/*
* jQuery timepicker addon
* By: Trent Richardson [http://trentrichardson.com]
* Version 0.9.1
* Last Modified: 12/2/2010
*
* Copyright 2010 Trent Richardson
* Dual licensed under the MIT and GPL licenses.
* http://trentrichardson.com/Impromptu/GPL-LICENSE.txt
* http://trentrichardson.com/Impromptu/MIT-LICENSE.txt
*
* HERES THE CSS:
* .ui-timepicker-div .ui-widget-header{ margin-bottom: 8px; }
* .ui-timepicker-div dl{ text-align: left; }
* .ui-timepicker-div dl dt{ height: 25px; }
* .ui-timepicker-div dl dd{ margin: -25px 0 10px 65px; }
* .ui-timepicker-div td { font-size: 90%; }
*/

(function ($) {

	$.extend($.ui, { timepicker: { version: "0.9.1"} });

	/* Time picker 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',
			ampm: false,
			timeFormat: 'hh:mm tt',
			timeOnlyTitle: 'Choose Time',
			timeText: 'Time',
			hourText: 'Hour',
			minuteText: 'Minute',
			secondText: 'Second'
		};
		this._defaults = { // Global defaults for all the datetime picker instances
			showButtonPanel: true,
			timeOnly: false,
			showHour: true,
			showMinute: true,
			showSecond: false,
			showTime: true,
			stepHour: 0.05,
			stepMinute: 0.05,
			stepSecond: 0.05,
			hour: 0,
			minute: 0,
			second: 0,
			hourMin: 0,
			minuteMin: 0,
			secondMin: 0,
			hourMax: 23,
			minuteMax: 59,
			secondMax: 59,
			hourGrid: 0,
			minuteGrid: 0,
			secondGrid: 0,
			alwaysSetTime: true
		};
		$.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,
		hour: 0,
		minute: 0,
		second: 0,
		ampm: '',
		formattedDate: '',
		formattedTime: '',
		formattedDateTime: '',

		/* 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 = {};

			for (var attrName in this._defaults) {
				var attrValue = $input.attr('time:' + attrName);
				if (attrValue) {
					try {
						inlineSettings[attrName] = eval(attrValue);
					} catch (err) {
						inlineSettings[attrName] = attrValue;
					}
				}
			}
			tp_inst._defaults = $.extend({}, this._defaults, inlineSettings, o, {
				beforeShow: function (input, dp_inst) {
					tp_inst.hour = tp_inst._defaults.hour;
					tp_inst.minute = tp_inst._defaults.minute;
					tp_inst.second = tp_inst._defaults.second;
					tp_inst.ampm = '';
					tp_inst.$input = $(input);
					if (o.altField)
						tp_inst.$altInput = $($.datepicker._get(dp_inst, 'altField'))
						.css({ cursor: 'pointer' })
						.focus(function () {
							$input.trigger("focus");
						});
					tp_inst.inst = dp_inst;
					tp_inst._addTimePicker();
					if ($.isFunction(o.beforeShow))
						o.beforeShow(input, dp_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(o.onChangeMonthYear))
						o.onChangeMonthYear(year, month, dp_inst);
				},
				onClose: function (dateText, dp_inst) {
					if (tp_inst.timeDefined === true && $input.val() != '')
						tp_inst._updateDateTime(dp_inst);
					if ($.isFunction(o.onClose))
						o.onClose(dateText, dp_inst);
				},
				timepicker: tp_inst // add timepicker as a property of datepicker: $.datepicker._get(dp_inst, 'timepicker');
			});
			return tp_inst;
		},

		//########################################################################
		// add our sliders to the calendar
		//########################################################################
		_addTimePicker: function () {
			var currDT = (this.$altInput) ?
				this.$input.val() + ' ' + this.$altInput.val() :
				this.$input.val(),
				parsedDT = this._parseTime(currDT);

			this.timeDefined = (parsedDT) ? true : false;
			this._injectTimePicker();
		},

		//########################################################################
		// parse the time string from input value or _setTime
		//########################################################################
		_parseTime: function (timeString, withDate) {
			var regstr = this._defaults.timeFormat.toString()
				.replace(/h{1,2}/ig, '(\\d?\\d)')
				.replace(/m{1,2}/ig, '(\\d?\\d)')
				.replace(/s{1,2}/ig, '(\\d?\\d)')
				.replace(/t{1,2}/ig, '(am|pm|a|p)?')
				.replace(/\s/g, '\\s?') + '$',

