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source: main/trunk/greenstone3/web/interfaces/oran/js/jquery-ui-1.8rc1/ui/jquery.ui.datepicker.js@ 24245

Last change on this file since 24245 was 24245, checked in by sjb48, 13 years ago
Oran code for supporting format changes to document.
Property svn:executable set to ``*
File size: 72.3 KB

Line
1	/*
2	* jQuery UI Datepicker 1.8rc1
3	*
4	* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
5	* Dual licensed under the MIT (MIT-LICENSE.txt)
6	* and GPL (GPL-LICENSE.txt) licenses.
7	*
8	* http://docs.jquery.com/UI/Datepicker
9	*
10	* Depends:
11	* jquery.ui.core.js
12	* jquery.ui.widget.js
13	*/
14
15	(function($) { // hide the namespace
16
17	$.extend($.ui, { datepicker: { version: "1.8rc1" } });
18
19	var PROP_NAME = 'datepicker';
20	var dpuuid = new Date().getTime();
21
22	/* Date picker manager.
23	Use the singleton instance of this class, $.datepicker, to interact with the date picker.
24	Settings for (groups of) date pickers are maintained in an instance object,
25	allowing multiple different settings on the same page. */
26
27	function Datepicker() {
28	this.debug = false; // Change this to true to start debugging
29	this._curInst = null; // The current instance in use
30	this._keyEvent = false; // If the last event was a key event
31	this._disabledInputs = []; // List of date picker inputs that have been disabled
32	this._datepickerShowing = false; // True if the popup picker is showing , false if not
33	this._inDialog = false; // True if showing within a "dialog", false if not
34	this._mainDivId = 'ui-datepicker-div'; // The ID of the main datepicker division
35	this._inlineClass = 'ui-datepicker-inline'; // The name of the inline marker class
36	this._appendClass = 'ui-datepicker-append'; // The name of the append marker class
37	this._triggerClass = 'ui-datepicker-trigger'; // The name of the trigger marker class
38	this._dialogClass = 'ui-datepicker-dialog'; // The name of the dialog marker class
39	this._disableClass = 'ui-datepicker-disabled'; // The name of the disabled covering marker class
40	this._unselectableClass = 'ui-datepicker-unselectable'; // The name of the unselectable cell marker class
41	this._currentClass = 'ui-datepicker-current-day'; // The name of the current day marker class
42	this._dayOverClass = 'ui-datepicker-days-cell-over'; // The name of the day hover marker class
43	this.regional = []; // Available regional settings, indexed by language code
44	this.regional[''] = { // Default regional settings
45	closeText: 'Done', // Display text for close link
46	prevText: 'Prev', // Display text for previous month link
47	nextText: 'Next', // Display text for next month link
48	currentText: 'Today', // Display text for current month link
49	monthNames: ['January','February','March','April','May','June',
50	'July','August','September','October','November','December'], // Names of months for drop-down and formatting
51	monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'], // For formatting
52	dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
53	dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
54	dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
55	weekHeader: 'Wk', // Column header for week of the year
56	dateFormat: 'mm/dd/yy', // See format options on parseDate
57	firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
58	isRTL: false, // True if right-to-left language, false if left-to-right
59	showMonthAfterYear: false, // True if the year select precedes month, false for month then year
60	yearSuffix: '' // Additional text to append to the year in the month headers
61	};
62	this._defaults = { // Global defaults for all the date picker instances
63	showOn: 'focus', // 'focus' for popup on focus,
64	// 'button' for trigger button, or 'both' for either
65	showAnim: 'show', // Name of jQuery animation for popup
66	showOptions: {}, // Options for enhanced animations
67	defaultDate: null, // Used when field is blank: actual date,
68	// +/-number for offset from today, null for today
69	appendText: '', // Display text following the input box, e.g. showing the format
70	buttonText: '...', // Text for trigger button
71	buttonImage: '', // URL for trigger button image
72	buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
73	hideIfNoPrevNext: false, // True to hide next/previous month links
74	// if not applicable, false to just disable them
75	navigationAsDateFormat: false, // True if date formatting applied to prev/today/next links
76	gotoCurrent: false, // True if today link goes back to current selection instead
77	changeMonth: false, // True if month can be selected directly, false if only prev/next
78	changeYear: false, // True if year can be selected directly, false if only prev/next
79	yearRange: 'c-10:c+10', // Range of years to display in drop-down,
80	// either relative to today's year (-nn:+nn), relative to currently displayed year
81	// (c-nn:c+nn), absolute (nnnn:nnnn), or a combination of the above (nnnn:-n)
82	showOtherMonths: false, // True to show dates in other months, false to leave blank
83	selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
84	showWeek: false, // True to show week of the year, false to not show it
85	calculateWeek: this.iso8601Week, // How to calculate the week of the year,
86	// takes a Date and returns the number of the week for it
87	shortYearCutoff: '+10', // Short year values < this are in the current century,
88	// > this are in the previous century,
89	// string value starting with '+' for current year + value
90	minDate: null, // The earliest selectable date, or null for no limit
91	maxDate: null, // The latest selectable date, or null for no limit
92	duration: '_default', // Duration of display/closure
93	beforeShowDay: null, // Function that takes a date and returns an array with
94	// [0] = true if selectable, false if not, [1] = custom CSS class name(s) or '',
95	// [2] = cell title (optional), e.g. $.datepicker.noWeekends
96	beforeShow: null, // Function that takes an input field and
97	// returns a set of custom settings for the date picker
98	onSelect: null, // Define a callback function when a date is selected
99	onChangeMonthYear: null, // Define a callback function when the month or year is changed
100	onClose: null, // Define a callback function when the datepicker is closed
101	numberOfMonths: 1, // Number of months to show at a time
102	showCurrentAtPos: 0, // The position in multipe months at which to show the current month (starting at 0)
103	stepMonths: 1, // Number of months to step back/forward
104	stepBigMonths: 12, // Number of months to step back/forward for the big links
105	altField: '', // Selector for an alternate field to store selected dates into
106	altFormat: '', // The date format to use for the alternate field
107	constrainInput: true, // The input is constrained by the current date format
108	showButtonPanel: false, // True to show button panel, false to not show it
109	autoSize: false // True to size the input for the date format, false to leave as is
110	};
111	$.extend(this._defaults, this.regional['']);
112	this.dpDiv = $('<div id="' + this._mainDivId + '" class="ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all ui-helper-hidden-accessible"></div>');
113	}
114
115	$.extend(Datepicker.prototype, {
116	/* Class name added to elements to indicate already configured with a date picker. */
117	markerClassName: 'hasDatepicker',
118
119	/* Debug logging (if enabled). */
120	log: function () {
121	if (this.debug)
122	console.log.apply('', arguments);
123	},
124
125	// TODO rename to "widget" when switching to widget factory
126	_widgetDatepicker: function() {
127	return this.dpDiv;
128	},
129
130	/* Override the default settings for all instances of the date picker.
131	@param settings object - the new settings to use as defaults (anonymous object)
132	@return the manager object */
133	setDefaults: function(settings) {
134	extendRemove(this._defaults, settings \|\| {});
135	return this;
136	},
137
138	/* Attach the date picker to a jQuery selection.
139	@param target element - the target input field or division or span
140	@param settings object - the new settings to use for this date picker instance (anonymous) */
141	_attachDatepicker: function(target, settings) {
142	// check for settings on the control itself - in namespace 'date:'
143	var inlineSettings = null;
144	for (var attrName in this._defaults) {
145	var attrValue = target.getAttribute('date:' + attrName);
146	if (attrValue) {
147	inlineSettings = inlineSettings \|\| {};
148	try {
149	inlineSettings[attrName] = eval(attrValue);
150	} catch (err) {
151	inlineSettings[attrName] = attrValue;
152	}
153	}
154	}
155	var nodeName = target.nodeName.toLowerCase();
156	var inline = (nodeName == 'div' \|\| nodeName == 'span');
157	if (!target.id)
158	target.id = 'dp' + (++this.uuid);
159	var inst = this._newInst($(target), inline);
160	inst.settings = $.extend({}, settings \|\| {}, inlineSettings \|\| {});
161	if (nodeName == 'input') {
162	this._connectDatepicker(target, inst);
163	} else if (inline) {
164	this._inlineDatepicker(target, inst);
165	}
166	},
167
168	/* Create a new instance object. */
169	_newInst: function(target, inline) {
170	var id = target[0].id.replace(/([^A-Za-z0-9_])/g, '\\\\$1'); // escape jQuery meta chars
171	return {id: id, input: target, // associated target
172	selectedDay: 0, selectedMonth: 0, selectedYear: 0, // current selection
173	drawMonth: 0, drawYear: 0, // month being drawn
174	inline: inline, // is datepicker inline or not
175	dpDiv: (!inline ? this.dpDiv : // presentation div
176	$('<div class="' + this._inlineClass + ' ui-datepicker ui-widget ui-widget-content ui-helper-clearfix ui-corner-all"></div>'))};
177	},
178
179	/* Attach the date picker to an input field. */
180	_connectDatepicker: function(target, inst) {
181	var input = $(target);
182	inst.append = $([]);
183	inst.trigger = $([]);
184	if (input.hasClass(this.markerClassName))
185	return;
186	this._attachments(input, inst);
187	input.addClass(this.markerClassName).keydown(this._doKeyDown).
188	keypress(this._doKeyPress).keyup(this._doKeyUp).
