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client.js.lib.jquery-ui.addons.jquery-ui-timepicker.js Maven / Gradle / Ivy

/*
 * jQuery timepicker addon
 * By: Trent Richardson [http://trentrichardson.com]
 * Version 1.1.1
 * Last Modified: 11/07/2012
 *
 * Copyright 2012 Trent Richardson
 * You may use this project under MIT or GPL licenses.
 * http://trentrichardson.com/Impromptu/GPL-LICENSE.txt
 * http://trentrichardson.com/Impromptu/MIT-LICENSE.txt
 */

/*jslint evil: true, white: false, undef: false, nomen: false */

(function($) {

	/*
	* Lets not redefine timepicker, Prevent "Uncaught RangeError: Maximum call stack size exceeded"
	*/
	$.ui.timepicker = $.ui.timepicker || {};
	if ($.ui.timepicker.version) {
		return;
	}

	/*
	* Extend jQueryUI, get it started with our version number
	*/
	$.extend($.ui, {
		timepicker: {
			version: "1.1.1"
		}
	});

	/* 
	* Timepicker manager.
	* Use the singleton instance of this class, $.timepicker, to interact with the time picker.
	* Settings for (groups of) time pickers are maintained in an instance object,
	* allowing multiple different settings on the same page.
	*/
	function Timepicker() {
		this.regional = []; // Available regional settings, indexed by language code
		this.regional[''] = { // Default regional settings
			currentText: 'Now',
			closeText: 'Done',
			amNames: ['AM', 'A'],
			pmNames: ['PM', 'P'],
			timeFormat: 'HH:mm',
			timeSuffix: '',
			timeOnlyTitle: 'Choose Time',
			timeText: 'Time',
			hourText: 'Hour',
			minuteText: 'Minute',
			secondText: 'Second',
			millisecText: 'Millisecond',
			timezoneText: 'Time Zone',
			isRTL: false
		};
		this._defaults = { // Global defaults for all the datetime picker instances
			showButtonPanel: true,
			timeOnly: false,
			showHour: true,
			showMinute: true,
			showSecond: false,
			showMillisec: false,
			showTimezone: false,
			showTime: true,
			stepHour: 1,
			stepMinute: 1,
			stepSecond: 1,
			stepMillisec: 1,
			hour: 0,
			minute: 0,
			second: 0,
			millisec: 0,
			timezone: null,
			useLocalTimezone: false,
			defaultTimezone: "+0000",
			hourMin: 0,
			minuteMin: 0,
			secondMin: 0,
			millisecMin: 0,
			hourMax: 23,
			minuteMax: 59,
			secondMax: 59,
			millisecMax: 999,
			minDateTime: null,
			maxDateTime: null,
			onSelect: null,
			hourGrid: 0,
			minuteGrid: 0,
			secondGrid: 0,
			millisecGrid: 0,
			alwaysSetTime: true,
			separator: ' ',
			altFieldTimeOnly: true,
			altTimeFormat: null,
			altSeparator: null,
			altTimeSuffix: null,
			pickerTimeFormat: null,
			pickerTimeSuffix: null,
			showTimepicker: true,
			timezoneIso8601: false,
			timezoneList: null,
			addSliderAccess: false,
			sliderAccessArgs: null,
			controlType: 'slider',
			defaultValue: null,
			parse: 'strict'
		};
		$.extend(this._defaults, this.regional['']);
	}

	$.extend(Timepicker.prototype, {
		$input: null,
		$altInput: null,
		$timeObj: null,
		inst: null,
		hour_slider: null,
		minute_slider: null,
		second_slider: null,
		millisec_slider: null,
		timezone_select: null,
		hour: 0,
		minute: 0,
		second: 0,
		millisec: 0,
		timezone: null,
		defaultTimezone: "+0000",
		hourMinOriginal: null,
		minuteMinOriginal: null,
		secondMinOriginal: null,
		millisecMinOriginal: null,
		hourMaxOriginal: null,
		minuteMaxOriginal: null,
		secondMaxOriginal: null,
		millisecMaxOriginal: null,
		ampm: '',
		formattedDate: '',
		formattedTime: '',
		formattedDateTime: '',
		timezoneList: null,
		units: ['hour','minute','second','millisec'],
		control: null,

		/* 
		* Override the default settings for all instances of the time picker.
		* @param  settings  object - the new settings to use as defaults (anonymous object)
		* @return the manager object
		*/
		setDefaults: function(settings) {
			extendRemove(this._defaults, settings || {});
			return this;
		},

		/*
		* Create a new Timepicker instance
		*/
		_newInst: function($input, o) {
			var tp_inst = new Timepicker(),
				inlineSettings = {},
                fns = {},
		        overrides, i;

			for (var attrName in this._defaults) {
				if(this._defaults.hasOwnProperty(attrName)){
					var attrValue = $input.attr('time:' + attrName);
					if (attrValue) {
						try {
							inlineSettings[attrName] = eval(attrValue);
						} catch (err) {
							inlineSettings[attrName] = attrValue;
						}
					}
				}
			}
		    overrides = {
		        beforeShow: function (input, dp_inst) {
		            if ($.isFunction(tp_inst._defaults.evnts.beforeShow)) {
		                return tp_inst._defaults.evnts.beforeShow.call($input[0], input, dp_inst, tp_inst);
		            }
		        },
		        onChangeMonthYear: function (year, month, dp_inst) {
		            // Update the time as well : this prevents the time from disappearing from the $input field.
		            tp_inst._updateDateTime(dp_inst);
		            if ($.isFunction(tp_inst._defaults.evnts.onChangeMonthYear)) {
		                tp_inst._defaults.evnts.onChangeMonthYear.call($input[0], year, month, dp_inst, tp_inst);
		            }
		        },
		        onClose: function (dateText, dp_inst) {
		            if (tp_inst.timeDefined === true && $input.val() !== '') {
		                tp_inst._updateDateTime(dp_inst);
		            }
		            if ($.isFunction(tp_inst._defaults.evnts.onClose)) {
		                tp_inst._defaults.evnts.onClose.call($input[0], dateText, dp_inst, tp_inst);
		            }
		        }
		    };
		    for (i in overrides) {
		        if (overrides.hasOwnProperty(i)) {
		            fns[i] = o[i] || null;
		        }
		    }
		    tp_inst._defaults = $.extend({}, this._defaults, inlineSettings, o, overrides, {
		        evnts:fns,
		        timepicker: tp_inst // add timepicker as a property of datepicker: $.datepicker._get(dp_inst, 'timepicker');
		    });
			tp_inst.amNames = $.map(tp_inst._defaults.amNames, function(val) {
				return val.toUpperCase();
			});
			tp_inst.pmNames = $.map(tp_inst._defaults.pmNames, function(val) {
				return val.toUpperCase();
			});

			// controlType is string - key to our this._controls
			if(typeof(tp_inst._defaults.controlType) === 'string'){
				if($.fn[tp_inst._defaults.controlType] === undefined){
					tp_inst._defaults.controlType = 'select';
				}
				tp_inst.control = tp_inst._controls[tp_inst._defaults.controlType];
			}
			// controlType is an object and must implement create, options, value methods
			else{ 
				tp_inst.control = tp_inst._defaults.controlType;
			}

			if (tp_inst._defaults.timezoneList === null) {
				var timezoneList = ['-1200', '-1100', '-1000', '-0930', '-0900', '-0800', '-0700', '-0600', '-0500', '-0430', '-0400', '-0330', '-0300', '-0200', '-0100', '+0000', 
									'+0100', '+0200', '+0300', '+0330', '+0400', '+0430', '+0500', '+0530', '+0545', '+0600', '+0630', '+0700', '+0800', '+0845', '+0900', '+0930', 
									'+1000', '+1030', '+1100', '+1130', '+1200', '+1245', '+1300', '+1400'];

				if (tp_inst._defaults.timezoneIso8601) {
					timezoneList = $.map(timezoneList, function(val) {
						return val == '+0000' ? 'Z' : (val.substring(0, 3) + ':' + val.substring(3));
					});
				}
				tp_inst._defaults.timezoneList = timezoneList;
			}

			tp_inst.timezone = tp_inst._defaults.timezone;
			tp_inst.hour = tp_inst._defaults.hour;
			tp_inst.minute = tp_inst._defaults.minute;
			tp_inst.second = tp_inst._defaults.second;
			tp_inst.millisec = tp_inst._defaults.millisec;
			tp_inst.ampm = '';
			tp_inst.$input = $input;

			if (o.altField) {
				tp_inst.$altInput = $(o.altField).css({
					cursor: 'pointer'
				}).focus(function() {
					$input.trigger("focus");
				});
			}

			if (tp_inst._defaults.minDate === 0 || tp_inst._defaults.minDateTime === 0) {
				tp_inst._defaults.minDate = new Date();
			}
			if (tp_inst._defaults.maxDate === 0 || tp_inst._defaults.maxDateTime === 0) {
				tp_inst._defaults.maxDate = new Date();
			}