			treg = timeString.match(new RegExp(regstr, 'i')),
			order = this._getFormatPositions();

			if (withDate || !this._defaults.timeOnly) {
				// the time should come after x number of characters and a space.
				// x = at least the length of text specified by the date format
				var dp_dateFormat = $.datepicker._get(this.inst, 'dateFormat');
				regstr = '.{' + dp_dateFormat.length + ',}\\s+' + regstr;
			}

			if (treg) {
				if (order.t !== -1)
					this.ampm = ((treg[order.t] === undefined || treg[order.t].length === 0) ?
					'' :
					(treg[order.t].charAt(0).toUpperCase() == 'A') ? 'AM' : 'PM').toUpperCase();

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

				if (order.m !== -1) this.minute = treg[order.m];
				if (order.s !== -1) this.second = treg[order.s];
			}
		},

		//########################################################################
		// figure out position of time elements.. cause js cant do named captures
		//########################################################################
		_getFormatPositions: function () {
			var finds = this._defaults.timeFormat.toLowerCase().match(/(h{1,2}|m{1,2}|s{1,2}|t{1,2})/g),
			orders = { h: -1, m: -1, s: -1, t: -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;
		},

		//########################################################################
		// generate and inject html for timepicker into ui datepicker
		//########################################################################
		_injectTimePicker: function () {
			var $dp = this.inst.dpDiv,
			o = this._defaults,
			tp_inst = this,
			// Added by Peter Medeiros:
			// - Figure out what the hour/minute/second max should be based on the step values.
			// - Example: if stepMinute is 15, then minMax is 45.
			hourMax = (o.hourMax - (o.hourMax % o.stepHour)).toFixed(0),
			minMax = (o.minuteMax - (o.minuteMax % o.stepMinute)).toFixed(0),
			secMax = (o.secondMax - (o.secondMax % o.stepSecond)).toFixed(0),
			dp_id = this.inst.id.toString().replace(/([^A-Za-z0-9_])/g, '');

			// Prevent displaying twice
			if ($dp.find("div#ui-timepicker-div-" + dp_id).length === 0) {
				var noDisplay = ' style="display:none;"',
				html = '<div class="ui-timepicker-div" id="ui-timepicker-div-' + dp_id + '"><dl>' +
						'<dt class="ui_tpicker_time_label" id="ui_tpicker_time_label_' + dp_id + '"' +
						((o.showTime) ? '' : noDisplay) + '>' + o.timeText + '</dt>' +
						'<dd class="ui_tpicker_time" id="ui_tpicker_time_' + dp_id + '"' +
						((o.showTime) ? '' : noDisplay) + '></dd>' +
						'<dt class="ui_tpicker_hour_label" id="ui_tpicker_hour_label_' + dp_id + '"' +
						((o.showHour) ? '' : noDisplay) + '>' + o.hourText + '</dt>',
				hourGridSize = 0,
				minuteGridSize = 0,
				secondGridSize = 0,
				size;

				if (o.showHour && o.hourGrid > 0) {
					html += '<dd class="ui_tpicker_hour">' +
						'<div id="ui_tpicker_hour_' + dp_id + '"' + ((o.showHour) ? '' : noDisplay) + '></div>' +
						'<div style="padding-left: 1px"><table><tr>';

					for (var h = o.hourMin; h < hourMax; h += o.hourGrid) {
						hourGridSize++;
						var tmph = (o.ampm && h > 12) ? h - 12 : h;
						if (tmph < 10) tmph = '0' + tmph;
						if (o.ampm) {
							if (h == 0) tmph = 12 + 'a';
							else if (h < 12) tmph += 'a';
							else tmph += 'p';
						}
						html += '<td>' + tmph + '</td>';
					}

					html += '</tr></table></div>' +
						'</dd>';
				} else html += '<dd class="ui_tpicker_hour" id="ui_tpicker_hour_' + dp_id + '"' +
							((o.showHour) ? '' : noDisplay) + '></dd>';

				html += '<dt class="ui_tpicker_minute_label" id="ui_tpicker_minute_label_' + dp_id + '"' +
					((o.showMinute) ? '' : noDisplay) + '>' + o.minuteText + '</dt>';

				if (o.showMinute && o.minuteGrid > 0) {
					html += '<dd class="ui_tpicker_minute ui_tpicker_minute_' + o.minuteGrid + '">' +
						'<div id="ui_tpicker_minute_' + dp_id + '"' +
						((o.showMinute) ? '' : noDisplay) + '></div>' +
						'<div style="padding-left: 1px"><table><tr>';

