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Filename : jquery.timepicker.js
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/*!
 * jquery-timepicker v1.11.12 - A jQuery timepicker plugin inspired by Google Calendar. It supports both mouse and keyboard navigation.
 * Copyright (c) 2015 Jon Thornton - http://jonthornton.github.com/jquery-timepicker/
 * License: MIT
 */


(function (factory) {
    if (typeof exports === "object" && exports &&
        typeof module === "object" && module && module.exports === exports) {
        // Browserify. Attach to jQuery module.
        factory(require("jquery"));
    } else if (typeof define === 'function' && define.amd) {
		// AMD. Register as an anonymous module.
		define(['jquery'], factory);
	} else {
		// Browser globals
		factory(jQuery);
	}
}(function ($) {
	var _ONE_DAY = 86400;
	var _lang = {
		am: 'am',
		pm: 'pm',
		AM: 'AM',
		PM: 'PM',
		decimal: '.',
		mins: 'mins',
		hr: 'hr',
		hrs: 'hrs'
	};

	var _DEFAULTS = {
		appendTo: 'body',
		className: null,
		closeOnWindowScroll: false,
		disableTextInput: false,
		disableTimeRanges: [],
		disableTouchKeyboard: false,
		durationTime: null,
		forceRoundTime: false,
		maxTime: null,
		minTime: null,
		noneOption: false,
		orientation: 'l',
		roundingFunction: function(seconds, settings) {
			if (seconds === null) {
				return null;
			} else if (typeof settings.step !== "number") {
				// TODO: nearest fit irregular steps
				return seconds;
			} else {
				var offset = seconds % (settings.step*60); // step is in minutes

				var start = settings.minTime || 0;

                // adjust offset by start mod step so that the offset is aligned not to 00:00 but to the start
                offset -= start % (settings.step * 60);

				if (offset >= settings.step*30) {
					// if offset is larger than a half step, round up
					seconds += (settings.step*60) - offset;
				} else {
					// round down
					seconds -= offset;
				}

				return _moduloSeconds(seconds, settings);
			}
		},
		scrollDefault: null,
		selectOnBlur: false,
		show2400: false,
		showDuration: false,
		showOn: ['click', 'focus'],
		showOnFocus: true,
		step: 30,
		stopScrollPropagation: false,
		timeFormat: 'g:ia',
		typeaheadHighlight: true,
		useSelect: false,
		wrapHours: true
	};

	var methods = {
		init: function(options)
		{
			return this.each(function()
			{
				var self = $(this);

				// pick up settings from data attributes
				var attributeOptions = [];
				for (var key in _DEFAULTS) {
					if (self.data(key))  {
						attributeOptions[key] = self.data(key);
					}
				}

				var settings = $.extend({}, _DEFAULTS, options, attributeOptions);

				if (settings.lang) {
					_lang = $.extend(_lang, settings.lang);
				}

				settings = _parseSettings(settings);
				self.data('timepicker-settings', settings);
				self.addClass('ui-timepicker-input');

				if (settings.useSelect) {
					_render(self);
				} else {
					self.prop('autocomplete', 'off');
					if (settings.showOn) {
						for (var i in settings.showOn) {
							self.on(settings.showOn[i]+'.timepicker', methods.show);
						}
					}
					self.on('change.timepicker', _formatValue);
					self.on('keydown.timepicker', _keydownhandler);
					self.on('keyup.timepicker', _keyuphandler);
					if (settings.disableTextInput) {
						self.on('keydown.timepicker', _disableTextInputHandler);
					}
                    			self.on('cut.timepicker', _keyuphandler);
                    			self.on('paste.timepicker', _keyuphandler);

					_formatValue.call(self.get(0), null, 'initial');
				}
			});
		},

		show: function(e)
		{
			var self = $(this);
			var settings = self.data('timepicker-settings');

			if (e) {
				e.preventDefault();
			}

			if (settings.useSelect) {
				self.data('timepicker-list').focus();
				return;
			}

			if (_hideKeyboard(self)) {
				// block the keyboard on mobile devices
				self.blur();
			}

			var list = self.data('timepicker-list');

