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/*!
 * FullCalendar v1.6.4
 * Docs & License: http://arshaw.com/fullcalendar/
 * (c) 2013 Adam Shaw
 */

/*
 * Use fullcalendar.css for basic styling.
 * For event drag & drop, requires jQuery UI draggable.
 * For event resizing, requires jQuery UI resizable.
 */
 
(function($, undefined) {

;;

var defaults = {

// display
	defaultView: 'month',
	aspectRatio: 1.35,
	header: {
		left: 'title',
		center: '',
		right: 'today prev,next'
	},
	weekends: true,
	weekNumbers: false,
	weekNumberCalculation: 'iso',
	weekNumberTitle: 'W',
	
	// editing
	//editable: false,
	//disableDragging: false,
	//disableResizing: false,
	
	allDayDefault: true,
	ignoreTimezone: true,
	
	// event ajax
	lazyFetching: true,
	startParam: 'start',
	endParam: 'end',
	
	// time formats
	titleFormat: {
		month: 'MMMM yyyy',
		week: "MMM d[ yyyy]{ '&#8212;'[ MMM] d yyyy}",
		day: 'dddd, MMM d, yyyy'
	},
	columnFormat: {
		month: 'ddd',
		week: 'ddd M/d',
		day: 'dddd M/d'
	},
	timeFormat: { // for event elements
		'': 'h(:mm)t' // default
	},
	
	// locale
	isRTL: false,
	firstDay: 0,
	monthNames: ['January','February','March','April','May','June','July','August','September','October','November','December'],
	monthNamesShort: ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'],
	dayNames: ['Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday'],
	dayNamesShort: ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'],
	buttonText: {
		prev: "<span class='fc-text-arrow'>&lsaquo;</span>",
		next: "<span class='fc-text-arrow'>&rsaquo;</span>",
		prevYear: "<span class='fc-text-arrow'>&laquo;</span>",
		nextYear: "<span class='fc-text-arrow'>&raquo;</span>",
		today: 'today',
		month: 'month',
		week: 'week',
		day: 'day'
	},
	
	// jquery-ui theming
	theme: false,
	buttonIcons: {
		prev: 'circle-triangle-w',
		next: 'circle-triangle-e'
	},
	
	//selectable: false,
	unselectAuto: true,
	
	dropAccept: '*',
	
	handleWindowResize: true
	
};

// right-to-left defaults
var rtlDefaults = {
	header: {
		left: 'next,prev today',
		center: '',
		right: 'title'
	},
	buttonText: {
		prev: "<span class='fc-text-arrow'>&rsaquo;</span>",
		next: "<span class='fc-text-arrow'>&lsaquo;</span>",
		prevYear: "<span class='fc-text-arrow'>&raquo;</span>",
		nextYear: "<span class='fc-text-arrow'>&laquo;</span>"
	},
	buttonIcons: {
		prev: 'circle-triangle-e',
		next: 'circle-triangle-w'
	}
};

;;

var fc = $.fullCalendar = { version: "1.6.4" };
var fcViews = fc.views = {};

$.fn.fullCalendar = function(options) {

// method calling
	if (typeof options == 'string') {
		var args = Array.prototype.slice.call(arguments, 1);
		var res;
		this.each(function() {
			var calendar = $.data(this, 'fullCalendar');
			if (calendar && $.isFunction(calendar[options])) {
				var r = calendar[options].apply(calendar, args);
				if (res === undefined) {
					res = r;
				}
				if (options == 'destroy') {
					$.removeData(this, 'fullCalendar');
				}
			}
		});
		if (res !== undefined) {
			return res;
		}
		return this;
	}

options = options || {};
	
	// would like to have this logic in EventManager, but needs to happen before options are recursively extended
	var eventSources = options.eventSources || [];
	delete options.eventSources;
	if (options.events) {
		eventSources.push(options.events);
		delete options.events;
	}

options = $.extend(true, {},
		defaults,
		(options.isRTL || options.isRTL===undefined && defaults.isRTL) ? rtlDefaults : {},
		options
	);
	
	
	this.each(function(i, _element) {
		var element = $(_element);
		var calendar = new Calendar(element, options, eventSources);
		element.data('fullCalendar', calendar); // TODO: look into memory leak implications
		calendar.render();
	});
	
	
	return this;
	
};

// function for adding/overriding defaults
function setDefaults(d) {
	$.extend(true, defaults, d);
}

;;

content = $("<div class='fc-content' style='position:relative'/>")
			.prependTo(element);

header = new Header(t, options);
		headerElement = header.render();
		if (headerElement) {
			element.prepend(headerElement);
		}

changeView(options.defaultView);

if (options.handleWindowResize) {
			$(window).resize(windowResize);
		}

// needed for IE in a 0x0 iframe, b/c when it is resized, never triggers a windowResize
		if (!bodyVisible()) {
			lateRender();
		}
	}
	
	
	// called when we know the calendar couldn't be rendered when it was initialized,
	// but we think it's ready now
	function lateRender() {
		setTimeout(function() { // IE7 needs this so dimensions are calculated correctly
			if (!currentView.start && bodyVisible()) { // !currentView.start makes sure this never happens more than once
				renderView();
			}
		},0);
	}
	
	
	function destroy() {

if (currentView) {
			trigger('viewDestroy', currentView, currentView, currentView.element);
			currentView.triggerEventDestroy();
		}

$(window).unbind('resize', windowResize);

header.destroy();
		content.remove();
		element.removeClass('fc fc-rtl ui-widget');
	}
	
	
	function elementVisible() {
		return element.is(':visible');
	}
	
	
	function bodyVisible() {
		return $('body').is(':visible');
	}
	
	
	
	/* View Rendering
	-----------------------------------------------------------------------------*/

function changeView(newViewName) {
		if (!currentView || newViewName != currentView.name) {
			_changeView(newViewName);
		}
	}

function _changeView(newViewName) {
		ignoreWindowResize++;

if (currentView) {
			trigger('viewDestroy', currentView, currentView, currentView.element);
			unselect();
			currentView.triggerEventDestroy(); // trigger 'eventDestroy' for each event
			freezeContentHeight();
			currentView.element.remove();
			header.deactivateButton(currentView.name);
		}

header.activateButton(newViewName);

currentView = new fcViews[newViewName](
			$("<div class='fc-view fc-view-" + newViewName + "' style='position:relative'/>")
				.appendTo(content),
			t // the calendar object
		);

renderView();
		unfreezeContentHeight();

ignoreWindowResize--;
	}

function renderView(inc) {
		if (
			!currentView.start || // never rendered before
			inc || date < currentView.start || date >= currentView.end // or new date range
		) {
			if (elementVisible()) {
				_renderView(inc);
			}
		}
	}

function _renderView(inc) { // assumes elementVisible
		ignoreWindowResize++;

if (currentView.start) { // already been rendered?
			trigger('viewDestroy', currentView, currentView, currentView.element);
			unselect();
			clearEvents();
		}

freezeContentHeight();
		currentView.render(date, inc || 0); // the view's render method ONLY renders the skeleton, nothing else
		setSize();
		unfreezeContentHeight();
		(currentView.afterRender || noop)();

updateTitle();
		updateTodayButton();

trigger('viewRender', currentView, currentView, currentView.element);
		currentView.trigger('viewDisplay', _element); // deprecated

ignoreWindowResize--;

getAndRenderEvents();
	}

/* Resizing
	-----------------------------------------------------------------------------*/
	
	
	function updateSize() {
		if (elementVisible()) {
			unselect();
			clearEvents();
			calcSize();
			setSize();
			renderEvents();
		}
	}
	
	
	function calcSize() { // assumes elementVisible
		if (options.contentHeight) {
			suggestedViewHeight = options.contentHeight;
		}
		else if (options.height) {
			suggestedViewHeight = options.height - (headerElement ? headerElement.height() : 0) - vsides(content);
		}
		else {
			suggestedViewHeight = Math.round(content.width() / Math.max(options.aspectRatio, .5));
		}
	}
	
	
	function setSize() { // assumes elementVisible

if (suggestedViewHeight === undefined) {
			calcSize(); // for first time
				// NOTE: we don't want to recalculate on every renderView because
				// it could result in oscillating heights due to scrollbars.
		}

ignoreWindowResize++;
		currentView.setHeight(suggestedViewHeight);
		currentView.setWidth(content.width());
		ignoreWindowResize--;

elementOuterWidth = element.outerWidth();
	}
	
	
	function windowResize() {
		if (!ignoreWindowResize) {
			if (currentView.start) { // view has already been rendered
				var uid = ++resizeUID;
				setTimeout(function() { // add a delay
					if (uid == resizeUID && !ignoreWindowResize && elementVisible()) {
						if (elementOuterWidth != (elementOuterWidth = element.outerWidth())) {
							ignoreWindowResize++; // in case the windowResize callback changes the height
							updateSize();
							currentView.trigger('windowResize', _element);
							ignoreWindowResize--;
						}
					}
				}, 200);
			}else{
				// calendar must have been initialized in a 0x0 iframe that has just been resized
				lateRender();
			}
		}
	}
	
	
	
	/* Event Fetching/Rendering
	-----------------------------------------------------------------------------*/
	// TODO: going forward, most of this stuff should be directly handled by the view

function refetchEvents() { // can be called as an API method
		clearEvents();
		fetchAndRenderEvents();
	}

function rerenderEvents(modifiedEventID) { // can be called as an API method
		clearEvents();
		renderEvents(modifiedEventID);
	}

function renderEvents(modifiedEventID) { // TODO: remove modifiedEventID hack
		if (elementVisible()) {
			currentView.setEventData(events); // for View.js, TODO: unify with renderEvents
			currentView.renderEvents(events, modifiedEventID); // actually render the DOM elements
			currentView.trigger('eventAfterAllRender');
		}
	}

function clearEvents() {
		currentView.triggerEventDestroy(); // trigger 'eventDestroy' for each event
		currentView.clearEvents(); // actually remove the DOM elements
		currentView.clearEventData(); // for View.js, TODO: unify with clearEvents
	}

function getAndRenderEvents() {
		if (!options.lazyFetching || isFetchNeeded(currentView.visStart, currentView.visEnd)) {
			fetchAndRenderEvents();
		}
		else {
			renderEvents();
		}
	}

function fetchAndRenderEvents() {
		fetchEvents(currentView.visStart, currentView.visEnd);
			// ... will call reportEvents
			// ... which will call renderEvents
	}

// called when event data arrives
	function reportEvents(_events) {
		events = _events;
		renderEvents();
	}

// called when a single event's data has been changed
	function reportEventChange(eventID) {
		rerenderEvents(eventID);
	}

/* Header Updating
	-----------------------------------------------------------------------------*/

function updateTitle() {
		header.updateTitle(currentView.title);
	}

/* Selection
	-----------------------------------------------------------------------------*/

function select(start, end, allDay) {
		currentView.select(start, end, allDay===undefined ? true : allDay);
	}

/* Height "Freezing"
	-----------------------------------------------------------------------------*/

function freezeContentHeight() {
		content.css({
			width: '100%',
			height: content.height(),
			overflow: 'hidden'
		});
	}

}

;;

function Header(calendar, options) {
	var t = this;
	
	
	// exports
	t.render = render;
	t.destroy = destroy;
	t.updateTitle = updateTitle;
	t.activateButton = activateButton;
	t.deactivateButton = deactivateButton;
	t.disableButton = disableButton;
	t.enableButton = enableButton;
	
	
	// locals
	var element = $([]);
	var tm;

}

;;

fc.sourceNormalizers = [];
fc.sourceFetchers = [];

var ajaxDefaults = {
	dataType: 'json',
	cache: false
};

var eventGUID = 1;

if (options.eventDataTransform) {
						events = $.map(events, options.eventDataTransform);
					}
					if (source.eventDataTransform) {
						events = $.map(events, source.eventDataTransform);
					}
					// TODO: this technique is not ideal for static array event sources.
					//  For arrays, we'll want to process all events right in the beginning, then never again.
				