					for (var m = o.minuteMin; m < minMax; m += o.minuteGrid) {
						minuteGridSize++;
						html += '<td>' + ((m < 10) ? '0' : '') + m + '</td>';
					}

					html += '</tr></table></div>' +
						'</dd>';
				} else html += '<dd class="ui_tpicker_minute" id="ui_tpicker_minute_' + dp_id + '"' +
							((o.showMinute) ? '' : noDisplay) + '></dd>';

				html += '<dt class="ui_tpicker_second_label" id="ui_tpicker_second_label_' + dp_id + '"' +
					((o.showSecond) ? '' : noDisplay) + '>' + o.secondText + '</dt>';

				if (o.showSecond && o.secondGrid > 0) {
					html += '<dd class="ui_tpicker_second ui_tpicker_second_' + o.secondGrid + '">' +
						'<div id="ui_tpicker_second_' + dp_id + '"' +
						((o.showSecond) ? '' : noDisplay) + '></div>' +
						'<div style="padding-left: 1px"><table><tr>';

					for (var s = o.secondMin; s < secMax; s += o.secondGrid) {
						secondGridSize++;
						html += '<td>' + ((s < 10) ? '0' : '') + s + '</td>';
					}

					html += '</tr></table></div>' +
						'</dd>';
				} else html += '<dd class="ui_tpicker_second" id="ui_tpicker_second_' + dp_id + '"' +
							((o.showSecond) ? '' : noDisplay) + '></dd>';

				html += '</dl></div>';
				$tp = $(html);

				// if we only want time picker...
				if (o.timeOnly === true) {
					$tp.prepend(
					'<div class="ui-widget-header ui-helper-clearfix ui-corner-all">' +
						'<div class="ui-datepicker-title">' + o.timeOnlyTitle + '</div>' +
					'</div>');
					$dp.find('.ui-datepicker-header, .ui-datepicker-calendar').hide();
				}

				this.hour_slider = $tp.find('#ui_tpicker_hour_' + dp_id).slider({
					orientation: "horizontal",
					value: this.hour,
					min: o.hourMin,
					max: hourMax,
					step: o.stepHour,
					slide: function (event, ui) {
						tp_inst.hour_slider.slider("option", "value", ui.value);
						tp_inst._onTimeChange();
					}
				});

				// Updated by Peter Medeiros:
				// - Pass in Event and UI instance into slide function
				this.minute_slider = $tp.find('#ui_tpicker_minute_' + dp_id).slider({
					orientation: "horizontal",
					value: this.minute,
					min: o.minuteMin,
					max: minMax,
					step: o.stepMinute,
					slide: function (event, ui) {
						// update the global minute slider instance value with the current slider value
						tp_inst.minute_slider.slider("option", "value", ui.value);
						tp_inst._onTimeChange();
					}
				});

				this.second_slider = $tp.find('#ui_tpicker_second_' + dp_id).slider({
					orientation: "horizontal",
					value: this.second,
					min: o.secondMin,
					max: secMax,
					step: o.stepSecond,
					slide: function (event, ui) {
						tp_inst.second_slider.slider("option", "value", ui.value);
						tp_inst._onTimeChange();
					}
				});

				// Add grid functionality
				if (o.showHour && o.hourGrid > 0) {
					size = 100 * hourGridSize * o.hourGrid / (hourMax - o.hourMin);

					$tp.find(".ui_tpicker_hour table").css({
						width: size + "%",
						marginLeft: (size / (-2 * hourGridSize)) + "%",
						borderCollapse: 'collapse'
					}).find("td").each(function (index) {
						$(this).click(function () {
							var h = $(this).html();
							if (o.ampm) {
								var ap = h.substring(2).toLowerCase(),
								aph = parseInt(h.substring(0, 2));
								if (ap == 'a') {
									if (aph == 12) h = 0;
									else h = aph;
								} else if (aph == 12) h = 12;
								else h = aph + 12;
							}
							tp_inst.hour_slider.slider("option", "value", h);
							tp_inst._onTimeChange();
						}).css({
							cursor: 'pointer',
							width: (100 / hourGridSize) + '%',
							textAlign: 'center',
							overflow: 'hidden'
						});
					});
				}