			// check if input is readonly
			if (self.prop('readonly')) {
				return;
			}

			// check if list needs to be rendered
			if (!list || list.length === 0 || typeof settings.durationTime === 'function') {
				_render(self);
				list = self.data('timepicker-list');
			}

			if (_isVisible(list)) {
				return;
			}

			self.data('ui-timepicker-value', self.val());
			_setSelected(self, list);

			// make sure other pickers are hidden
			methods.hide();

			// position the dropdown relative to the input
			list.show();
			var listOffset = {};

			if (settings.orientation.match(/r/)) {
				// right-align the dropdown
				listOffset.left = self.offset().left + self.outerWidth() - list.outerWidth() + parseInt(list.css('marginLeft').replace('px', ''), 10);
			} else {
				// left-align the dropdown
				listOffset.left = self.offset().left + parseInt(list.css('marginLeft').replace('px', ''), 10);
			}

			var verticalOrientation;
			if (settings.orientation.match(/t/)) {
				verticalOrientation = 't';
			} else if (settings.orientation.match(/b/)) {
				verticalOrientation = 'b';
			} else if ((self.offset().top + self.outerHeight(true) + list.outerHeight()) > $(window).height() + $(window).scrollTop()) {
				verticalOrientation = 't';
			} else {
				verticalOrientation = 'b';
			}

			if (verticalOrientation == 't') {
				// position the dropdown on top
				list.addClass('ui-timepicker-positioned-top');
				listOffset.top = self.offset().top - list.outerHeight() + parseInt(list.css('marginTop').replace('px', ''), 10);
			} else {
				// put it under the input
				list.removeClass('ui-timepicker-positioned-top');
				listOffset.top = self.offset().top + self.outerHeight() + parseInt(list.css('marginTop').replace('px', ''), 10);
			}

			list.offset(listOffset);

			// position scrolling
			var selected = list.find('.ui-timepicker-selected');

			if (!selected.length) {
				var timeInt = _time2int(_getTimeValue(self));
				if (timeInt !== null) {
					selected = _findRow(self, list, timeInt);
				} else if (settings.scrollDefault) {
					selected = _findRow(self, list, settings.scrollDefault());
				}
			}

			// if not found or disabled, intelligently find first selectable element
			if (!selected.length || selected.hasClass('ui-timepicker-disabled')) {
				selected = list.find('li:not(.ui-timepicker-disabled):first');
			}

			if (selected && selected.length) {
				var topOffset = list.scrollTop() + selected.position().top - selected.outerHeight();
				list.scrollTop(topOffset);
			} else {
				list.scrollTop(0);
			}

			// prevent scroll propagation
			if(settings.stopScrollPropagation) {
				$(document).on('wheel.ui-timepicker', '.ui-timepicker-wrapper', function(e){
					e.preventDefault();
					var currentScroll = $(this).scrollTop();
					$(this).scrollTop(currentScroll + e.originalEvent.deltaY);
				});
			}

			// attach close handlers
			$(document).on('touchstart.ui-timepicker mousedown.ui-timepicker', _closeHandler);
			$(window).on('resize.ui-timepicker', _closeHandler);
			if (settings.closeOnWindowScroll) {
				$(document).on('scroll.ui-timepicker', _closeHandler);
			}

			self.trigger('showTimepicker');

			return this;
		},

		hide: function(e)
		{
			var self = $(this);
			var settings = self.data('timepicker-settings');

			if (settings && settings.useSelect) {
				self.blur();
			}

			$('.ui-timepicker-wrapper').each(function() {
				var list = $(this);
				if (!_isVisible(list)) {
					return;
				}

				var self = list.data('timepicker-input');
				var settings = self.data('timepicker-settings');

				if (settings && settings.selectOnBlur) {
					_selectValue(self);
				}

				list.hide();
				self.trigger('hideTimepicker');
			});

			return this;
		},

		option: function(key, value)
		{
			if (typeof key == 'string' && typeof value == 'undefined') {
				return $(this).data('timepicker-settings')[key];
			}

			return this.each(function(){
				var self = $(this);
				var settings = self.data('timepicker-settings');
				var list = self.data('timepicker-list');

				if (typeof key == 'object') {
					settings = $.extend(settings, key);
				} else if (typeof key == 'string') {
					settings[key] = value;
				}

				settings = _parseSettings(settings);

				self.data('timepicker-settings', settings);

