.match(/[DM]/)) {

   242 				findMax = function(names) {

   243 					max = 0;

   244 					maxI = 0;

   245 					for (i = 0; i < names.length; i++) {

   246 						if (names[i].length > max) {

   247 							max = names[i].length;

   248 							maxI = i;

   249 						}

   250 					}

   251 					return maxI;

   252 				};

   253 				date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?

   254 					"monthNames" : "monthNamesShort"))));

   255 				date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?

   256 					"dayNames" : "dayNamesShort"))) + 20 - date.getDay());

   257 			}

   258 			inst.input.attr("size", this._formatDate(inst, date).length);

   259 		}

   260 	},

   261 

   262 	/* Attach an inline date picker to a div. */

   263 	_inlineDatepicker: function(target, inst) {

   264 		var divSpan = $(target);

   265 		if (divSpan.hasClass(this.markerClassName)) {

   266 			return;

   267 		}

   268 		divSpan.addClass(this.markerClassName).append(inst.dpDiv);

   269 		$.data(target, PROP_NAME, inst);

   270 		this._setDate(inst, this._getDefaultDate(inst), true);

   271 		this._updateDatepicker(inst);

   272 		this._updateAlternate(inst);

   273 		//If disabled option is true, disable the datepicker before showing it (see ticket #5665)

   274 		if( inst.settings.disabled ) {

   275 			this._disableDatepicker( target );

   276 		}

   277 		// Set display:block in place of inst.dpDiv.show() which won't work on disconnected elements

   278 		// http://bugs.jqueryui.com/ticket/7552 - A Datepicker created on a detached div has zero height

   279 		inst.dpDiv.css( "display", "block" );

   280 	},

   281 

   282 	/* Pop-up the date picker in a "dialog" box.

   283 	 * @param  input element - ignored

   284 	 * @param  date	string or Date - the initial date to display

   285 	 * @param  onSelect  function - the function to call when a date is selected

   286 	 * @param  settings  object - update the dialog date picker instance's settings (anonymous object)

   287 	 * @param  pos int[2] - coordinates for the dialog's position within the screen or

   288 	 *					event - with x/y coordinates or

   289 	 *					leave empty for default (screen centre)

   290 	 * @return the manager object

   291 	 */

   292 	_dialogDatepicker: function(input, date, onSelect, settings, pos) {

   293 		var id, browserWidth, browserHeight, scrollX, scrollY,

   294 			inst = this._dialogInst; // internal instance

   295 

   296 		if (!inst) {

   297 			this.uuid += 1;

   298 			id = "dp" + this.uuid;

   299 			this._dialogInput = $("<input type='text' id='" + id +

   300 				"' style='position: absolute; top: -100px; width: 0px;'/>");

   301 			this._dialogInput.keydown(this._doKeyDown);

   302 			$("body").append(this._dialogInput);

   303 			inst = this._dialogInst = this._newInst(this._dialogInput, false);

   304 			inst.settings = {};

   305 			$.data(this._dialogInput[0], PROP_NAME, inst);

   306 		}

   307 		extendRemove(inst.settings, settings || {});

   308 		date = (date && date.constructor === Date ? this._formatDate(inst, date) : date);

   309 		this._dialogInput.val(date);

   310 

   311 		this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);

   312 		if (!this._pos) {

   313 			browserWidth = document.documentElement.clientWidth;

   314 			browserHeight = document.documentElement.clientHeight;

   315 			scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;

   316 			scrollY = document.documentElement.scrollTop || document.body.scrollTop;

   317 			this._pos = // should use actual width/height below

   318 				[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];

   319 		}

   320 

   321 		// move input on screen for focus, but hidden behind dialog

   322 		this._dialogInput.css("left", (this._pos[0] + 20) + "px").css("top", this._pos[1] + "px");

   323 		inst.settings.onSelect = onSelect;

   324 		this._inDialog = true;

   325 		this.dpDiv.addClass(this._dialogClass);

   326 		this._showDatepicker(this._dialogInput[0]);

   327 		if ($.blockUI) {

   328 			$.blockUI(this.dpDiv);

   329 		}

   330 		$.data(this._dialogInput[0], PROP_NAME, inst);

   331 		return this;

   332 	},

   333 

   334 	/* Detach a datepicker from its control.

   335 	 * @param  target	element - the target input field or division or span

   336 	 */

   337 	_destroyDatepicker: function(target) {

   338 		var nodeName,

   339 			$target = $(target),

   340 			inst = $.data(target, PROP_NAME);

   341 

   342 		if (!$target.hasClass(this.markerClassName)) {

   343 			return;

   344 		}

   345 

   346 		nodeName = target.nodeName.toLowerCase();

   347 		$.removeData(target, PROP_NAME);

   348 		if (nodeName === "input") {

   349 			inst.append.remove();

   350 			inst.trigger.remove();

   351 			$target.removeClass(this.markerClassName).