					for (var i=0; i<events.length; i++) {
						events[i].source = source;
						normalizeEvent(events[i]);
					}
					cache = cache.concat(events);
				}
				pendingSourceCnt--;
				if (!pendingSourceCnt) {
					reportEvents(cache);
				}
			}
		});
	}
	
	
	function _fetchEventSource(source, callback) {
		var i;
		var fetchers = fc.sourceFetchers;
		var res;
		for (i=0; i<fetchers.length; i++) {
			res = fetchers[i](source, rangeStart, rangeEnd, callback);
			if (res === true) {
				// the fetcher is in charge. made its own async request
				return;
			}
			else if (typeof res == 'object') {
				// the fetcher returned a new source. process it
				_fetchEventSource(res, callback);
				return;
			}
		}
		var events = source.events;
		if (events) {
			if ($.isFunction(events)) {
				pushLoading();
				events(cloneDate(rangeStart), cloneDate(rangeEnd), function(events) {
					callback(events);
					popLoading();
				});
			}
			else if ($.isArray(events)) {
				callback(events);
			}
			else {
				callback();
			}
		}else{
			var url = source.url;
			if (url) {
				var success = source.success;
				var error = source.error;
				var complete = source.complete;

// retrieve any outbound GET/POST $.ajax data from the options
				var customData;
				if ($.isFunction(source.data)) {
					// supplied as a function that returns a key/value object
					customData = source.data();
				}
				else {
					// supplied as a straight key/value object
					customData = source.data;
				}

// use a copy of the custom data so we can modify the parameters
				// and not affect the passed-in object.
				var data = $.extend({}, customData || {});

var startParam = firstDefined(source.startParam, options.startParam);
				var endParam = firstDefined(source.endParam, options.endParam);
				if (startParam) {
					data[startParam] = Math.round(+rangeStart / 1000);
				}
				if (endParam) {
					data[endParam] = Math.round(+rangeEnd / 1000);
				}

pushLoading();
				$.ajax($.extend({}, ajaxDefaults, source, {
					data: data,
					success: function(events) {
						events = events || [];
						var res = applyAll(success, this, arguments);
						if ($.isArray(res)) {
							events = res;
						}
						callback(events);
					},
					error: function() {
						applyAll(error, this, arguments);
						callback();
					},
					complete: function() {
						applyAll(complete, this, arguments);
						popLoading();
					}
				}));
			}else{
				callback();
			}
		}
	}
	
	
	
	/* Sources
	-----------------------------------------------------------------------------*/

}

;;

fc.addDays = addDays;
fc.cloneDate = cloneDate;
fc.parseDate = parseDate;
fc.parseISO8601 = parseISO8601;
fc.parseTime = parseTime;
fc.formatDate = formatDate;
fc.formatDates = formatDates;

/* Date Math
-----------------------------------------------------------------------------*/

var dayIDs = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'],
	DAY_MS = 86400000,
	HOUR_MS = 3600000,
	MINUTE_MS = 60000;

function addYears(d, n, keepTime) {
	d.setFullYear(d.getFullYear() + n);
	if (!keepTime) {
		clearTime(d);
	}
	return d;
}

function fixDate(d, check) { // force d to be on check's YMD, for daylight savings purposes
	if (+d) { // prevent infinite looping on invalid dates
		while (d.getDate() != check.getDate()) {
			d.setTime(+d + (d < check ? 1 : -1) * HOUR_MS);
		}
	}
}

function addMinutes(d, n) {
	d.setMinutes(d.getMinutes() + n);
	return d;
}

function clearTime(d) {
	d.setHours(0);
	d.setMinutes(0);
	d.setSeconds(0); 
	d.setMilliseconds(0);
	return d;
}

function cloneDate(d, dontKeepTime) {
	if (dontKeepTime) {
		return clearTime(new Date(+d));
	}
	return new Date(+d);
}

function zeroDate() { // returns a Date with time 00:00:00 and dateOfMonth=1
	var i=0, d;
	do {
		d = new Date(1970, i++, 1);
	} while (d.getHours()); // != 0
	return d;
}

function dayDiff(d1, d2) { // d1 - d2
	return Math.round((cloneDate(d1, true) - cloneDate(d2, true)) / DAY_MS);
}

/* Date Parsing
-----------------------------------------------------------------------------*/

/* Date Formatting
-----------------------------------------------------------------------------*/
// TODO: use same function formatDate(date, [date2], format, [options])

function formatDate(date, format, options) {
	return formatDates(date, null, format, options);
}

/* thanks jQuery UI (https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.datepicker.js)
 * 
 * Set as calculateWeek to determine the week of the year based on the ISO 8601 definition.
 * `date` - the date to get the week for
 * `number` - the number of the week within the year that contains this date
 */
function iso8601Week(date) {
	var time;
	var checkDate = new Date(date.getTime());

// Find Thursday of this week starting on Monday
	checkDate.setDate(checkDate.getDate() + 4 - (checkDate.getDay() || 7));

time = checkDate.getTime();
	checkDate.setMonth(0); // Compare with Jan 1
	checkDate.setDate(1);
	return Math.floor(Math.round((time - checkDate) / 86400000) / 7) + 1;
}

;;

fc.applyAll = applyAll;

/* Event Date Math
-----------------------------------------------------------------------------*/

function exclEndDay(event) {
	if (event.end) {
		return _exclEndDay(event.end, event.allDay);
	}else{
		return addDays(cloneDate(event.start), 1);
	}
}

function _exclEndDay(end, allDay) {
	end = cloneDate(end);
	return allDay || end.getHours() || end.getMinutes() ? addDays(end, 1) : clearTime(end);
	// why don't we check for seconds/ms too?
}

/* Event Element Binding
-----------------------------------------------------------------------------*/

/* Element Dimensions
-----------------------------------------------------------------------------*/

function setOuterWidth(element, width, includeMargins) {
	for (var i=0, e; i<element.length; i++) {
		e = $(element[i]);
		e.width(Math.max(0, width - hsides(e, includeMargins)));
	}
}

function setOuterHeight(element, height, includeMargins) {
	for (var i=0, e; i<element.length; i++) {
		e = $(element[i]);
		e.height(Math.max(0, height - vsides(e, includeMargins)));
	}
}

function hsides(element, includeMargins) {
	return hpadding(element) + hborders(element) + (includeMargins ? hmargins(element) : 0);
}

function hpadding(element) {
	return (parseFloat($.css(element[0], 'paddingLeft', true)) || 0) +
	       (parseFloat($.css(element[0], 'paddingRight', true)) || 0);
}

function hmargins(element) {
	return (parseFloat($.css(element[0], 'marginLeft', true)) || 0) +
	       (parseFloat($.css(element[0], 'marginRight', true)) || 0);
}

function hborders(element) {
	return (parseFloat($.css(element[0], 'borderLeftWidth', true)) || 0) +
	       (parseFloat($.css(element[0], 'borderRightWidth', true)) || 0);
}

function vsides(element, includeMargins) {
	return vpadding(element) +  vborders(element) + (includeMargins ? vmargins(element) : 0);
}

function vpadding(element) {
	return (parseFloat($.css(element[0], 'paddingTop', true)) || 0) +
	       (parseFloat($.css(element[0], 'paddingBottom', true)) || 0);
}

function vmargins(element) {
	return (parseFloat($.css(element[0], 'marginTop', true)) || 0) +
	       (parseFloat($.css(element[0], 'marginBottom', true)) || 0);
}

function vborders(element) {
	return (parseFloat($.css(element[0], 'borderTopWidth', true)) || 0) +
	       (parseFloat($.css(element[0], 'borderBottomWidth', true)) || 0);
}

/* Misc Utils
-----------------------------------------------------------------------------*/

//TODO: arraySlice
//TODO: isFunction, grep ?

function noop() { }

function dateCompare(a, b) {
	return a - b;
}

function arrayMax(a) {
	return Math.max.apply(Math, a);
}

function zeroPad(n) {
	return (n < 10 ? '0' : '') + n;
}

function htmlEscape(s) {
	return s.replace(/&/g, '&amp;')
		.replace(/</g, '&lt;')
		.replace(/>/g, '&gt;')
		.replace(/'/g, '&#039;')
		.replace(/"/g, '&quot;')
		.replace(/\n/g, '<br />');
}

function disableTextSelection(element) {
	element
		.attr('unselectable', 'on')
		.css('MozUserSelect', 'none')
		.bind('selectstart.ui', function() { return false; });
}

/*
function enableTextSelection(element) {
	element
		.attr('unselectable', 'off')
		.css('MozUserSelect', '')
		.unbind('selectstart.ui');
}
*/

function markFirstLast(e) {
	e.children()
		.removeClass('fc-first fc-last')
		.filter(':first-child')
			.addClass('fc-first')
		.end()
		.filter(':last-child')
			.addClass('fc-last');
}

function setDayID(cell, date) {
	cell.each(function(i, _cell) {
		_cell.className = _cell.className.replace(/^fc-\w*/, 'fc-' + dayIDs[date.getDay()]);
		// TODO: make a way that doesn't rely on order of classes
	});
}

function firstDefined() {
	for (var i=0; i<arguments.length; i++) {
		if (arguments[i] !== undefined) {
			return arguments[i];
		}
	}
}

;;

fcViews.month = MonthView;

function MonthView(element, calendar) {
	var t = this;
	
	
	// exports
	t.render = render;
	
	
	// imports
	BasicView.call(t, element, calendar, 'month');
	var opt = t.opt;
	var renderBasic = t.renderBasic;
	var skipHiddenDays = t.skipHiddenDays;
	var getCellsPerWeek = t.getCellsPerWeek;
	var formatDate = calendar.formatDate;
	
	
	function render(date, delta) {

if (delta) {
			addMonths(date, delta);
			date.setDate(1);
		}

var firstDay = opt('firstDay');

var start = cloneDate(date, true);
		start.setDate(1);

var end = addMonths(cloneDate(start), 1);

var visStart = cloneDate(start);
		addDays(visStart, -((visStart.getDay() - firstDay + 7) % 7));
		skipHiddenDays(visStart);

var visEnd = cloneDate(end);
		addDays(visEnd, (7 - visEnd.getDay() + firstDay) % 7);
		skipHiddenDays(visEnd, -1, true);

var colCnt = getCellsPerWeek();
		var rowCnt = Math.round(dayDiff(visEnd, visStart) / 7); // should be no need for Math.round

if (opt('weekMode') == 'fixed') {
			addDays(visEnd, (6 - rowCnt) * 7); // add weeks to make up for it
			rowCnt = 6;
		}

t.title = formatDate(start, opt('titleFormat'));

t.start = start;
		t.end = end;
		t.visStart = visStart;
		t.visEnd = visEnd;

renderBasic(rowCnt, colCnt, true);
	}
	
	
}

;;

fcViews.basicWeek = BasicWeekView;

function BasicWeekView(element, calendar) {
	var t = this;
	
	
	// exports
	t.render = render;
	
	
	// imports
	BasicView.call(t, element, calendar, 'basicWeek');
	var opt = t.opt;
	var renderBasic = t.renderBasic;
	var skipHiddenDays = t.skipHiddenDays;
	var getCellsPerWeek = t.getCellsPerWeek;
	var formatDates = calendar.formatDates;
	
	
	function render(date, delta) {

if (delta) {
			addDays(date, delta * 7);
		}

var start = addDays(cloneDate(date), -((date.getDay() - opt('firstDay') + 7) % 7));
		var end = addDays(cloneDate(start), 7);

var visStart = cloneDate(start);
		skipHiddenDays(visStart);

var visEnd = cloneDate(end);
		skipHiddenDays(visEnd, -1, true);

var colCnt = getCellsPerWeek();

t.start = start;
		t.end = end;
		t.visStart = visStart;
		t.visEnd = visEnd;

t.title = formatDates(
			visStart,
			addDays(cloneDate(visEnd), -1),
			opt('titleFormat')
		);

renderBasic(1, colCnt, false);
	}
	
	
}

;;

fcViews.basicDay = BasicDayView;

function BasicDayView(element, calendar) {
	var t = this;
	
	
	// exports
	t.render = render;
	
	
	// imports
	BasicView.call(t, element, calendar, 'basicDay');
	var opt = t.opt;
	var renderBasic = t.renderBasic;
	var skipHiddenDays = t.skipHiddenDays;
	var formatDate = calendar.formatDate;
	
	
	function render(date, delta) {

if (delta) {
			addDays(date, delta);
		}
		skipHiddenDays(date, delta < 0 ? -1 : 1);

var start = cloneDate(date, true);
		var end = addDays(cloneDate(start), 1);

t.title = formatDate(date, opt('titleFormat'));

t.start = t.visStart = start;
		t.end = t.visEnd = end;

renderBasic(1, 1, false);
	}
	
	
}

;;

setDefaults({
	weekMode: 'fixed'
});

if (!body) {
			buildEventContainer();
		}

buildTable();
	}
	
	
	function updateOptions() {
		tm = opt('theme') ? 'ui' : 'fc';
		colFormat = opt('columnFormat');