189	bind("setData.datepicker", function(event, key, value) {
190	inst.settings[key] = value;
191	}).bind("getData.datepicker", function(event, key) {
192	return this._get(inst, key);
193	});
194	this._autoSize(inst);
195	$.data(target, PROP_NAME, inst);
196	},
197
198	/* Make attachments based on settings. */
199	_attachments: function(input, inst) {
200	var appendText = this._get(inst, 'appendText');
201	var isRTL = this._get(inst, 'isRTL');
202	if (inst.append)
203	inst.append.remove();
204	if (appendText) {
205	inst.append = $('<span class="' + this._appendClass + '">' + appendText + '</span>');
206	input[isRTL ? 'before' : 'after'](inst.append);
207	}
208	input.unbind('focus', this._showDatepicker);
209	if (inst.trigger)
210	inst.trigger.remove();
211	var showOn = this._get(inst, 'showOn');
212	if (showOn == 'focus' \|\| showOn == 'both') // pop-up date picker when in the marked field
213	input.focus(this._showDatepicker);
214	if (showOn == 'button' \|\| showOn == 'both') { // pop-up date picker when button clicked
215	var buttonText = this._get(inst, 'buttonText');
216	var buttonImage = this._get(inst, 'buttonImage');
217	inst.trigger = $(this._get(inst, 'buttonImageOnly') ?
218	$('<img/>').addClass(this._triggerClass).
219	attr({ src: buttonImage, alt: buttonText, title: buttonText }) :
220	$('<button type="button"></button>').addClass(this._triggerClass).
221	html(buttonImage == '' ? buttonText : $('<img/>').attr(
222	{ src:buttonImage, alt:buttonText, title:buttonText })));
223	input[isRTL ? 'before' : 'after'](inst.trigger);
224	inst.trigger.click(function() {
225	if ($.datepicker._datepickerShowing && $.datepicker._lastInput == input[0])
226	$.datepicker._hideDatepicker();
227	else
228	$.datepicker._showDatepicker(input[0]);
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 date = new Date(2009, 12 - 1, 20); // Ensure double digits
238	var dateFormat = this._get(inst, 'dateFormat');
239	if (dateFormat.match(/[DM]/)) {
240	var findMax = function(names) {
241	var max = 0;
242	var maxI = 0;
243	for (var i = 0; i < names.length; i++) {
244	if (names[i].length > max) {
245	max = names[i].length;
246	maxI = i;
247	}
248	}
249	return maxI;
250	};
251	date.setMonth(findMax(this._get(inst, (dateFormat.match(/MM/) ?
252	'monthNames' : 'monthNamesShort'))));
253	date.setDate(findMax(this._get(inst, (dateFormat.match(/DD/) ?
254	'dayNames' : 'dayNamesShort'))) + 20 - date.getDay());
255	}
256	inst.input.attr('size', this._formatDate(inst, date).length);
257	}
258	},
259
260	/* Attach an inline date picker to a div. */
261	_inlineDatepicker: function(target, inst) {
262	var divSpan = $(target);
263	if (divSpan.hasClass(this.markerClassName))
264	return;
265	divSpan.addClass(this.markerClassName).append(inst.dpDiv).
266	bind("setData.datepicker", function(event, key, value){
267	inst.settings[key] = value;
268	}).bind("getData.datepicker", function(event, key){
269	return this._get(inst, key);
270	});
271	$.data(target, PROP_NAME, inst);
272	this._setDate(inst, this._getDefaultDate(inst), true);
273	this._updateDatepicker(inst);
274	this._updateAlternate(inst);
275	},
276
277	/* Pop-up the date picker in a "dialog" box.
278	@param input element - ignored
279	@param date string or Date - the initial date to display
280	@param onSelect function - the function to call when a date is selected
281	@param settings object - update the dialog date picker instance's settings (anonymous object)
282	@param pos int[2] - coordinates for the dialog's position within the screen or
283	event - with x/y coordinates or
284	leave empty for default (screen centre)
285	@return the manager object */
286	_dialogDatepicker: function(input, date, onSelect, settings, pos) {
287	var inst = this._dialogInst; // internal instance
288	if (!inst) {
289	var id = 'dp' + (++this.uuid);
290	this._dialogInput = $('<input type="text" id="' + id +
291	'" style="position: absolute; top: -100px; width: 0px; z-index: -10;"/>');
292	this._dialogInput.keydown(this._doKeyDown);
293	$('body').append(this._dialogInput);
294	inst = this._dialogInst = this._newInst(this._dialogInput, false);
295	inst.settings = {};
296	$.data(this._dialogInput[0], PROP_NAME, inst);
297	}
298	extendRemove(inst.settings, settings \|\| {});
299	date = (date && date.constructor == Date ? this._formatDate(inst, date) : date);
300	this._dialogInput.val(date);
301
302	this._pos = (pos ? (pos.length ? pos : [pos.pageX, pos.pageY]) : null);
303	if (!this._pos) {
304	var browserWidth = document.documentElement.clientWidth;
305	var browserHeight = document.documentElement.clientHeight;
306	var scrollX = document.documentElement.scrollLeft \|\| document.body.scrollLeft;
307	var scrollY = document.documentElement.scrollTop \|\| document.body.scrollTop;
308	this._pos = // should use actual width/height below
309	[(browserWidth / 2) - 100 + scrollX, (browserHeight / 2) - 150 + scrollY];
310	}
311
312	// move input on screen for focus, but hidden behind dialog
313	this._dialogInput.css('left', (this._pos[0] + 20) + 'px').css('top', this._pos[1] + 'px');
314	inst.settings.onSelect = onSelect;
315	this._inDialog = true;
316	this.dpDiv.addClass(this._dialogClass);
317	this._showDatepicker(this._dialogInput[0]);
318	if ($.blockUI)
319	$.blockUI(this.dpDiv);
320	$.data(this._dialogInput[0], PROP_NAME, inst);
321	return this;
322	},
323
324	/* Detach a datepicker from its control.
325	@param target element - the target input field or division or span */
326	_destroyDatepicker: function(target) {
327	var $target = $(target);
328	var inst = $.data(target, PROP_NAME);
329	if (!$target.hasClass(this.markerClassName)) {
330	return;
331	}
332	var nodeName = target.nodeName.toLowerCase();
333	$.removeData(target, PROP_NAME);
334	if (nodeName == 'input') {
335	inst.append.remove();
336	inst.trigger.remove();
337	$target.removeClass(this.markerClassName).
338	unbind('focus', this._showDatepicker).
339	unbind('keydown', this._doKeyDown).
340	unbind('keypress', this._doKeyPress).
341	unbind('keyup', this._doKeyUp);
342	} else if (nodeName == 'div' \|\| nodeName == 'span')
343	$target.removeClass(this.markerClassName).empty();
344	},
345
346	/* Enable the date picker to a jQuery selection.
347	@param target element - the target input field or division or span */
348	_enableDatepicker: function(target) {
349	var $target = $(target);
350	var inst = $.data(target, PROP_NAME);
351	if (!$target.hasClass(this.markerClassName)) {
352	return;
353	}
354	var nodeName = target.nodeName.toLowerCase();
355	if (nodeName == 'input') {
356	target.disabled = false;
357	inst.trigger.filter('button').
358	each(function() { this.disabled = false; }).end().
359	filter('img').css({opacity: '1.0', cursor: ''});
360	}
361	else if (nodeName == 'div' \|\| nodeName == 'span') {
362	var inline = $target.children('.' + this._inlineClass);
363	inline.children().removeClass('ui-state-disabled');
364	}
365	this._disabledInputs = $.map(this._disabledInputs,
366	function(value) { return (value == target ? null : value); }); // delete entry
367	},
368
369	/* Disable the date picker to a jQuery selection.
370	@param target element - the target input field or division or span */
371	_disableDatepicker: function(target) {
372	var $target = $(target);
373	var inst = $.data(target, PROP_NAME);
374	if (!$target.hasClass(this.markerClassName)) {
375	return;
376	}
377	var nodeName = target.nodeName.toLowerCase();
378	if (nodeName == 'input') {
379	target.disabled = true;
380	inst.trigger.filter('button').
381	each(function() { this.disabled = true; }).end().
382	filter('img').css({opacity: '0.5', cursor: 'default'});
383	}
384	else if (nodeName == 'div' \|\| nodeName == 'span') {
385	var inline = $target.children('.' + this._inlineClass);
386	inline.children().addClass('ui-state-disabled');
387	}
388	this._disabledInputs = $.map(this._disabledInputs,
389	function(value) { return (value == target ? null : value); }); // delete entry
390	this._disabledInputs[this._disabledInputs.length] = target;
391	},
392
393	/* Is the first field in a jQuery collection disabled as a datepicker?
394	@param target element - the target input field or division or span
395	@return boolean - true if disabled, false if enabled */
396	_isDisabledDatepicker: function(target) {
397	if (!target) {
398	return false;
399	}
400	for (var i = 0; i < this._disabledInputs.length; i++) {
401	if (this._disabledInputs[i] == target)
402	return true;
403	}
404	return false;
405	},
406
407	/* Retrieve the instance data for the target control.
408	@param target element - the target input field or division or span
409	@return object - the associated instance data
410	@throws error if a jQuery problem getting data */
411	_getInst: function(target) {
412	try {
413	return $.data(target, PROP_NAME);
414	}
415	catch (err) {
416	throw 'Missing instance data for this datepicker';
417	}
418	},
419
420	/* Update or retrieve the settings for a date picker attached to an input field or division.
421	@param target element - the target input field or division or span
422	@param name object - the new settings to update or
423	string - the name of the setting to change or retrieve,
424	when retrieving also 'all' for all instance settings or
425	'defaults' for all global defaults
426	@param value any - the new value for the setting
427	(omit if above is an object or to retrieve a value) */
428	_optionDatepicker: function(target, name, value) {
429	var inst = this._getInst(target);
430	if (arguments.length == 2 && typeof name == 'string') {
431	return (name == 'defaults' ? $.extend({}, $.datepicker._defaults) :
432	(inst ? (name == 'all' ? $.extend({}, inst.settings) :
433	this._get(inst, name)) : null));
434	}
435	var settings = name \|\| {};
436	if (typeof name == 'string') {
437	settings = {};
438	settings[name] = value;
439	}
440	if (inst) {
441	if (this._curInst == inst) {
442	this._hideDatepicker();
443	}
444	var date = this._getDateDatepicker(target, true);
445	extendRemove(inst.settings, settings);
446	this._attachments($(target), inst);
447	this._autoSize(inst);
448	this._setDateDatepicker(target, date);
449	this._updateDatepicker(inst);
450	}
451	},
452
453	// change method deprecated
454	_changeDatepicker: function(target, name, value) {
455	this._optionDatepicker(target, name, value);
456	},
457
458	/* Redraw the date picker attached to an input field or division.