   352 				unbind("focus", this._showDatepicker).

   353 				unbind("keydown", this._doKeyDown).

   354 				unbind("keypress", this._doKeyPress).

   355 				unbind("keyup", this._doKeyUp);

   356 		} else if (nodeName === "div" || nodeName === "span") {

   357 			$target.removeClass(this.markerClassName).empty();

   358 		}

   359 	},

   360 

   361 	/* Enable the date picker to a jQuery selection.

   362 	 * @param  target	element - the target input field or division or span

   363 	 */

   364 	_enableDatepicker: function(target) {

   365 		var nodeName, inline,

   366 			$target = $(target),

   367 			inst = $.data(target, PROP_NAME);

   368 

   369 		if (!$target.hasClass(this.markerClassName)) {

   370 			return;

   371 		}

   372 

   373 		nodeName = target.nodeName.toLowerCase();

   374 		if (nodeName === "input") {

   375 			target.disabled = false;

   376 			inst.trigger.filter("button").

   377 				each(function() { this.disabled = false; }).end().

   378 				filter("img").css({opacity: "1.0", cursor: ""});

   379 		} else if (nodeName === "div" || nodeName === "span") {

   380 			inline = $target.children("." + this._inlineClass);

   381 			inline.children().removeClass("ui-state-disabled");

   382 			inline.find("select.ui-datepicker-month, select.ui-datepicker-year").

   383 				prop("disabled", false);

   384 		}

   385 		this._disabledInputs = $.map(this._disabledInputs,

   386 			function(value) { return (value === target ? null : value); }); // delete entry

   387 	},

   388 

   389 	/* Disable the date picker to a jQuery selection.

   390 	 * @param  target	element - the target input field or division or span

   391 	 */

   392 	_disableDatepicker: function(target) {

   393 		var nodeName, inline,

   394 			$target = $(target),

   395 			inst = $.data(target, PROP_NAME);

   396 

   397 		if (!$target.hasClass(this.markerClassName)) {

   398 			return;

   399 		}

   400 

   401 		nodeName = target.nodeName.toLowerCase();

   402 		if (nodeName === "input") {

   403 			target.disabled = true;

   404 			inst.trigger.filter("button").

   405 				each(function() { this.disabled = true; }).end().

   406 				filter("img").css({opacity: "0.5", cursor: "default"});

   407 		} else if (nodeName === "div" || nodeName === "span") {

   408 			inline = $target.children("." + this._inlineClass);

   409 			inline.children().addClass("ui-state-disabled");

   410 			inline.find("select.ui-datepicker-month, select.ui-datepicker-year").

   411 				prop("disabled", true);

   412 		}

   413 		this._disabledInputs = $.map(this._disabledInputs,

   414 			function(value) { return (value === target ? null : value); }); // delete entry

   415 		this._disabledInputs[this._disabledInputs.length] = target;

   416 	},

   417 

   418 	/* Is the first field in a jQuery collection disabled as a datepicker?

   419 	 * @param  target	element - the target input field or division or span

   420 	 * @return boolean - true if disabled, false if enabled

   421 	 */

   422 	_isDisabledDatepicker: function(target) {

   423 		if (!target) {

   424 			return false;

   425 		}

   426 		for (var i = 0; i < this._disabledInputs.length; i++) {

   427 			if (this._disabledInputs[i] === target) {

   428 				return true;

   429 			}

   430 		}

   431 		return false;

   432 	},

   433 

   434 	/* Retrieve the instance data for the target control.

   435 	 * @param  target  element - the target input field or division or span

   436 	 * @return  object - the associated instance data

   437 	 * @throws  error if a jQuery problem getting data

   438 	 */

   439 	_getInst: function(target) {

   440 		try {

   441 			return $.data(target, PROP_NAME);

   442 		}

   443 		catch (err) {

   444 			throw "Missing instance data for this datepicker";

   445 		}

   446 	},

   447 

   448 	/* Update or retrieve the settings for a date picker attached to an input field or division.

   449 	 * @param  target  element - the target input field or division or span

   450 	 * @param  name	object - the new settings to update or

   451 	 *				string - the name of the setting to change or retrieve,

   452 	 *				when retrieving also "all" for all instance settings or

   453 	 *				"defaults" for all global defaults

   454 	 * @param  value   any - the new value for the setting

   455 	 *				(omit if above is an object or to retrieve a value)

   456 	 */

   457 	_optionDatepicker: function(target, name, value) {

   458 		var settings, date, minDate, maxDate,

   459 			inst = this._getInst(target);

   460 

   461 		if (arguments.length === 2 && typeof name === "string") {

   462 			return (name === "defaults" ? $.extend({}, $.datepicker._defaults) :

   463 				(inst ? (name === "all" ? $.extend({}, inst.settings) :

   464 				this._get(inst, name)) : null));

