https://muaythaiontario.org/wp-content/plugins/gravityforms/js/datepicker.js?ver=2.4.16.10

1jQuery(document).ready(gformInitDatepicker);
2
3function gformInitDatepicker() {
4    jQuery('.datepicker').each(function () {
5    	var $element = jQuery(this);
6	    gformInitSingleDatepicker( $element) ;
7    });
8}
9
10function gformInitSingleDatepicker( $element ) {
11	var inputId = $element.attr( 'id' ) ? $element.attr( 'id' ) : '',
12		optionsObj = {
13			yearRange: '-100:+20',
14			showOn: 'focus',
15			dateFormat: 'mm/dd/yy',
16			changeMonth: true,
17			changeYear: true,
18			suppressDatePicker: false,
19			onClose: function () {
20				$element.focus();
21				var self = this;
22				this.suppressDatePicker = true;
23				setTimeout( function() {
24					self.suppressDatePicker = false;
25				}, 200 );
26			},
27			beforeShow: function( input, inst ) {
28				return ! this.suppressDatePicker;
29			}
30		};
31
32	if ($element.hasClass('dmy')) {
33		optionsObj.dateFormat = 'dd/mm/yy';
34	} else if ($element.hasClass('dmy_dash')) {
35		optionsObj.dateFormat = 'dd-mm-yy';
36	} else if ($element.hasClass('dmy_dot')) {
37		optionsObj.dateFormat = 'dd.mm.yy';
38	} else if ($element.hasClass('ymd_slash')) {
39		optionsObj.dateFormat = 'yy/mm/dd';
40	} else if ($element.hasClass('ymd_dash')) {
41		optionsObj.dateFormat = 'yy-mm-dd';
42	} else if ($element.hasClass('ymd_dot')) {
43		optionsObj.dateFormat = 'yy.mm.dd';
44	}
45
46	if ($element.hasClass('datepicker_with_icon')) {
47		optionsObj.showOn = 'both';
48		optionsObj.buttonImage = $element.parent().siblings("[id^='gforms_calendar_icon_input']").val();
49		optionsObj.buttonImageOnly = true;
50		optionsObj.buttonText = '';
51	}
52
53	inputId = inputId.split('_');
54
55	// allow the user to override the datepicker options object
56	optionsObj = gform.applyFilters('gform_datepicker_options_pre_init', optionsObj, inputId[1], inputId[2]);
57
58	$element.datepicker(optionsObj);
59
60	// We give the input focus after selecting a date which differs from default Datepicker behavior; this prevents
61	// users from clicking on the input again to open the datepicker. Let's add a manual click event to handle this.
62	if( $element.is( ':input' ) ) {
63		$element.click( function() {
64			$element.datepicker( 'show' );
65		} );
66	}
67
68}