			// datepicker needs minDate/maxDate, timepicker needs minDateTime/maxDateTime..
			if (tp_inst._defaults.minDate !== undefined && tp_inst._defaults.minDate instanceof Date) {
				tp_inst._defaults.minDateTime = new Date(tp_inst._defaults.minDate.getTime());
			}
			if (tp_inst._defaults.minDateTime !== undefined && tp_inst._defaults.minDateTime instanceof Date) {
				tp_inst._defaults.minDate = new Date(tp_inst._defaults.minDateTime.getTime());
			}
			if (tp_inst._defaults.maxDate !== undefined && tp_inst._defaults.maxDate instanceof Date) {
				tp_inst._defaults.maxDateTime = new Date(tp_inst._defaults.maxDate.getTime());
			}
			if (tp_inst._defaults.maxDateTime !== undefined && tp_inst._defaults.maxDateTime instanceof Date) {
				tp_inst._defaults.maxDate = new Date(tp_inst._defaults.maxDateTime.getTime());
			}
			tp_inst.$input.bind('focus', function() {
				tp_inst._onFocus();
			});

			return tp_inst;
		},

		/*
		* add our sliders to the calendar
		*/
		_addTimePicker: function(dp_inst) {
			var currDT = (this.$altInput && this._defaults.altFieldTimeOnly) ? this.$input.val() + ' ' + this.$altInput.val() : this.$input.val();

			this.timeDefined = this._parseTime(currDT);
			this._limitMinMaxDateTime(dp_inst, false);
			this._injectTimePicker();
		},

		/*
		* parse the time string from input value or _setTime
		*/
		_parseTime: function(timeString, withDate) {
			if (!this.inst) {
				this.inst = $.datepicker._getInst(this.$input[0]);
			}

			if (withDate || !this._defaults.timeOnly) {
				var dp_dateFormat = $.datepicker._get(this.inst, 'dateFormat');
				try {
					var parseRes = parseDateTimeInternal(dp_dateFormat, this._defaults.timeFormat, timeString, $.datepicker._getFormatConfig(this.inst), this._defaults);
					if (!parseRes.timeObj) {
						return false;
					}
					$.extend(this, parseRes.timeObj);
				} catch (err) {
					$.datepicker.log("Error parsing the date/time string: " + err +
									"\ndate/time string = " + timeString +
									"\ntimeFormat = " + this._defaults.timeFormat +
									"\ndateFormat = " + dp_dateFormat);
					return false;
				}
				return true;
			} else {
				var timeObj = $.datepicker.parseTime(this._defaults.timeFormat, timeString, this._defaults);
				if (!timeObj) {
					return false;
				}
				$.extend(this, timeObj);
				return true;
			}
		},

		/*
		* generate and inject html for timepicker into ui datepicker
		*/
		_injectTimePicker: function() {
			var $dp = this.inst.dpDiv,
				o = this.inst.settings,
				tp_inst = this,
				litem = '',
				uitem = '',
				max = {},
				gridSize = {},
				size = null;

			// Prevent displaying twice
			if ($dp.find("div.ui-timepicker-div").length === 0 && o.showTimepicker) {
				var noDisplay = ' style="display:none;"',
					html = '
' + '
' + o.timeText + '
' + 
								'
';

				// Create the markup
				for(var i=0,l=this.units.length; i' + o[litem +'Text'] + '' + 
								'
';

					if (o['show'+uitem] && o[litem+'Grid'] > 0) {
						html += '
';

						if(litem == 'hour'){
							for (var h = o[litem+'Min']; h <= max[litem]; h += parseInt(o[litem+'Grid'], 10)) {
								gridSize[litem]++;
								var tmph = $.datepicker.formatTime(useAmpm(o.pickerTimeFormat || o.timeFormat)? 'hht':'HH', {hour:h}, o);									
								html += '';
							}
						}
						else{
							for (var m = o[litem+'Min']; m <= max[litem]; m += parseInt(o[litem+'Grid'], 10)) {
								gridSize[litem]++;
								html += '';
							}
						}

						html += '
' + tmph + '
' + ((m < 10) ? '0' : '') + m + '
';
					}
					html += '
';
				}
				
				// Timezone
				html += '
' + o.timezoneText + '
';
				html += '
';

				// Create the elements from string
				html += '
';
				var $tp = $(html);

				// if we only want time picker...
				if (o.timeOnly === true) {
					$tp.prepend('
' + '
' + o.timeOnlyTitle + '
' + '
');
					$dp.find('.ui-datepicker-header, .ui-datepicker-calendar').hide();
				}
				
				// add sliders, adjust grids, add events
				for(var i=0,l=tp_inst.units.length; i 0) {
						size = 100 * gridSize[litem] * o[litem+'Grid'] / (max[litem] - o[litem+'Min']);
						$tp.find('.ui_tpicker_'+litem+' table').css({
							width: size + "%",
							marginLeft: o.isRTL? '0' : ((size / (-2 * gridSize[litem])) + "%"),
							marginRight: o.isRTL? ((size / (-2 * gridSize[litem])) + "%") : '0',
							borderCollapse: 'collapse'
						}).find("td").click(function(e){
								var $t = $(this),
									h = $t.html(),
									n = parseInt(h.replace(/[^0-9]/g),10),
									ap = h.replace(/[^apm]/ig),
									f = $t.data('for'); // loses scope, so we use data-for

								if(f == 'hour'){
									if(ap.indexOf('p') !== -1 && n < 12){
										n += 12;
									}
									else{
										if(ap.indexOf('a') !== -1 && n === 12){
											n = 0;
										}
									}
								}
								
								tp_inst.control.value(tp_inst, tp_inst[f+'_slider'], litem, n);

								tp_inst._onTimeChange();
								tp_inst._onSelectHandler();
							})
						.css({
								cursor: 'pointer',
								width: (100 / gridSize[litem]) + '%',
								textAlign: 'center',
								overflow: 'hidden'
							});
					} // end if grid > 0
				} // end for loop

				// Add timezone options
				this.timezone_select = $tp.find('.ui_tpicker_timezone').append('').find("select");
				$.fn.append.apply(this.timezone_select,
				$.map(o.timezoneList, function(val, idx) {
					return $("").val(typeof val == "object" ? val.value : val).text(typeof val == "object" ? val.label : val);
				}));
				if (typeof(this.timezone) != "undefined" && this.timezone !== null && this.timezone !== "") {
					var local_date = new Date(this.inst.selectedYear, this.inst.selectedMonth, this.inst.selectedDay, 12);
					var local_timezone = $.timepicker.timeZoneOffsetString(local_date);
					if (local_timezone == this.timezone) {
						selectLocalTimeZone(tp_inst);
					} else {
						this.timezone_select.val(this.timezone);
					}
				} else {
					if (typeof(this.hour) != "undefined" && this.hour !== null && this.hour !== "") {
						this.timezone_select.val(o.defaultTimezone);
					} else {
						selectLocalTimeZone(tp_inst);
					}
				}
				this.timezone_select.change(function() {
					tp_inst._defaults.useLocalTimezone = false;
					tp_inst._onTimeChange();
				});
				// End timezone options
				
				// inject timepicker into datepicker
				var $buttonPanel = $dp.find('.ui-datepicker-buttonpane');
				if ($buttonPanel.length) {
					$buttonPanel.before($tp);
				} else {
					$dp.append($tp);
				}

				this.$timeObj = $tp.find('.ui_tpicker_time');

				if (this.inst !== null) {
					var timeDefined = this.timeDefined;
					this._onTimeChange();
					this.timeDefined = timeDefined;
				}