   465 		}

   466 

   467 		settings = name || {};

   468 		if (typeof name === "string") {

   469 			settings = {};

   470 			settings[name] = value;

   471 		}

   472 

   473 		if (inst) {

   474 			if (this._curInst === inst) {

   475 				this._hideDatepicker();

   476 			}

   477 

   478 			date = this._getDateDatepicker(target, true);

   479 			minDate = this._getMinMaxDate(inst, "min");

   480 			maxDate = this._getMinMaxDate(inst, "max");

   481 			extendRemove(inst.settings, settings);

   482 			// reformat the old minDate/maxDate values if dateFormat changes and a new minDate/maxDate isn't provided

   483 			if (minDate !== null && settings.dateFormat !== undefined && settings.minDate === undefined) {

   484 				inst.settings.minDate = this._formatDate(inst, minDate);

   485 			}

   486 			if (maxDate !== null && settings.dateFormat !== undefined && settings.maxDate === undefined) {

   487 				inst.settings.maxDate = this._formatDate(inst, maxDate);

   488 			}

   489 			if ( "disabled" in settings ) {

   490 				if ( settings.disabled ) {

   491 					this._disableDatepicker(target);

   492 				} else {

   493 					this._enableDatepicker(target);

   494 				}

   495 			}

   496 			this._attachments($(target), inst);

   497 			this._autoSize(inst);

   498 			this._setDate(inst, date);

   499 			this._updateAlternate(inst);

   500 			this._updateDatepicker(inst);

   501 		}

   502 	},

   503 

   504 	// change method deprecated

   505 	_changeDatepicker: function(target, name, value) {

   506 		this._optionDatepicker(target, name, value);

   507 	},

   508 

   509 	/* Redraw the date picker attached to an input field or division.

   510 	 * @param  target  element - the target input field or division or span

   511 	 */

   512 	_refreshDatepicker: function(target) {

   513 		var inst = this._getInst(target);

   514 		if (inst) {

   515 			this._updateDatepicker(inst);

   516 		}

   517 	},

   518 

   519 	/* Set the dates for a jQuery selection.

   520 	 * @param  target element - the target input field or division or span

   521 	 * @param  date	Date - the new date

   522 	 */

   523 	_setDateDatepicker: function(target, date) {

   524 		var inst = this._getInst(target);

   525 		if (inst) {

   526 			this._setDate(inst, date);

   527 			this._updateDatepicker(inst);

   528 			this._updateAlternate(inst);

   529 		}

   530 	},

   531 

   532 	/* Get the date(s) for the first entry in a jQuery selection.

   533 	 * @param  target element - the target input field or division or span

   534 	 * @param  noDefault boolean - true if no default date is to be used

   535 	 * @return Date - the current date

   536 	 */

   537 	_getDateDatepicker: function(target, noDefault) {

   538 		var inst = this._getInst(target);

   539 		if (inst && !inst.inline) {

   540 			this._setDateFromField(inst, noDefault);

   541 		}

   542 		return (inst ? this._getDate(inst) : null);

   543 	},

   544 

   545 	/* Handle keystrokes. */

   546 	_doKeyDown: function(event) {

   547 		var onSelect, dateStr, sel,

   548 			inst = $.datepicker._getInst(event.target),

   549 			handled = true,

   550 			isRTL = inst.dpDiv.is(".ui-datepicker-rtl");

   551 

   552 		inst._keyEvent = true;

   553 		if ($.datepicker._datepickerShowing) {

   554 			switch (event.keyCode) {

   555 				case 9: $.datepicker._hideDatepicker();

   556 						handled = false;

   557 						break; // hide on tab out

   558 				case 13: sel = $("td." + $.datepicker._dayOverClass + ":not(." +

   559 									$.datepicker._currentClass + ")", inst.dpDiv);

   560 						if (sel[0]) {

   561 							$.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);

   562 						}

   563 

   564 						onSelect = $.datepicker._get(inst, "onSelect");

   565 						if (onSelect) {

   566 							dateStr = $.datepicker._formatDate(inst);

   567 

   568 							// trigger custom callback

   569 							onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);

   570 						} else {

   571 							$.datepicker._hideDatepicker();

   572 						}

   573 

   574 						return false; // don't submit the form

   575 				case 27: $.datepicker._hideDatepicker();

   576 						break; // hide on escape

   577 				case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?

   578 							-$.datepicker._get(inst, "stepBigMonths") :

   579 							-$.datepicker._get(inst, "stepMonths")), "M");

   580 						break; // previous month/year on page up/+ ctrl

   581 				case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?