459	@param target element - the target input field or division or span */
460	_refreshDatepicker: function(target) {
461	var inst = this._getInst(target);
462	if (inst) {
463	this._updateDatepicker(inst);
464	}
465	},
466
467	/* Set the dates for a jQuery selection.
468	@param target element - the target input field or division or span
469	@param date Date - the new date */
470	_setDateDatepicker: function(target, date) {
471	var inst = this._getInst(target);
472	if (inst) {
473	this._setDate(inst, date);
474	this._updateDatepicker(inst);
475	this._updateAlternate(inst);
476	}
477	},
478
479	/* Get the date(s) for the first entry in a jQuery selection.
480	@param target element - the target input field or division or span
481	@param noDefault boolean - true if no default date is to be used
482	@return Date - the current date */
483	_getDateDatepicker: function(target, noDefault) {
484	var inst = this._getInst(target);
485	if (inst && !inst.inline)
486	this._setDateFromField(inst, noDefault);
487	return (inst ? this._getDate(inst) : null);
488	},
489
490	/* Handle keystrokes. */
491	_doKeyDown: function(event) {
492	var inst = $.datepicker._getInst(event.target);
493	var handled = true;
494	var isRTL = inst.dpDiv.is('.ui-datepicker-rtl');
495	inst._keyEvent = true;
496	if ($.datepicker._datepickerShowing)
497	switch (event.keyCode) {
498	case 9: $.datepicker._hideDatepicker();
499	handled = false;
500	break; // hide on tab out
501	case 13: var sel = $('td.' + $.datepicker._dayOverClass, inst.dpDiv).
502	add($('td.' + $.datepicker._currentClass, inst.dpDiv));
503	if (sel[0])
504	$.datepicker._selectDay(event.target, inst.selectedMonth, inst.selectedYear, sel[0]);
505	else
506	$.datepicker._hideDatepicker();
507	return false; // don't submit the form
508	break; // select the value on enter
509	case 27: $.datepicker._hideDatepicker();
510	break; // hide on escape
511	case 33: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
512	-$.datepicker._get(inst, 'stepBigMonths') :
513	-$.datepicker._get(inst, 'stepMonths')), 'M');
514	break; // previous month/year on page up/+ ctrl
515	case 34: $.datepicker._adjustDate(event.target, (event.ctrlKey ?
516	+$.datepicker._get(inst, 'stepBigMonths') :
517	+$.datepicker._get(inst, 'stepMonths')), 'M');
518	break; // next month/year on page down/+ ctrl
519	case 35: if (event.ctrlKey \|\| event.metaKey) $.datepicker._clearDate(event.target);
520	handled = event.ctrlKey \|\| event.metaKey;
521	break; // clear on ctrl or command +end
522	case 36: if (event.ctrlKey \|\| event.metaKey) $.datepicker._gotoToday(event.target);
523	handled = event.ctrlKey \|\| event.metaKey;
524	break; // current on ctrl or command +home
525	case 37: if (event.ctrlKey \|\| event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? +1 : -1), 'D');
526	handled = event.ctrlKey \|\| event.metaKey;
527	// -1 day on ctrl or command +left
528	if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
529	-$.datepicker._get(inst, 'stepBigMonths') :
530	-$.datepicker._get(inst, 'stepMonths')), 'M');
531	// next month/year on alt +left on Mac
532	break;
533	case 38: if (event.ctrlKey \|\| event.metaKey) $.datepicker._adjustDate(event.target, -7, 'D');
534	handled = event.ctrlKey \|\| event.metaKey;
535	break; // -1 week on ctrl or command +up
536	case 39: if (event.ctrlKey \|\| event.metaKey) $.datepicker._adjustDate(event.target, (isRTL ? -1 : +1), 'D');
537	handled = event.ctrlKey \|\| event.metaKey;
538	// +1 day on ctrl or command +right
539	if (event.originalEvent.altKey) $.datepicker._adjustDate(event.target, (event.ctrlKey ?
540	+$.datepicker._get(inst, 'stepBigMonths') :
541	+$.datepicker._get(inst, 'stepMonths')), 'M');
542	// next month/year on alt +right
543	break;
544	case 40: if (event.ctrlKey \|\| event.metaKey) $.datepicker._adjustDate(event.target, +7, 'D');
545	handled = event.ctrlKey \|\| event.metaKey;
546	break; // +1 week on ctrl or command +down
547	default: handled = false;
548	}
549	else if (event.keyCode == 36 && event.ctrlKey) // display the date picker on ctrl+home
550	$.datepicker._showDatepicker(this);
551	else {
552	handled = false;
553	}
554	if (handled) {
555	event.preventDefault();
556	event.stopPropagation();
557	}
558	},
559
560	/* Filter entered characters - based on date format. */
561	_doKeyPress: function(event) {
562	var inst = $.datepicker._getInst(event.target);
563	if ($.datepicker._get(inst, 'constrainInput')) {
564	var chars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat'));
565	var chr = String.fromCharCode(event.charCode == undefined ? event.keyCode : event.charCode);
566	return event.ctrlKey \|\| (chr < ' ' \|\| !chars \|\| chars.indexOf(chr) > -1);
567	}
568	},
569
570	/* Synchronise manual entry and field/alternate field. */
571	_doKeyUp: function(event) {
572	var inst = $.datepicker._getInst(event.target);
573	if (inst.input.val() != inst.lastVal) {
574	try {
575	var date = $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
576	(inst.input ? inst.input.val() : null),
577	$.datepicker._getFormatConfig(inst));
578	if (date) { // only if valid
579	$.datepicker._setDateFromField(inst);
580	$.datepicker._updateAlternate(inst);
581	$.datepicker._updateDatepicker(inst);
582	}
583	}
584	catch (event) {
585	$.datepicker.log(event);
586	}
587	}
588	return true;
589	},
590
591	/* Pop-up the date picker for a given input field.
592	@param input element - the input field attached to the date picker or
593	event - if triggered by focus */
594	_showDatepicker: function(input) {
595	input = input.target \|\| input;
596	if (input.nodeName.toLowerCase() != 'input') // find from button/image trigger
597	input = $('input', input.parentNode)[0];
598	if ($.datepicker._isDisabledDatepicker(input) \|\| $.datepicker._lastInput == input) // already here
599	return;
600	var inst = $.datepicker._getInst(input);
601	if ($.datepicker._curInst && $.datepicker._curInst != inst) {
602	$.datepicker._curInst.dpDiv.stop(true, true);
603	}
604	var beforeShow = $.datepicker._get(inst, 'beforeShow');
605	extendRemove(inst.settings, (beforeShow ? beforeShow.apply(input, [input, inst]) : {}));
606	$.datepicker._lastInput = input;
607	$.datepicker._setDateFromField(inst);
608	if ($.datepicker._inDialog) // hide cursor
609	input.value = '';
610	if (!$.datepicker._pos) { // position below input
611	$.datepicker._pos = $.datepicker._findPos(input);
612	$.datepicker._pos[1] += input.offsetHeight; // add the height
613	}
614	var isFixed = false;
615	$(input).parents().each(function() {
616	isFixed \|= $(this).css('position') == 'fixed';
617	return !isFixed;
618	});
619	if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
620	$.datepicker._pos[0] -= document.documentElement.scrollLeft;
621	$.datepicker._pos[1] -= document.documentElement.scrollTop;
622	}
623	var offset = {left: $.datepicker._pos[0], top: $.datepicker._pos[1]};
624	$.datepicker._pos = null;
625	// determine sizing offscreen
626	inst.dpDiv.css({position: 'absolute', display: 'block', top: '-1000px'});
627	$.datepicker._updateDatepicker(inst);
628	// fix width for dynamic number of date pickers
629	// and adjust position before showing
630	offset = $.datepicker._checkOffset(inst, offset, isFixed);
631	inst.dpDiv.css({position: ($.datepicker._inDialog && $.blockUI ?