// week # options. (TODO: bad, logic also in other views)
		showWeekNumbers = opt('weekNumbers');
		weekNumberTitle = opt('weekNumberTitle');
		if (opt('weekNumberCalculation') != 'iso') {
			weekNumberFormat = "w";
		}
		else {
			weekNumberFormat = "W";
		}
	}
	
	
	function buildEventContainer() {
		daySegmentContainer =
			$("<div class='fc-event-container' style='position:absolute;z-index:8;top:0;left:0'/>")
				.appendTo(element);
	}
	
	
	function buildTable() {
		var html = buildTableHTML();

if (table) {
			table.remove();
		}
		table = $(html).appendTo(element);

head = table.find('thead');
		headCells = head.find('.fc-day-header');
		body = table.find('tbody');
		bodyRows = body.find('tr');
		bodyCells = body.find('.fc-day');
		bodyFirstCells = bodyRows.find('td:first-child');

firstRowCellInners = bodyRows.eq(0).find('.fc-day > div');
		firstRowCellContentInners = bodyRows.eq(0).find('.fc-day-content > div');
		
		markFirstLast(head.add(head.find('tr'))); // marks first+last tr/th's
		markFirstLast(bodyRows); // marks first+last td's
		bodyRows.eq(0).addClass('fc-first');
		bodyRows.filter(':last').addClass('fc-last');

bodyCells.each(function(i, _cell) {
			var date = cellToDate(
				Math.floor(i / colCnt),
				i % colCnt
			);
			trigger('dayRender', t, date, $(_cell));
		});

dayBind(bodyCells);
	}

/* HTML Building
	-----------------------------------------------------------*/

function buildTableHTML() {
		var html =
			"<table class='fc-border-separate' style='width:100%' cellspacing='0'>" +
			buildHeadHTML() +
			buildBodyHTML() +
			"</table>";

return html;
	}

function buildHeadHTML() {
		var headerClass = tm + "-widget-header";
		var html = '';
		var col;
		var date;

html += "<thead><tr>";

if (showWeekNumbers) {
			html +=
				"<th class='fc-week-number " + headerClass + "'>" +
				htmlEscape(weekNumberTitle) +
				"</th>";
		}

for (col=0; col<colCnt; col++) {
			date = cellToDate(0, col);
			html +=
				"<th class='fc-day-header fc-" + dayIDs[date.getDay()] + " " + headerClass + "'>" +
				htmlEscape(formatDate(date, colFormat)) +
				"</th>";
		}

html += "</tr></thead>";

return html;
	}

function buildBodyHTML() {
		var contentClass = tm + "-widget-content";
		var html = '';
		var row;
		var col;
		var date;

html += "<tbody>";

for (row=0; row<rowCnt; row++) {

html += "<tr class='fc-week'>";

if (showWeekNumbers) {
				date = cellToDate(row, 0);
				html +=
					"<td class='fc-week-number " + contentClass + "'>" +
					"<div>" +
					htmlEscape(formatDate(date, weekNumberFormat)) +
					"</div>" +
					"</td>";
			}

for (col=0; col<colCnt; col++) {
				date = cellToDate(row, col);
				html += buildCellHTML(date);
			}

html += "</tr>";
		}

html += "</tbody>";

return html;
	}

function buildCellHTML(date) {
		var contentClass = tm + "-widget-content";
		var month = t.start.getMonth();
		var today = clearTime(new Date());
		var html = '';
		var classNames = [
			'fc-day',
			'fc-' + dayIDs[date.getDay()],
			contentClass
		];

if (date.getMonth() != month) {
			classNames.push('fc-other-month');
		}
		if (+date == +today) {
			classNames.push(
				'fc-today',
				tm + '-state-highlight'
			);
		}
		else if (date < today) {
			classNames.push('fc-past');
		}
		else {
			classNames.push('fc-future');
		}

html +=
			"<td" +
			" class='" + classNames.join(' ') + "'" +
			" data-date='" + formatDate(date, 'yyyy-MM-dd') + "'" +
			">" +
			"<div>";

if (showNumbers) {
			html += "<div class='fc-day-number'>" + date.getDate() + "</div>";
		}

html +=
			"<div class='fc-day-content'>" +
			"<div style='position:relative'>&nbsp;</div>" +
			"</div>" +
			"</div>" +
			"</td>";

return html;
	}

/* Dimensions
	-----------------------------------------------------------*/
	
	
	function setHeight(height) {
		viewHeight = height;
		
		var bodyHeight = viewHeight - head.height();
		var rowHeight;
		var rowHeightLast;
		var cell;
			
		if (opt('weekMode') == 'variable') {
			rowHeight = rowHeightLast = Math.floor(bodyHeight / (rowCnt==1 ? 2 : 6));
		}else{
			rowHeight = Math.floor(bodyHeight / rowCnt);
			rowHeightLast = bodyHeight - rowHeight * (rowCnt-1);
		}
		
		bodyFirstCells.each(function(i, _cell) {
			if (i < rowCnt) {
				cell = $(_cell);
				cell.find('> div').css(
					'min-height',
					(i==rowCnt-1 ? rowHeightLast : rowHeight) - vsides(cell)
				);
			}
		});
		
	}
	
	
	function setWidth(width) {
		viewWidth = width;
		colPositions.clear();
		colContentPositions.clear();

weekNumberWidth = 0;
		if (showWeekNumbers) {
			weekNumberWidth = head.find('th.fc-week-number').outerWidth();
		}

colWidth = Math.floor((viewWidth - weekNumberWidth) / colCnt);
		setOuterWidth(headCells.slice(0, -1), colWidth);
	}
	
	
	
	/* Day clicking and binding
	-----------------------------------------------------------*/
	
	
	function dayBind(days) {
		days.click(dayClick)
			.mousedown(daySelectionMousedown);
	}
	
	
	function dayClick(ev) {
		if (!opt('selectable')) { // if selectable, SelectionManager will worry about dayClick
			var date = parseISO8601($(this).data('date'));
			trigger('dayClick', this, date, true, ev);
		}
	}
	
	
	
	/* Semi-transparent Overlay Helpers
	------------------------------------------------------*/
	// TODO: should be consolidated with AgendaView's methods

function renderDayOverlay(overlayStart, overlayEnd, refreshCoordinateGrid) { // overlayEnd is exclusive

if (refreshCoordinateGrid) {
			coordinateGrid.build();
		}

var segments = rangeToSegments(overlayStart, overlayEnd);

for (var i=0; i<segments.length; i++) {
			var segment = segments[i];
			dayBind(
				renderCellOverlay(
					segment.row,
					segment.leftCol,
					segment.row,
					segment.rightCol
				)
			);
		}
	}

colContentPositions = new HorizontalPositionCache(function(col) {
		return firstRowCellContentInners.eq(col);
	});

function colLeft(col) {
		return colPositions.left(col);
	}

;;

function BasicEventRenderer() {
	var t = this;
	
	
	// exports
	t.renderEvents = renderEvents;
	t.clearEvents = clearEvents;

// imports
	DayEventRenderer.call(t);

function renderEvents(events, modifiedEventId) {
		t.renderDayEvents(events, modifiedEventId);
	}
	
	
	function clearEvents() {
		t.getDaySegmentContainer().empty();
	}

// TODO: have this class (and AgendaEventRenderer) be responsible for creating the event container div

}

;;

fcViews.agendaWeek = AgendaWeekView;

function AgendaWeekView(element, calendar) {
	var t = this;
	
	
	// exports
	t.render = render;
	
	
	// imports
	AgendaView.call(t, element, calendar, 'agendaWeek');
	var opt = t.opt;
	var renderAgenda = t.renderAgenda;
	var skipHiddenDays = t.skipHiddenDays;
	var getCellsPerWeek = t.getCellsPerWeek;
	var formatDates = calendar.formatDates;

function render(date, delta) {

if (delta) {
			addDays(date, delta * 7);
		}

var start = addDays(cloneDate(date), -((date.getDay() - opt('firstDay') + 7) % 7));
		var end = addDays(cloneDate(start), 7);

var visStart = cloneDate(start);
		skipHiddenDays(visStart);

var visEnd = cloneDate(end);
		skipHiddenDays(visEnd, -1, true);

var colCnt = getCellsPerWeek();

t.title = formatDates(
			visStart,
			addDays(cloneDate(visEnd), -1),
			opt('titleFormat')
		);

t.start = start;
		t.end = end;
		t.visStart = visStart;
		t.visEnd = visEnd;

renderAgenda(colCnt);
	}

}

;;

fcViews.agendaDay = AgendaDayView;

function AgendaDayView(element, calendar) {
	var t = this;
	
	
	// exports
	t.render = render;
	
	
	// imports
	AgendaView.call(t, element, calendar, 'agendaDay');
	var opt = t.opt;
	var renderAgenda = t.renderAgenda;
	var skipHiddenDays = t.skipHiddenDays;
	var formatDate = calendar.formatDate;
	
	
	function render(date, delta) {

if (delta) {
			addDays(date, delta);
		}
		skipHiddenDays(date, delta < 0 ? -1 : 1);

var start = cloneDate(date, true);
		var end = addDays(cloneDate(start), 1);

t.title = formatDate(date, opt('titleFormat'));

t.start = t.visStart = start;
		t.end = t.visEnd = end;

renderAgenda(1);
	}

}

;;

setDefaults({
	allDaySlot: true,
	allDayText: 'all-day',
	firstHour: 6,
	slotMinutes: 30,
	defaultEventMinutes: 120,
	axisFormat: 'h(:mm)tt',
	timeFormat: {
		agenda: 'h:mm{ - h:mm}'
	},
	dragOpacity: {
		agenda: .5
	},
	minTime: 0,
	maxTime: 24,
	slotEventOverlap: true
});

// TODO: make it work in quirks mode (event corners, all-day height)
// TODO: test liquid width, especially in IE6

var snapMinutes;
	var snapRatio; // ratio of number of "selection" slots to normal slots. (ex: 1, 2, 4)
	var snapHeight; // holds the pixel hight of a "selection" slot
	
	var colCnt;
	var slotCnt;
	var coordinateGrid;
	var hoverListener;
	var colPositions;
	var colContentPositions;
	var slotTopCache = {};
	
	var tm;
	var rtl;
	var minMinute, maxMinute;
	var colFormat;
	var showWeekNumbers;
	var weekNumberTitle;
	var weekNumberFormat;

/* Rendering
	-----------------------------------------------------------------------------*/
	
	
	disableTextSelection(element.addClass('fc-agenda'));
	
	
	function renderAgenda(c) {
		colCnt = c;
		updateOptions();

if (!dayTable) { // first time rendering?
			buildSkeleton(); // builds day table, slot area, events containers
		}
		else {
			buildDayTable(); // rebuilds day table
		}
	}
	
	
	function updateOptions() {

tm = opt('theme') ? 'ui' : 'fc';
		rtl = opt('isRTL')
		minMinute = parseTime(opt('minTime'));
		maxMinute = parseTime(opt('maxTime'));
		colFormat = opt('columnFormat');

snapMinutes = opt('snapMinutes') || opt('slotMinutes');
	}

/* Build DOM
	-----------------------------------------------------------------------*/

/* Build Day Table
	-----------------------------------------------------------------------*/

function buildDayTable() {
		var html = buildDayTableHTML();

if (dayTable) {
			dayTable.remove();
		}
		dayTable = $(html).appendTo(element);

dayHead = dayTable.find('thead');
		dayHeadCells = dayHead.find('th').slice(1, -1); // exclude gutter
		dayBody = dayTable.find('tbody');
		dayBodyCells = dayBody.find('td').slice(0, -1); // exclude gutter
		dayBodyCellInners = dayBodyCells.find('> div');
		dayBodyCellContentInners = dayBodyCells.find('.fc-day-content > div');

dayBodyFirstCell = dayBodyCells.eq(0);
		dayBodyFirstCellStretcher = dayBodyCellInners.eq(0);
		
		markFirstLast(dayHead.add(dayHead.find('tr')));
		markFirstLast(dayBody.add(dayBody.find('tr')));