				_formatValue.call(self.get(0), {'type':'change'}, 'initial');

				if (list) {
					list.remove();
					self.data('timepicker-list', false);
				}

				if (settings.useSelect) {
					_render(self);
				}
			});
		},

		getSecondsFromMidnight: function()
		{
			return _time2int(_getTimeValue(this));
		},

		getTime: function(relative_date)
		{
			var self = this;

			var time_string = _getTimeValue(self);
			if (!time_string) {
				return null;
			}

			var offset = _time2int(time_string);
			if (offset === null) {
				return null;
			}

			if (!relative_date) {
				relative_date = new Date();
			}

			// construct a Date from relative date, and offset's time
			var time = new Date(relative_date);
			time.setHours(offset / 3600);
			time.setMinutes(offset % 3600 / 60);
			time.setSeconds(offset % 60);
			time.setMilliseconds(0);

			return time;
		},

		isVisible: function() {
			var self = this;
			var list = self.data('timepicker-list');
			return !!(list && _isVisible(list));
		},

		setTime: function(value)
		{
			var self = this;
			var settings = self.data('timepicker-settings');

			if (settings.forceRoundTime) {
				var prettyTime = _roundAndFormatTime(_time2int(value), settings)
			} else {
				var prettyTime = _int2time(_time2int(value), settings);
			}

			if (value && prettyTime === null && settings.noneOption) {
				prettyTime = value;
			}

			_setTimeValue(self, prettyTime, 'initial');
			_formatValue.call(self.get(0), {'type':'change'}, 'initial');

			if (self.data('timepicker-list')) {
				_setSelected(self, self.data('timepicker-list'));
			}

			return this;
		},

		remove: function()
		{
			var self = this;

			// check if this element is a timepicker
			if (!self.hasClass('ui-timepicker-input')) {
				return;
			}

			var settings = self.data('timepicker-settings');
			self.removeAttr('autocomplete', 'off');
			self.removeClass('ui-timepicker-input');
			self.removeData('timepicker-settings');
			self.off('.timepicker');

			// timepicker-list won't be present unless the user has interacted with this timepicker
			if (self.data('timepicker-list')) {
				self.data('timepicker-list').remove();
			}

			if (settings.useSelect) {
				self.show();
			}

			self.removeData('timepicker-list');

			return this;
		}
	};

	// private methods

	function _isVisible(elem)
	{
		var el = elem[0];
		return el.offsetWidth > 0 && el.offsetHeight > 0;
	}

	function _parseSettings(settings)
	{
		if (settings.minTime) {
			settings.minTime = _time2int(settings.minTime);
		}

		if (settings.maxTime) {
			settings.maxTime = _time2int(settings.maxTime);
		}

		if (settings.durationTime && typeof settings.durationTime !== 'function') {
			settings.durationTime = _time2int(settings.durationTime);
		}

		if (settings.scrollDefault == 'now') {
			settings.scrollDefault = function() {
				return settings.roundingFunction(_time2int(new Date()), settings);
			}
		} else if (settings.scrollDefault && typeof settings.scrollDefault != 'function') {
			var val = settings.scrollDefault;
			settings.scrollDefault = function() {
				return settings.roundingFunction(_time2int(val), settings);
			}
		} else if (settings.minTime) {
			settings.scrollDefault = function() {
				return settings.roundingFunction(settings.minTime, settings);
			}
		}

		if ($.type(settings.timeFormat) === "string" && settings.timeFormat.match(/[gh]/)) {
			settings._twelveHourTime = true;
		}

		if (settings.showOnFocus === false && settings.showOn.indexOf('focus') != -1) {
			settings.showOn.splice(settings.showOn.indexOf('focus'), 1);
		}

		if (settings.disableTimeRanges.length > 0) {
			// convert string times to integers
			for (var i in settings.disableTimeRanges) {
				settings.disableTimeRanges[i] = [
					_time2int(settings.disableTimeRanges[i][0]),
					_time2int(settings.disableTimeRanges[i][1])
				];
			}

			// sort by starting time
			settings.disableTimeRanges = settings.disableTimeRanges.sort(function(a, b){
				return a[0] - b[0];
			});