632	'static' : (isFixed ? 'fixed' : 'absolute')), display: 'none',
633	left: offset.left + 'px', top: offset.top + 'px'});
634	if (!inst.inline) {
635	var showAnim = $.datepicker._get(inst, 'showAnim');
636	var duration = $.datepicker._get(inst, 'duration');
637	var postProcess = function() {
638	$.datepicker._datepickerShowing = true;
639	var borders = $.datepicker._getBorders(inst.dpDiv);
640	inst.dpDiv.find('iframe.ui-datepicker-cover'). // IE6- only
641	css({left: -borders[0], top: -borders[1],
642	width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()});
643	};
644	if ($.effects && $.effects[showAnim])
645	inst.dpDiv.show(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
646	else
647	inst.dpDiv[showAnim \|\| 'show']((showAnim ? duration : null), postProcess);
648	if (!showAnim)
649	postProcess();
650	if (inst.input.is(':visible') && !inst.input.is(':disabled'))
651	inst.input[0].focus();
652	$.datepicker._curInst = inst;
653	}
654	},
655
656	/* Generate the date picker content. */
657	_updateDatepicker: function(inst) {
658	var self = this;
659	var borders = $.datepicker._getBorders(inst.dpDiv);
660	inst.dpDiv.empty().append(this._generateHTML(inst))
661	.find('iframe.ui-datepicker-cover') // IE6- only
662	.css({left: -borders[0], top: -borders[1],
663	width: inst.dpDiv.outerWidth(), height: inst.dpDiv.outerHeight()})
664	.end()
665	.find('button, .ui-datepicker-prev, .ui-datepicker-next, .ui-datepicker-calendar td a')
666	.bind('mouseout', function(){
667	$(this).removeClass('ui-state-hover');
668	if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).removeClass('ui-datepicker-prev-hover');
669	if(this.className.indexOf('ui-datepicker-next') != -1) $(this).removeClass('ui-datepicker-next-hover');
670	})
671	.bind('mouseover', function(){
672	if (!self._isDisabledDatepicker( inst.inline ? inst.dpDiv.parent()[0] : inst.input[0])) {
673	$(this).parents('.ui-datepicker-calendar').find('a').removeClass('ui-state-hover');
674	$(this).addClass('ui-state-hover');
675	if(this.className.indexOf('ui-datepicker-prev') != -1) $(this).addClass('ui-datepicker-prev-hover');
676	if(this.className.indexOf('ui-datepicker-next') != -1) $(this).addClass('ui-datepicker-next-hover');
677	}
678	})
679	.end()
680	.find('.' + this._dayOverClass + ' a')
681	.trigger('mouseover')
682	.end();
683	var numMonths = this._getNumberOfMonths(inst);
684	var cols = numMonths[1];
685	var width = 17;
686	if (cols > 1)
687	inst.dpDiv.addClass('ui-datepicker-multi-' + cols).css('width', (width * cols) + 'em');
688	else
689	inst.dpDiv.removeClass('ui-datepicker-multi-2 ui-datepicker-multi-3 ui-datepicker-multi-4').width('');
690	inst.dpDiv[(numMonths[0] != 1 \|\| numMonths[1] != 1 ? 'add' : 'remove') +
691	'Class']('ui-datepicker-multi');
692	inst.dpDiv[(this._get(inst, 'isRTL') ? 'add' : 'remove') +
693	'Class']('ui-datepicker-rtl');
694	if (inst == $.datepicker._curInst && inst.input &&
695	inst.input.is(':visible') && !inst.input.is(':disabled'))
696	$(inst.input[0]).focus();
697	},
698
699	/* Retrieve the size of left and top borders for an element.
700	@param elem (jQuery object) the element of interest
701	@return (number[2]) the left and top borders */
702	_getBorders: function(elem) {
703	var convert = function(value) {
704	return {thin: 1, medium: 2, thick: 3}[value] \|\| value;
705	};
706	return [parseFloat(convert(elem.css('border-left-width'))),
707	parseFloat(convert(elem.css('border-top-width')))];
708	},
709
710	/* Check positioning to remain on screen. */
711	_checkOffset: function(inst, offset, isFixed) {
712	var dpWidth = inst.dpDiv.outerWidth();
713	var dpHeight = inst.dpDiv.outerHeight();
714	var inputWidth = inst.input ? inst.input.outerWidth() : 0;
715	var inputHeight = inst.input ? inst.input.outerHeight() : 0;
716	var viewWidth = document.documentElement.clientWidth + $(document).scrollLeft();
717	var viewHeight = document.documentElement.clientHeight + $(document).scrollTop();
718
719	offset.left -= (this._get(inst, 'isRTL') ? (dpWidth - inputWidth) : 0);
720	offset.left -= (isFixed && offset.left == inst.input.offset().left) ? $(document).scrollLeft() : 0;
721	offset.top -= (isFixed && offset.top == (inst.input.offset().top + inputHeight)) ? $(document).scrollTop() : 0;
722
723	// now check if datepicker is showing outside window viewport - move to a better place if so.
724	offset.left -= Math.min(offset.left, (offset.left + dpWidth > viewWidth && viewWidth > dpWidth) ?
725	Math.abs(offset.left + dpWidth - viewWidth) : 0);
726	offset.top -= Math.min(offset.top, (offset.top + dpHeight > viewHeight && viewHeight > dpHeight) ?
727	Math.abs(offset.top + dpHeight + inputHeight * 2 - viewHeight) : 0);
728
729	return offset;
730	},
731
732	/* Find an object's position on the screen. */
733	_findPos: function(obj) {
734	var inst = this._getInst(obj);
735	var isRTL = this._get(inst, 'isRTL');
736	while (obj && (obj.type == 'hidden' \|\| obj.nodeType != 1)) {
737	obj = obj[isRTL ? 'previousSibling' : 'nextSibling'];
738	}
739	var position = $(obj).offset();
740	return [position.left, position.top];
741	},
742
743	/* Hide the date picker from view.
744	@param input element - the input field attached to the date picker */
745	_hideDatepicker: function(input) {
746	var inst = this._curInst;
747	if (!inst \|\| (input && inst != $.data(input, PROP_NAME)))
748	return;
749	if (this._datepickerShowing) {
750	var showAnim = this._get(inst, 'showAnim');
751	var duration = this._get(inst, 'duration');
752	var postProcess = function() {
753	$.datepicker._tidyDialog(inst);
754	this._curInst = null;
755	};
756	if ($.effects && $.effects[showAnim])
757	inst.dpDiv.hide(showAnim, $.datepicker._get(inst, 'showOptions'), duration, postProcess);
758	else
759	inst.dpDiv[(showAnim == 'slideDown' ? 'slideUp' :
760	(showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))]((showAnim ? duration : null), postProcess);
761	if (!showAnim)
762	postProcess();
763	var onClose = this._get(inst, 'onClose');
764	if (onClose)
765	onClose.apply((inst.input ? inst.input[0] : null),
766	[(inst.input ? inst.input.val() : ''), inst]); // trigger custom callback
767	this._datepickerShowing = false;
768	this._lastInput = null;
769	if (this._inDialog) {
770	this._dialogInput.css({ position: 'absolute', left: '0', top: '-100px' });
771	if ($.blockUI) {
772	$.unblockUI();
773	$('body').append(this.dpDiv);
774	}
775	}
776	this._inDialog = false;
777	}
778	},
779
780	/* Tidy up after a dialog display. */
781	_tidyDialog: function(inst) {
782	inst.dpDiv.removeClass(this._dialogClass).unbind('.ui-datepicker-calendar');
783	},
784
785	/* Close date picker if clicked elsewhere. */
786	_checkExternalClick: function(event) {
787	if (!$.datepicker._curInst)
788	return;
789	var $target = $(event.target);
790	if ($target[0].id != $.datepicker._mainDivId &&
791	$target.parents('#' + $.datepicker._mainDivId).length == 0 &&
792	!$target.hasClass($.datepicker.markerClassName) &&
793	!$target.hasClass($.datepicker._triggerClass) &&
794	$.datepicker._datepickerShowing && !($.datepicker._inDialog && $.blockUI))
795	$.datepicker._hideDatepicker();
796	},
797
798	/* Adjust one of the date sub-fields. */
799	_adjustDate: function(id, offset, period) {
800	var target = $(id);
801	var inst = this._getInst(target[0]);
802	if (this._isDisabledDatepicker(target[0])) {
803	return;
804	}
805	this._adjustInstDate(inst, offset +
806	(period == 'M' ? this._get(inst, 'showCurrentAtPos') : 0), // undo positioning
807	period);
808	this._updateDatepicker(inst);
809	},
810
811	/* Action for current link. */
812	_gotoToday: function(id) {
813	var target = $(id);
814	var inst = this._getInst(target[0]);
815	if (this._get(inst, 'gotoCurrent') && inst.currentDay) {
816	inst.selectedDay = inst.currentDay;
817	inst.drawMonth = inst.selectedMonth = inst.currentMonth;
818	inst.drawYear = inst.selectedYear = inst.currentYear;
819	}
820	else {
821	var date = new Date();
822	inst.selectedDay = date.getDate();
823	inst.drawMonth = inst.selectedMonth = date.getMonth();
824	inst.drawYear = inst.selectedYear = date.getFullYear();
825	}
826	this._notifyChange(inst);
827	this._adjustDate(target);
828	},
829
830	/* Action for selecting a new month/year. */
831	_selectMonthYear: function(id, select, period) {
832	var target = $(id);
833	var inst = this._getInst(target[0]);
834	inst._selectingMonthYear = false;
835	inst['selected' + (period == 'M' ? 'Month' : 'Year')] =
836	inst['draw' + (period == 'M' ? 'Month' : 'Year')] =
837	parseInt(select.options[select.selectedIndex].value,10);
838	this._notifyChange(inst);
839	this._adjustDate(target);
840	},
841
842	/* Restore input focus after not changing month/year. */
843	_clickMonthYear: function(id) {
844	var target = $(id);
845	var inst = this._getInst(target[0]);
846	if (inst.input && inst._selectingMonthYear && !$.browser.msie)
847	inst.input[0].focus();
848	inst._selectingMonthYear = !inst._selectingMonthYear;
849	},
850
851	/* Action for selecting a day. */
852	_selectDay: function(id, month, year, td) {
853	var target = $(id);
854	if ($(td).hasClass(this._unselectableClass) \|\| this._isDisabledDatepicker(target[0])) {
855	return;
856	}
857	var inst = this._getInst(target[0]);
858	inst.selectedDay = inst.currentDay = $('a', td).html();
859	inst.selectedMonth = inst.currentMonth = month;
860	inst.selectedYear = inst.currentYear = year;
861	this._selectDate(id, this._formatDate(inst,
862	inst.currentDay, inst.currentMonth, inst.currentYear));
863	},
864
865	/* Erase the input field and hide the date picker. */
866	_clearDate: function(id) {
867	var target = $(id);
868	var inst = this._getInst(target[0]);
869	this._selectDate(target, '');
870	},
871
872	/* Update the input field with the selected date. */
873	_selectDate: function(id, dateStr) {
874	var target = $(id);
875	var inst = this._getInst(target[0]);
876	dateStr = (dateStr != null ? dateStr : this._formatDate(inst));
877	if (inst.input)
878	inst.input.val(dateStr);
879	this._updateAlternate(inst);
880	var onSelect = this._get(inst, 'onSelect');
881	if (onSelect)
882	onSelect.apply((inst.input ? inst.input[0] : null), [dateStr, inst]); // trigger custom callback
883	else if (inst.input)
884	inst.input.trigger('change'); // fire the change event
885	if (inst.inline)
886	this._updateDatepicker(inst);
887	else {
888	this._hideDatepicker();
889	this._lastInput = inst.input[0];
890	if (typeof(inst.input[0]) != 'object')
891	inst.input[0].focus(); // restore focus
892	this._lastInput = null;
893	}
894	},
895
896	/* Update any alternate field to synchronise with the main field. */
897	_updateAlternate: function(inst) {
898	var altField = this._get(inst, 'altField');
899	if (altField) { // update alternate field too
900	var altFormat = this._get(inst, 'altFormat') \|\| this._get(inst, 'dateFormat');
901	var date = this._getDate(inst);
902	var dateStr = this.formatDate(altFormat, date, this._getFormatConfig(inst));
903	$(altField).each(function() { $(this).val(dateStr); });
904	}
905	},
906
907	/* Set as beforeShowDay function to prevent selection of weekends.