   582 							+$.datepicker._get(inst, "stepBigMonths") :

   583 							+$.datepicker._get(inst, "stepMonths")), "M");

   584 						break; // next month/year on page down/+ ctrl

   585 				case 35: if (event.ctrlKey || event.metaKey) {

   586 							$.datepicker._clearDate(event.target);

   587 						}

   588 						handled = event.ctrlKey || event.metaKey;

   589 						break; // clear on ctrl or command +end

   590 				case 36: if (event.ctrlKey || event.metaKey) {

   591 							$.datepicker._gotoToday(event.target);

   592 						}

   593 						handled = event.ctrlKey || event.metaKey;

   594 						break; // current on ctrl or command +home

   595 				case 37: if (event.ctrlKey || event.metaKey) {

   596 							$.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), "D");

   597 						}

   598 						handled = event.ctrlKey || event.metaKey;

   599 						// -1 day on ctrl or command +left

   600 						if (event.originalEvent.altKey) {

   601 							$.datepicker._adjustDate(event.target, (event.ctrlKey ?

   602 								-$.datepicker._get(inst, "stepBigMonths") :

   603 								-$.datepicker._get(inst, "stepMonths")), "M");

   604 						}

   605 						// next month/year on alt +left on Mac

   606 						break;

   607 				case 38: if (event.ctrlKey || event.metaKey) {

   608 							$.datepicker._adjustDate(event.target, -7, "D");

   609 						}

   610 						handled = event.ctrlKey || event.metaKey;

   611 						break; // -1 week on ctrl or command +up

   612 				case 39: if (event.ctrlKey || event.metaKey) {

   613 							$.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), "D");

   614 						}

   615 						handled = event.ctrlKey || event.metaKey;

   616 						// +1 day on ctrl or command +right

   617 						if (event.originalEvent.altKey) {

   618 							$.datepicker._adjustDate(event.target, (event.ctrlKey ?

   619 								+$.datepicker._get(inst, "stepBigMonths") :

   620 								+$.datepicker._get(inst, "stepMonths")), "M");

   621 						}

   622 						// next month/year on alt +right

   623 						break;

   624 				case 40: if (event.ctrlKey || event.metaKey) {

   625 							$.datepicker._adjustDate(event.target, +7, "D");

   626 						}

   627 						handled = event.ctrlKey || event.metaKey;

   628 						break; // +1 week on ctrl or command +down

   629 				default: handled = false;

   630 			}

   631 		} else if (event.keyCode === 36 && event.ctrlKey) { // display the date picker on ctrl+home

   632 			$.datepicker._showDatepicker(this);

   633 		} else {

   634 			handled = false;

   635 		}

   636 

   637 		if (handled) {

   638 			event.preventDefault();

   639 			event.stopPropagation();

   640 		}

   641 	},

   642 

   643 	/* Filter entered characters - based on date format. */

   644 	_doKeyPress: function(event) {

   645 		var chars, chr,

   646 			inst = $.datepicker._getInst(event.target);

   647 

   648 		if ($.datepicker._get(inst, "constrainInput")) {

   649 			chars = $.datepicker._possibleChars($.datepicker._get(inst, "dateFormat"));

   650 			chr = String.fromCharCode(event.charCode == null ? event.keyCode : event.charCode);

   651 			return event.ctrlKey || event.metaKey || (chr < " " || !chars || chars.indexOf(chr) > -1);

   652 		}

   653 	},

   654 

   655 	/* Synchronise manual entry and field/alternate field. */

   656 	_doKeyUp: function(event) {

   657 		var date,

   658 			inst = $.datepicker._getInst(event.target);

   659 

   660 		if (inst.input.val() !== inst.lastVal) {

   661 			try {

   662 				date = $.datepicker.parseDate($.datepicker._get(inst, "dateFormat"),

   663 					(inst.input ? inst.input.val() : null),

   664 					$.datepicker._getFormatConfig(inst));

   665 

   666 				if (date) { // only if valid

   667 					$.datepicker._setDateFromField(inst);

   668 					$.datepicker._updateAlternate(inst);

   669 					$.datepicker._updateDatepicker(inst);

   670 				}

   671 			}

   672 			catch (err) {

   673 			}

   674 		}

   675 		return true;

   676 	},

   677 

   678 	/* Pop-up the date picker for a given input field.

   679 	 * If false returned from beforeShow event handler do not show.

   680 	 * @param  input  element - the input field attached to the date picker or

   681 	 *					event - if triggered by focus

   682 	 */

   683 	_showDatepicker: function(input) {

   684 		input = input.target || input;

   685 		if (input.nodeName.toLowerCase() !== "input") { // find from button/image trigger

   686 			input = $("input", input.parentNode)[0];

   687 		}

   688 

   689 		if ($.datepicker._isDisabledDatepicker(input) || $.datepicker._lastInput === input) { // already here

   690 			return;

   691 		}

   692 

   693 		var inst, beforeShow, beforeShowSettings, isFixed,

   694 			offset, showAnim, duration;

   695 

   696 		inst = $.datepicker._getInst(input);

   697 		if ($.datepicker._curInst && $.datepicker._curInst !== inst) {

   698 			$.datepicker._curInst.dpDiv.stop(true, true);