				// slideAccess integration: http://trentrichardson.com/2011/11/11/jquery-ui-sliders-and-touch-accessibility/
				if (this._defaults.addSliderAccess) {
					var sliderAccessArgs = this._defaults.sliderAccessArgs,
						rtl = this._defaults.isRTL;
					sliderAccessArgs.isRTL = rtl;
						
					setTimeout(function() { // fix for inline mode
						if ($tp.find('.ui-slider-access').length === 0) {
							$tp.find('.ui-slider:visible').sliderAccess(sliderAccessArgs);

							// fix any grids since sliders are shorter
							var sliderAccessWidth = $tp.find('.ui-slider-access:eq(0)').outerWidth(true);
							if (sliderAccessWidth) {
								$tp.find('table:visible').each(function() {
									var $g = $(this),
										oldWidth = $g.outerWidth(),
										oldMarginLeft = $g.css(rtl? 'marginRight':'marginLeft').toString().replace('%', ''),
										newWidth = oldWidth - sliderAccessWidth,
										newMarginLeft = ((oldMarginLeft * newWidth) / oldWidth) + '%',
										css = { width: newWidth, marginRight: 0, marginLeft: 0 };
									css[rtl? 'marginRight':'marginLeft'] = newMarginLeft;
									$g.css(css);
								});
							}
						}
					}, 10);
				}
				// end slideAccess integration

			}
		},

		/*
		* This function tries to limit the ability to go outside the
		* min/max date range
		*/
		_limitMinMaxDateTime: function(dp_inst, adjustSliders) {
			var o = this._defaults,
				dp_date = new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay);

			if (!this._defaults.showTimepicker) {
				return;
			} // No time so nothing to check here

			if ($.datepicker._get(dp_inst, 'minDateTime') !== null && $.datepicker._get(dp_inst, 'minDateTime') !== undefined && dp_date) {
				var minDateTime = $.datepicker._get(dp_inst, 'minDateTime'),
					minDateTimeDate = new Date(minDateTime.getFullYear(), minDateTime.getMonth(), minDateTime.getDate(), 0, 0, 0, 0);

				if (this.hourMinOriginal === null || this.minuteMinOriginal === null || this.secondMinOriginal === null || this.millisecMinOriginal === null) {
					this.hourMinOriginal = o.hourMin;
					this.minuteMinOriginal = o.minuteMin;
					this.secondMinOriginal = o.secondMin;
					this.millisecMinOriginal = o.millisecMin;
				}

				if (dp_inst.settings.timeOnly || minDateTimeDate.getTime() == dp_date.getTime()) {
					this._defaults.hourMin = minDateTime.getHours();
					if (this.hour <= this._defaults.hourMin) {
						this.hour = this._defaults.hourMin;
						this._defaults.minuteMin = minDateTime.getMinutes();
						if (this.minute <= this._defaults.minuteMin) {
							this.minute = this._defaults.minuteMin;
							this._defaults.secondMin = minDateTime.getSeconds();
							if (this.second <= this._defaults.secondMin) {
								this.second = this._defaults.secondMin;
								this._defaults.millisecMin = minDateTime.getMilliseconds();
							} else {
								if (this.millisec < this._defaults.millisecMin) {
									this.millisec = this._defaults.millisecMin;
								}
								this._defaults.millisecMin = this.millisecMinOriginal;
							}
						} else {
							this._defaults.secondMin = this.secondMinOriginal;
							this._defaults.millisecMin = this.millisecMinOriginal;
						}
					} else {
						this._defaults.minuteMin = this.minuteMinOriginal;
						this._defaults.secondMin = this.secondMinOriginal;
						this._defaults.millisecMin = this.millisecMinOriginal;
					}
				} else {
					this._defaults.hourMin = this.hourMinOriginal;
					this._defaults.minuteMin = this.minuteMinOriginal;
					this._defaults.secondMin = this.secondMinOriginal;
					this._defaults.millisecMin = this.millisecMinOriginal;
				}
			}

			if ($.datepicker._get(dp_inst, 'maxDateTime') !== null && $.datepicker._get(dp_inst, 'maxDateTime') !== undefined && dp_date) {
				var maxDateTime = $.datepicker._get(dp_inst, 'maxDateTime'),
					maxDateTimeDate = new Date(maxDateTime.getFullYear(), maxDateTime.getMonth(), maxDateTime.getDate(), 0, 0, 0, 0);

				if (this.hourMaxOriginal === null || this.minuteMaxOriginal === null || this.secondMaxOriginal === null) {
					this.hourMaxOriginal = o.hourMax;
					this.minuteMaxOriginal = o.minuteMax;
					this.secondMaxOriginal = o.secondMax;
					this.millisecMaxOriginal = o.millisecMax;
				}

				if (dp_inst.settings.timeOnly || maxDateTimeDate.getTime() == dp_date.getTime()) {
					this._defaults.hourMax = maxDateTime.getHours();
					if (this.hour >= this._defaults.hourMax) {
						this.hour = this._defaults.hourMax;
						this._defaults.minuteMax = maxDateTime.getMinutes();
						if (this.minute >= this._defaults.minuteMax) {
							this.minute = this._defaults.minuteMax;
							this._defaults.secondMax = maxDateTime.getSeconds();
						} else if (this.second >= this._defaults.secondMax) {
							this.second = this._defaults.secondMax;
							this._defaults.millisecMax = maxDateTime.getMilliseconds();
						} else {
							if (this.millisec > this._defaults.millisecMax) {
								this.millisec = this._defaults.millisecMax;
							}
							this._defaults.millisecMax = this.millisecMaxOriginal;
						}
					} else {
						this._defaults.minuteMax = this.minuteMaxOriginal;
						this._defaults.secondMax = this.secondMaxOriginal;
						this._defaults.millisecMax = this.millisecMaxOriginal;
					}
				} else {
					this._defaults.hourMax = this.hourMaxOriginal;
					this._defaults.minuteMax = this.minuteMaxOriginal;
					this._defaults.secondMax = this.secondMaxOriginal;
					this._defaults.millisecMax = this.millisecMaxOriginal;
				}
			}

			if (adjustSliders !== undefined && adjustSliders === true) {
				var hourMax = parseInt((this._defaults.hourMax - ((this._defaults.hourMax - this._defaults.hourMin) % this._defaults.stepHour)), 10),
					minMax = parseInt((this._defaults.minuteMax - ((this._defaults.minuteMax - this._defaults.minuteMin) % this._defaults.stepMinute)), 10),
					secMax = parseInt((this._defaults.secondMax - ((this._defaults.secondMax - this._defaults.secondMin) % this._defaults.stepSecond)), 10),
					millisecMax = parseInt((this._defaults.millisecMax - ((this._defaults.millisecMax - this._defaults.millisecMin) % this._defaults.stepMillisec)), 10);

				if (this.hour_slider) {
					this.control.options(this, this.hour_slider, 'hour', { min: this._defaults.hourMin, max: hourMax });
					this.control.value(this, this.hour_slider, 'hour', this.hour);
				}
				if (this.minute_slider) {
					this.control.options(this, this.minute_slider, 'minute', { min: this._defaults.minuteMin, max: minMax });
					this.control.value(this, this.minute_slider, 'minute', this.minute);
				}
				if (this.second_slider) {
					this.control.options(this, this.second_slider, 'second', { min: this._defaults.secondMin, max: secMax });
					this.control.value(this, this.second_slider, 'second', this.second);
				}
				if (this.millisec_slider) {
					this.control.options(this, this.millisec_slider, 'millisec', { min: this._defaults.millisecMin, max: millisecMax });
					this.control.value(this, this.millisec_slider, 'millisec', this.millisec);
				}
			}

		},

		/*
		* when a slider moves, set the internal time...
		* on time change is also called when the time is updated in the text field
		*/
		_onTimeChange: function() {
			var hour = (this.hour_slider) ? this.control.value(this, this.hour_slider, 'hour') : false,
				minute = (this.minute_slider) ? this.control.value(this, this.minute_slider, 'minute') : false,
				second = (this.second_slider) ? this.control.value(this, this.second_slider, 'second') : false,
				millisec = (this.millisec_slider) ? this.control.value(this, this.millisec_slider, 'millisec') : false,
				timezone = (this.timezone_select) ? this.timezone_select.val() : false,
				o = this._defaults,
				pickerTimeFormat = o.pickerTimeFormat || o.timeFormat,
				pickerTimeSuffix = o.pickerTimeSuffix || o.timeSuffix;

			if (typeof(hour) == 'object') {
				hour = false;
			}
			if (typeof(minute) == 'object') {
				minute = false;
			}
			if (typeof(second) == 'object') {
				second = false;
			}
			if (typeof(millisec) == 'object') {
				millisec = false;
			}
			if (typeof(timezone) == 'object') {
				timezone = false;
			}

			if (hour !== false) {
				hour = parseInt(hour, 10);
			}
			if (minute !== false) {
				minute = parseInt(minute, 10);
			}
			if (second !== false) {
				second = parseInt(second, 10);
			}
			if (millisec !== false) {
				millisec = parseInt(millisec, 10);
			}

			var ampm = o[hour < 12 ? 'amNames' : 'pmNames'][0];