			// merge any overlapping ranges
			for (var i = settings.disableTimeRanges.length-1; i > 0; i--) {
				if (settings.disableTimeRanges[i][0] <= settings.disableTimeRanges[i-1][1]) {
					settings.disableTimeRanges[i-1] = [
						Math.min(settings.disableTimeRanges[i][0], settings.disableTimeRanges[i-1][0]),
						Math.max(settings.disableTimeRanges[i][1], settings.disableTimeRanges[i-1][1])
					];
					settings.disableTimeRanges.splice(i, 1);
				}
			}
		}

		return settings;
	}

	function _render(self)
	{
		var settings = self.data('timepicker-settings');
		var list = self.data('timepicker-list');

		if (list && list.length) {
			list.remove();
			self.data('timepicker-list', false);
		}

		if (settings.useSelect) {
			list = $('<select />', { 'class': 'ui-timepicker-select' });
			var wrapped_list = list;
		} else {
			list = $('<ul />', { 'class': 'ui-timepicker-list' });

			var wrapped_list = $('<div />', { 'class': 'ui-timepicker-wrapper', 'tabindex': -1 });
			wrapped_list.css({'display':'none', 'position': 'absolute' }).append(list);
		}

		if (settings.noneOption) {
			if (settings.noneOption === true) {
				settings.noneOption = (settings.useSelect) ? 'Time...' : 'None';
			}

			if ($.isArray(settings.noneOption)) {
				for (var i in settings.noneOption) {
					if (parseInt(i, 10) == i){
						var noneElement = _generateNoneElement(settings.noneOption[i], settings.useSelect);
						list.append(noneElement);
					}
				}
			} else {
				var noneElement = _generateNoneElement(settings.noneOption, settings.useSelect);
				list.append(noneElement);
			}
		}

		if (settings.className) {
			wrapped_list.addClass(settings.className);
		}

		if ((settings.minTime !== null || settings.durationTime !== null) && settings.showDuration) {
			var stepval = typeof settings.step == 'function' ? 'function' : settings.step;
			wrapped_list.addClass('ui-timepicker-with-duration');
			wrapped_list.addClass('ui-timepicker-step-'+settings.step);
		}

		var durStart = settings.minTime;
		if (typeof settings.durationTime === 'function') {
			durStart = _time2int(settings.durationTime());
		} else if (settings.durationTime !== null) {
			durStart = settings.durationTime;
		}
		var start = (settings.minTime !== null) ? settings.minTime : 0;
		var end = (settings.maxTime !== null) ? settings.maxTime : (start + _ONE_DAY - 1);

		if (end < start) {
			// make sure the end time is greater than start time, otherwise there will be no list to show
			end += _ONE_DAY;
		}

		if (end === _ONE_DAY-1 && $.type(settings.timeFormat) === "string" && settings.show2400) {
			// show a 24:00 option when using military time
			end = _ONE_DAY;
		}

		var dr = settings.disableTimeRanges;
		var drCur = 0;
		var drLen = dr.length;

		var stepFunc = settings.step;
		if (typeof stepFunc != 'function') {
			stepFunc = function() {
				return settings.step;
			}
		}

		for (var i=start, j=0; i <= end; j++, i += stepFunc(j)*60) {
			var timeInt = i;
			var timeString = _int2time(timeInt, settings);

			if (settings.useSelect) {
				var row = $('<option />', { 'value': timeString });
				row.text(timeString);
			} else {
				var row = $('<li />');
				row.addClass((timeInt % _ONE_DAY) < (_ONE_DAY / 2) ? 'ui-timepicker-am' : 'ui-timepicker-pm');
				row.data('time', _moduloSeconds(timeInt, settings));
				row.text(timeString);
			}

			if ((settings.minTime !== null || settings.durationTime !== null) && settings.showDuration) {
				var durationString = _int2duration(i - durStart, settings.step);
				if (settings.useSelect) {
					row.text(row.text()+' ('+durationString+')');
				} else {
					var duration = $('<span />', { 'class': 'ui-timepicker-duration' });
					duration.text(' ('+durationString+')');
					row.append(duration);
				}
			}

			if (drCur < drLen) {
				if (timeInt >= dr[drCur][1]) {
					drCur += 1;
				}

				if (dr[drCur] && timeInt >= dr[drCur][0] && timeInt < dr[drCur][1]) {
					if (settings.useSelect) {
						row.prop('disabled', true);
					} else {
						row.addClass('ui-timepicker-disabled');
					}
				}
			}

			list.append(row);
		}

		wrapped_list.data('timepicker-input', self);
		self.data('timepicker-list', wrapped_list);

		if (settings.useSelect) {
			if (self.val()) {
				list.val(_roundAndFormatTime(_time2int(self.val()), settings));
			}

			list.on('focus', function(){
				$(this).data('timepicker-input').trigger('showTimepicker');
			});
			list.on('blur', function(){
				$(this).data('timepicker-input').trigger('hideTimepicker');
			});
			list.on('change', function(){
				_setTimeValue(self, $(this).val(), 'select');
			});