908	@param date Date - the date to customise
909	@return [boolean, string] - is this date selectable?, what is its CSS class? */
910	noWeekends: function(date) {
911	var day = date.getDay();
912	return [(day > 0 && day < 6), ''];
913	},
914
915	/* Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
916	@param date Date - the date to get the week for
917	@return number - the number of the week within the year that contains this date */
918	iso8601Week: function(date) {
919	var checkDate = new Date(date.getTime());
920	// Find Thursday of this week starting on Monday
921	checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() \|\| 7));
922	var time = checkDate.getTime();
923	checkDate.setMonth(0); // Compare with Jan 1
924	checkDate.setDate(1);
925	return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
926	},
927
928	/* Parse a string value into a date object.
929	See formatDate below for the possible formats.
930
931	@param format string - the expected format of the date
932	@param value string - the date in the above format
933	@param settings Object - attributes include:
934	shortYearCutoff number - the cutoff year for determining the century (optional)
935	dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
936	dayNames string[7] - names of the days from Sunday (optional)
937	monthNamesShort string[12] - abbreviated names of the months (optional)
938	monthNames string[12] - names of the months (optional)
939	@return Date - the extracted date value or null if value is blank */
940	parseDate: function (format, value, settings) {
941	if (format == null \|\| value == null)
942	throw 'Invalid arguments';
943	value = (typeof value == 'object' ? value.toString() : value + '');
944	if (value == '')
945	return null;
946	var shortYearCutoff = (settings ? settings.shortYearCutoff : null) \|\| this._defaults.shortYearCutoff;
947	var dayNamesShort = (settings ? settings.dayNamesShort : null) \|\| this._defaults.dayNamesShort;
948	var dayNames = (settings ? settings.dayNames : null) \|\| this._defaults.dayNames;
949	var monthNamesShort = (settings ? settings.monthNamesShort : null) \|\| this._defaults.monthNamesShort;
950	var monthNames = (settings ? settings.monthNames : null) \|\| this._defaults.monthNames;
951	var year = -1;
952	var month = -1;
953	var day = -1;
954	var doy = -1;
955	var literal = false;
956	// Check whether a format character is doubled
957	var lookAhead = function(match) {
958	var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
959	if (matches)
960	iFormat++;
961	return matches;
962	};
963	// Extract a number from the string value
964	var getNumber = function(match) {
965	lookAhead(match);
966	var size = (match == '@' ? 14 : (match == '!' ? 20 :
967	(match == 'y' ? 4 : (match == 'o' ? 3 : 2))));
968	var digits = new RegExp('^\\d{1,' + size + '}');
969	var num = value.substring(iValue).match(digits);
970	if (!num)
971	throw 'Missing number at position ' + iValue;
972	iValue += num[0].length;
973	return parseInt(num[0], 10);
974	};
975	// Extract a name from the string value and convert to an index
976	var getName = function(match, shortNames, longNames) {
977	var names = (lookAhead(match) ? longNames : shortNames);
978	for (var i = 0; i < names.length; i++) {
979	if (value.substr(iValue, names[i].length) == names[i]) {
980	iValue += names[i].length;
981	return i + 1;
982	}
983	}
984	throw 'Unknown name at position ' + iValue;
985	};
986	// Confirm that a literal character matches the string value
987	var checkLiteral = function() {
988	if (value.charAt(iValue) != format.charAt(iFormat))
989	throw 'Unexpected literal at position ' + iValue;
990	iValue++;
991	};
992	var iValue = 0;
993	for (var iFormat = 0; iFormat < format.length; iFormat++) {
994	if (literal)
995	if (format.charAt(iFormat) == "'" && !lookAhead("'"))
996	literal = false;
997	else
998	checkLiteral();
999	else
1000	switch (format.charAt(iFormat)) {
1001	case 'd':
1002	day = getNumber('d');
1003	break;
1004	case 'D':
1005	getName('D', dayNamesShort, dayNames);
1006	break;
1007	case 'o':
1008	doy = getNumber('o');
1009	break;
1010	case 'm':
1011	month = getNumber('m');
1012	break;
1013	case 'M':
1014	month = getName('M', monthNamesShort, monthNames);
1015	break;
1016	case 'y':
1017	year = getNumber('y');
1018	break;
1019	case '@':
1020	var date = new Date(getNumber('@'));
1021	year = date.getFullYear();
1022	month = date.getMonth() + 1;
1023	day = date.getDate();
1024	break;
1025	case '!':
1026	var date = new Date((getNumber('!') - this._ticksTo1970) / 10000);
1027	year = date.getFullYear();
1028	month = date.getMonth() + 1;
1029	day = date.getDate();
1030	break;
1031	case "'":
1032	if (lookAhead("'"))
1033	checkLiteral();
1034	else
1035	literal = true;
1036	break;
1037	default:
1038	checkLiteral();
1039	}
1040	}
1041	if (year == -1)
1042	year = new Date().getFullYear();
1043	else if (year < 100)
1044	year += new Date().getFullYear() - new Date().getFullYear() % 100 +
1045	(year <= shortYearCutoff ? 0 : -100);
1046	if (doy > -1) {
1047	month = 1;
1048	day = doy;
1049	do {
1050	var dim = this._getDaysInMonth(year, month - 1);
1051	if (day <= dim)
1052	break;
1053	month++;
1054	day -= dim;
1055	} while (true);
1056	}
1057	var date = this._daylightSavingAdjust(new Date(year, month - 1, day));
1058	if (date.getFullYear() != year \|\| date.getMonth() + 1 != month \|\| date.getDate() != day)
1059	throw 'Invalid date'; // E.g. 31/02/*
1060	return date;
1061	},
1062
1063	/* Standard date formats. */
1064	ATOM: 'yy-mm-dd', // RFC 3339 (ISO 8601)
1065	COOKIE: 'D, dd M yy',
1066	ISO_8601: 'yy-mm-dd',
1067	RFC_822: 'D, d M y',
1068	RFC_850: 'DD, dd-M-y',
1069	RFC_1036: 'D, d M y',
1070	RFC_1123: 'D, d M yy',
1071	RFC_2822: 'D, d M yy',
1072	RSS: 'D, d M y', // RFC 822
1073	TICKS: '!',
1074	TIMESTAMP: '@',
1075	W3C: 'yy-mm-dd', // ISO 8601
1076
1077	_ticksTo1970: (((1970 - 1) * 365 + Math.floor(1970 / 4) - Math.floor(1970 / 100) +
1078	Math.floor(1970 / 400)) * 24 * 60 * 60 * 10000000),
1079
1080	/* Format a date object into a string value.
1081	The format can be combinations of the following:
1082	d - day of month (no leading zero)
1083	dd - day of month (two digit)
1084	o - day of year (no leading zeros)
1085	oo - day of year (three digit)
1086	D - day name short
1087	DD - day name long
1088	m - month of year (no leading zero)
1089	mm - month of year (two digit)
1090	M - month name short
1091	MM - month name long
1092	y - year (two digit)
1093	yy - year (four digit)
1094	@ - Unix timestamp (ms since 01/01/1970)
1095	! - Windows ticks (100ns since 01/01/0001)
1096	'...' - literal text
1097	'' - single quote
1098
1099	@param format string - the desired format of the date
1100	@param date Date - the date value to format
1101	@param settings Object - attributes include:
1102	dayNamesShort string[7] - abbreviated names of the days from Sunday (optional)
1103	dayNames string[7] - names of the days from Sunday (optional)
1104	monthNamesShort string[12] - abbreviated names of the months (optional)
1105	monthNames string[12] - names of the months (optional)
1106	@return string - the date in the above format */
1107	formatDate: function (format, date, settings) {
1108	if (!date)
1109	return '';
1110	var dayNamesShort = (settings ? settings.dayNamesShort : null) \|\| this._defaults.dayNamesShort;
1111	var dayNames = (settings ? settings.dayNames : null) \|\| this._defaults.dayNames;
1112	var monthNamesShort = (settings ? settings.monthNamesShort : null) \|\| this._defaults.monthNamesShort;
1113	var monthNames = (settings ? settings.monthNames : null) \|\| this._defaults.monthNames;
1114	// Check whether a format character is doubled
1115	var lookAhead = function(match) {
1116	var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1117	if (matches)
1118	iFormat++;
1119	return matches;
1120	};
1121	// Format a number, with leading zero if necessary
1122	var formatNumber = function(match, value, len) {
1123	var num = '' + value;
1124	if (lookAhead(match))
1125	while (num.length < len)
1126	num = '0' + num;
1127	return num;
1128	};
1129	// Format a name, short or long as requested
1130	var formatName = function(match, value, shortNames, longNames) {
1131	return (lookAhead(match) ? longNames[value] : shortNames[value]);
1132	};
1133	var output = '';
1134	var literal = false;
1135	if (date)
1136	for (var iFormat = 0; iFormat < format.length; iFormat++) {
1137	if (literal)
1138	if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1139	literal = false;
1140	else
1141	output += format.charAt(iFormat);
1142	else
1143	switch (format.charAt(iFormat)) {
1144	case 'd':
1145	output += formatNumber('d', date.getDate(), 2);
1146	break;
1147	case 'D':
1148	output += formatName('D', date.getDay(), dayNamesShort, dayNames);
1149	break;
1150	case 'o':
1151	output += formatNumber('o',
1152	(date.getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000, 3);
1153	break;
1154	case 'm':
1155	output += formatNumber('m', date.getMonth() + 1, 2);
1156	break;
1157	case 'M':
1158	output += formatName('M', date.getMonth(), monthNamesShort, monthNames);
1159	break;
1160	case 'y':
1161	output += (lookAhead('y') ? date.getFullYear() :
1162	(date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
1163	break;
1164	case '@':
1165	output += date.getTime();
1166	break;
1167	case '!':
1168	output += date.getTime() * 10000 + this._ticksTo1970;
1169	break;
1170	case "'":
1171	if (lookAhead("'"))
1172	output += "'";
1173	else
1174	literal = true;
1175	break;
1176	default:
1177	output += format.charAt(iFormat);
1178	}
1179	}
1180	return output;
1181	},
1182
1183	/* Extract all possible characters from the date format. */
1184	_possibleChars: function (format) {
1185	var chars = '';
1186	var literal = false;
1187	// Check whether a format character is doubled
1188	var lookAhead = function(match) {
1189	var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
1190	if (matches)
1191	iFormat++;
1192	return matches;
1193	};
1194	for (var iFormat = 0; iFormat < format.length; iFormat++)
1195	if (literal)
1196	if (format.charAt(iFormat) == "'" && !lookAhead("'"))
1197	literal = false;
1198	else
1199	chars += format.charAt(iFormat);
1200	else
1201	switch (format.charAt(iFormat)) {
1202	case 'd': case 'm': case 'y': case '@':
1203	chars += '0123456789';
1204	break;
1205	case 'D': case 'M':
1206	return null; // Accept anything
1207	case "'":
1208	if (lookAhead("'"))
1209	chars += "'";
1210	else
1211	literal = true;
1212	break;
1213	default:
1214	chars += format.charAt(iFormat);
1215	}
1216	return chars;
1217	},
1218
1219	/* Get a setting value, defaulting if necessary. */
1220	_get: function(inst, name) {
1221	return inst.settings[name] !== undefined ?