			// If the update was done in the input field, the input field should not be updated.
			// If the update was done using the sliders, update the input field.
			var hasChanged = (hour != this.hour || minute != this.minute || second != this.second || millisec != this.millisec 
								|| (this.ampm.length > 0 && (hour < 12) != ($.inArray(this.ampm.toUpperCase(), this.amNames) !== -1)) 
								|| ((this.timezone === null && timezone != this.defaultTimezone) || (this.timezone !== null && timezone != this.timezone)));

			if (hasChanged) {

				if (hour !== false) {
					this.hour = hour;
				}
				if (minute !== false) {
					this.minute = minute;
				}
				if (second !== false) {
					this.second = second;
				}
				if (millisec !== false) {
					this.millisec = millisec;
				}
				if (timezone !== false) {
					this.timezone = timezone;
				}

				if (!this.inst) {
					this.inst = $.datepicker._getInst(this.$input[0]);
				}

				this._limitMinMaxDateTime(this.inst, true);
			}
			if (useAmpm(o.timeFormat)) {
				this.ampm = ampm;
			}

			// Updates the time within the timepicker
			this.formattedTime = $.datepicker.formatTime(o.timeFormat, this, o);
			if (this.$timeObj) {
				if(pickerTimeFormat === o.timeFormat){
					this.$timeObj.text(this.formattedTime + pickerTimeSuffix);
				}
				else{
					this.$timeObj.text($.datepicker.formatTime(pickerTimeFormat, this, o) + pickerTimeSuffix);
				}
			}

			this.timeDefined = true;
			if (hasChanged) {
				this._updateDateTime();
			}
		},

		/*
		* call custom onSelect.
		* bind to sliders slidestop, and grid click.
		*/
		_onSelectHandler: function() {
			var onSelect = this._defaults.onSelect || this.inst.settings.onSelect;
			var inputEl = this.$input ? this.$input[0] : null;
			if (onSelect && inputEl) {
				onSelect.apply(inputEl, [this.formattedDateTime, this]);
			}
		},

		/*
		* update our input with the new date time..
		*/
		_updateDateTime: function(dp_inst) {
			dp_inst = this.inst || dp_inst;
			var dt = $.datepicker._daylightSavingAdjust(new Date(dp_inst.selectedYear, dp_inst.selectedMonth, dp_inst.selectedDay)),
				dateFmt = $.datepicker._get(dp_inst, 'dateFormat'),
				formatCfg = $.datepicker._getFormatConfig(dp_inst),
				timeAvailable = dt !== null && this.timeDefined;
			this.formattedDate = $.datepicker.formatDate(dateFmt, (dt === null ? new Date() : dt), formatCfg);
			var formattedDateTime = this.formattedDate;

			/*
			* remove following lines to force every changes in date picker to change the input value
			* Bug descriptions: when an input field has a default value, and click on the field to pop up the date picker. 
			* If the user manually empty the value in the input field, the date picker will never change selected value.
			*/
			//if (dp_inst.lastVal !== undefined && (dp_inst.lastVal.length > 0 && this.$input.val().length === 0)) {
			//	return;
			//}

			if (this._defaults.timeOnly === true) {
				formattedDateTime = this.formattedTime;
			} else if (this._defaults.timeOnly !== true && (this._defaults.alwaysSetTime || timeAvailable)) {
				formattedDateTime += this._defaults.separator + this.formattedTime + this._defaults.timeSuffix;
			}

			this.formattedDateTime = formattedDateTime;

			if (!this._defaults.showTimepicker) {
				this.$input.val(this.formattedDate);
			} else if (this.$altInput && this._defaults.altFieldTimeOnly === true) {
				this.$altInput.val(this.formattedTime);
				this.$input.val(this.formattedDate);
			} else if (this.$altInput) {
				this.$input.val(formattedDateTime);
				var altFormattedDateTime = '',
					altSeparator = this._defaults.altSeparator ? this._defaults.altSeparator : this._defaults.separator,
					altTimeSuffix = this._defaults.altTimeSuffix ? this._defaults.altTimeSuffix : this._defaults.timeSuffix;

				if (this._defaults.altFormat) altFormattedDateTime = $.datepicker.formatDate(this._defaults.altFormat, (dt === null ? new Date() : dt), formatCfg);
				else altFormattedDateTime = this.formattedDate;
				if (altFormattedDateTime) altFormattedDateTime += altSeparator;
				if (this._defaults.altTimeFormat) altFormattedDateTime += $.datepicker.formatTime(this._defaults.altTimeFormat, this, this._defaults) + altTimeSuffix;
				else altFormattedDateTime += this.formattedTime + altTimeSuffix;
				this.$altInput.val(altFormattedDateTime);
			} else {
				this.$input.val(formattedDateTime);
			}

			this.$input.trigger("change");
		},

		_onFocus: function() {
			if (!this.$input.val() && this._defaults.defaultValue) {
				this.$input.val(this._defaults.defaultValue);
				var inst = $.datepicker._getInst(this.$input.get(0)),
					tp_inst = $.datepicker._get(inst, 'timepicker');
				if (tp_inst) {
					if (tp_inst._defaults.timeOnly && (inst.input.val() != inst.lastVal)) {
						try {
							$.datepicker._updateDatepicker(inst);
						} catch (err) {
							$.datepicker.log(err);
						}
					}
				}
			}
		},

		/*
		* Small abstraction to control types
		* We can add more, just be sure to follow the pattern: create, options, value
		*/
		_controls: {
			// slider methods
			slider: {
				create: function(tp_inst, obj, unit, val, min, max, step){
					var rtl = tp_inst._defaults.isRTL; // if rtl go -60->0 instead of 0->60
					return obj.prop('slide', null).slider({
						orientation: "horizontal",
						value: rtl? val*-1 : val,
						min: rtl? max*-1 : min,
						max: rtl? min*-1 : max,
						step: step,
						slide: function(event, ui) {
							tp_inst.control.value(tp_inst, $(this), unit, rtl? ui.value*-1:ui.value);
							tp_inst._onTimeChange();
						},
						stop: function(event, ui) {
							tp_inst._onSelectHandler();
						}
					});	
				},
				options: function(tp_inst, obj, unit, opts, val){
					if(tp_inst._defaults.isRTL){
						if(typeof(opts) == 'string'){
							if(opts == 'min' || opts == 'max'){
								if(val !== undefined)
									return obj.slider(opts, val*-1);
								return Math.abs(obj.slider(opts));
							}
							return obj.slider(opts);
						}
						var min = opts.min, 
							max = opts.max;
						opts.min = opts.max = null;
						if(min !== undefined)
							opts.max = min * -1;
						if(max !== undefined)
							opts.min = max * -1;
						return obj.slider(opts);
					}
					if(typeof(opts) == 'string' && val !== undefined)
							return obj.slider(opts, val);
					return obj.slider(opts);
				},
				value: function(tp_inst, obj, unit, val){
					if(tp_inst._defaults.isRTL){
						if(val !== undefined)
							return obj.slider('value', val*-1);
						return Math.abs(obj.slider('value'));
					}
					if(val !== undefined)
						return obj.slider('value', val);
					return obj.slider('value');
				}
			},
			// select methods
			select: {
				create: function(tp_inst, obj, unit, val, min, max, step){
					var sel = '',
						ul = tp_inst._defaults.timeFormat.indexOf('t') !== -1? 'toLowerCase':'toUpperCase',
						m = 0;

					for(var i=min; i<=max; i+=step){						
						sel += '';
						if(unit == 'hour' && useAmpm(tp_inst._defaults.pickerTimeFormat || tp_inst._defaults.timeFormat))
							sel += $.datepicker.formatTime("hh TT", {hour:i}, tp_inst._defaults);
						else if(unit == 'millisec' || i >= 10) sel += i;
						else sel += '0'+ i.toString();
						sel += '';
					}
					sel += '';

					obj.children('select').remove();