// TODO: now that we rebuild the cells every time, we should call dayRender
	}

function buildDayTableHTML() {
		var html =
			"<table style='width:100%' class='fc-agenda-days fc-border-separate' cellspacing='0'>" +
			buildDayTableHeadHTML() +
			buildDayTableBodyHTML() +
			"</table>";

return html;
	}

function buildDayTableHeadHTML() {
		var headerClass = tm + "-widget-header";
		var date;
		var html = '';
		var weekText;
		var col;

html +=
			"<thead>" +
			"<tr>";

if (showWeekNumbers) {
			date = cellToDate(0, 0);
			weekText = formatDate(date, weekNumberFormat);
			if (rtl) {
				weekText += weekNumberTitle;
			}
			else {
				weekText = weekNumberTitle + weekText;
			}
			html +=
				"<th class='fc-agenda-axis fc-week-number " + headerClass + "'>" +
				htmlEscape(weekText) +
				"</th>";
		}
		else {
			html += "<th class='fc-agenda-axis " + headerClass + "'>&nbsp;</th>";
		}

for (col=0; col<colCnt; col++) {
			date = cellToDate(0, col);
			html +=
				"<th class='fc-" + dayIDs[date.getDay()] + " fc-col" + col + ' ' + headerClass + "'>" +
				htmlEscape(formatDate(date, colFormat)) +
				"</th>";
		}

html +=
			"<th class='fc-agenda-gutter " + headerClass + "'>&nbsp;</th>" +
			"</tr>" +
			"</thead>";

return html;
	}

function buildDayTableBodyHTML() {
		var headerClass = tm + "-widget-header"; // TODO: make these when updateOptions() called
		var contentClass = tm + "-widget-content";
		var date;
		var today = clearTime(new Date());
		var col;
		var cellsHTML;
		var cellHTML;
		var classNames;
		var html = '';

html +=
			"<tbody>" +
			"<tr>" +
			"<th class='fc-agenda-axis " + headerClass + "'>&nbsp;</th>";

cellsHTML = '';

for (col=0; col<colCnt; col++) {

date = cellToDate(0, col);

classNames = [
				'fc-col' + col,
				'fc-' + dayIDs[date.getDay()],
				contentClass
			];
			if (+date == +today) {
				classNames.push(
					tm + '-state-highlight',
					'fc-today'
				);
			}
			else if (date < today) {
				classNames.push('fc-past');
			}
			else {
				classNames.push('fc-future');
			}

cellHTML =
				"<td class='" + classNames.join(' ') + "'>" +
				"<div>" +
				"<div class='fc-day-content'>" +
				"<div style='position:relative'>&nbsp;</div>" +
				"</div>" +
				"</div>" +
				"</td>";

cellsHTML += cellHTML;
		}

html += cellsHTML;
		html +=
			"<td class='fc-agenda-gutter " + contentClass + "'>&nbsp;</td>" +
			"</tr>" +
			"</tbody>";

return html;
	}

// TODO: data-date on the cells

/* Dimensions
	-----------------------------------------------------------------------*/

function setHeight(height) {
		if (height === undefined) {
			height = viewHeight;
		}
		viewHeight = height;
		slotTopCache = {};
	
		var headHeight = dayBody.position().top;
		var allDayHeight = slotScroller.position().top; // including divider
		var bodyHeight = Math.min( // total body height, including borders
			height - headHeight,   // when scrollbars
			slotTable.height() + allDayHeight + 1 // when no scrollbars. +1 for bottom border
		);

dayBodyFirstCellStretcher
			.height(bodyHeight - vsides(dayBodyFirstCell));
		
		slotLayer.css('top', headHeight);
		
		slotScroller.height(bodyHeight - allDayHeight - 1);
		
		// the stylesheet guarantees that the first row has no border.
		// this allows .height() to work well cross-browser.
		slotHeight = slotTable.find('tr:first').height() + 1; // +1 for bottom border

snapRatio = opt('slotMinutes') / snapMinutes;
		snapHeight = slotHeight / snapRatio;
	}
	
	
	function setWidth(width) {
		viewWidth = width;
		colPositions.clear();
		colContentPositions.clear();

var slotTableWidth = slotScroller[0].clientWidth; // needs to be done after axisWidth (for IE7)
		
		gutterWidth = slotScroller.width() - slotTableWidth;
		if (gutterWidth) {
			setOuterWidth(gutterCells, gutterWidth);
			gutterCells
				.show()
				.prev()
				.removeClass('fc-last');
		}else{
			gutterCells
				.hide()
				.prev()
				.addClass('fc-last');
		}
		
		colWidth = Math.floor((slotTableWidth - axisWidth) / colCnt);
		setOuterWidth(dayHeadCells.slice(0, -1), colWidth);
	}

/* Scrolling
	-----------------------------------------------------------------------*/

function resetScroll() {
		var d0 = zeroDate();
		var scrollDate = cloneDate(d0);
		scrollDate.setHours(opt('firstHour'));
		var top = timePosition(d0, scrollDate) + 1; // +1 for the border
		function scroll() {
			slotScroller.scrollTop(top);
		}
		scroll();
		setTimeout(scroll, 0); // overrides any previous scroll state made by the browser
	}

function afterRender() { // after the view has been freshly rendered and sized
		resetScroll();
	}
	
	
	
	/* Slot/Day clicking and binding
	-----------------------------------------------------------------------*/

function dayBind(cells) {
		cells.click(slotClick)
			.mousedown(daySelectionMousedown);
	}

function renderDayOverlay(overlayStart, overlayEnd, refreshCoordinateGrid) { // overlayEnd is exclusive

if (refreshCoordinateGrid) {
			coordinateGrid.build();
		}

var segments = rangeToSegments(overlayStart, overlayEnd);

for (var i=0; i<segments.length; i++) {
			var segment = segments[i];
			dayBind(
				renderCellOverlay(
					segment.row,
					segment.leftCol,
					segment.row,
					segment.rightCol
				)
			);
		}
	}
	
	
	function renderCellOverlay(row0, col0, row1, col1) { // only for all-day?
		var rect = coordinateGrid.rect(row0, col0, row1, col1, slotLayer);
		return renderOverlay(rect, slotLayer);
	}

function colContentLeft(col) {
		return colContentPositions.left(col);
	}

function colRight(col) {
		return colPositions.right(col);
	}
	
	
	function colContentRight(col) {
		return colContentPositions.right(col);
	}

function getIsCellAllDay(cell) {
		return opt('allDaySlot') && !cell.row;
	}

}

;;

function AgendaEventRenderer() {
	var t = this;
	
	
	// exports
	t.renderEvents = renderEvents;
	t.clearEvents = clearEvents;
	t.slotSegHtml = slotSegHtml;
	
	
	// imports
	DayEventRenderer.call(t);
	var opt = t.opt;
	var trigger = t.trigger;
	var isEventDraggable = t.isEventDraggable;
	var isEventResizable = t.isEventResizable;
	var eventEnd = t.eventEnd;
	var eventElementHandlers = t.eventElementHandlers;
	var setHeight = t.setHeight;
	var getDaySegmentContainer = t.getDaySegmentContainer;
	var getSlotSegmentContainer = t.getSlotSegmentContainer;
	var getHoverListener = t.getHoverListener;
	var getMaxMinute = t.getMaxMinute;
	var getMinMinute = t.getMinMinute;
	var timePosition = t.timePosition;
	var getIsCellAllDay = t.getIsCellAllDay;
	var colContentLeft = t.colContentLeft;
	var colContentRight = t.colContentRight;
	var cellToDate = t.cellToDate;
	var getColCnt = t.getColCnt;
	var getColWidth = t.getColWidth;
	var getSnapHeight = t.getSnapHeight;
	var getSnapMinutes = t.getSnapMinutes;
	var getSlotContainer = t.getSlotContainer;
	var reportEventElement = t.reportEventElement;
	var showEvents = t.showEvents;
	var hideEvents = t.hideEvents;
	var eventDrop = t.eventDrop;
	var eventResize = t.eventResize;
	var renderDayOverlay = t.renderDayOverlay;
	var clearOverlays = t.clearOverlays;
	var renderDayEvents = t.renderDayEvents;
	var calendar = t.calendar;
	var formatDate = calendar.formatDate;
	var formatDates = calendar.formatDates;

// overrides
	t.draggableDayEvent = draggableDayEvent;

/* Rendering
	----------------------------------------------------------------------------*/

if (opt('allDaySlot')) {
			renderDayEvents(dayEvents, modifiedEventId);
			setHeight(); // no params means set to viewHeight
		}

renderSlotSegs(compileSlotSegs(slotEvents), modifiedEventId);
	}
	
	
	function clearEvents() {
		getDaySegmentContainer().empty();
		getSlotSegmentContainer().empty();
	}

function compileSlotSegs(events) {
		var colCnt = getColCnt(),
			minMinute = getMinMinute(),
			maxMinute = getMaxMinute(),
			d,
			visEventEnds = $.map(events, slotEventEnd),
			i,
			j, seg,
			colSegs,
			segs = [];

for (i=0; i<colCnt; i++) {

d = cellToDate(0, i);
			addMinutes(d, minMinute);

colSegs = sliceSegs(
				events,
				visEventEnds,
				d,
				addMinutes(cloneDate(d), maxMinute-minMinute)
			);

colSegs = placeSlotSegs(colSegs); // returns a new order

for (j=0; j<colSegs.length; j++) {
				seg = colSegs[j];
				seg.col = i;
				segs.push(seg);
			}
		}

return segs;
	}

// shave off space on right near scrollbars (2.5%)
			// TODO: move this to CSS somehow
			columnRight -= columnWidth * .025;
			columnWidth = columnRight - columnLeft;

width = columnWidth * (seg.forwardCoord - seg.backwardCoord);

if (opt('slotEventOverlap')) {
				// double the width while making sure resize handle is visible
				// (assumed to be 20px wide)
				width = Math.max(
					(width - (20/2)) * 2,
					width // narrow columns will want to make the segment smaller than
						// the natural width. don't allow it
				);
			}

if (isRTL) {
				right = columnRight - seg.backwardCoord * columnWidth;
				left = right - width;
			}
			else {
				left = columnLeft + seg.backwardCoord * columnWidth;
				right = left + width;
			}

// make sure horizontal coordinates are in bounds
			left = Math.max(left, columnLeft);
			right = Math.min(right, columnRight);
			width = right - left;

seg.top = top;
			seg.left = left;
			seg.outerWidth = width;
			seg.outerHeight = bottom - top;
			html += slotSegHtml(event, seg);
		}

slotSegmentContainer[0].innerHTML = html; // faster than html()
		eventElements = slotSegmentContainer.children();
		
		// retrieve elements, run through eventRender callback, bind event handlers
		for (i=0; i<segCnt; i++) {
			seg = segs[i];
			event = seg.event;
			eventElement = $(eventElements[i]); // faster than eq()
			triggerRes = trigger('eventRender', event, event, eventElement);
			if (triggerRes === false) {
				eventElement.remove();
			}else{
				if (triggerRes && triggerRes !== true) {
					eventElement.remove();
					eventElement = $(triggerRes)
						.css({
							position: 'absolute',
							top: seg.top,
							left: seg.left
						})
						.appendTo(slotSegmentContainer);
				}
				seg.element = eventElement;
				if (event._id === modifiedEventId) {
					bindSlotSeg(event, eventElement, seg);
				}else{
					eventElement[0]._fci = i; // for lazySegBind
				}
				reportEventElement(event, eventElement);
			}
		}
		
		lazySegBind(slotSegmentContainer, segs, bindSlotSeg);
		
		// record event sides and title positions
		for (i=0; i<segCnt; i++) {
			seg = segs[i];
			if (eventElement = seg.element) {
				seg.vsides = vsides(eventElement, true);
				seg.hsides = hsides(eventElement, true);
				titleElement = eventElement.find('.fc-event-title');
				if (titleElement.length) {
					seg.contentTop = titleElement[0].offsetTop;
				}
			}
		}
		