   699 			if ( inst && $.datepicker._datepickerShowing ) {

   700 				$.datepicker._hideDatepicker( $.datepicker._curInst.input[0] );

   701 			}

   702 		}

   703 

   704 		beforeShow = $.datepicker._get(inst, "beforeShow");

   705 		beforeShowSettings = beforeShow ? beforeShow.apply(input, [input, inst]) : {};

   706 		if(beforeShowSettings === false){

   707 			return;

   708 		}

   709 		extendRemove(inst.settings, beforeShowSettings);

   710 

   711 		inst.lastVal = null;

   712 		$.datepicker._lastInput = input;

   713 		$.datepicker._setDateFromField(inst);

   714 

   715 		if ($.datepicker._inDialog) { // hide cursor

   716 			input.value = "";

   717 		}

   718 		if (!$.datepicker._pos) { // position below input

   719 			$.datepicker._pos = $.datepicker._findPos(input);

   720 			$.datepicker._pos[1] += input.offsetHeight; // add the height

   721 		}

   722 

   723 		isFixed = false;

   724 		$(input).parents().each(function() {

   725 			isFixed |= $(this).css("position") === "fixed";

   726 			return !isFixed;

   727 		});

   728 

   729 		offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};

   730 		$.datepicker._pos = null;

   731 		//to avoid flashes on Firefox

   732 		inst.dpDiv.empty();

   733 		// determine sizing offscreen

   734 		inst.dpDiv.css({position: "absolute", display: "block", top: "-1000px"});

   735 		$.datepicker._updateDatepicker(inst);

   736 		// fix width for dynamic number of date pickers

   737 		// and adjust position before showing

   738 		offset = $.datepicker._checkOffset(inst, offset, isFixed);

   739 		inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?

   740 			"static" : (isFixed ? "fixed" : "absolute")), display: "none",

   741 			left: offset.left + "px", top: offset.top + "px"});

   742 

   743 		if (!inst.inline) {

   744 			showAnim = $.datepicker._get(inst, "showAnim");

   745 			duration = $.datepicker._get(inst, "duration");

   746 			inst.dpDiv.zIndex($(input).zIndex()+1);

   747 			$.datepicker._datepickerShowing = true;

   748 

   749 			if ( $.effects && $.effects.effect[ showAnim ] ) {

   750 				inst.dpDiv.show(showAnim, $.datepicker._get(inst, "showOptions"), duration);

   751 			} else {

   752 				inst.dpDiv[showAnim || "show"](showAnim ? duration : null);

   753 			}

   754 

   755 			if ( $.datepicker._shouldFocusInput( inst ) ) {

   756 				inst.input.focus();

   757 			}

   758 

   759 			$.datepicker._curInst = inst;

   760 		}

   761 	},

   762 

   763 	/* Generate the date picker content. */

   764 	_updateDatepicker: function(inst) {

   765 		this.maxRows = 4; //Reset the max number of rows being displayed (see #7043)

   766 		instActive = inst; // for delegate hover events

   767 		inst.dpDiv.empty().append(this._generateHTML(inst));

   768 		this._attachHandlers(inst);

   769 		inst.dpDiv.find("." + this._dayOverClass + " a").mouseover();

   770 

   771 		var origyearshtml,

   772 			numMonths = this._getNumberOfMonths(inst),

   773 			cols = numMonths[1],

   774 			width = 17;

   775 

   776 		inst.dpDiv.removeClass("ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4").width("");

   777 		if (cols > 1) {

   778 			inst.dpDiv.addClass("ui-datepicker-multi-" + cols).css("width", (width * cols) + "em");

   779 		}

   780 		inst.dpDiv[(numMonths[0] !== 1 || numMonths[1] !== 1 ? "add" : "remove") +

   781 			"Class"]("ui-datepicker-multi");

   782 		inst.dpDiv[(this._get(inst, "isRTL") ? "add" : "remove") +

   783 			"Class"]("ui-datepicker-rtl");

   784 

   785 		if (inst === $.datepicker._curInst && $.datepicker._datepickerShowing && $.datepicker._shouldFocusInput( inst ) ) {

   786 			inst.input.focus();

   787 		}

   788 

   789 		// deffered render of the years select (to avoid flashes on Firefox)

   790 		if( inst.yearshtml ){

   791 			origyearshtml = inst.yearshtml;

   792 			setTimeout(function(){

   793 				//assure that inst.yearshtml didn't change.