1222	inst.settings[name] : this._defaults[name];
1223	},
1224
1225	/* Parse existing date and initialise date picker. */
1226	_setDateFromField: function(inst, noDefault) {
1227	var dateFormat = this._get(inst, 'dateFormat');
1228	inst.lastVal = inst.input ? inst.input.val() : null;
1229	var dates = inst.lastVal;
1230	var date, defaultDate;
1231	date = defaultDate = this._getDefaultDate(inst);
1232	var settings = this._getFormatConfig(inst);
1233	try {
1234	date = this.parseDate(dateFormat, dates, settings) \|\| defaultDate;
1235	} catch (event) {
1236	this.log(event);
1237	dates = (noDefault ? '' : dates);
1238	}
1239	inst.selectedDay = date.getDate();
1240	inst.drawMonth = inst.selectedMonth = date.getMonth();
1241	inst.drawYear = inst.selectedYear = date.getFullYear();
1242	inst.currentDay = (dates ? date.getDate() : 0);
1243	inst.currentMonth = (dates ? date.getMonth() : 0);
1244	inst.currentYear = (dates ? date.getFullYear() : 0);
1245	this._adjustInstDate(inst);
1246	},
1247
1248	/* Retrieve the default date shown on opening. */
1249	_getDefaultDate: function(inst) {
1250	return this._restrictMinMax(inst,
1251	this._determineDate(inst, this._get(inst, 'defaultDate'), new Date()));
1252	},
1253
1254	/* A date may be specified as an exact value or a relative one. */
1255	_determineDate: function(inst, date, defaultDate) {
1256	var offsetNumeric = function(offset) {
1257	var date = new Date();
1258	date.setDate(date.getDate() + offset);
1259	return date;
1260	};
1261	var offsetString = function(offset) {
1262	try {
1263	return $.datepicker.parseDate($.datepicker._get(inst, 'dateFormat'),
1264	offset, $.datepicker._getFormatConfig(inst));
1265	}
1266	catch (e) {
1267	// Ignore
1268	}
1269	var date = (offset.toLowerCase().match(/^c/) ?
1270	$.datepicker._getDate(inst) : null) \|\| new Date();
1271	var year = date.getFullYear();
1272	var month = date.getMonth();
1273	var day = date.getDate();
1274	var pattern = /([+-]?[0-9]+)\s*(d\|D\|w\|W\|m\|M\|y\|Y)?/g;
1275	var matches = pattern.exec(offset);
1276	while (matches) {
1277	switch (matches[2] \|\| 'd') {
1278	case 'd' : case 'D' :
1279	day += parseInt(matches[1],10); break;
1280	case 'w' : case 'W' :
1281	day += parseInt(matches[1],10) * 7; break;
1282	case 'm' : case 'M' :
1283	month += parseInt(matches[1],10);
1284	day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1285	break;
1286	case 'y': case 'Y' :
1287	year += parseInt(matches[1],10);
1288	day = Math.min(day, $.datepicker._getDaysInMonth(year, month));
1289	break;
1290	}
1291	matches = pattern.exec(offset);
1292	}
1293	return new Date(year, month, day);
1294	};
1295	date = (date == null ? defaultDate : (typeof date == 'string' ? offsetString(date) :
1296	(typeof date == 'number' ? (isNaN(date) ? defaultDate : offsetNumeric(date)) : date)));
1297	date = (date && date.toString() == 'Invalid Date' ? defaultDate : date);
1298	if (date) {
1299	date.setHours(0);
1300	date.setMinutes(0);
1301	date.setSeconds(0);
1302	date.setMilliseconds(0);
1303	}
1304	return this._daylightSavingAdjust(date);
1305	},
1306
1307	/* Handle switch to/from daylight saving.
1308	Hours may be non-zero on daylight saving cut-over:
1309	> 12 when midnight changeover, but then cannot generate
1310	midnight datetime, so jump to 1AM, otherwise reset.
1311	@param date (Date) the date to check
1312	@return (Date) the corrected date */
1313	_daylightSavingAdjust: function(date) {
1314	if (!date) return null;
1315	date.setHours(date.getHours() > 12 ? date.getHours() + 2 : 0);
1316	return date;
1317	},
1318
1319	/* Set the date(s) directly. */
1320	_setDate: function(inst, date, noChange) {
1321	var clear = !(date);
1322	var origMonth = inst.selectedMonth;
1323	var origYear = inst.selectedYear;
1324	date = this._restrictMinMax(inst, this._determineDate(inst, date, new Date()));
1325	inst.selectedDay = inst.currentDay = date.getDate();
1326	inst.drawMonth = inst.selectedMonth = inst.currentMonth = date.getMonth();
1327	inst.drawYear = inst.selectedYear = inst.currentYear = date.getFullYear();
1328	if ((origMonth != inst.selectedMonth \|\| origYear != inst.selectedYear) && !noChange)
1329	this._notifyChange(inst);
1330	this._adjustInstDate(inst);
1331	if (inst.input) {
1332	inst.input.val(clear ? '' : this._formatDate(inst));
1333	}
1334	},
1335
1336	/* Retrieve the date(s) directly. */
1337	_getDate: function(inst) {
1338	var startDate = (!inst.currentYear \|\| (inst.input && inst.input.val() == '') ? null :
1339	this._daylightSavingAdjust(new Date(
1340	inst.currentYear, inst.currentMonth, inst.currentDay)));
1341	return startDate;
1342	},
1343
1344	/* Generate the HTML for the current state of the date picker. */
1345	_generateHTML: function(inst) {
1346	var today = new Date();
1347	today = this._daylightSavingAdjust(
1348	new Date(today.getFullYear(), today.getMonth(), today.getDate())); // clear time
1349	var isRTL = this._get(inst, 'isRTL');
1350	var showButtonPanel = this._get(inst, 'showButtonPanel');
1351	var hideIfNoPrevNext = this._get(inst, 'hideIfNoPrevNext');
1352	var navigationAsDateFormat = this._get(inst, 'navigationAsDateFormat');
1353	var numMonths = this._getNumberOfMonths(inst);
1354	var showCurrentAtPos = this._get(inst, 'showCurrentAtPos');
1355	var stepMonths = this._get(inst, 'stepMonths');
1356	var isMultiMonth = (numMonths[0] != 1 \|\| numMonths[1] != 1);
1357	var currentDate = this._daylightSavingAdjust((!inst.currentDay ? new Date(9999, 9, 9) :
1358	new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1359	var minDate = this._getMinMaxDate(inst, 'min');
1360	var maxDate = this._getMinMaxDate(inst, 'max');
1361	var drawMonth = inst.drawMonth - showCurrentAtPos;
1362	var drawYear = inst.drawYear;
1363	if (drawMonth < 0) {
1364	drawMonth += 12;
1365	drawYear--;
1366	}
1367	if (maxDate) {
1368	var maxDraw = this._daylightSavingAdjust(new Date(maxDate.getFullYear(),
1369	maxDate.getMonth() - (numMonths[0] * numMonths[1]) + 1, maxDate.getDate()));
1370	maxDraw = (minDate && maxDraw < minDate ? minDate : maxDraw);
1371	while (this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1)) > maxDraw) {
1372	drawMonth--;
1373	if (drawMonth < 0) {
1374	drawMonth = 11;
1375	drawYear--;
1376	}
1377	}
1378	}
1379	inst.drawMonth = drawMonth;
1380	inst.drawYear = drawYear;
1381	var prevText = this._get(inst, 'prevText');
1382	prevText = (!navigationAsDateFormat ? prevText : this.formatDate(prevText,
1383	this._daylightSavingAdjust(new Date(drawYear, drawMonth - stepMonths, 1)),
1384	this._getFormatConfig(inst)));
1385	var prev = (this._canAdjustMonth(inst, -1, drawYear, drawMonth) ?