		// set all positions/dimensions at once
		for (i=0; i<segCnt; i++) {
			seg = segs[i];
			if (eventElement = seg.element) {
				eventElement[0].style.width = Math.max(0, seg.outerWidth - seg.hsides) + 'px';
				height = Math.max(0, seg.outerHeight - seg.vsides);
				eventElement[0].style.height = height + 'px';
				event = seg.event;
				if (seg.contentTop !== undefined && height - seg.contentTop < 10) {
					// not enough room for title, put it in the time (TODO: maybe make both display:inline instead)
					eventElement.find('div.fc-event-time')
						.text(formatDate(event.start, opt('timeFormat')) + ' - ' + event.title);
					eventElement.find('div.fc-event-title')
						.remove();
				}
				trigger('eventAfterRender', event, event, eventElement);
			}
		}
					
	}
	
	
	function slotSegHtml(event, seg) {
		var html = "<";
		var url = event.url;
		var skinCss = getSkinCss(event, opt);
		var classes = ['fc-event', 'fc-event-vert'];
		if (isEventDraggable(event)) {
			classes.push('fc-event-draggable');
		}
		if (seg.isStart) {
			classes.push('fc-event-start');
		}
		if (seg.isEnd) {
			classes.push('fc-event-end');
		}
		classes = classes.concat(event.className);
		if (event.source) {
			classes = classes.concat(event.source.className || []);
		}
		if (url) {
			html += "a href='" + htmlEscape(event.url) + "'";
		}else{
			html += "div";
		}
		html +=
			" class='" + classes.join(' ') + "'" +
			" style=" +
				"'" +
				"position:absolute;" +
				"top:" + seg.top + "px;" +
				"left:" + seg.left + "px;" +
				skinCss +
				"'" +
			">" +
			"<div class='fc-event-inner'>" +
			"<div class='fc-event-time'>" +
			htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) +
			"</div>" +
			"<div class='fc-event-title'>" +
			htmlEscape(event.title || '') +
			"</div>" +
			"</div>" +
			"<div class='fc-event-bg'></div>";
		if (seg.isEnd && isEventResizable(event)) {
			html +=
				"<div class='ui-resizable-handle ui-resizable-s'>=</div>";
		}
		html +=
			"</" + (url ? "a" : "div") + ">";
		return html;
	}
	
	
	function bindSlotSeg(event, eventElement, seg) {
		var timeElement = eventElement.find('div.fc-event-time');
		if (isEventDraggable(event)) {
			draggableSlotEvent(event, eventElement, timeElement);
		}
		if (seg.isEnd && isEventResizable(event)) {
			resizableSlotEvent(event, eventElement, timeElement);
		}
		eventElementHandlers(event, eventElement);
	}
	
	
	
	/* Dragging
	-----------------------------------------------------------------------------------*/
	
	
	// when event starts out FULL-DAY
	// overrides DayEventRenderer's version because it needs to account for dragging elements
	// to and from the slot area.
	
	function draggableDayEvent(event, eventElement, seg) {
		var isStart = seg.isStart;
		var origWidth;
		var revert;
		var allDay = true;
		var dayDelta;
		var hoverListener = getHoverListener();
		var colWidth = getColWidth();
		var snapHeight = getSnapHeight();
		var snapMinutes = getSnapMinutes();
		var minMinute = getMinMinute();
		eventElement.draggable({
			opacity: opt('dragOpacity', 'month'), // use whatever the month view was using
			revertDuration: opt('dragRevertDuration'),
			start: function(ev, ui) {
				trigger('eventDragStart', eventElement, event, ev, ui);
				hideEvents(event, eventElement);
				origWidth = eventElement.width();
				hoverListener.start(function(cell, origCell) {
					clearOverlays();
					if (cell) {
						revert = false;
						var origDate = cellToDate(0, origCell.col);
						var date = cellToDate(0, cell.col);
						dayDelta = dayDiff(date, origDate);
						if (!cell.row) {
							// on full-days
							renderDayOverlay(
								addDays(cloneDate(event.start), dayDelta),
								addDays(exclEndDay(event), dayDelta)
							);
							resetElement();
						}else{
							// mouse is over bottom slots
							if (isStart) {
								if (allDay) {
									// convert event to temporary slot-event
									eventElement.width(colWidth - 10); // don't use entire width
									setOuterHeight(
										eventElement,
										snapHeight * Math.round(
											(event.end ? ((event.end - event.start) / MINUTE_MS) : opt('defaultEventMinutes')) /
												snapMinutes
										)
									);
									eventElement.draggable('option', 'grid', [colWidth, 1]);
									allDay = false;
								}
							}else{
								revert = true;
							}
						}
						revert = revert || (allDay && !dayDelta);
					}else{
						resetElement();
						revert = true;
					}
					eventElement.draggable('option', 'revert', revert);
				}, ev, 'drag');
			},
			stop: function(ev, ui) {
				hoverListener.stop();
				clearOverlays();
				trigger('eventDragStop', eventElement, event, ev, ui);
				if (revert) {
					// hasn't moved or is out of bounds (draggable has already reverted)
					resetElement();
					eventElement.css('filter', ''); // clear IE opacity side-effects
					showEvents(event, eventElement);
				}else{
					// changed!
					var minuteDelta = 0;
					if (!allDay) {
						minuteDelta = Math.round((eventElement.offset().top - getSlotContainer().offset().top) / snapHeight)
							* snapMinutes
							+ minMinute
							- (event.start.getHours() * 60 + event.start.getMinutes());
					}
					eventDrop(this, event, dayDelta, minuteDelta, allDay, ev, ui);
				}
			}
		});
		function resetElement() {
			if (!allDay) {
				eventElement
					.width(origWidth)
					.height('')
					.draggable('option', 'grid', null);
				allDay = true;
			}
		}
	}
	
	
	// when event starts out IN TIMESLOTS
	
	function draggableSlotEvent(event, eventElement, timeElement) {
		var coordinateGrid = t.getCoordinateGrid();
		var colCnt = getColCnt();
		var colWidth = getColWidth();
		var snapHeight = getSnapHeight();
		var snapMinutes = getSnapMinutes();

// states
		var origPosition; // original position of the element, not the mouse
		var origCell;
		var isInBounds, prevIsInBounds;
		var isAllDay, prevIsAllDay;
		var colDelta, prevColDelta;
		var dayDelta; // derived from colDelta
		var minuteDelta, prevMinuteDelta;

eventElement.draggable({
			scroll: false,
			grid: [ colWidth, snapHeight ],
			axis: colCnt==1 ? 'y' : false,
			opacity: opt('dragOpacity'),
			revertDuration: opt('dragRevertDuration'),
			start: function(ev, ui) {

trigger('eventDragStart', eventElement, event, ev, ui);
				hideEvents(event, eventElement);

coordinateGrid.build();

// initialize states
				origPosition = eventElement.position();
				origCell = coordinateGrid.cell(ev.pageX, ev.pageY);
				isInBounds = prevIsInBounds = true;
				isAllDay = prevIsAllDay = getIsCellAllDay(origCell);
				colDelta = prevColDelta = 0;
				dayDelta = 0;
				minuteDelta = prevMinuteDelta = 0;

},
			drag: function(ev, ui) {

// NOTE: this `cell` value is only useful for determining in-bounds and all-day.
				// Bad for anything else due to the discrepancy between the mouse position and the
				// element position while snapping. (problem revealed in PR #55)
				//
				// PS- the problem exists for draggableDayEvent() when dragging an all-day event to a slot event.
				// We should overhaul the dragging system and stop relying on jQuery UI.
				var cell = coordinateGrid.cell(ev.pageX, ev.pageY);

// update states
				isInBounds = !!cell;
				if (isInBounds) {
					isAllDay = getIsCellAllDay(cell);

// calculate column delta
					colDelta = Math.round((ui.position.left - origPosition.left) / colWidth);
					if (colDelta != prevColDelta) {
						// calculate the day delta based off of the original clicked column and the column delta
						var origDate = cellToDate(0, origCell.col);
						var col = origCell.col + colDelta;
						col = Math.max(0, col);
						col = Math.min(colCnt-1, col);
						var date = cellToDate(0, col);
						dayDelta = dayDiff(date, origDate);
					}

// calculate minute delta (only if over slots)
					if (!isAllDay) {
						minuteDelta = Math.round((ui.position.top - origPosition.top) / snapHeight) * snapMinutes;
					}
				}

// any state changes?
				if (
					isInBounds != prevIsInBounds ||
					isAllDay != prevIsAllDay ||
					colDelta != prevColDelta ||
					minuteDelta != prevMinuteDelta
				) {

updateUI();

// update previous states for next time
					prevIsInBounds = isInBounds;
					prevIsAllDay = isAllDay;
					prevColDelta = colDelta;
					prevMinuteDelta = minuteDelta;
				}

// if out-of-bounds, revert when done, and vice versa.
				eventElement.draggable('option', 'revert', !isInBounds);

},
			stop: function(ev, ui) {

clearOverlays();
				trigger('eventDragStop', eventElement, event, ev, ui);

if (isInBounds && (isAllDay || dayDelta || minuteDelta)) { // changed!
					eventDrop(this, event, dayDelta, isAllDay ? 0 : minuteDelta, isAllDay, ev, ui);
				}
				else { // either no change or out-of-bounds (draggable has already reverted)

// reset states for next time, and for updateUI()
					isInBounds = true;
					isAllDay = false;
					colDelta = 0;
					dayDelta = 0;
					minuteDelta = 0;

updateUI();
					eventElement.css('filter', ''); // clear IE opacity side-effects

// sometimes fast drags make event revert to wrong position, so reset.
					// also, if we dragged the element out of the area because of snapping,
					// but the *mouse* is still in bounds, we need to reset the position.
					eventElement.css(origPosition);

showEvents(event, eventElement);
				}
			}
		});

function updateTimeText(minuteDelta) {
			var newStart = addMinutes(cloneDate(event.start), minuteDelta);
			var newEnd;
			if (event.end) {
				newEnd = addMinutes(cloneDate(event.end), minuteDelta);
			}
			timeElement.text(formatDates(newStart, newEnd, opt('timeFormat')));
		}

}
	
	
	
	/* Resizing
	--------------------------------------------------------------------------------------*/
	
	
	function resizableSlotEvent(event, eventElement, timeElement) {
		var snapDelta, prevSnapDelta;
		var snapHeight = getSnapHeight();
		var snapMinutes = getSnapMinutes();
		eventElement.resizable({
			handles: {
				s: '.ui-resizable-handle'
			},
			grid: snapHeight,
			start: function(ev, ui) {
				snapDelta = prevSnapDelta = 0;
				hideEvents(event, eventElement);
				trigger('eventResizeStart', this, event, ev, ui);
			},
			resize: function(ev, ui) {
				// don't rely on ui.size.height, doesn't take grid into account
				snapDelta = Math.round((Math.max(snapHeight, eventElement.height()) - ui.originalSize.height) / snapHeight);
				if (snapDelta != prevSnapDelta) {
					timeElement.text(
						formatDates(
							event.start,
							(!snapDelta && !event.end) ? null : // no change, so don't display time range
								addMinutes(eventEnd(event), snapMinutes*snapDelta),
							opt('timeFormat')
						)
					);
					prevSnapDelta = snapDelta;
				}
			},
			stop: function(ev, ui) {
				trigger('eventResizeStop', this, event, ev, ui);
				if (snapDelta) {
					eventResize(this, event, 0, snapMinutes*snapDelta, ev, ui);
				}else{
					showEvents(event, eventElement);
					// BUG: if event was really short, need to put title back in span
				}
			}
		});
	}

}

/* Agenda Event Segment Utilities
-----------------------------------------------------------------------------*/

// Sets the seg.backwardCoord and seg.forwardCoord on each segment and returns a new
// list in the order they should be placed into the DOM (an implicit z-index).
function placeSlotSegs(segs) {
	var levels = buildSlotSegLevels(segs);
	var level0 = levels[0];
	var i;

computeForwardSlotSegs(levels);

if (level0) {

for (i=0; i<level0.length; i++) {
			computeSlotSegPressures(level0[i]);
		}

for (i=0; i<level0.length; i++) {
			computeSlotSegCoords(level0[i], 0, 0);
		}
	}

return flattenSlotSegLevels(levels);
}

// Builds an array of segments "levels". The first level will be the leftmost tier of segments
// if the calendar is left-to-right, or the rightmost if the calendar is right-to-left.
function buildSlotSegLevels(segs) {
	var levels = [];
	var i, seg;
	var j;

for (i=0; i<segs.length; i++) {
		seg = segs[i];