					$(sel).appendTo(obj).change(function(e){
						tp_inst._onTimeChange();
						tp_inst._onSelectHandler();
					});

					return obj;
				},
				options: function(tp_inst, obj, unit, opts, val){
					var o = {},
						$t = obj.children('select');
					if(typeof(opts) == 'string'){
						if(val === undefined)
							return $t.data(opts);
						o[opts] = val;	
					}
					else o = opts;
					return tp_inst.control.create(tp_inst, obj, $t.data('unit'), $t.val(), o.min || $t.data('min'), o.max || $t.data('max'), o.step || $t.data('step'));
				},
				value: function(tp_inst, obj, unit, val){
					var $t = obj.children('select');
					if(val !== undefined)
						return $t.val(val);
					return $t.val();
				}
			}
		} // end _controls

	});

	$.fn.extend({
		/*
		* shorthand just to use timepicker..
		*/
		timepicker: function(o) {
			o = o || {};
			var tmp_args = Array.prototype.slice.call(arguments);

			if (typeof o == 'object') {
				tmp_args[0] = $.extend(o, {
					timeOnly: true
				});
			}

			return $(this).each(function() {
				$.fn.datetimepicker.apply($(this), tmp_args);
			});
		},

		/*
		* extend timepicker to datepicker
		*/
		datetimepicker: function(o) {
			o = o || {};
			var tmp_args = arguments;

			if (typeof(o) == 'string') {
				if (o == 'getDate') {
					return $.fn.datepicker.apply($(this[0]), tmp_args);
				} else {
					return this.each(function() {
						var $t = $(this);
						$t.datepicker.apply($t, tmp_args);
					});
				}
			} else {
				return this.each(function() {
					var $t = $(this);
					$t.datepicker($.timepicker._newInst($t, o)._defaults);
				});
			}
		}
	});

	/*
	* Public Utility to parse date and time
	*/
	$.datepicker.parseDateTime = function(dateFormat, timeFormat, dateTimeString, dateSettings, timeSettings) {
		var parseRes = parseDateTimeInternal(dateFormat, timeFormat, dateTimeString, dateSettings, timeSettings);
		if (parseRes.timeObj) {
			var t = parseRes.timeObj;
			parseRes.date.setHours(t.hour, t.minute, t.second, t.millisec);
		}

		return parseRes.date;
	};

	/*
	* Public utility to parse time
	*/
	$.datepicker.parseTime = function(timeFormat, timeString, options) {		
		var o = extendRemove(extendRemove({}, $.timepicker._defaults), options || {});

		// Strict parse requires the timeString to match the timeFormat exactly
		var strictParse = function(f, s, o){

			// pattern for standard and localized AM/PM markers
			var getPatternAmpm = function(amNames, pmNames) {
				var markers = [];
				if (amNames) {
					$.merge(markers, amNames);
				}
				if (pmNames) {
					$.merge(markers, pmNames);
				}
				markers = $.map(markers, function(val) {
					return val.replace(/[.*+?|()\[\]{}\\]/g, '\\$&');
				});
				return '(' + markers.join('|') + ')?';
			};

			// figure out position of time elements.. cause js cant do named captures
			var getFormatPositions = function(timeFormat) {
				var finds = timeFormat.toLowerCase().match(/(h{1,2}|m{1,2}|s{1,2}|l{1}|t{1,2}|z|'.*?')/g),
					orders = {
						h: -1,
						m: -1,
						s: -1,
						l: -1,
						t: -1,
						z: -1
					};

				if (finds) {
					for (var i = 0; i < finds.length; i++) {
						if (orders[finds[i].toString().charAt(0)] == -1) {
							orders[finds[i].toString().charAt(0)] = i + 1;
						}
					}
				}
				return orders;
			};

			var regstr = '^' + f.toString()
					.replace(/([hH]{1,2}|mm?|ss?|[tT]{1,2}|[lz]|'.*?')/g, function (match) {
							switch (match.charAt(0).toLowerCase()) {
								case 'h': return '(\\d?\\d)';
								case 'm': return '(\\d?\\d)';
								case 's': return '(\\d?\\d)';
								case 'l': return '(\\d?\\d?\\d)';
								case 'z': return '(z|[-+]\\d\\d:?\\d\\d|\\S+)?';
								case 't': return getPatternAmpm(o.amNames, o.pmNames);
								default:    // literal escaped in quotes
									return '(' + match.replace(/\'/g, "").replace(/(\.|\$|\^|\\|\/|\(|\)|\[|\]|\?|\+|\*)/g, function (m) { return "\\" + m; }) + ')?';
							}
						})
					.replace(/\s/g, '\\s?') +
					o.timeSuffix + '$',
				order = getFormatPositions(f),
				ampm = '',
				treg;

			treg = s.match(new RegExp(regstr, 'i'));

			var resTime = {
				hour: 0,
				minute: 0,
				second: 0,
				millisec: 0
			};

			if (treg) {
				if (order.t !== -1) {
					if (treg[order.t] === undefined || treg[order.t].length === 0) {
						ampm = '';
						resTime.ampm = '';
					} else {
						ampm = $.inArray(treg[order.t].toUpperCase(), o.amNames) !== -1 ? 'AM' : 'PM';
						resTime.ampm = o[ampm == 'AM' ? 'amNames' : 'pmNames'][0];
					}
				}

				if (order.h !== -1) {
					if (ampm == 'AM' && treg[order.h] == '12') {
						resTime.hour = 0; // 12am = 0 hour
					} else {
						if (ampm == 'PM' && treg[order.h] != '12') {
							resTime.hour = parseInt(treg[order.h], 10) + 12; // 12pm = 12 hour, any other pm = hour + 12
						} else {
							resTime.hour = Number(treg[order.h]);
						}
					}
				}

				if (order.m !== -1) {
					resTime.minute = Number(treg[order.m]);
				}
				if (order.s !== -1) {
					resTime.second = Number(treg[order.s]);
				}
				if (order.l !== -1) {
					resTime.millisec = Number(treg[order.l]);
				}
				if (order.z !== -1 && treg[order.z] !== undefined) {
					var tz = treg[order.z].toUpperCase();
					switch (tz.length) {
					case 1:
						// Z
						tz = o.timezoneIso8601 ? 'Z' : '+0000';
						break;
					case 5:
						// +hhmm
						if (o.timezoneIso8601) {
							tz = tz.substring(1) == '0000' ? 'Z' : tz.substring(0, 3) + ':' + tz.substring(3);
						}
						break;
					case 6:
						// +hh:mm
						if (!o.timezoneIso8601) {
							tz = tz == 'Z' || tz.substring(1) == '00:00' ? '+0000' : tz.replace(/:/, '');
						} else {
							if (tz.substring(1) == '00:00') {
								tz = 'Z';
							}
						}
						break;
					}
					resTime.timezone = tz;
				}


				return resTime;
			}
			return false;
		};// end strictParse

		// First try JS Date, if that fails, use strictParse
		var looseParse = function(f,s,o){
			try{
				var d = new Date('2012-01-01 '+ s);
				return {
					hour: d.getHours(),
					minutes: d.getMinutes(),
					seconds: d.getSeconds(),
					millisec: d.getMilliseconds(),
					timezone: $.timepicker.timeZoneOffsetString(d)
				};
			}
			catch(err){
				try{
					return strictParse(f,s,o);
				}
				catch(err2){
					$.datepicker.log("Unable to parse \ntimeString: "+ s +"\ntimeFormat: "+ f);
				}				
			}
			return false;
		}; // end looseParse
		
		if(typeof o.parse === "function"){
			return o.parse(timeFormat, timeString, o)
		}
		if(o.parse === 'loose'){
			return looseParse(timeFormat, timeString, o);
		}
		return strictParse(timeFormat, timeString, o);
	};