1386	'<a class="ui-datepicker-prev ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1387	'.datepicker._adjustDate(\'#' + inst.id + '\', -' + stepMonths + ', \'M\');"' +
1388	' title="' + prevText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'e' : 'w') + '">' + prevText + '</span></a>' :
1389	(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>'));
1390	var nextText = this._get(inst, 'nextText');
1391	nextText = (!navigationAsDateFormat ? nextText : this.formatDate(nextText,
1392	this._daylightSavingAdjust(new Date(drawYear, drawMonth + stepMonths, 1)),
1393	this._getFormatConfig(inst)));
1394	var next = (this._canAdjustMonth(inst, +1, drawYear, drawMonth) ?
1395	'<a class="ui-datepicker-next ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1396	'.datepicker._adjustDate(\'#' + inst.id + '\', +' + stepMonths + ', \'M\');"' +
1397	' title="' + nextText + '"><span class="ui-icon ui-icon-circle-triangle-' + ( isRTL ? 'w' : 'e') + '">' + nextText + '</span></a>' :
1398	(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>'));
1399	var currentText = this._get(inst, 'currentText');
1400	var gotoDate = (this._get(inst, 'gotoCurrent') && inst.currentDay ? currentDate : today);
1401	currentText = (!navigationAsDateFormat ? currentText :
1402	this.formatDate(currentText, gotoDate, this._getFormatConfig(inst)));
1403	var controls = (!inst.inline ? '<button type="button" class="ui-datepicker-close ui-state-default ui-priority-primary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1404	'.datepicker._hideDatepicker();">' + this._get(inst, 'closeText') + '</button>' : '');
1405	var buttonPanel = (showButtonPanel) ? '<div class="ui-datepicker-buttonpane ui-widget-content">' + (isRTL ? controls : '') +
1406	(this._isInRange(inst, gotoDate) ? '<button type="button" class="ui-datepicker-current ui-state-default ui-priority-secondary ui-corner-all" onclick="DP_jQuery_' + dpuuid +
1407	'.datepicker._gotoToday(\'#' + inst.id + '\');"' +
1408	'>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
1409	var firstDay = parseInt(this._get(inst, 'firstDay'),10);
1410	firstDay = (isNaN(firstDay) ? 0 : firstDay);
1411	var showWeek = this._get(inst, 'showWeek');
1412	var dayNames = this._get(inst, 'dayNames');
1413	var dayNamesShort = this._get(inst, 'dayNamesShort');
1414	var dayNamesMin = this._get(inst, 'dayNamesMin');
1415	var monthNames = this._get(inst, 'monthNames');
1416	var monthNamesShort = this._get(inst, 'monthNamesShort');
1417	var beforeShowDay = this._get(inst, 'beforeShowDay');
1418	var showOtherMonths = this._get(inst, 'showOtherMonths');
1419	var selectOtherMonths = this._get(inst, 'selectOtherMonths');
1420	var calculateWeek = this._get(inst, 'calculateWeek') \|\| this.iso8601Week;
1421	var defaultDate = this._getDefaultDate(inst);
1422	var html = '';
1423	for (var row = 0; row < numMonths[0]; row++) {
1424	var group = '';
1425	for (var col = 0; col < numMonths[1]; col++) {
1426	var selectedDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, inst.selectedDay));
1427	var cornerClass = ' ui-corner-all';
1428	var calender = '';
1429	if (isMultiMonth) {
1430	calender += '<div class="ui-datepicker-group';
1431	if (numMonths[1] > 1)
1432	switch (col) {
1433	case 0: calender += ' ui-datepicker-group-first';
1434	cornerClass = ' ui-corner-' + (isRTL ? 'right' : 'left'); break;
1435	case numMonths[1]-1: calender += ' ui-datepicker-group-last';
1436	cornerClass = ' ui-corner-' + (isRTL ? 'left' : 'right'); break;
1437	default: calender += ' ui-datepicker-group-middle'; cornerClass = ''; break;
1438	}
1439	calender += '">';
1440	}
1441	calender += '<div class="ui-datepicker-header ui-widget-header ui-helper-clearfix' + cornerClass + '">' +
1442	(/all\|left/.test(cornerClass) && row == 0 ? (isRTL ? next : prev) : '') +
1443	(/all\|right/.test(cornerClass) && row == 0 ? (isRTL ? prev : next) : '') +
1444	this._generateMonthYearHeader(inst, drawMonth, drawYear, minDate, maxDate,
1445	row > 0 \|\| col > 0, monthNames, monthNamesShort) + // draw month headers
1446	'</div><table class="ui-datepicker-calendar"><thead>' +
1447	'<tr>';
1448	var thead = (showWeek ? '<th class="ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
1449	for (var dow = 0; dow < 7; dow++) { // days of the week
1450	var day = (dow + firstDay) % 7;
1451	thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
1452	'<span title="' + dayNames[day] + '">' + dayNamesMin[day] + '</span></th>';
1453	}
1454	calender += thead + '</tr></thead><tbody>';
1455	var daysInMonth = this._getDaysInMonth(drawYear, drawMonth);
1456	if (drawYear == inst.selectedYear && drawMonth == inst.selectedMonth)
1457	inst.selectedDay = Math.min(inst.selectedDay, daysInMonth);
1458	var leadDays = (this._getFirstDayOfMonth(drawYear, drawMonth) - firstDay + 7) % 7;
1459	var numRows = (isMultiMonth ? 6 : Math.ceil((leadDays + daysInMonth) / 7)); // calculate the number of rows to generate
1460	var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
1461	for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
1462	calender += '<tr>';
1463	var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' +
1464	this._get(inst, 'calculateWeek')(printDate) + '</td>');
1465	for (var dow = 0; dow < 7; dow++) { // create date picker days
1466	var daySettings = (beforeShowDay ?
1467	beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);
1468	var otherMonth = (printDate.getMonth() != drawMonth);
1469	var unselectable = (otherMonth && !selectOtherMonths) \|\| !daySettings[0] \|\|
1470	(minDate && printDate < minDate) \|\| (maxDate && printDate > maxDate);
1471	tbody += '<td class="' +
1472	((dow + firstDay + 6) % 7 >= 5 ? ' ui-datepicker-week-end' : '') + // highlight weekends
1473	(otherMonth ? ' ui-datepicker-other-month' : '') + // highlight days from other months
1474	((printDate.getTime() == selectedDate.getTime() && drawMonth == inst.selectedMonth && inst._keyEvent) \|\| // user pressed key
1475	(defaultDate.getTime() == printDate.getTime() && defaultDate.getTime() == selectedDate.getTime()) ?
1476	// or defaultDate is current printedDate and defaultDate is selectedDate
1477	' ' + this._dayOverClass : '') + // highlight selected day
1478	(unselectable ? ' ' + this._unselectableClass + ' ui-state-disabled': '') + // highlight unselectable days
1479	(otherMonth && !showOtherMonths ? '' : ' ' + daySettings[1] + // highlight custom dates
1480	(printDate.getTime() == currentDate.getTime() ? ' ' + this._currentClass : '') + // highlight selected day
1481	(printDate.getTime() == today.getTime() ? ' ui-datepicker-today' : '')) + '"' + // highlight today (if different)
1482	((!otherMonth \|\| showOtherMonths) && daySettings[2] ? ' title="' + daySettings[2] + '"' : '') + // cell title
1483	(unselectable ? '' : ' onclick="DP_jQuery_' + dpuuid + '.datepicker._selectDay(\'#' +
1484	inst.id + '\',' + printDate.getMonth() + ',' + printDate.getFullYear() + ', this);return false;"') + '>' + // actions
1485	(otherMonth && !showOtherMonths ? ' ' : // display for other months
1486	(unselectable ? '<span class="ui-state-default">' + printDate.getDate() + '</span>' : '<a class="ui-state-default' +
1487	(printDate.getTime() == today.getTime() ? ' ui-state-highlight' : '') +
1488	(printDate.getTime() == currentDate.getTime() ? ' ui-state-active' : '') + // highlight selected day
1489	(otherMonth ? ' ui-priority-secondary' : '') + // distinguish dates from other months
1490	'" href="#">' + printDate.getDate() + '</a>')) + '</td>'; // display selectable date
1491	printDate.setDate(printDate.getDate() + 1);
1492	printDate = this._daylightSavingAdjust(printDate);
1493	}
1494	calender += tbody + '</tr>';
1495	}
1496	drawMonth++;
1497	if (drawMonth > 11) {
1498	drawMonth = 0;
1499	drawYear++;
1500	}
1501	calender += '</tbody></table>' + (isMultiMonth ? '</div>' +
1502	((numMonths[0] > 0 && col == numMonths[1]-1) ? '<div class="ui-datepicker-row-break"></div>' : '') : '');
1503	group += calender;
1504	}
1505	html += group;
1506	}
1507	html += buttonPanel + ($.browser.msie && parseInt($.browser.version,10) < 7 && !inst.inline ?