			_setTimeValue(self, list.val(), 'initial');
			self.hide().after(list);
		} else {
			var appendTo = settings.appendTo;
			if (typeof appendTo === 'string') {
				appendTo = $(appendTo);
			} else if (typeof appendTo === 'function') {
				appendTo = appendTo(self);
			}
			appendTo.append(wrapped_list);
			_setSelected(self, list);

			list.on('mousedown click', 'li', function(e) {

				// hack: temporarily disable the focus handler
				// to deal with the fact that IE fires 'focus'
				// events asynchronously
				self.off('focus.timepicker');
				self.on('focus.timepicker-ie-hack', function(){
					self.off('focus.timepicker-ie-hack');
					self.on('focus.timepicker', methods.show);
				});

				if (!_hideKeyboard(self)) {
					self[0].focus();
				}

				// make sure only the clicked row is selected
				list.find('li').removeClass('ui-timepicker-selected');
				$(this).addClass('ui-timepicker-selected');

				if (_selectValue(self)) {
					self.trigger('hideTimepicker');

					list.on('mouseup.timepicker click.timepicker', 'li', function(e) {
						list.off('mouseup.timepicker click.timepicker');
						wrapped_list.hide();
					});
				}
			});
		}
	}

	function _generateNoneElement(optionValue, useSelect)
	{
		var label, className, value;

		if (typeof optionValue == 'object') {
			label = optionValue.label;
			className = optionValue.className;
			value = optionValue.value;
		} else if (typeof optionValue == 'string') {
			label = optionValue;
		} else {
			$.error('Invalid noneOption value');
		}

		if (useSelect) {
			return $('<option />', {
					'value': value,
					'class': className,
					'text': label
				});
		} else {
			return $('<li />', {
					'class': className,
					'text': label
				}).data('time', String(value));
		}
	}

	function _roundAndFormatTime(seconds, settings)
	{
		seconds = settings.roundingFunction(seconds, settings);
		if (seconds !== null) {
			return _int2time(seconds, settings);
		}
	}

	// event handler to decide whether to close timepicker
	function _closeHandler(e)
	{
		if (e.target == window) {
			// mobile Chrome fires focus events against window for some reason
			return;
		}

		var target = $(e.target);

		if (target.closest('.ui-timepicker-input').length || target.closest('.ui-timepicker-wrapper').length) {
			// active timepicker was focused. ignore
			return;
		}

		methods.hide();
		$(document).unbind('.ui-timepicker');
		$(window).unbind('.ui-timepicker');
	}

	function _hideKeyboard(self)
	{
		var settings = self.data('timepicker-settings');
		return ((window.navigator.msMaxTouchPoints || 'ontouchstart' in document) && settings.disableTouchKeyboard);
	}

	function _findRow(self, list, value)
	{
		if (!value && value !== 0) {
			return false;
		}

		var settings = self.data('timepicker-settings');
		var out = false;
		var value = settings.roundingFunction(value, settings);

		// loop through the menu items
		list.find('li').each(function(i, obj) {
			var jObj = $(obj);
			if (typeof jObj.data('time') != 'number') {
				return;
			}

			if (jObj.data('time') == value) {
				out = jObj;
				return false;
			}
		});

		return out;
	}

	function _setSelected(self, list)
	{
		list.find('li').removeClass('ui-timepicker-selected');

		var settings = self.data('timepicker-settings');
		var timeValue = _time2int(_getTimeValue(self), settings);
		if (timeValue === null) {
			return;
		}

		var selected = _findRow(self, list, timeValue);
		if (selected) {

			var topDelta = selected.offset().top - list.offset().top;