				if (o.showMinute && o.minuteGrid > 0) {
					size = 100 * minuteGridSize * o.minuteGrid / (minMax - o.minuteMin);
					$tp.find(".ui_tpicker_minute table").css({
						width: size + "%",
						marginLeft: (size / (-2 * minuteGridSize)) + "%",
						borderCollapse: 'collapse'
					}).find("td").each(function (index) {
						$(this).click(function () {
							tp_inst.minute_slider.slider("option", "value", $(this).html());
							tp_inst._onTimeChange();
						}).css({
							cursor: 'pointer',
							width: (100 / minuteGridSize) + '%',
							textAlign: 'center',
							overflow: 'hidden'
						});
					});
				}

				if (o.showSecond && o.secondGrid > 0) {
					$tp.find(".ui_tpicker_second table").css({
						width: size + "%",
						marginLeft: (size / (-2 * secondGridSize)) + "%",
						borderCollapse: 'collapse'
					}).find("td").each(function (index) {
						$(this).click(function () {
							tp_inst.second_slider.slider("option", "value", $(this).html());
							tp_inst._onTimeChange();
						}).css({
							cursor: 'pointer',
							width: (100 / secondGridSize) + '%',
							textAlign: 'center',
							overflow: 'hidden'
						});
					});
				}

				var $buttonPanel = $dp.find('.ui-datepicker-buttonpane');
				if ($buttonPanel.length) $buttonPanel.before($tp);
				else $dp.append($tp);

				this.$timeObj = $('#ui_tpicker_time_' + dp_id);

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

		//########################################################################
		// when a slider moves...
		// on time change is also called when the time is updated in the text field
		//########################################################################
		_onTimeChange: function (force) {
			var hour = (this.hour_slider) ? this.hour_slider.slider('value') : this.hour,
			minute = (this.minute_slider) ? this.minute_slider.slider('value') : this.minute,
			second = (this.second_slider) ? this.second_slider.slider('value') : this.second,
			ampm = (hour < 11.5) ? 'AM' : 'PM',
			hasChanged = false;
			hour = (hour >= 11.5 && hour < 12) ? 12 : hour;

			// If the update was done in the input field, this field should not be updated.
			// If the update was done using the sliders, update the input field.
			if (force || this.hour != hour || this.minute != minute || this.second != second || (this.ampm.length > 0 && this.ampm != ampm))
				hasChanged = true;

			this.hour = parseFloat(hour).toFixed(0);
			this.minute = parseFloat(minute).toFixed(0);
			this.second = parseFloat(second).toFixed(0);
			this.ampm = ampm;

			this._formatTime();
			if (this.$timeObj) this.$timeObj.text(this.formattedTime);

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

		//########################################################################
		// format the time all pretty...
		//########################################################################
		_formatTime: function (time, format, ampm) {
			if (ampm == undefined) ampm = this._defaults.ampm;
			time = time || { hour: this.hour, minute: this.minute, second: this.second, ampm: this.ampm };
			var tmptime = format || this._defaults.timeFormat.toString();

			if (ampm) {
				var hour12 = ((time.ampm == 'AM') ? (time.hour) : (time.hour % 12));
				hour12 = (Number(hour12) === 0) ? 12 : hour12;
				tmptime = tmptime.toString()
				.replace(/hh/g, ((hour12 < 10) ? '0' : '') + hour12)
				.replace(/h/g, hour12)
				.replace(/mm/g, ((time.minute < 10) ? '0' : '') + time.minute)
				.replace(/m/g, time.minute)
				.replace(/ss/g, ((time.second < 10) ? '0' : '') + time.second)
				.replace(/s/g, time.second)
				.replace(/TT/g, time.ampm.toUpperCase())
				.replace(/tt/g, time.ampm.toLowerCase())
				.replace(/T/g, time.ampm.charAt(0).toUpperCase())
				.replace(/t/g, time.ampm.charAt(0).toLowerCase());
			} else {
				tmptime = tmptime.toString()
				.replace(/hh/g, ((time.hour < 10) ? '0' : '') + time.hour)
				.replace(/h/g, time.hour)
				.replace(/mm/g, ((time.minute < 10) ? '0' : '') + time.minute)
				.replace(/m/g, time.minute)
				.replace(/ss/g, ((time.second < 10) ? '0' : '') + time.second)
				.replace(/s/g, time.second);
				tmptime = $.trim(tmptime.replace(/t/gi, ''));
			}

			if (arguments.length) return tmptime;
			else this.formattedTime = tmptime;
		},

		//########################################################################
		// update our input with the new date time..
		//########################################################################
		_updateDateTime: function () {
			var dp_inst = this.inst,
			dt = 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;