1508	'<iframe src="javascript:false;" class="ui-datepicker-cover" frameborder="0"></iframe>' : '');
1509	inst._keyEvent = false;
1510	return html;
1511	},
1512
1513	/* Generate the month and year header. */
1514	_generateMonthYearHeader: function(inst, drawMonth, drawYear, minDate, maxDate,
1515	secondary, monthNames, monthNamesShort) {
1516	var changeMonth = this._get(inst, 'changeMonth');
1517	var changeYear = this._get(inst, 'changeYear');
1518	var showMonthAfterYear = this._get(inst, 'showMonthAfterYear');
1519	var html = '<div class="ui-datepicker-title">';
1520	var monthHtml = '';
1521	// month selection
1522	if (secondary \|\| !changeMonth)
1523	monthHtml += '<span class="ui-datepicker-month">' + monthNames[drawMonth] + '</span> ';
1524	else {
1525	var inMinYear = (minDate && minDate.getFullYear() == drawYear);
1526	var inMaxYear = (maxDate && maxDate.getFullYear() == drawYear);
1527	monthHtml += '<select class="ui-datepicker-month" ' +
1528	'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'M\');" ' +
1529	'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1530	'>';
1531	for (var month = 0; month < 12; month++) {
1532	if ((!inMinYear \|\| month >= minDate.getMonth()) &&
1533	(!inMaxYear \|\| month <= maxDate.getMonth()))
1534	monthHtml += '<option value="' + month + '"' +
1535	(month == drawMonth ? ' selected="selected"' : '') +
1536	'>' + monthNamesShort[month] + '</option>';
1537	}
1538	monthHtml += '</select>';
1539	}
1540	if (!showMonthAfterYear)
1541	html += monthHtml + ((secondary \|\| changeMonth \|\| changeYear) && (!(changeMonth && changeYear)) ? ' ' : '');
1542	// year selection
1543	if (secondary \|\| !changeYear)
1544	html += '<span class="ui-datepicker-year">' + drawYear + '</span>';
1545	else {
1546	// determine range of years to display
1547	var years = this._get(inst, 'yearRange').split(':');
1548	var thisYear = new Date().getFullYear();
1549	var determineYear = function(value) {
1550	var year = (value.match(/c[+-].*/) ? drawYear + parseInt(value.substring(1), 10) :
1551	(value.match(/[+-].*/) ? thisYear + parseInt(value, 10) :
1552	parseInt(value, 10)));
1553	return (isNaN(year) ? thisYear : year);
1554	};
1555	var year = determineYear(years[0]);
1556	var endYear = Math.max(year, determineYear(years[1] \|\| ''));
1557	year = (minDate ? Math.max(year, minDate.getFullYear()) : year);
1558	endYear = (maxDate ? Math.min(endYear, maxDate.getFullYear()) : endYear);
1559	html += '<select class="ui-datepicker-year" ' +
1560	'onchange="DP_jQuery_' + dpuuid + '.datepicker._selectMonthYear(\'#' + inst.id + '\', this, \'Y\');" ' +
1561	'onclick="DP_jQuery_' + dpuuid + '.datepicker._clickMonthYear(\'#' + inst.id + '\');"' +
1562	'>';
1563	for (; year <= endYear; year++) {
1564	html += '<option value="' + year + '"' +
1565	(year == drawYear ? ' selected="selected"' : '') +
1566	'>' + year + '</option>';
1567	}
1568	html += '</select>';
1569	}
1570	html += this._get(inst, 'yearSuffix');
1571	if (showMonthAfterYear)
1572	html += ((secondary \|\| changeMonth \|\| changeYear) && (!(changeMonth && changeYear)) ? ' ' : '') + monthHtml;
1573	html += '</div>'; // Close datepicker_header
1574	return html;
1575	},
1576
1577	/* Adjust one of the date sub-fields. */
1578	_adjustInstDate: function(inst, offset, period) {
1579	var year = inst.drawYear + (period == 'Y' ? offset : 0);
1580	var month = inst.drawMonth + (period == 'M' ? offset : 0);
1581	var day = Math.min(inst.selectedDay, this._getDaysInMonth(year, month)) +
1582	(period == 'D' ? offset : 0);
1583	var date = this._restrictMinMax(inst,
1584	this._daylightSavingAdjust(new Date(year, month, day)));
1585	inst.selectedDay = date.getDate();
1586	inst.drawMonth = inst.selectedMonth = date.getMonth();
1587	inst.drawYear = inst.selectedYear = date.getFullYear();
1588	if (period == 'M' \|\| period == 'Y')
1589	this._notifyChange(inst);
1590	},
1591
1592	/* Ensure a date is within any min/max bounds. */
1593	_restrictMinMax: function(inst, date) {
1594	var minDate = this._getMinMaxDate(inst, 'min');
1595	var maxDate = this._getMinMaxDate(inst, 'max');
1596	date = (minDate && date < minDate ? minDate : date);
1597	date = (maxDate && date > maxDate ? maxDate : date);
1598	return date;
1599	},
1600
1601	/* Notify change of month/year. */
1602	_notifyChange: function(inst) {
1603	var onChange = this._get(inst, 'onChangeMonthYear');
1604	if (onChange)
1605	onChange.apply((inst.input ? inst.input[0] : null),
1606	[inst.selectedYear, inst.selectedMonth + 1, inst]);
1607	},
1608
1609	/* Determine the number of months to show. */
1610	_getNumberOfMonths: function(inst) {
1611	var numMonths = this._get(inst, 'numberOfMonths');
1612	return (numMonths == null ? [1, 1] : (typeof numMonths == 'number' ? [1, numMonths] : numMonths));
1613	},
1614
1615	/* Determine the current maximum date - ensure no time components are set. */
1616	_getMinMaxDate: function(inst, minMax) {
1617	return this._determineDate(inst, this._get(inst, minMax + 'Date'), null);
1618	},
1619
1620	/* Find the number of days in a given month. */
1621	_getDaysInMonth: function(year, month) {
1622	return 32 - new Date(year, month, 32).getDate();
1623	},
1624
1625	/* Find the day of the week of the first of a month. */
1626	_getFirstDayOfMonth: function(year, month) {
1627	return new Date(year, month, 1).getDay();
1628	},
1629
1630	/* Determines if we should allow a "next/prev" month display change. */
1631	_canAdjustMonth: function(inst, offset, curYear, curMonth) {
1632	var numMonths = this._getNumberOfMonths(inst);
1633	var date = this._daylightSavingAdjust(new Date(curYear,
1634	curMonth + (offset < 0 ? offset : numMonths[0] * numMonths[1]), 1));
1635	if (offset < 0)
1636	date.setDate(this._getDaysInMonth(date.getFullYear(), date.getMonth()));
1637	return this._isInRange(inst, date);
1638	},
1639
1640	/* Is the given date in the accepted range? */
1641	_isInRange: function(inst, date) {
1642	var minDate = this._getMinMaxDate(inst, 'min');
1643	var maxDate = this._getMinMaxDate(inst, 'max');
1644	return ((!minDate \|\| date.getTime() >= minDate.getTime()) &&
1645	(!maxDate \|\| date.getTime() <= maxDate.getTime()));
1646	},
1647
1648	/* Provide the configuration settings for formatting/parsing. */
1649	_getFormatConfig: function(inst) {
1650	var shortYearCutoff = this._get(inst, 'shortYearCutoff');
1651	shortYearCutoff = (typeof shortYearCutoff != 'string' ? shortYearCutoff :
1652	new Date().getFullYear() % 100 + parseInt(shortYearCutoff, 10));
1653	return {shortYearCutoff: shortYearCutoff,
1654	dayNamesShort: this._get(inst, 'dayNamesShort'), dayNames: this._get(inst, 'dayNames'),
1655	monthNamesShort: this._get(inst, 'monthNamesShort'), monthNames: this._get(inst, 'monthNames')};
1656	},
1657
1658	/* Format the given date for display. */
1659	_formatDate: function(inst, day, month, year) {
1660	if (!day) {
1661	inst.currentDay = inst.selectedDay;
1662	inst.currentMonth = inst.selectedMonth;
1663	inst.currentYear = inst.selectedYear;
1664	}
1665	var date = (day ? (typeof day == 'object' ? day :
1666	this._daylightSavingAdjust(new Date(year, month, day))) :
1667	this._daylightSavingAdjust(new Date(inst.currentYear, inst.currentMonth, inst.currentDay)));
1668	return this.formatDate(this._get(inst, 'dateFormat'), date, this._getFormatConfig(inst));
1669	}
1670	});
1671
1672	/* jQuery extend now ignores nulls! */
1673	function extendRemove(target, props) {
1674	$.extend(target, props);
1675	for (var name in props)
1676	if (props[name] == null \|\| props[name] == undefined)
1677	target[name] = props[name];
1678	return target;
1679	};
1680
1681	/* Determine whether an object is an array. */
1682	function isArray(a) {
1683	return (a && (($.browser.safari && typeof a == 'object' && a.length) \|\|
1684	(a.constructor && a.constructor.toString().match(/\Array\(\)/))));
1685	};
1686
1687	/* Invoke the datepicker functionality.
1688	@param options string - a command, optionally followed by additional parameters or
1689	Object - settings for attaching new datepicker functionality
1690	@return jQuery object */
1691	$.fn.datepicker = function(options){
1692
1693	/* Initialise the date picker. */
1694	if (!$.datepicker.initialized) {
1695	$(document).mousedown($.datepicker._checkExternalClick).
1696	find('body').append($.datepicker.dpDiv);
1697	$.datepicker.initialized = true;
1698	}
1699
1700	var otherArgs = Array.prototype.slice.call(arguments, 1);
1701	if (typeof options == 'string' && (options == 'isDisabled' \|\| options == 'getDate' \|\| options == 'widget'))
1702	return $.datepicker['_' + options + 'Datepicker'].
1703	apply($.datepicker, [this[0]].concat(otherArgs));
1704	if (options == 'option' && arguments.length == 2 && typeof arguments[1] == 'string')
1705	return $.datepicker['_' + options + 'Datepicker'].
1706	apply($.datepicker, [this[0]].concat(otherArgs));
1707	return this.each(function() {
1708	typeof options == 'string' ?
1709	$.datepicker['_' + options + 'Datepicker'].
1710	apply($.datepicker, [this].concat(otherArgs)) :
1711	$.datepicker._attachDatepicker(this, options);
1712	});
1713	};
1714
1715	$.datepicker = new Datepicker(); // singleton instance
1716	$.datepicker.initialized = false;
1717	$.datepicker.uuid = new Date().getTime();
1718	$.datepicker.version = "1.8rc1";
1719
1720	// Workaround for #4055
1721	// Add another global to avoid noConflict issues with inline event handlers
1722	window['DP_jQuery_' + dpuuid] = $;
1723
1724	})(jQuery);

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