	/*
	* Public utility to format the time
	* format = string format of the time
	* time = a {}, not a Date() for timezones
	* options = essentially the regional[].. amNames, pmNames, ampm
	*/
	$.datepicker.formatTime = function(format, time, options) {
		options = options || {};
		options = $.extend({}, $.timepicker._defaults, options);
		time = $.extend({
			hour: 0,
			minute: 0,
			second: 0,
			millisec: 0,
			timezone: '+0000'
		}, time);

		var tmptime = format,
			ampmName = options.amNames[0],
			hour = parseInt(time.hour, 10);

		if (hour > 11) {
			ampmName = options.pmNames[0];
		}

		tmptime = tmptime.replace(/(?:HH?|hh?|mm?|ss?|[tT]{1,2}|[lz]|('.*?'|".*?"))/g, function(match) {
		switch (match) {
			case 'HH':
				return ('0' + hour).slice(-2);
			case 'H':
				return hour;
			case 'hh':
				return ('0' + convert24to12(hour)).slice(-2);
			case 'h':
				return convert24to12(hour);
			case 'mm':
				return ('0' + time.minute).slice(-2);
			case 'm':
				return time.minute;
			case 'ss':
				return ('0' + time.second).slice(-2);
			case 's':
				return time.second;
			case 'l':
				return ('00' + time.millisec).slice(-3);
			case 'z':
				return time.timezone === null? options.defaultTimezone : time.timezone;
			case 'T': 
				return ampmName.charAt(0).toUpperCase();
			case 'TT': 
				return ampmName.toUpperCase();
			case 't':
				return ampmName.charAt(0).toLowerCase();
			case 'tt':
				return ampmName.toLowerCase();
			default:
				return match.replace(/\'/g, "") || "'";
			}
		});

		tmptime = $.trim(tmptime);
		return tmptime;
	};

	/*
	* the bad hack :/ override datepicker so it doesnt close on select
	// inspired: http://stackoverflow.com/questions/1252512/jquery-datepicker-prevent-closing-picker-when-clicking-a-date/1762378#1762378
	*/
	$.datepicker._base_selectDate = $.datepicker._selectDate;
	$.datepicker._selectDate = function(id, dateStr) {
		var inst = this._getInst($(id)[0]),
			tp_inst = this._get(inst, 'timepicker');

		if (tp_inst) {
			tp_inst._limitMinMaxDateTime(inst, true);
			inst.inline = inst.stay_open = true;
			//This way the onSelect handler called from calendarpicker get the full dateTime
			this._base_selectDate(id, dateStr);
			inst.inline = inst.stay_open = false;
			this._notifyChange(inst);
			this._updateDatepicker(inst);
		} else {
			this._base_selectDate(id, dateStr);
		}
	};

	/*
	* second bad hack :/ override datepicker so it triggers an event when changing the input field
	* and does not redraw the datepicker on every selectDate event
	*/
	$.datepicker._base_updateDatepicker = $.datepicker._updateDatepicker;
	$.datepicker._updateDatepicker = function(inst) {

		// don't popup the datepicker if there is another instance already opened
		var input = inst.input[0];
		if ($.datepicker._curInst && $.datepicker._curInst != inst && $.datepicker._datepickerShowing && $.datepicker._lastInput != input) {
			return;
		}

		if (typeof(inst.stay_open) !== 'boolean' || inst.stay_open === false) {

			this._base_updateDatepicker(inst);

			// Reload the time control when changing something in the input text field.
			var tp_inst = this._get(inst, 'timepicker');
			if (tp_inst) {
				tp_inst._addTimePicker(inst);

				if (tp_inst._defaults.useLocalTimezone) { //checks daylight saving with the new date.
					var date = new Date(inst.selectedYear, inst.selectedMonth, inst.selectedDay, 12);
					selectLocalTimeZone(tp_inst, date);
					tp_inst._onTimeChange();
				}
			}
		}
	};

	/*
	* third bad hack :/ override datepicker so it allows spaces and colon in the input field
	*/
	$.datepicker._base_doKeyPress = $.datepicker._doKeyPress;
	$.datepicker._doKeyPress = function(event) {
		var inst = $.datepicker._getInst(event.target),
			tp_inst = $.datepicker._get(inst, 'timepicker');

		if (tp_inst) {
			if ($.datepicker._get(inst, 'constrainInput')) {
				var ampm = useAmpm(tp_inst._defaults.timeFormat),
					dateChars = $.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat')),
					datetimeChars = tp_inst._defaults.timeFormat.toString()
											.replace(/[hms]/g, '')
											.replace(/TT/g, ampm ? 'APM' : '')
											.replace(/Tt/g, ampm ? 'AaPpMm' : '')
											.replace(/tT/g, ampm ? 'AaPpMm' : '')
											.replace(/T/g, ampm ? 'AP' : '')
											.replace(/tt/g, ampm ? 'apm' : '')
											.replace(/t/g, ampm ? 'ap' : '') + 
											" " + tp_inst._defaults.separator + 
											tp_inst._defaults.timeSuffix + 
											(tp_inst._defaults.showTimezone ? tp_inst._defaults.timezoneList.join('') : '') + 
											(tp_inst._defaults.amNames.join('')) + (tp_inst._defaults.pmNames.join('')) + 
											dateChars,
					chr = String.fromCharCode(event.charCode === undefined ? event.keyCode : event.charCode);
				return event.ctrlKey || (chr < ' ' || !dateChars || datetimeChars.indexOf(chr) > -1);
			}
		}

		return $.datepicker._base_doKeyPress(event);
	};

	/*
	* Fourth bad hack :/ override _updateAlternate function used in inline mode to init altField
	*/
	$.datepicker._base_updateAlternate = $.datepicker._updateAlternate;
	/* Update any alternate field to synchronise with the main field. */
	$.datepicker._updateAlternate = function(inst) {
		var tp_inst = this._get(inst, 'timepicker');
		if(tp_inst){
			var altField = tp_inst._defaults.altField;
			if (altField) { // update alternate field too
				var altFormat = tp_inst._defaults.altFormat || tp_inst._defaults.dateFormat,
					date = this._getDate(inst),
					formatCfg = $.datepicker._getFormatConfig(inst),
					altFormattedDateTime = '', 
					altSeparator = tp_inst._defaults.altSeparator ? tp_inst._defaults.altSeparator : tp_inst._defaults.separator, 
					altTimeSuffix = tp_inst._defaults.altTimeSuffix ? tp_inst._defaults.altTimeSuffix : tp_inst._defaults.timeSuffix,
					altTimeFormat = tp_inst._defaults.altTimeFormat !== null ? tp_inst._defaults.altTimeFormat : tp_inst._defaults.timeFormat;
				
				altFormattedDateTime += $.datepicker.formatTime(altTimeFormat, tp_inst, tp_inst._defaults) + altTimeSuffix;
				if(!tp_inst._defaults.timeOnly && !tp_inst._defaults.altFieldTimeOnly){
					if(tp_inst._defaults.altFormat)
						altFormattedDateTime = $.datepicker.formatDate(tp_inst._defaults.altFormat, (date === null ? new Date() : date), formatCfg) + altSeparator + altFormattedDateTime;
					else altFormattedDateTime = tp_inst.formattedDate + altSeparator + altFormattedDateTime;
				}
				$(altField).val(altFormattedDateTime);
			}
		}
		else{
			$.datepicker._base_updateAlternate(inst);
		}
	};

	/*
	* Override key up event to sync manual input changes.
	*/
	$.datepicker._base_doKeyUp = $.datepicker._doKeyUp;
	$.datepicker._doKeyUp = function(event) {
		var inst = $.datepicker._getInst(event.target),
			tp_inst = $.datepicker._get(inst, 'timepicker');

		if (tp_inst) {
			if (tp_inst._defaults.timeOnly && (inst.input.val() != inst.lastVal)) {
				try {
					$.datepicker._updateDatepicker(inst);
				} catch (err) {
					$.datepicker.log(err);
				}
			}
		}

		return $.datepicker._base_doKeyUp(event);
	};

	/*
	* override "Today" button to also grab the time.
	*/
	$.datepicker._base_gotoToday = $.datepicker._gotoToday;
	$.datepicker._gotoToday = function(id) {
		var inst = this._getInst($(id)[0]),
			$dp = inst.dpDiv;
		this._base_gotoToday(id);
		var tp_inst = this._get(inst, 'timepicker');
		selectLocalTimeZone(tp_inst);
		var now = new Date();
		this._setTime(inst, now);
		$('.ui-datepicker-today', $dp).click();
	};

	/*
	* Disable & enable the Time in the datetimepicker
	*/
	$.datepicker._disableTimepickerDatepicker = function(target) {
		var inst = this._getInst(target);
		if (!inst) {
			return;
		}

		var tp_inst = this._get(inst, 'timepicker');
		$(target).datepicker('getDate'); // Init selected[Year|Month|Day]
		if (tp_inst) {
			tp_inst._defaults.showTimepicker = false;
			tp_inst._updateDateTime(inst);
		}
	};