// go through all the levels and stop on the first level where there are no collisions
		for (j=0; j<levels.length; j++) {
			if (!computeSlotSegCollisions(seg, levels[j]).length) {
				break;
			}
		}

(levels[j] || (levels[j] = [])).push(seg);
	}

return levels;
}

// For every segment, figure out the other segments that are in subsequent
// levels that also occupy the same vertical space. Accumulate in seg.forwardSegs
function computeForwardSlotSegs(levels) {
	var i, level;
	var j, seg;
	var k;

for (i=0; i<levels.length; i++) {
		level = levels[i];

for (j=0; j<level.length; j++) {
			seg = level[j];

seg.forwardSegs = [];
			for (k=i+1; k<levels.length; k++) {
				computeSlotSegCollisions(seg, levels[k], seg.forwardSegs);
			}
		}
	}
}

// Figure out which path forward (via seg.forwardSegs) results in the longest path until
// the furthest edge is reached. The number of segments in this path will be seg.forwardPressure
function computeSlotSegPressures(seg) {
	var forwardSegs = seg.forwardSegs;
	var forwardPressure = 0;
	var i, forwardSeg;

if (seg.forwardPressure === undefined) { // not already computed

for (i=0; i<forwardSegs.length; i++) {
			forwardSeg = forwardSegs[i];

// figure out the child's maximum forward path
			computeSlotSegPressures(forwardSeg);

// either use the existing maximum, or use the child's forward pressure
			// plus one (for the forwardSeg itself)
			forwardPressure = Math.max(
				forwardPressure,
				1 + forwardSeg.forwardPressure
			);
		}

seg.forwardPressure = forwardPressure;
	}
}

// Calculate seg.forwardCoord and seg.backwardCoord for the segment, where both values range
// from 0 to 1. If the calendar is left-to-right, the seg.backwardCoord maps to "left" and
// seg.forwardCoord maps to "right" (via percentage). Vice-versa if the calendar is right-to-left.
//
// The segment might be part of a "series", which means consecutive segments with the same pressure
// who's width is unknown until an edge has been hit. `seriesBackwardPressure` is the number of
// segments behind this one in the current series, and `seriesBackwardCoord` is the starting
// coordinate of the first segment in the series.
function computeSlotSegCoords(seg, seriesBackwardPressure, seriesBackwardCoord) {
	var forwardSegs = seg.forwardSegs;
	var i;

if (seg.forwardCoord === undefined) { // not already computed

if (!forwardSegs.length) {

// if there are no forward segments, this segment should butt up against the edge
			seg.forwardCoord = 1;
		}
		else {

// sort highest pressure first
			forwardSegs.sort(compareForwardSlotSegs);

// this segment's forwardCoord will be calculated from the backwardCoord of the
			// highest-pressure forward segment.
			computeSlotSegCoords(forwardSegs[0], seriesBackwardPressure + 1, seriesBackwardCoord);
			seg.forwardCoord = forwardSegs[0].backwardCoord;
		}

// calculate the backwardCoord from the forwardCoord. consider the series
		seg.backwardCoord = seg.forwardCoord -
			(seg.forwardCoord - seriesBackwardCoord) / // available width for series
			(seriesBackwardPressure + 1); // # of segments in the series

// use this segment's coordinates to computed the coordinates of the less-pressurized
		// forward segments
		for (i=0; i<forwardSegs.length; i++) {
			computeSlotSegCoords(forwardSegs[i], 0, seg.forwardCoord);
		}
	}
}

// Outputs a flat array of segments, from lowest to highest level
function flattenSlotSegLevels(levels) {
	var segs = [];
	var i, level;
	var j;

for (i=0; i<levels.length; i++) {
		level = levels[i];

for (j=0; j<level.length; j++) {
			segs.push(level[j]);
		}
	}

return segs;
}

// Find all the segments in `otherSegs` that vertically collide with `seg`.
// Append into an optionally-supplied `results` array and return.
function computeSlotSegCollisions(seg, otherSegs, results) {
	results = results || [];

for (var i=0; i<otherSegs.length; i++) {
		if (isSlotSegCollision(seg, otherSegs[i])) {
			results.push(otherSegs[i]);
		}
	}

return results;
}

// Do these segments occupy the same vertical space?
function isSlotSegCollision(seg1, seg2) {
	return seg1.end > seg2.start && seg1.start < seg2.end;
}

// A cmp function for determining which forward segment to rely on more when computing coordinates.
function compareForwardSlotSegs(seg1, seg2) {
	// put higher-pressure first
	return seg2.forwardPressure - seg1.forwardPressure ||
		// put segments that are closer to initial edge first (and favor ones with no coords yet)
		(seg1.backwardCoord || 0) - (seg2.backwardCoord || 0) ||
		// do normal sorting...
		compareSlotSegs(seg1, seg2);
}

// A cmp function for determining which segment should be closer to the initial edge
// (the left edge on a left-to-right calendar).
function compareSlotSegs(seg1, seg2) {
	return seg1.start - seg2.start || // earlier start time goes first
		(seg2.end - seg2.start) - (seg1.end - seg1.start) || // tie? longer-duration goes first
		(seg1.event.title || '').localeCompare(seg2.event.title); // tie? alphabetically by title
}

;;

function trigger(name, thisObj) {
		return calendar.trigger.apply(
			calendar,
			[name, thisObj || t].concat(Array.prototype.slice.call(arguments, 2), [t])
		);
	}

/* Event Editable Boolean Calculations
	------------------------------------------------------------------------------*/

// ====================================================================================================
	// Utilities for day "cells"
	// ====================================================================================================
	// The "basic" views are completely made up of day cells.
	// The "agenda" views have day cells at the top "all day" slot.
	// This was the obvious common place to put these utilities, but they should be abstracted out into
	// a more meaningful class (like DayEventRenderer).
	// ====================================================================================================

// For determining how a given "cell" translates into a "date":
	//
	// 1. Convert the "cell" (row and column) into a "cell offset" (the # of the cell, cronologically from the first).
	//    Keep in mind that column indices are inverted with isRTL. This is taken into account.
	//
	// 2. Convert the "cell offset" to a "day offset" (the # of days since the first visible day in the view).
	//
	// 3. Convert the "day offset" into a "date" (a JavaScript Date object).
	//
	// The reverse transformation happens when transforming a date into a cell.

// exports
	t.isHiddenDay = isHiddenDay;
	t.skipHiddenDays = skipHiddenDays;
	t.getCellsPerWeek = getCellsPerWeek;
	t.dateToCell = dateToCell;
	t.dateToDayOffset = dateToDayOffset;
	t.dayOffsetToCellOffset = dayOffsetToCellOffset;
	t.cellOffsetToCell = cellOffsetToCell;
	t.cellToDate = cellToDate;
	t.cellToCellOffset = cellToCellOffset;
	t.cellOffsetToDayOffset = cellOffsetToDayOffset;
	t.dayOffsetToDate = dayOffsetToDate;
	t.rangeToSegments = rangeToSegments;

// internals
	var hiddenDays = opt('hiddenDays') || []; // array of day-of-week indices that are hidden
	var isHiddenDayHash = []; // is the day-of-week hidden? (hash with day-of-week-index -> bool)
	var cellsPerWeek;
	var dayToCellMap = []; // hash from dayIndex -> cellIndex, for one week
	var cellToDayMap = []; // hash from cellIndex -> dayIndex, for one week
	var isRTL = opt('isRTL');

// initialize important internal variables
	(function() {

if (opt('weekends') === false) {
			hiddenDays.push(0, 6); // 0=sunday, 6=saturday
		}

// Loop through a hypothetical week and determine which
		// days-of-week are hidden. Record in both hashes (one is the reverse of the other).
		for (var dayIndex=0, cellIndex=0; dayIndex<7; dayIndex++) {
			dayToCellMap[dayIndex] = cellIndex;
			isHiddenDayHash[dayIndex] = $.inArray(dayIndex, hiddenDays) != -1;
			if (!isHiddenDayHash[dayIndex]) {
				cellToDayMap[cellIndex] = dayIndex;
				cellIndex++;
			}
		}

cellsPerWeek = cellIndex;
		if (!cellsPerWeek) {
			throw 'invalid hiddenDays'; // all days were hidden? bad.
		}

})();

// Is the current day hidden?
	// `day` is a day-of-week index (0-6), or a Date object
	function isHiddenDay(day) {
		if (typeof day == 'object') {
			day = day.getDay();
		}
		return isHiddenDayHash[day];
	}

function getCellsPerWeek() {
		return cellsPerWeek;
	}

// Keep incrementing the current day until it is no longer a hidden day.
	// If the initial value of `date` is not a hidden day, don't do anything.
	// Pass `isExclusive` as `true` if you are dealing with an end date.
	// `inc` defaults to `1` (increment one day forward each time)
	function skipHiddenDays(date, inc, isExclusive) {
		inc = inc || 1;
		while (
			isHiddenDayHash[ ( date.getDay() + (isExclusive ? inc : 0) + 7 ) % 7 ]
		) {
			addDays(date, inc);
		}
	}

//
	// TRANSFORMATIONS: cell -> cell offset -> day offset -> date
	//

// cell -> date (combines all transformations)
	// Possible arguments:
	// - row, col
	// - { row:#, col: # }
	function cellToDate() {
		var cellOffset = cellToCellOffset.apply(null, arguments);
		var dayOffset = cellOffsetToDayOffset(cellOffset);
		var date = dayOffsetToDate(dayOffset);
		return date;
	}

// cell -> cell offset
	// Possible arguments:
	// - row, col
	// - { row:#, col:# }
	function cellToCellOffset(row, col) {
		var colCnt = t.getColCnt();

// rtl variables. wish we could pre-populate these. but where?
		var dis = isRTL ? -1 : 1;
		var dit = isRTL ? colCnt - 1 : 0;

if (typeof row == 'object') {
			col = row.col;
			row = row.row;
		}
		var cellOffset = row * colCnt + (col * dis + dit); // column, adjusted for RTL (dis & dit)

return cellOffset;
	}

// cell offset -> day offset
	function cellOffsetToDayOffset(cellOffset) {
		var day0 = t.visStart.getDay(); // first date's day of week
		cellOffset += dayToCellMap[day0]; // normlize cellOffset to beginning-of-week
		return Math.floor(cellOffset / cellsPerWeek) * 7 // # of days from full weeks
			+ cellToDayMap[ // # of days from partial last week
				(cellOffset % cellsPerWeek + cellsPerWeek) % cellsPerWeek // crazy math to handle negative cellOffsets
			]
			- day0; // adjustment for beginning-of-week normalization
	}

// day offset -> date (JavaScript Date object)
	function dayOffsetToDate(dayOffset) {
		var date = cloneDate(t.visStart);
		addDays(date, dayOffset);
		return date;
	}

//
	// TRANSFORMATIONS: date -> day offset -> cell offset -> cell
	//

// date -> cell (combines all transformations)
	function dateToCell(date) {
		var dayOffset = dateToDayOffset(date);
		var cellOffset = dayOffsetToCellOffset(dayOffset);
		var cell = cellOffsetToCell(cellOffset);
		return cell;
	}

// date -> day offset
	function dateToDayOffset(date) {
		return dayDiff(date, t.visStart);
	}

// day offset -> cell offset
	function dayOffsetToCellOffset(dayOffset) {
		var day0 = t.visStart.getDay(); // first date's day of week
		dayOffset += day0; // normalize dayOffset to beginning-of-week
		return Math.floor(dayOffset / 7) * cellsPerWeek // # of cells from full weeks
			+ dayToCellMap[ // # of cells from partial last week
				(dayOffset % 7 + 7) % 7 // crazy math to handle negative dayOffsets
			]
			- dayToCellMap[day0]; // adjustment for beginning-of-week normalization
	}

// cell offset -> cell (object with row & col keys)
	function cellOffsetToCell(cellOffset) {
		var colCnt = t.getColCnt();