   794 				if( origyearshtml === inst.yearshtml && inst.yearshtml ){

   795 					inst.dpDiv.find("select.ui-datepicker-year:first").replaceWith(inst.yearshtml);

   796 				}

   797 				origyearshtml = inst.yearshtml = null;

   798 			}, 0);

   799 		}

   800 	},

   801 

   802 	// #6694 - don't focus the input if it's already focused

   803 	// this breaks the change event in IE

   804 	// Support: IE and jQuery <1.9

   805 	_shouldFocusInput: function( inst ) {

   806 		return inst.input && inst.input.is( ":visible" ) && !inst.input.is( ":disabled" ) && !inst.input.is( ":focus" );

   807 	},

   808 

   809 	/* Check positioning to remain on screen. */

   810 	_checkOffset: function(inst, offset, isFixed) {

   811 		var dpWidth = inst.dpDiv.outerWidth(),

   812 			dpHeight = inst.dpDiv.outerHeight(),

   813 			inputWidth = inst.input ? inst.input.outerWidth() : 0,

   814 			inputHeight = inst.input ? inst.input.outerHeight() : 0,

   815 			viewWidth = document.documentElement.clientWidth + (isFixed ? 0 : $(document).scrollLeft()),

   816 			viewHeight = document.documentElement.clientHeight + (isFixed ? 0 : $(document).scrollTop());

   817 

   818 		offset.left -= (this._get(inst, "isRTL") ? (dpWidth - inputWidth) : 0);

   819 		offset.left -= (isFixed && offset.left === inst.input.offset().left) ? $(document).scrollLeft() : 0;

   820 		offset.top -= (isFixed && offset.top === (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;

   821 

   822 		// now check if datepicker is showing outside window viewport - move to a better place if so.

   823 		offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?

   824 			Math.abs(offset.left + dpWidth - viewWidth) : 0);

   825 		offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?

   826 			Math.abs(dpHeight + inputHeight) : 0);

   827 

   828 		return offset;

   829 	},

   830 

   831 	/* Find an object's position on the screen. */

   832 	_findPos: function(obj) {

   833 		var position,

   834 			inst = this._getInst(obj),

   835 			isRTL = this._get(inst, "isRTL");

   836 

   837 		while (obj && (obj.type === "hidden" || obj.nodeType !== 1 || $.expr.filters.hidden(obj))) {

   838 			obj = obj[isRTL ? "previousSibling" : "nextSibling"];

   839 		}

   840 

   841 		position = $(obj).offset();

   842 		return [position.left, position.top];

   843 	},

   844 

   845 	/* Hide the date picker from view.

   846 	 * @param  input  element - the input field attached to the date picker

   847 	 */

   848 	_hideDatepicker: function(input) {

   849 		var showAnim, duration, postProcess, onClose,

   850 			inst = this._curInst;

   851 

   852 		if (!inst || (input && inst !== $.data(input, PROP_NAME))) {

   853 			return;

   854 		}

   855 

   856 		if (this._datepickerShowing) {

   857 			showAnim = this._get(inst, "showAnim");

   858 			duration = this._get(inst, "duration");

   859 			postProcess = function() {

   860 				$.datepicker._tidyDialog(inst);

   861 			};

   862 

   863 			// DEPRECATED: after BC for 1.8.x $.effects[ showAnim ] is not needed

   864 			if ( $.effects && ( $.effects.effect[ showAnim ] || $.effects[ showAnim ] ) ) {

   865 				inst.dpDiv.hide(showAnim, $.datepicker._get(inst, "showOptions"), duration, postProcess);

   866 			} else {

   867 				inst.dpDiv[(showAnim === "slideDown" ? "slideUp" :

   868 					(showAnim === "fadeIn" ? "fadeOut" : "hide"))]((showAnim ? duration : null), postProcess);

   869 			}

   870 

   871 			if (!showAnim) {

   872 				postProcess();

   873 			}

   874 			this._datepickerShowing = false;

   875 

   876 			onClose = this._get(inst, "onClose");

   877 			if (onClose) {

   878 				onClose.apply((inst.input ? inst.input[0] : null), [(inst.input ? inst.input.val() : ""), inst]);

   879 			}

   880 

   881 			this._lastInput = null;

   882 			if (this._inDialog) {

   883 				this._dialogInput.css({ position: "absolute", left: "0", top: "-100px" });

   884 				if ($.blockUI) {

   885 					$.unblockUI();

   886 					$("body").append(this.dpDiv);

   887 				}

   888 			}

   889 			this._inDialog = false;

   890 		}

   891 	},

   892 

   893 	/* Tidy up after a dialog display. */

   894 	_tidyDialog: function(inst) {

   895 		inst.dpDiv.removeClass(this._dialogClass).unbind(".ui-datepicker-calendar");

   896 	},

   897 

   898 	/* Close date picker if clicked elsewhere. */

   899 	_checkExternalClick: function(event) {

   900 		if (!$.datepicker._curInst) {

   901 			return;

   902 		}

   903 

   904 		var $target = $(event.target),

   905 			inst = $.datepicker._getInst($target[0]);