			if (topDelta + selected.outerHeight() > list.outerHeight() || topDelta < 0) {
				list.scrollTop(list.scrollTop() + selected.position().top - selected.outerHeight());
			}

			if (settings.forceRoundTime || selected.data('time') === timeValue) {
				selected.addClass('ui-timepicker-selected');
			}
		}
	}


	function _formatValue(e, origin)
	{
		if (origin == 'timepicker') {
			return;
		}

		var self = $(this);

		if (this.value === '') {
			_setTimeValue(self, null, origin);
			return;
		}

		if (self.is(':focus') && (!e || e.type != 'change')) {
			return;
		}

		var settings = self.data('timepicker-settings');
		var seconds = _time2int(this.value, settings);

		if (seconds === null) {
			self.trigger('timeFormatError');
			return;
		}

		var rangeError = false;
		// check that the time in within bounds
		if ((settings.minTime !== null && settings.maxTime !== null)
			&& (seconds < settings.minTime || seconds > settings.maxTime)) {
			rangeError = true;
		}

		// check that time isn't within disabled time ranges
		$.each(settings.disableTimeRanges, function(){
			if (seconds >= this[0] && seconds < this[1]) {
				rangeError = true;
				return false;
			}
		});

		if (settings.forceRoundTime) {
			var roundSeconds = settings.roundingFunction(seconds, settings);
			if (roundSeconds != seconds) {
				seconds = roundSeconds;
				origin = null;
			}
		}

		var prettyTime = _int2time(seconds, settings);

		if (rangeError) {
			if (_setTimeValue(self, prettyTime, 'error') || e && e.type == 'change') {
				self.trigger('timeRangeError');
			}
		} else {
			_setTimeValue(self, prettyTime, origin);
		}
	}

	function _getTimeValue(self)
	{
		if (self.is('input')) {
			return self.val();
		} else {
			// use the element's data attributes to store values
			return self.data('ui-timepicker-value');
		}
	}

	function _setTimeValue(self, value, source)
	{
		if (self.is('input')) {
			self.val(value);

			var settings = self.data('timepicker-settings');
			if (settings.useSelect && source != 'select') {
				self.data('timepicker-list').val(_roundAndFormatTime(_time2int(value), settings));
			}
		}

		if (self.data('ui-timepicker-value') != value) {
			self.data('ui-timepicker-value', value);
			if (source == 'select') {
				self.trigger('selectTime').trigger('changeTime').trigger('change', 'timepicker');
			} else if (['error', 'initial'].indexOf(source) == -1) {
				self.trigger('changeTime');
			}

			return true;
		} else {
			if (['error', 'initial'].indexOf(source) == -1) {
				self.trigger('selectTime');
			}
			return false;
		}
	}

	/*
	*  Filter freeform input
	*/
	function _disableTextInputHandler(e)
	{
		switch (e.keyCode) {
			case 13: // return
			case 9: //tab
				return;

			default:
				e.preventDefault();
		}
	}

	/*
	*  Keyboard navigation via arrow keys
	*/
	function _keydownhandler(e)
	{
		var self = $(this);
		var list = self.data('timepicker-list');

		if (!list || !_isVisible(list)) {
			if (e.keyCode == 40) {
				// show the list!
				methods.show.call(self.get(0));
				list = self.data('timepicker-list');
				if (!_hideKeyboard(self)) {
					self.focus();
				}
			} else {
				return true;
			}
		}

		switch (e.keyCode) {

			case 13: // return
				if (_selectValue(self)) {
					_formatValue.call(self.get(0), {'type':'change'});
					methods.hide.apply(this);
				}

				e.preventDefault();
				return false;

			case 38: // up
				var selected = list.find('.ui-timepicker-selected');

				if (!selected.length) {
					list.find('li').each(function(i, obj) {
						if ($(obj).position().top > 0) {
							selected = $(obj);
							return false;
						}
					});
					selected.addClass('ui-timepicker-selected');