// rtl variables. wish we could pre-populate these. but where?
		var dis = isRTL ? -1 : 1;
		var dit = isRTL ? colCnt - 1 : 0;

var row = Math.floor(cellOffset / colCnt);
		var col = ((cellOffset % colCnt + colCnt) % colCnt) * dis + dit; // column, adjusted for RTL (dis & dit)
		return {
			row: row,
			col: col
		};
	}

//
	// Converts a date range into an array of segment objects.
	// "Segments" are horizontal stretches of time, sliced up by row.
	// A segment object has the following properties:
	// - row
	// - cols
	// - isStart
	// - isEnd
	//
	function rangeToSegments(startDate, endDate) {
		var rowCnt = t.getRowCnt();
		var colCnt = t.getColCnt();
		var segments = []; // array of segments to return

// day offset for given date range
		var rangeDayOffsetStart = dateToDayOffset(startDate);
		var rangeDayOffsetEnd = dateToDayOffset(endDate); // exclusive

// first and last cell offset for the given date range
		// "last" implies inclusivity
		var rangeCellOffsetFirst = dayOffsetToCellOffset(rangeDayOffsetStart);
		var rangeCellOffsetLast = dayOffsetToCellOffset(rangeDayOffsetEnd) - 1;

// loop through all the rows in the view
		for (var row=0; row<rowCnt; row++) {

// first and last cell offset for the row
			var rowCellOffsetFirst = row * colCnt;
			var rowCellOffsetLast = rowCellOffsetFirst + colCnt - 1;

// get the segment's cell offsets by constraining the range's cell offsets to the bounds of the row
			var segmentCellOffsetFirst = Math.max(rangeCellOffsetFirst, rowCellOffsetFirst);
			var segmentCellOffsetLast = Math.min(rangeCellOffsetLast, rowCellOffsetLast);

// make sure segment's offsets are valid and in view
			if (segmentCellOffsetFirst <= segmentCellOffsetLast) {

// translate to cells
				var segmentCellFirst = cellOffsetToCell(segmentCellOffsetFirst);
				var segmentCellLast = cellOffsetToCell(segmentCellOffsetLast);

// view might be RTL, so order by leftmost column
				var cols = [ segmentCellFirst.col, segmentCellLast.col ].sort();

// Determine if segment's first/last cell is the beginning/end of the date range.
				// We need to compare "day offset" because "cell offsets" are often ambiguous and
				// can translate to multiple days, and an edge case reveals itself when we the
				// range's first cell is hidden (we don't want isStart to be true).
				var isStart = cellOffsetToDayOffset(segmentCellOffsetFirst) == rangeDayOffsetStart;
				var isEnd = cellOffsetToDayOffset(segmentCellOffsetLast) + 1 == rangeDayOffsetEnd; // +1 for comparing exclusively

segments.push({
					row: row,
					leftCol: cols[0],
					rightCol: cols[1],
					isStart: isStart,
					isEnd: isEnd
				});
			}
		}

return segments;
	}

}

;;

function DayEventRenderer() {
	var t = this;

// exports
	t.renderDayEvents = renderDayEvents;
	t.draggableDayEvent = draggableDayEvent; // made public so that subclasses can override
	t.resizableDayEvent = resizableDayEvent; // "
	
	
	// imports
	var opt = t.opt;
	var trigger = t.trigger;
	var isEventDraggable = t.isEventDraggable;
	var isEventResizable = t.isEventResizable;
	var eventEnd = t.eventEnd;
	var reportEventElement = t.reportEventElement;
	var eventElementHandlers = t.eventElementHandlers;
	var showEvents = t.showEvents;
	var hideEvents = t.hideEvents;
	var eventDrop = t.eventDrop;
	var eventResize = t.eventResize;
	var getRowCnt = t.getRowCnt;
	var getColCnt = t.getColCnt;
	var getColWidth = t.getColWidth;
	var allDayRow = t.allDayRow; // TODO: rename
	var colLeft = t.colLeft;
	var colRight = t.colRight;
	var colContentLeft = t.colContentLeft;
	var colContentRight = t.colContentRight;
	var dateToCell = t.dateToCell;
	var getDaySegmentContainer = t.getDaySegmentContainer;
	var formatDates = t.calendar.formatDates;
	var renderDayOverlay = t.renderDayOverlay;
	var clearOverlays = t.clearOverlays;
	var clearSelection = t.clearSelection;
	var getHoverListener = t.getHoverListener;
	var rangeToSegments = t.rangeToSegments;
	var cellToDate = t.cellToDate;
	var cellToCellOffset = t.cellToCellOffset;
	var cellOffsetToDayOffset = t.cellOffsetToDayOffset;
	var dateToDayOffset = t.dateToDayOffset;
	var dayOffsetToCellOffset = t.dayOffsetToCellOffset;

// Render `events` onto the calendar, attach mouse event handlers, and call the `eventAfterRender` callback for each.
	// Mouse event will be lazily applied, except if the event has an ID of `modifiedEventId`.
	// Can only be called when the event container is empty (because it wipes out all innerHTML).
	function renderDayEvents(events, modifiedEventId) {

// do the actual rendering. Receive the intermediate "segment" data structures.
		var segments = _renderDayEvents(
			events,
			false, // don't append event elements
			true // set the heights of the rows
		);

// report the elements to the View, for general drag/resize utilities
		segmentElementEach(segments, function(segment, element) {
			reportEventElement(segment.event, element);
		});

// attach mouse handlers
		attachHandlers(segments, modifiedEventId);

// call `eventAfterRender` callback for each event
		segmentElementEach(segments, function(segment, element) {
			trigger('eventAfterRender', segment.event, segment.event, element);
		});
	}

// Render an event on the calendar, but don't report them anywhere, and don't attach mouse handlers.
	// Append this event element to the event container, which might already be populated with events.
	// If an event's segment will have row equal to `adjustRow`, then explicitly set its top coordinate to `adjustTop`.
	// This hack is used to maintain continuity when user is manually resizing an event.
	// Returns an array of DOM elements for the event.
	function renderTempDayEvent(event, adjustRow, adjustTop) {

// actually render the event. `true` for appending element to container.
		// Recieve the intermediate "segment" data structures.
		var segments = _renderDayEvents(
			[ event ],
			true, // append event elements
			false // don't set the heights of the rows
		);

var elements = [];

// Adjust certain elements' top coordinates
		segmentElementEach(segments, function(segment, element) {
			if (segment.row === adjustRow) {
				element.css('top', adjustTop);
			}
			elements.push(element[0]); // accumulate DOM nodes
		});

return elements;
	}

// Render events onto the calendar. Only responsible for the VISUAL aspect.
	// Not responsible for attaching handlers or calling callbacks.
	// Set `doAppend` to `true` for rendering elements without clearing the existing container.
	// Set `doRowHeights` to allow setting the height of each row, to compensate for vertical event overflow.
	function _renderDayEvents(events, doAppend, doRowHeights) {

// where the DOM nodes will eventually end up
		var finalContainer = getDaySegmentContainer();

// the container where the initial HTML will be rendered.
		// If `doAppend`==true, uses a temporary container.
		var renderContainer = doAppend ? $("<div/>") : finalContainer;

var segments = buildSegments(events);
		var html;
		var elements;

// calculate the desired `left` and `width` properties on each segment object
		calculateHorizontals(segments);

// build the HTML string. relies on `left` property
		html = buildHTML(segments);

// render the HTML. innerHTML is considerably faster than jQuery's .html()
		renderContainer[0].innerHTML = html;

// retrieve the individual elements
		elements = renderContainer.children();

// if we were appending, and thus using a temporary container,
		// re-attach elements to the real container.
		if (doAppend) {
			finalContainer.append(elements);
		}

// assigns each element to `segment.event`, after filtering them through user callbacks
		resolveElements(segments, elements);

// Calculate the left and right padding+margin for each element.
		// We need this for setting each element's desired outer width, because of the W3C box model.
		// It's important we do this in a separate pass from acually setting the width on the DOM elements
		// because alternating reading/writing dimensions causes reflow for every iteration.
		segmentElementEach(segments, function(segment, element) {
			segment.hsides = hsides(element, true); // include margins = `true`
		});

// Set the width of each element
		segmentElementEach(segments, function(segment, element) {
			element.width(
				Math.max(0, segment.outerWidth - segment.hsides)
			);
		});

// Grab each element's outerHeight (setVerticals uses this).
		// To get an accurate reading, it's important to have each element's width explicitly set already.
		segmentElementEach(segments, function(segment, element) {
			segment.outerHeight = element.outerHeight(true); // include margins = `true`
		});

// Set the top coordinate on each element (requires segment.outerHeight)
		setVerticals(segments, doRowHeights);

return segments;
	}

// Generate an array of "segments" for all events.
	function buildSegments(events) {
		var segments = [];
		for (var i=0; i<events.length; i++) {
			var eventSegments = buildSegmentsForEvent(events[i]);
			segments.push.apply(segments, eventSegments); // append an array to an array
		}
		return segments;
	}

// Generate an array of segments for a single event.
	// A "segment" is the same data structure that View.rangeToSegments produces,
	// with the addition of the `event` property being set to reference the original event.
	function buildSegmentsForEvent(event) {
		var startDate = event.start;
		var endDate = exclEndDay(event);
		var segments = rangeToSegments(startDate, endDate);
		for (var i=0; i<segments.length; i++) {
			segments[i].event = event;
		}
		return segments;
	}

// Sets the `left` and `outerWidth` property of each segment.
	// These values are the desired dimensions for the eventual DOM elements.
	function calculateHorizontals(segments) {
		var isRTL = opt('isRTL');
		for (var i=0; i<segments.length; i++) {
			var segment = segments[i];

// Determine functions used for calulating the elements left/right coordinates,
			// depending on whether the view is RTL or not.
			// NOTE:
			// colLeft/colRight returns the coordinate butting up the edge of the cell.
			// colContentLeft/colContentRight is indented a little bit from the edge.
			var leftFunc = (isRTL ? segment.isEnd : segment.isStart) ? colContentLeft : colLeft;
			var rightFunc = (isRTL ? segment.isStart : segment.isEnd) ? colContentRight : colRight;

var left = leftFunc(segment.leftCol);
			var right = rightFunc(segment.rightCol);
			segment.left = left;
			segment.outerWidth = right - left;
		}
	}

// Build a concatenated HTML string for an array of segments
	function buildHTML(segments) {
		var html = '';
		for (var i=0; i<segments.length; i++) {
			html += buildHTMLForSegment(segments[i]);
		}
		return html;
	}

// Build an HTML string for a single segment.
	// Relies on the following properties:
	// - `segment.event` (from `buildSegmentsForEvent`)
	// - `segment.left` (from `calculateHorizontals`)
	function buildHTMLForSegment(segment) {
		var html = '';
		var isRTL = opt('isRTL');
		var event = segment.event;
		var url = event.url;

// generate the list of CSS classNames
		var classNames = [ 'fc-event', 'fc-event-hori' ];
		if (isEventDraggable(event)) {
			classNames.push('fc-event-draggable');
		}
		if (segment.isStart) {
			classNames.push('fc-event-start');
		}
		if (segment.isEnd) {
			classNames.push('fc-event-end');
		}
		// use the event's configured classNames
		// guaranteed to be an array via `normalizeEvent`
		classNames = classNames.concat(event.className);
		if (event.source) {
			// use the event's source's classNames, if specified
			classNames = classNames.concat(event.source.className || []);
		}

// generate a semicolon delimited CSS string for any of the "skin" properties
		// of the event object (`backgroundColor`, `borderColor` and such)
		var skinCss = getSkinCss(event, opt);

if (url) {
			html += "<a href='" + htmlEscape(url) + "'";
		}else{
			html += "<div";
		}
		html +=
			" class='" + classNames.join(' ') + "'" +
			" style=" +
				"'" +
				"position:absolute;" +
				"left:" + segment.left + "px;" +
				skinCss +
				"'" +
			">" +
			"<div class='fc-event-inner'>";
		if (!event.allDay && segment.isStart) {
			html +=
				"<span class='fc-event-time'>" +
				htmlEscape(
					formatDates(event.start, event.end, opt('timeFormat'))
				) +
				"</span>";
		}
		html +=
			"<span class='fc-event-title'>" +
			htmlEscape(event.title || '') +
			"</span>" +
			"</div>";
		if (segment.isEnd && isEventResizable(event)) {
			html +=
				"<div class='ui-resizable-handle ui-resizable-" + (isRTL ? 'w' : 'e') + "'>" +
				"&nbsp;&nbsp;&nbsp;" + // makes hit area a lot better for IE6/7
				"</div>";
		}
		html += "</" + (url ? "a" : "div") + ">";