			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)) {
				if (this.$altInput) this.$altInput.val(this.formattedTime);
				else formattedDateTime += ' ' + this.formattedTime;
			}

			this.formattedDateTime = formattedDateTime;
			this.$input.val(formattedDateTime).trigger("change");
		}

	});

	$.fn.extend({
		//########################################################################
		// shorthand just to use timepicker..
		//########################################################################
		timepicker: function (o) {
			o = o || {};
			var tmp_args = 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 $input = this,
			tmp_args = arguments;

			if (typeof (o) == 'string') {
				if (o == 'getDate')
					return $.fn.datepicker.apply($(this), tmp_args);
				else
					return this.each(function () {
						$.fn.datepicker.apply($(this), tmp_args);
					});
			}
			else
				return this.each(function () {
					$(this).datepicker($.timepicker._newInst($input, o)._defaults);
				});
		}
	});

	//########################################################################
	// 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) {
			inst.inline = inst.stay_open = true;
			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) {
		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.
			this._beforeShow(inst.input, inst);
		}
	};

	$.datepicker._beforeShow = function (input, inst) {
		var beforeShow = this._get(inst, 'beforeShow');
		if (beforeShow) {
			inst.stay_open = true;
			beforeShow.apply((inst.input ? inst.input[0] : null), [inst.input, inst]);
			inst.stay_open = false;
		}
	};

	//#######################################################################################
	// third bad hack :/ override datepicker so it allows spaces and colan 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 = tp_inst._defaults.ampm,
				datetimeChars = tp_inst._defaults.timeFormat.toString()
								.replace(/[hms]/g, '')
								.replace(/TT/g, ampm ? 'APM' : '')
								.replace(/T/g, ampm ? 'AP' : '')
								.replace(/tt/g, ampm ? 'apm' : '')
								.replace(/t/g, ampm ? 'ap' : '') +
								" " +
								$.datepicker._possibleChars($.datepicker._get(inst, 'dateFormat')),
				chr = String.fromCharCode(event.charCode === undefined ? event.keyCode : event.charCode);
				return event.ctrlKey || (chr < ' ' || !datetimeChars || datetimeChars.indexOf(chr) > -1);
			}
		} else return $.datepicker._base_doKeyPress(event);

	};

	//#######################################################################################
	// 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;
	$.datepicker._gotoToday = function (id) {
		this._base_gotoToday(id);
		this._setTime(this._getInst($(id)[0]), new Date());
	};

	//#######################################################################################
	// 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
			hour = date ? date.getHours() : defaults.hour,
			minute = date ? date.getMinutes() : defaults.minute,
			second = date ? date.getSeconds() : defaults.second;

			//check if within min/max times..
			if ((hour < defaults.hourMin || hour > defaults.hourMax) || (minute < defaults.minuteMin || minute > defaults.minuteMax) || (second < defaults.secondMin || second > defaults.secondMax)) {
				hour = defaults.hourMin;
				minute = defaults.minuteMin;
				second = defaults.secondMin;
			}

			if (tp_inst.hour_slider) tp_inst.hour_slider.slider('value', hour);
			else tp_inst.hour = hour;
			if (tp_inst.minute_slider) tp_inst.minute_slider.slider('value', minute);
			else tp_inst.minute = minute;
			if (tp_inst.second_slider) tp_inst.second_slider.slider('value', second);
			else tp_inst.second = second;

			tp_inst._onTimeChange(true);
		}
	};

	//#######################################################################################
	// Create new public method to set only time, callable as $().datepicker('setTime', date)
	//#######################################################################################
	$.datepicker._setTimeDatepicker = function (target, date, withDate) {
		var inst = this._getInst(target),
		tp_inst = this._get(inst, 'timepicker');

		if (tp_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);
				}
				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),
		tp_date = new Date(date.getTime());

		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),
		tp_inst = this._get(inst, 'timepicker');
		if (tp_inst)
			return (!inst.currentYear || (inst.input && inst.input.val() == '')) ?
			null :
			(new Date(inst.currentYear, inst.currentMonth, inst.currentDay, tp_inst.hour, tp_inst.minute, tp_inst.second));
		else return this._base_getDateDatepicker(inst);
	};

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

	$.timepicker = new Timepicker(); // singleton instance
	$.timepicker.version = "0.9.1";

})(jQuery);