   906 

   907 		if ( ( ( $target[0].id !== $.datepicker._mainDivId &&

   908 				$target.parents("#" + $.datepicker._mainDivId).length === 0 &&

   909 				!$target.hasClass($.datepicker.markerClassName) &&

   910 				!$target.closest("." + $.datepicker._triggerClass).length &&

   911 				$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI) ) ) ||

   912 			( $target.hasClass($.datepicker.markerClassName) && $.datepicker._curInst !== inst ) ) {

   913 				$.datepicker._hideDatepicker();

   914 		}

   915 	},

   916 

   917 	/* Adjust one of the date sub-fields. */

   918 	_adjustDate: function(id, offset, period) {

   919 		var target = $(id),

   920 			inst = this._getInst(target[0]);

   921 

   922 		if (this._isDisabledDatepicker(target[0])) {

   923 			return;

   924 		}

   925 		this._adjustInstDate(inst, offset +

   926 			(period === "M" ? this._get(inst, "showCurrentAtPos") : 0), // undo positioning

   927 			period);

   928 		this._updateDatepicker(inst);

   929 	},

   930 

   931 	/* Action for current link. */

   932 	_gotoToday: function(id) {

   933 		var date,

   934 			target = $(id),

   935 			inst = this._getInst(target[0]);

   936 

   937 		if (this._get(inst, "gotoCurrent") && inst.currentDay) {

   938 			inst.selectedDay = inst.currentDay;

   939 			inst.drawMonth = inst.selectedMonth = inst.currentMonth;

   940 			inst.drawYear = inst.selectedYear = inst.currentYear;

   941 		} else {

   942 			date = new Date();

   943 			inst.selectedDay = date.getDate();

   944 			inst.drawMonth = inst.selectedMonth = date.getMonth();

   945 			inst.drawYear = inst.selectedYear = date.getFullYear();

   946 		}

   947 		this._notifyChange(inst);

   948 		this._adjustDate(target);

   949 	},

   950 

   951 	/* Action for selecting a new month/year. */

   952 	_selectMonthYear: function(id, select, period) {

   953 		var target = $(id),

   954 			inst = this._getInst(target[0]);

   955 

   956 		inst["selected" + (period === "M" ? "Month" : "Year")] =

   957 		inst["draw" + (period === "M" ? "Month" : "Year")] =

   958 			parseInt(select.options[select.selectedIndex].value,10);

   959 

   960 		this._notifyChange(inst);

   961 		this._adjustDate(target);

   962 	},

   963 

   964 	/* Action for selecting a day. */

   965 	_selectDay: function(id, month, year, td) {

   966 		var inst,

   967 			target = $(id);

   968 

   969 		if ($(td).hasClass(this._unselectableClass) || this._isDisabledDatepicker(target[0])) {

   970 			return;

   971 		}

   972 

   973 		inst = this._getInst(target[0]);

   974 		inst.selectedDay = inst.currentDay = $("a", td).html();

   975 		inst.selectedMonth = inst.currentMonth = month;

   976 		inst.selectedYear = inst.currentYear = year;

   977 		this._selectDate(id, this._formatDate(inst,

   978 			inst.currentDay, inst.currentMonth, inst.currentYear));

   979 	},

   980 

   981 	/* Erase the input field and hide the date picker. */

   982 	_clearDate: function(id) {

   983 		var target = $(id);

   984 		this._selectDate(target, "");

   985 	},

   986 

   987 	/* Update the input field with the selected date. */

   988 	_selectDate: function(id, dateStr) {

   989 		var onSelect,

   990 			target = $(id),

   991 			inst = this._getInst(target[0]);

   992 

   993 		dateStr = (dateStr != null ? dateStr : this._formatDate(inst));

   994 		if (inst.input) {

   995 			inst.input.val(dateStr);

   996 		}

   997 		this._updateAlternate(inst);

   998 

   999 		onSelect = this._get(inst, "onSelect");

  1000 		if (onSelect) {

  1001 			onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]);  // trigger custom callback

  1002 		} else if (inst.input) {

  1003 			inst.input.trigger("change"); // fire the change event

  1004 		}

  1005 

  1006 		if (inst.inline){

  1007 			this._updateDatepicker(inst);

  1008 		} else {

  1009 			this._hideDatepicker();

  1010 			this._lastInput = inst.input[0];

  1011 			if (typeof(inst.input[0]) !== "object") {

  1012 				inst.input.focus(); // restore focus

  1013 			}

  1014 			this._lastInput = null;

  1015 		}

  1016 	},

  1017 

  1018 	/* Update any alternate field to synchronise with the main field. */

  1019 	_updateAlternate: function(inst) {

  1020 		var altFormat, date, dateStr,

  1021 			altField = this._get(inst, "altField");

  1022 

  1023 		if (altField) { // update alternate field too

  1024 			altFormat = this._get(inst, "altFormat") || this._get(inst, "dateFormat");

  1025 			date = this._getDate(inst);

  1026 			dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));

  1027 			$(altField).each(function() { $(this).val(dateStr); });

  1028 		}

  1029 	},

  1030 

  1031 	/* Set as beforeShowDay function to prevent selection of weekends.