// TODO:
		// When these elements are initially rendered, they will be briefly visibile on the screen,
		// even though their widths/heights are not set.
		// SOLUTION: initially set them as visibility:hidden ?

return html;
	}

// Associate each segment (an object) with an element (a jQuery object),
	// by setting each `segment.element`.
	// Run each element through the `eventRender` filter, which allows developers to
	// modify an existing element, supply a new one, or cancel rendering.
	function resolveElements(segments, elements) {
		for (var i=0; i<segments.length; i++) {
			var segment = segments[i];
			var event = segment.event;
			var element = elements.eq(i);

// call the trigger with the original element
			var triggerRes = trigger('eventRender', event, event, element);

if (triggerRes === false) {
				// if `false`, remove the event from the DOM and don't assign it to `segment.event`
				element.remove();
			}
			else {
				if (triggerRes && triggerRes !== true) {
					// the trigger returned a new element, but not `true` (which means keep the existing element)

// re-assign the important CSS dimension properties that were already assigned in `buildHTMLForSegment`
					triggerRes = $(triggerRes)
						.css({
							position: 'absolute',
							left: segment.left
						});

element.replaceWith(triggerRes);
					element = triggerRes;
				}

segment.element = element;
			}
		}
	}

/* Top-coordinate Methods
	-------------------------------------------------------------------------------------------------*/

// Sets the "top" CSS property for each element.
	// If `doRowHeights` is `true`, also sets each row's first cell to an explicit height,
	// so that if elements vertically overflow, the cell expands vertically to compensate.
	function setVerticals(segments, doRowHeights) {
		var rowContentHeights = calculateVerticals(segments); // also sets segment.top
		var rowContentElements = getRowContentElements(); // returns 1 inner div per row
		var rowContentTops = [];

// Set each row's height by setting height of first inner div
		if (doRowHeights) {
			for (var i=0; i<rowContentElements.length; i++) {
				rowContentElements[i].height(rowContentHeights[i]);
			}
		}

// Get each row's top, relative to the views's origin.
		// Important to do this after setting each row's height.
		for (var i=0; i<rowContentElements.length; i++) {
			rowContentTops.push(
				rowContentElements[i].position().top
			);
		}

// Set each segment element's CSS "top" property.
		// Each segment object has a "top" property, which is relative to the row's top, but...
		segmentElementEach(segments, function(segment, element) {
			element.css(
				'top',
				rowContentTops[segment.row] + segment.top // ...now, relative to views's origin
			);
		});
	}

// Calculate the "top" coordinate for each segment, relative to the "top" of the row.
	// Also, return an array that contains the "content" height for each row
	// (the height displaced by the vertically stacked events in the row).
	// Requires segments to have their `outerHeight` property already set.
	function calculateVerticals(segments) {
		var rowCnt = getRowCnt();
		var colCnt = getColCnt();
		var rowContentHeights = []; // content height for each row
		var segmentRows = buildSegmentRows(segments); // an array of segment arrays, one for each row

for (var rowI=0; rowI<rowCnt; rowI++) {
			var segmentRow = segmentRows[rowI];

// an array of running total heights for each column.
			// initialize with all zeros.
			var colHeights = [];
			for (var colI=0; colI<colCnt; colI++) {
				colHeights.push(0);
			}

// loop through every segment
			for (var segmentI=0; segmentI<segmentRow.length; segmentI++) {
				var segment = segmentRow[segmentI];

// find the segment's top coordinate by looking at the max height
				// of all the columns the segment will be in.
				segment.top = arrayMax(
					colHeights.slice(
						segment.leftCol,
						segment.rightCol + 1 // make exclusive for slice
					)
				);

// adjust the columns to account for the segment's height
				for (var colI=segment.leftCol; colI<=segment.rightCol; colI++) {
					colHeights[colI] = segment.top + segment.outerHeight;
				}
			}

// the tallest column in the row should be the "content height"
			rowContentHeights.push(arrayMax(colHeights));
		}

return rowContentHeights;
	}

// Build an array of segment arrays, each representing the segments that will
	// be in a row of the grid, sorted by which event should be closest to the top.
	function buildSegmentRows(segments) {
		var rowCnt = getRowCnt();
		var segmentRows = [];
		var segmentI;
		var segment;
		var rowI;

// group segments by row
		for (segmentI=0; segmentI<segments.length; segmentI++) {
			segment = segments[segmentI];
			rowI = segment.row;
			if (segment.element) { // was rendered?
				if (segmentRows[rowI]) {
					// already other segments. append to array
					segmentRows[rowI].push(segment);
				}
				else {
					// first segment in row. create new array
					segmentRows[rowI] = [ segment ];
				}
			}
		}

// sort each row
		for (rowI=0; rowI<rowCnt; rowI++) {
			segmentRows[rowI] = sortSegmentRow(
				segmentRows[rowI] || [] // guarantee an array, even if no segments
			);
		}

return segmentRows;
	}

// Sort an array of segments according to which segment should appear closest to the top
	function sortSegmentRow(segments) {
		var sortedSegments = [];

// build the subrow array
		var subrows = buildSegmentSubrows(segments);

// flatten it
		for (var i=0; i<subrows.length; i++) {
			sortedSegments.push.apply(sortedSegments, subrows[i]); // append an array to an array
		}

return sortedSegments;
	}

// Take an array of segments, which are all assumed to be in the same row,
	// and sort into subrows.
	function buildSegmentSubrows(segments) {

// Give preference to elements with certain criteria, so they have
		// a chance to be closer to the top.
		segments.sort(compareDaySegments);

var subrows = [];
		for (var i=0; i<segments.length; i++) {
			var segment = segments[i];

// loop through subrows, starting with the topmost, until the segment
			// doesn't collide with other segments.
			for (var j=0; j<subrows.length; j++) {
				if (!isDaySegmentCollision(segment, subrows[j])) {
					break;
				}
			}
			// `j` now holds the desired subrow index
			if (subrows[j]) {
				subrows[j].push(segment);
			}
			else {
				subrows[j] = [ segment ];
			}
		}

return subrows;
	}

// Return an array of jQuery objects for the placeholder content containers of each row.
	// The content containers don't actually contain anything, but their dimensions should match
	// the events that are overlaid on top.
	function getRowContentElements() {
		var i;
		var rowCnt = getRowCnt();
		var rowDivs = [];
		for (i=0; i<rowCnt; i++) {
			rowDivs[i] = allDayRow(i)
				.find('div.fc-day-content > div');
		}
		return rowDivs;
	}

/* Mouse Handlers
	---------------------------------------------------------------------------------------------------*/
	// TODO: better documentation!

function attachHandlers(segments, modifiedEventId) {
		var segmentContainer = getDaySegmentContainer();

segmentElementEach(segments, function(segment, element, i) {
			var event = segment.event;
			if (event._id === modifiedEventId) {
				bindDaySeg(event, element, segment);
			}else{
				element[0]._fci = i; // for lazySegBind
			}
		});

lazySegBind(segmentContainer, segments, bindDaySeg);
	}

function bindDaySeg(event, eventElement, segment) {

if (isEventDraggable(event)) {
			t.draggableDayEvent(event, eventElement, segment); // use `t` so subclasses can override
		}

if (
			segment.isEnd && // only allow resizing on the final segment for an event
			isEventResizable(event)
		) {
			t.resizableDayEvent(event, eventElement, segment); // use `t` so subclasses can override
		}

// attach all other handlers.
		// needs to be after, because resizableDayEvent might stopImmediatePropagation on click
		eventElementHandlers(event, eventElement);
	}

var origCellOffset = cellToCellOffset(origCell);
					var cellOffset = cellToCellOffset(cell);

// don't let resizing move earlier than start date cell
					cellOffset = Math.max(cellOffset, minCellOffset);

dayDelta =
						cellOffsetToDayOffset(cellOffset) -
						cellOffsetToDayOffset(origCellOffset);

if (dayDelta) {
						eventCopy.end = addDays(eventEnd(event), dayDelta, true);
						var oldHelpers = helpers;

helpers = renderTempDayEvent(eventCopy, segment.row, elementTop);
						helpers = $(helpers); // turn array into a jQuery object

helpers.find('*').css('cursor', direction + '-resize');
						if (oldHelpers) {
							oldHelpers.remove();
						}

hideEvents(event);
					}
					else {
						if (helpers) {
							showEvents(event);
							helpers.remove();
							helpers = null;
						}
					}
					clearOverlays();
					renderDayOverlay( // coordinate grid already rebuilt with hoverListener.start()
						event.start,
						addDays( exclEndDay(event), dayDelta )
						// TODO: instead of calling renderDayOverlay() with dates,
						// call _renderDayOverlay (or whatever) with cell offsets.
					);
				}
			}, ev);
			
			function mouseup(ev) {
				trigger('eventResizeStop', this, event, ev);
				$('body').css('cursor', '');
				hoverListener.stop();
				clearOverlays();
				if (dayDelta) {
					eventResize(this, event, dayDelta, 0, ev);
					// event redraw will clear helpers
				}
				// otherwise, the drag handler already restored the old events
				
				setTimeout(function() { // make this happen after the element's click event
					isResizing = false;
				},0);
			}
		});
	}

}

/* Generalized Segment Utilities
-------------------------------------------------------------------------------------------------*/

// A cmp function for determining which segments should appear higher up
function compareDaySegments(a, b) {
	return (b.rightCol - b.leftCol) - (a.rightCol - a.leftCol) || // put wider events first
		b.event.allDay - a.event.allDay || // if tie, put all-day events first (booleans cast to 0/1)
		a.event.start - b.event.start || // if a tie, sort by event start date
		(a.event.title || '').localeCompare(b.event.title) // if a tie, sort by event title
}

;;

//BUG: unselect needs to be triggered when events are dragged+dropped

function SelectionManager() {
	var t = this;
	
	
	// exports
	t.select = select;
	t.unselect = unselect;
	t.reportSelection = reportSelection;
	t.daySelectionMousedown = daySelectionMousedown;
	
	
	// imports
	var opt = t.opt;
	var trigger = t.trigger;
	var defaultSelectionEnd = t.defaultSelectionEnd;
	var renderSelection = t.renderSelection;
	var clearSelection = t.clearSelection;
	
	
	// locals
	var selected = false;

// unselectAuto
	if (opt('selectable') && opt('unselectAuto')) {
		$(document).mousedown(function(ev) {
			var ignore = opt('unselectCancel');
			if (ignore) {
				if ($(ev.target).parents(ignore).length) { // could be optimized to stop after first match
					return;
				}
			}
			unselect(ev);
		});
	}

}

;;
 
function OverlayManager() {
	var t = this;
	
	
	// exports
	t.renderOverlay = renderOverlay;
	t.clearOverlays = clearOverlays;
	
	
	// locals
	var usedOverlays = [];
	var unusedOverlays = [];
	
	
	function renderOverlay(rect, parent) {
		var e = unusedOverlays.shift();
		if (!e) {
			e = $("<div class='fc-cell-overlay' style='position:absolute;z-index:3'/>");
		}
		if (e[0].parentNode != parent[0]) {
			e.appendTo(parent);
		}
		usedOverlays.push(e.css(rect).show());
		return e;
	}

function clearOverlays() {
		var e;
		while (e = usedOverlays.shift()) {
			unusedOverlays.push(e.hide().unbind());
		}
	}

}

;;

function CoordinateGrid(buildFunc) {

}

;;

function HoverListener(coordinateGrid) {

// this fix was only necessary for jQuery UI 1.8.16 (and jQuery 1.7 or 1.7.1)
// upgrading to jQuery UI 1.8.17 (and using either jQuery 1.7 or 1.7.1) fixed the problem
// but keep this in here for 1.8.16 users
// and maybe remove it down the line

function _fixUIEvent(event) { // for issue 1168
	if (event.pageX === undefined) {
		event.pageX = event.originalEvent.pageX;
		event.pageY = event.originalEvent.pageY;
	}
}
;;

function HorizontalPositionCache(getElement) {

;;

})(jQuery);