	$.datepicker._enableTimepickerDatepicker = function(target) {
		var inst = this._getInst(target);
		if (!inst) {
			return;
		}

		var tp_inst = this._get(inst, 'timepicker');
		$(target).datepicker('getDate'); // Init selected[Year|Month|Day]
		if (tp_inst) {
			tp_inst._defaults.showTimepicker = true;
			tp_inst._addTimePicker(inst); // Could be disabled on page load
			tp_inst._updateDateTime(inst);
		}
	};

	/*
	* Create our own set time function
	*/
	$.datepicker._setTime = function(inst, date) {
		var tp_inst = this._get(inst, 'timepicker');
		if (tp_inst) {
			var defaults = tp_inst._defaults;

			// calling _setTime with no date sets time to defaults
			tp_inst.hour = date ? date.getHours() : defaults.hour;
			tp_inst.minute = date ? date.getMinutes() : defaults.minute;
			tp_inst.second = date ? date.getSeconds() : defaults.second;
			tp_inst.millisec = date ? date.getMilliseconds() : defaults.millisec;

			//check if within min/max times.. 
			tp_inst._limitMinMaxDateTime(inst, true);

			tp_inst._onTimeChange();
			tp_inst._updateDateTime(inst);
		}
	};

	/*
	* Create new public method to set only time, callable as $().datepicker('setTime', date)
	*/
	$.datepicker._setTimeDatepicker = function(target, date, withDate) {
		var inst = this._getInst(target);
		if (!inst) {
			return;
		}

		var tp_inst = this._get(inst, 'timepicker');

		if (tp_inst) {
			this._setDateFromField(inst);
			var tp_date;
			if (date) {
				if (typeof date == "string") {
					tp_inst._parseTime(date, withDate);
					tp_date = new Date();
					tp_date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second, tp_inst.millisec);
				} else {
					tp_date = new Date(date.getTime());
				}
				if (tp_date.toString() == 'Invalid Date') {
					tp_date = undefined;
				}
				this._setTime(inst, tp_date);
			}
		}

	};

	/*
	* override setDate() to allow setting time too within Date object
	*/
	$.datepicker._base_setDateDatepicker = $.datepicker._setDateDatepicker;
	$.datepicker._setDateDatepicker = function(target, date) {
		var inst = this._getInst(target);
		if (!inst) {
			return;
		}

		var tp_date = (date instanceof Date) ? new Date(date.getTime()) : date;

		this._updateDatepicker(inst);
		this._base_setDateDatepicker.apply(this, arguments);
		this._setTimeDatepicker(target, tp_date, true);
	};

	/*
	* override getDate() to allow getting time too within Date object
	*/
	$.datepicker._base_getDateDatepicker = $.datepicker._getDateDatepicker;
	$.datepicker._getDateDatepicker = function(target, noDefault) {
		var inst = this._getInst(target);
		if (!inst) {
			return;
		}

		var tp_inst = this._get(inst, 'timepicker');

		if (tp_inst) {
			// if it hasn't yet been defined, grab from field
			if(inst.lastVal === undefined){
				this._setDateFromField(inst, noDefault);
			}

			var date = this._getDate(inst);
			if (date && tp_inst._parseTime($(target).val(), tp_inst.timeOnly)) {
				date.setHours(tp_inst.hour, tp_inst.minute, tp_inst.second, tp_inst.millisec);
			}
			return date;
		}
		return this._base_getDateDatepicker(target, noDefault);
	};

	/*
	* override parseDate() because UI 1.8.14 throws an error about "Extra characters"
	* An option in datapicker to ignore extra format characters would be nicer.
	*/
	$.datepicker._base_parseDate = $.datepicker.parseDate;
	$.datepicker.parseDate = function(format, value, settings) {
		var date;
		try {
			date = this._base_parseDate(format, value, settings);
		} catch (err) {
			// Hack!  The error message ends with a colon, a space, and
			// the "extra" characters.  We rely on that instead of
			// attempting to perfectly reproduce the parsing algorithm.
			date = this._base_parseDate(format, value.substring(0,value.length-(err.length-err.indexOf(':')-2)), settings);
			$.datepicker.log("Error parsing the date string: " + err + "\ndate string = " + value + "\ndate format = " + format);
		}
		return date;
	};

	/*
	* override formatDate to set date with time to the input
	*/
	$.datepicker._base_formatDate = $.datepicker._formatDate;
	$.datepicker._formatDate = function(inst, day, month, year) {
		var tp_inst = this._get(inst, 'timepicker');
		if (tp_inst) {
			tp_inst._updateDateTime(inst);
			return tp_inst.$input.val();
		}
		return this._base_formatDate(inst);
	};

	/*
	* override options setter to add time to maxDate(Time) and minDate(Time). MaxDate
	*/
	$.datepicker._base_optionDatepicker = $.datepicker._optionDatepicker;
	$.datepicker._optionDatepicker = function(target, name, value) {
		var inst = this._getInst(target),
	        name_clone;
		if (!inst) {
			return null;
		}

		var tp_inst = this._get(inst, 'timepicker');
		if (tp_inst) {
			var min = null,
				max = null,
				onselect = null,
				overrides = tp_inst._defaults.evnts,
				fns = {},
				prop;
		    if (typeof name == 'string') { // if min/max was set with the string
		        if (name === 'minDate' || name === 'minDateTime') {
		            min = value;
		        } else if (name === 'maxDate' || name === 'maxDateTime') {
		            max = value;
		        } else if (name === 'onSelect') {
		            onselect = value;
		        } else if (overrides.hasOwnProperty(name)) {
		            if (typeof (value) === 'undefined') {
		                return overrides[name];
		            }
		            fns[name] = value;
		            name_clone = {}; //empty results in exiting function after overrides updated
		        }
		    } else if (typeof name == 'object') { //if min/max was set with the JSON
		        if (name.minDate) {
		            min = name.minDate;
		        } else if (name.minDateTime) {
		            min = name.minDateTime;
		        } else if (name.maxDate) {
		            max = name.maxDate;
		        } else if (name.maxDateTime) {
		            max = name.maxDateTime;
		        }
		        for (prop in overrides) {
		            if (overrides.hasOwnProperty(prop) && name[prop]) {
		                fns[prop] = name[prop];
		            }
		        }
		    }
		    for (prop in fns) {
		        if (fns.hasOwnProperty(prop)) {
		            overrides[prop] = fns[prop];
		            if (!name_clone) { name_clone = $.extend({}, name);}
		            delete name_clone[prop];
		        }
		    }
		    if (name_clone && isEmptyObject(name_clone)) { return; }
		    if (min) { //if min was set
		        if (min === 0) {
		            min = new Date();
		        } else {
		            min = new Date(min);
		        }
		        tp_inst._defaults.minDate = min;
		        tp_inst._defaults.minDateTime = min;
		    } else if (max) { //if max was set
		        if (max === 0) {
		            max = new Date();
		        } else {
		            max = new Date(max);
		        }
		        tp_inst._defaults.maxDate = max;
		        tp_inst._defaults.maxDateTime = max;
		    } else if (onselect) {
		        tp_inst._defaults.onSelect = onselect;
		    }
		}
		if (value === undefined) {
			return this._base_optionDatepicker.call($.datepicker, target, name);
		}
		return this._base_optionDatepicker.call($.datepicker, target, name_clone || name, value);
	};
	/*
	* jQuery isEmptyObject does not check hasOwnProperty - if someone has added to the object prototype,
	* it will return false for all objects
	*/
	var isEmptyObject = function(obj) {
		var prop;
		for (prop in obj) {
			if (obj.hasOwnProperty(obj)) {
				return false;
			}
		}
		return true;
	};

	/*
	* jQuery extend now ignores nulls!
	*/
	var extendRemove = function(target, props) {
		$.extend(target, props);
		for (var name in props) {
			if (props[name] === null || props[name] === undefined) {
				target[name] = props[name];
			}
		}
		return target;
	};

	/*
	* Determine by the time format if should use ampm
	* Returns true if should use ampm, false if not
	*/
	var useAmpm = function(timeFormat){
		return (timeFormat.indexOf('t') !== -1 && timeFormat.indexOf('h') !== -1);
	};