				} else if (!selected.is(':first-child')) {
					selected.removeClass('ui-timepicker-selected');
					selected.prev().addClass('ui-timepicker-selected');

					if (selected.prev().position().top < selected.outerHeight()) {
						list.scrollTop(list.scrollTop() - selected.outerHeight());
					}
				}

				return false;

			case 40: // down
				selected = list.find('.ui-timepicker-selected');

				if (selected.length === 0) {
					list.find('li').each(function(i, obj) {
						if ($(obj).position().top > 0) {
							selected = $(obj);
							return false;
						}
					});

					selected.addClass('ui-timepicker-selected');
				} else if (!selected.is(':last-child')) {
					selected.removeClass('ui-timepicker-selected');
					selected.next().addClass('ui-timepicker-selected');

					if (selected.next().position().top + 2*selected.outerHeight() > list.outerHeight()) {
						list.scrollTop(list.scrollTop() + selected.outerHeight());
					}
				}

				return false;

			case 27: // escape
				list.find('li').removeClass('ui-timepicker-selected');
				methods.hide();
				break;

			case 9: //tab
				methods.hide();
				break;

			default:
				return true;
		}
	}

	/*
	*	Time typeahead
	*/
	function _keyuphandler(e)
	{
		var self = $(this);
		var list = self.data('timepicker-list');
		var settings = self.data('timepicker-settings');

		if (!list || !_isVisible(list) || settings.disableTextInput) {
			return true;
		}

		if (e.type === 'paste' || e.type === 'cut') {
		    	setTimeout(function () {
				if (settings.typeaheadHighlight) {
			    		_setSelected(self, list);
				} else {
			    		list.hide();
				}
		    	}, 0);
		    	return;
		}

		switch (e.keyCode) {

			case 96: // numpad numerals
			case 97:
			case 98:
			case 99:
			case 100:
			case 101:
			case 102:
			case 103:
			case 104:
			case 105:
			case 48: // numerals
			case 49:
			case 50:
			case 51:
			case 52:
			case 53:
			case 54:
			case 55:
			case 56:
			case 57:
			case 65: // a
			case 77: // m
			case 80: // p
			case 186: // colon
			case 8: // backspace
			case 46: // delete
				if (settings.typeaheadHighlight) {
					_setSelected(self, list);
				} else {
					list.hide();
				}
				break;
		}
	}

	function _selectValue(self)
	{
		var settings = self.data('timepicker-settings');
		var list = self.data('timepicker-list');
		var timeValue = null;

		var cursor = list.find('.ui-timepicker-selected');

		if (cursor.hasClass('ui-timepicker-disabled')) {
			return false;
		}

		if (cursor.length) {
			// selected value found
			timeValue = cursor.data('time');
		}

		if (timeValue !== null) {
			if (typeof timeValue != 'string') {
				timeValue = _int2time(timeValue, settings);
			}

			_setTimeValue(self, timeValue, 'select');
		}

		return true;
	}

	function _int2duration(seconds, step)
	{
		seconds = Math.abs(seconds);
		var minutes = Math.round(seconds/60),
			duration = [],
			hours, mins;

		if (minutes < 60) {
			// Only show (x mins) under 1 hour
			duration = [minutes, _lang.mins];
		} else {
			hours = Math.floor(minutes/60);
			mins = minutes%60;

			// Show decimal notation (eg: 1.5 hrs) for 30 minute steps
			if (step == 30 && mins == 30) {
				hours += _lang.decimal + 5;
			}

			duration.push(hours);
			duration.push(hours == 1 ? _lang.hr : _lang.hrs);

			// Show remainder minutes notation (eg: 1 hr 15 mins) for non-30 minute steps
			// and only if there are remainder minutes to show
			if (step != 30 && mins) {
				duration.push(mins);
				duration.push(_lang.mins);
			}
		}

		return duration.join(' ');
	}

	function _int2time(timeInt, settings)
	{
		if (typeof timeInt != 'number') {
			return null;
		}

		var seconds = parseInt(timeInt%60)
			, minutes = parseInt((timeInt/60)%60)
			, hours = parseInt((timeInt/(60*60))%24);

		var time = new Date(1970, 0, 2, hours, minutes, seconds, 0);

		if (isNaN(time.getTime())) {
			return null;
		}

		if ($.type(settings.timeFormat) === "function") {
			return settings.timeFormat(time);
		}

		var output = '';
		var hour, code;
		for (var i=0; i<settings.timeFormat.length; i++) {

			code = settings.timeFormat.charAt(i);
			switch (code) {

				case 'a':
					output += (time.getHours() > 11) ? _lang.pm : _lang.am;
					break;