  1032 	 * @param  date  Date - the date to customise

  1033 	 * @return [boolean, string] - is this date selectable?, what is its CSS class?

  1034 	 */

  1035 	noWeekends: function(date) {

  1036 		var day = date.getDay();

  1037 		return [(day > 0 && day < 6), ""];

  1038 	},

  1039 

  1040 	/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.

  1041 	 * @param  date  Date - the date to get the week for

  1042 	 * @return  number - the number of the week within the year that contains this date

  1043 	 */

  1044 	iso8601Week: function(date) {

  1045 		var time,

  1046 			checkDate = new Date(date.getTime());

  1047 

  1048 		// Find Thursday of this week starting on Monday

  1049 		checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));

  1050 

  1051 		time = checkDate.getTime();

  1052 		checkDate.setMonth(0); // Compare with Jan 1

  1053 		checkDate.setDate(1);

  1054 		return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;

  1055 	},

  1056 

  1057 	/* Parse a string value into a date object.

  1058 	 * See formatDate below for the possible formats.

  1059 	 *

  1060 	 * @param  format string - the expected format of the date

  1061 	 * @param  value string - the date in the above format

  1062 	 * @param  settings Object - attributes include:

  1063 	 *					shortYearCutoff  number - the cutoff year for determining the century (optional)

  1064 	 *					dayNamesShort	string[7] - abbreviated names of the days from Sunday (optional)

  1065 	 *					dayNames		string[7] - names of the days from Sunday (optional)

  1066 	 *					monthNamesShort string[12] - abbreviated names of the months (optional)

  1067 	 *					monthNames		string[12] - names of the months (optional)

  1068 	 * @return  Date - the extracted date value or null if value is blank

  1069 	 */

  1070 	parseDate: function (format, value, settings) {

  1071 		if (format == null || value == null) {

  1072 			throw "Invalid arguments";

  1073 		}

  1074 

  1075 		value = (typeof value === "object" ? value.toString() : value + "");

  1076 		if (value === "") {

  1077 			return null;

  1078 		}

  1079 

  1080 		var iFormat, dim, extra,

  1081 			iValue = 0,

  1082 			shortYearCutoffTemp = (settings ? settings.shortYearCutoff : null) || this._defaults.shortYearCutoff,

  1083 			shortYearCutoff = (typeof shortYearCutoffTemp !== "string" ? shortYearCutoffTemp :

  1084 				new Date().getFullYear() % 100 + parseInt(shortYearCutoffTemp, 10)),

  1085 			dayNamesShort = (settings ? settings.dayNamesShort : null) || this._defaults.dayNamesShort,

  1086 			dayNames = (settings ? settings.dayNames : null) || this._defaults.dayNames,

  1087 			monthNamesShort = (settings ? settings.monthNamesShort : null) || this._defaults.monthNamesShort,

  1088 			monthNames = (settings ? settings.monthNames : null) || this._defaults.monthNames,

  1089 			year = -1,

  1090 			month = -1,

  1091 			day = -1,

  1092 			doy = -1,

  1093 			literal = false,

  1094 			date,

  1095 			// Check whether a format character is doubled

  1096 			lookAhead = function(match) {

  1097 				var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) === match);

  1098 				if (matches) {

  1099 					iFormat++;

  1100 				}

  1101 				return matches;

  1102 			},

  1103 			// Extract a number from the string value

  1104 			getNumber = function(match) {

  1105 				var isDoubled = lookAhead(match),

  1106 					size = (match === "@" ? 14 : (match === "!" ? 20 :

  1107 					(match === "y" && isDoubled ? 4 : (match === "o" ? 3 : 2)))),

  1108 					digits = new RegExp("^\\d{1," + size + "}"),

  1109 					num = value.substring(iValue).match(digits);

  1110 				if (!num) {

  1111 					throw "Missing number at position " + iValue;

  1112 				}

  1113 				iValue += num[0].length;

  1114 				return parseInt(num[0], 10);

  1115 			},

  1116 			// Extract a name from the string value and convert to an index

  1117 			getName = function(match, shortNames, longNames) {

  1118 				var index = -1,

  1119 					names = $.map(lookAhead(match) ? longNames : shortNames, function (v, k) {

  1120 						return [ [k, v] ];

  1121 					}).sort(function (a, b) {

  1122 						return -(a[1].length - b[1].length);

  1123 					});

  1124 

  1125 				$.each(names, function (i, pair) {

  1126 					var name = pair[1];

  1127 					if (value.substr(iValue, name.length).toLowerCase() === name.toLowerCase()) {

  1128 						index = pair[0];

  1129 						iValue += name.length;

  1130 						return false;

  1131 					}

  1132 				});

  1133 				if (index !== -1) {

  1134 					return index + 1;