	/*
	* Converts 24 hour format into 12 hour
	* Returns 12 hour without leading 0
	*/
	var convert24to12 = function(hour) {
		if (hour > 12) {
			hour = hour - 12;
		}

		if (hour == 0) {
			hour = 12;
		}

		return String(hour);
	};

	/*
	* Splits datetime string into date ans time substrings.
	* Throws exception when date can't be parsed
	* Returns [dateString, timeString]
	*/
	var splitDateTime = function(dateFormat, dateTimeString, dateSettings, timeSettings) {
		try {
			// The idea is to get the number separator occurances in datetime and the time format requested (since time has 
			// fewer unknowns, mostly numbers and am/pm). We will use the time pattern to split.
			var separator = timeSettings && timeSettings.separator ? timeSettings.separator : $.timepicker._defaults.separator,
				format = timeSettings && timeSettings.timeFormat ? timeSettings.timeFormat : $.timepicker._defaults.timeFormat,
				timeParts = format.split(separator), // how many occurances of separator may be in our format?
				timePartsLen = timeParts.length,
				allParts = dateTimeString.split(separator),
				allPartsLen = allParts.length;

			if (allPartsLen > 1) {
				return [
						allParts.splice(0,allPartsLen-timePartsLen).join(separator),
						allParts.splice(0,timePartsLen).join(separator)
					];
			}

		} catch (err) {
			$.datepicker.log('Could not split the date from the time. Please check the following datetimepicker options' +
					"\nthrown error: " + err +
					"\ndateTimeString" + dateTimeString +
					"\ndateFormat = " + dateFormat +
					"\nseparator = " + timeSettings.separator +
					"\ntimeFormat = " + timeSettings.timeFormat);

			if (err.indexOf(":") >= 0) {
				// Hack!  The error message ends with a colon, a space, and
				// the "extra" characters.  We rely on that instead of
				// attempting to perfectly reproduce the parsing algorithm.
				var dateStringLength = dateTimeString.length - (err.length - err.indexOf(':') - 2),
					timeString = dateTimeString.substring(dateStringLength);

				return [$.trim(dateTimeString.substring(0, dateStringLength)), $.trim(dateTimeString.substring(dateStringLength))];

			} else {
				throw err;
			}
		}
		return [dateTimeString, ''];
	};

	/*
	* Internal function to parse datetime interval
	* Returns: {date: Date, timeObj: Object}, where
	*   date - parsed date without time (type Date)
	*   timeObj = {hour: , minute: , second: , millisec: } - parsed time. Optional
	*/
	var parseDateTimeInternal = function(dateFormat, timeFormat, dateTimeString, dateSettings, timeSettings) {
		var date;
		var splitRes = splitDateTime(dateFormat, dateTimeString, dateSettings, timeSettings);
		date = $.datepicker._base_parseDate(dateFormat, splitRes[0], dateSettings);
		if (splitRes[1] !== '') {
			var timeString = splitRes[1],
				parsedTime = $.datepicker.parseTime(timeFormat, timeString, timeSettings);

			if (parsedTime === null) {
				throw 'Wrong time format';
			}
			return {
				date: date,
				timeObj: parsedTime
			};
		} else {
			return {
				date: date
			};
		}
	};

	/*
	* Internal function to set timezone_select to the local timezone
	*/
	var selectLocalTimeZone = function(tp_inst, date) {
		if (tp_inst && tp_inst.timezone_select) {
			tp_inst._defaults.useLocalTimezone = true;
			var now = typeof date !== 'undefined' ? date : new Date();
			var tzoffset = $.timepicker.timeZoneOffsetString(now);
			if (tp_inst._defaults.timezoneIso8601) {
				tzoffset = tzoffset.substring(0, 3) + ':' + tzoffset.substring(3);
			}
			tp_inst.timezone_select.val(tzoffset);
		}
	};

	/*
	* Create a Singleton Insance
	*/
	$.timepicker = new Timepicker();

	/**
	 * Get the timezone offset as string from a date object (eg '+0530' for UTC+5.5)
	 * @param  date
	 * @return string
	 */
	$.timepicker.timeZoneOffsetString = function(date) {
		var off = date.getTimezoneOffset() * -1,
			minutes = off % 60,
			hours = (off - minutes) / 60;
		return (off >= 0 ? '+' : '-') + ('0' + (hours * 101).toString()).substr(-2) + ('0' + (minutes * 101).toString()).substr(-2);
	};

	/**
	 * Calls `timepicker()` on the `startTime` and `endTime` elements, and configures them to
	 * enforce date range limits.
	 * n.b. The input value must be correctly formatted (reformatting is not supported)
	 * @param  Element startTime
	 * @param  Element endTime
	 * @param  obj options Options for the timepicker() call
	 * @return jQuery
	 */
	$.timepicker.timeRange = function(startTime, endTime, options) {
		return $.timepicker.handleRange('timepicker', startTime, endTime, options);
	};

	/**
	 * Calls `datetimepicker` on the `startTime` and `endTime` elements, and configures them to
	 * enforce date range limits.
	 * @param  Element startTime
	 * @param  Element endTime
	 * @param  obj options Options for the `timepicker()` call. Also supports `reformat`,
	 *   a boolean value that can be used to reformat the input values to the `dateFormat`.
	 * @param  string method Can be used to specify the type of picker to be added
	 * @return jQuery
	 */
	$.timepicker.dateTimeRange = function(startTime, endTime, options) {
		$.timepicker.dateRange(startTime, endTime, options, 'datetimepicker');
	};

	/**
	 * Calls `method` on the `startTime` and `endTime` elements, and configures them to
	 * enforce date range limits.
	 * @param  Element startTime
	 * @param  Element endTime
	 * @param  obj options Options for the `timepicker()` call. Also supports `reformat`,
	 *   a boolean value that can be used to reformat the input values to the `dateFormat`.
	 * @param  string method Can be used to specify the type of picker to be added
	 * @return jQuery
	 */
	$.timepicker.dateRange = function(startTime, endTime, options, method) {
		method = method || 'datepicker';
		$.timepicker.handleRange(method, startTime, endTime, options);
	};

	/**
	 * Calls `method` on the `startTime` and `endTime` elements, and configures them to
	 * enforce date range limits.
	 * @param  string method Can be used to specify the type of picker to be added
	 * @param  Element startTime
	 * @param  Element endTime
	 * @param  obj options Options for the `timepicker()` call. Also supports `reformat`,
	 *   a boolean value that can be used to reformat the input values to the `dateFormat`.
	 * @return jQuery
	 */
	$.timepicker.handleRange = function(method, startTime, endTime, options) {
		$.fn[method].call(startTime, $.extend({
			onClose: function(dateText, inst) {
				checkDates(this, endTime, dateText);
			},
			onSelect: function(selectedDateTime) {
				selected(this, endTime, 'minDate');
			}
		}, options, options.start));
		$.fn[method].call(endTime, $.extend({
			onClose: function(dateText, inst) {
				checkDates(this, startTime, dateText);
			},
			onSelect: function(selectedDateTime) {
				selected(this, startTime, 'maxDate');
			}
		}, options, options.end));
		// timepicker doesn't provide access to its 'timeFormat' option, 
		// nor could I get datepicker.formatTime() to behave with times, so I
		// have disabled reformatting for timepicker
		if (method != 'timepicker' && options.reformat) {
			$([startTime, endTime]).each(function() {
				var format = $(this)[method].call($(this), 'option', 'dateFormat'),
					date = new Date($(this).val());
				if ($(this).val() && date) {
					$(this).val($.datepicker.formatDate(format, date));
				}
			});
		}
		checkDates(startTime, endTime, startTime.val());

		function checkDates(changed, other, dateText) {
			if (other.val() && (new Date(startTime.val()) > new Date(endTime.val()))) {
				other.val(dateText);
			}
		}
		selected(startTime, endTime, 'minDate');
		selected(endTime, startTime, 'maxDate');

		function selected(changed, other, option) {
			if (!$(changed).val()) {
				return;
			}
			var date = $(changed)[method].call($(changed), 'getDate');
			// timepicker doesn't implement 'getDate' and returns a jQuery
			if (date.getTime) {
				$(other)[method].call($(other), 'option', option, date);
			}
		}
		return $([startTime.get(0), endTime.get(0)]);
	};

	/*
	* Keep up with the version
	*/
	$.timepicker.version = "1.1.1";

})(jQuery);