				case 'A':
					output += (time.getHours() > 11) ? _lang.PM : _lang.AM;
					break;

				case 'g':
					hour = time.getHours() % 12;
					output += (hour === 0) ? '12' : hour;
					break;

				case 'G':
					hour = time.getHours();
					if (timeInt === _ONE_DAY) hour = settings.show2400 ? 24 : 0;
					output += hour;
					break;

				case 'h':
					hour = time.getHours() % 12;

					if (hour !== 0 && hour < 10) {
						hour = '0'+hour;
					}

					output += (hour === 0) ? '12' : hour;
					break;

				case 'H':
					hour = time.getHours();
					if (timeInt === _ONE_DAY) hour = settings.show2400 ? 24 : 0;
					output += (hour > 9) ? hour : '0'+hour;
					break;

				case 'i':
					var minutes = time.getMinutes();
					output += (minutes > 9) ? minutes : '0'+minutes;
					break;

				case 's':
					seconds = time.getSeconds();
					output += (seconds > 9) ? seconds : '0'+seconds;
					break;

				case '\\':
					// escape character; add the next character and skip ahead
					i++;
					output += settings.timeFormat.charAt(i);
					break;

				default:
					output += code;
			}
		}

		return output;
	}

	function _time2int(timeString, settings)
	{
		if (timeString === '' || timeString === null) return null;
		if (typeof timeString == 'object') {
			return timeString.getHours()*3600 + timeString.getMinutes()*60 + timeString.getSeconds();
		}
		if (typeof timeString != 'string') {
			return timeString;
		}

		timeString = timeString.toLowerCase().replace(/[\s\.]/g, '');

		// if the last character is an "a" or "p", add the "m"
		if (timeString.slice(-1) == 'a' || timeString.slice(-1) == 'p') {
			timeString += 'm';
		}

		var ampmRegex = '(' +
			_lang.am.replace('.', '')+'|' +
			_lang.pm.replace('.', '')+'|' +
			_lang.AM.replace('.', '')+'|' +
			_lang.PM.replace('.', '')+')?';

		// try to parse time input
		var pattern = new RegExp('^'+ampmRegex+'([0-9]?[0-9])\\W?([0-5][0-9])?\\W?([0-5][0-9])?'+ampmRegex+'$');

		var time = timeString.match(pattern);
		if (!time) {
			return null;
		}

		var hour = parseInt(time[2]*1, 10);
		var ampm = time[1] || time[5];
		var hours = hour;
		var minutes = ( time[3]*1 || 0 );
		var seconds = ( time[4]*1 || 0 );

		if (hour <= 12 && ampm) {
			var isPm = (ampm == _lang.pm || ampm == _lang.PM);

			if (hour == 12) {
				hours = isPm ? 12 : 0;
			} else {
				hours = (hour + (isPm ? 12 : 0));
			}
		} else if (settings) {
			var t = hour * 3600 + minutes * 60 + seconds;
			if (t >= _ONE_DAY + (settings.show2400 ? 1 : 0)) {
				if (settings.wrapHours === false) {
					return null;
				}

				hours = hour % 24;
			}
		}

		var timeInt = hours*3600 + minutes*60 + seconds;

		// if no am/pm provided, intelligently guess based on the scrollDefault
		if (hour < 12 && !ampm && settings && settings._twelveHourTime && settings.scrollDefault) {
			var delta = timeInt - settings.scrollDefault();
			if (delta < 0 && delta >= _ONE_DAY / -2) {
				timeInt = (timeInt + (_ONE_DAY / 2)) % _ONE_DAY;
			}
		}

		return timeInt;
	}

	function _pad2(n) {
		return ("0" + n).slice(-2);
	}

	function _moduloSeconds(seconds, settings) {
		if (seconds == _ONE_DAY && settings.show2400) {
			return seconds;
		}

		return seconds%_ONE_DAY;
	}

	// Plugin entry
	$.fn.timepicker = function(method)
	{
		if (!this.length) return this;
		if (methods[method]) {
			// check if this element is a timepicker
			if (!this.hasClass('ui-timepicker-input')) {
				return this;
			}
			return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
		}
		else if(typeof method === "object" || !method) { return methods.init.apply(this, arguments); }
		else { $.error("Method "+ method + " does not exist on jQuery.timepicker"); }
	};
}));