text: /**
   * @preserve
   * FullCalendar v1.5.3
   * http://arshaw.com/fullcalendar/
   *
   * Use fullcalendar.css for basic styling.
   * For event drag & drop, requires jQuery UI draggable.
   * For event resizing, requires jQuery UI resizable.
   *
   * Copyright (c) 2011 Adam Shaw
   * Dual licensed under the MIT and GPL licenses, located in
   * MIT-LICENSE.txt and GPL-LICENSE.txt respectively.
   *
   * Date: Mon Feb 6 22:40:40 2012 -0800
   *
   */
   
  (function($, undefined) {
  
  
  var defaults = {
  
  	// display
  	defaultView: 'month',
  	aspectRatio: 1.35,
  	header: {
  		left: 'title',
  		center: '',
  		right: 'today prev,next'
  	},
  	weekends: true,
  	
  	// 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: ['Enero', 'Febrero', 'Marzo', 'Abril', 'Mayo', 'Junio', 'Julio', 'Agosto', 'Septiembre', 'Octubre', 'Noviembre', 'Diciembre'],
               monthNamesShort: ['Ene', 'Feb', 'Mar', 'Abr', 'May', 'Jun', 'Jul', 'Ago', 'Sep', 'Oct', 'Nov', 'Dic'],
               dayNames: ['Domingo', 'Lunes', 'Martes', 'Miercoles',
               'Jueves', 'Viernes', 'Sábado'],
               dayNamesShort: ['Dom', 'Lun', 'Mar', 'Mie', 'Jue', 'Vie', 'Sab'],
               buttonText:
                {
                    prev:     ' ◄ ',
                    next:     ' ► ',
                    prevYear: ' &lt;&lt; ',
                    nextYear: ' &gt;&gt; ',
                    today:    'hoy',
                    month:    'mes',
                    week:     'semana',
                    day:      'día'
                },
  	
  	// jquery-ui theming
  	theme: false,
  	buttonIcons: {
  		prev: 'circle-triangle-w',
  		next: 'circle-triangle-e'
  	},
  	
  	//selectable: false,
  	unselectAuto: true,
  	
  	dropAccept: '*'
  	
  };
  
  // right-to-left defaults
  var rtlDefaults = {
  	header: {
  		left: 'next,prev today',
  		center: '',
  		right: 'title'
  	},
  	buttonText: {
  		prev: '&nbsp;&#9658;&nbsp;',
  		next: '&nbsp;&#9668;&nbsp;',
  		prevYear: '&nbsp;&gt;&gt;&nbsp;',
  		nextYear: '&nbsp;&lt;&lt;&nbsp;'
  	},
  	buttonIcons: {
  		prev: 'circle-triangle-e',
  		next: 'circle-triangle-w'
  	}
  };
  
  
  
  var fc = $.fullCalendar = { version: "1.5.3" };
  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;
  	}
  	
  	
  	// 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);
  }
  
  
  
   
  function Calendar(element, options, eventSources) {
  	var t = this;
  	
  	
  	// exports
  	t.options = options;
  	t.render = render;
  	t.destroy = destroy;
  	t.refetchEvents = refetchEvents;
  	t.reportEvents = reportEvents;
  	t.reportEventChange = reportEventChange;
  	t.rerenderEvents = rerenderEvents;
  	t.changeView = changeView;
  	t.select = select;
  	t.unselect = unselect;
  	t.prev = prev;
  	t.next = next;
  	t.prevYear = prevYear;
  	t.nextYear = nextYear;
  	t.today = today;
  	t.gotoDate = gotoDate;
  	t.incrementDate = incrementDate;
  	t.formatDate = function(format, date) { return formatDate(format, date, options) };
  	t.formatDates = function(format, date1, date2) { return formatDates(format, date1, date2, options) };
  	t.getDate = getDate;
  	t.getView = getView;
  	t.option = option;
  	t.trigger = trigger;
  	
  	
  	// imports
  	EventManager.call(t, options, eventSources);
  	var isFetchNeeded = t.isFetchNeeded;
  	var fetchEvents = t.fetchEvents;
  	
  	
  	// locals
  	var _element = element[0];
  	var header;
  	var headerElement;
  	var content;
  	var tm; // for making theme classes
  	var currentView;
  	var viewInstances = {};
  	var elementOuterWidth;
  	var suggestedViewHeight;
  	var absoluteViewElement;
  	var resizeUID = 0;
  	var ignoreWindowResize = 0;
  	var date = new Date();
  	var events = [];
  	var _dragElement;
  	
  	
  	
  	/* Main Rendering
  	-----------------------------------------------------------------------------*/
  	
  	
  	setYMD(date, options.year, options.month, options.date);
  	
  	
  	function render(inc) {
  		if (!content) {
  			initialRender();
  		}else{
  			calcSize();
  			markSizesDirty();
  			markEventsDirty();
  			renderView(inc);
  		}
  	}
  	
  	
  	function initialRender() {
  		tm = options.theme ? 'ui' : 'fc';
  		element.addClass('fc');
  		if (options.isRTL) {
  			element.addClass('fc-rtl');
  		}
  		if (options.theme) {
  			element.addClass('ui-widget');
  		}
  		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);
  		$(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() {
  		$(window).unbind('resize', windowResize);
  		header.destroy();
  		content.remove();
  		element.removeClass('fc fc-rtl ui-widget');
  	}
  	
  	
  	
  	function elementVisible() {
  		return _element.offsetWidth !== 0;
  	}
  	
  	
  	function bodyVisible() {
  		return $('body')[0].offsetWidth !== 0;
  	}
  	
  	
  	
  	/* View Rendering
  	-----------------------------------------------------------------------------*/
  	
  	// TODO: improve view switching (still weird transition in IE, and FF has whiteout problem)
  	
  	function changeView(newViewName) {
  		if (!currentView || newViewName != currentView.name) {
  			ignoreWindowResize++; // because setMinHeight might change the height before render (and subsequently setSize) is reached
  
  			unselect();
  			
  			var oldView = currentView;
  			var newViewElement;
  				
  			if (oldView) {
  				(oldView.beforeHide || noop)(); // called before changing min-height. if called after, scroll state is reset (in Opera)
  				setMinHeight(content, content.height());
  				oldView.element.hide();
  			}else{
  				setMinHeight(content, 1); // needs to be 1 (not 0) for IE7, or else view dimensions miscalculated
  			}
  			content.css('overflow', 'hidden');
  			
  			currentView = viewInstances[newViewName];
  			if (currentView) {
  				currentView.element.show();
  			}else{
  				currentView = viewInstances[newViewName] = new fcViews[newViewName](
  					newViewElement = absoluteViewElement =
  						$("<div class='fc-view fc-view-" + newViewName + "' style='position:absolute'/>")
  							.appendTo(content),
  					t // the calendar object
  				);
  			}
  			
  			if (oldView) {
  				header.deactivateButton(oldView.name);
  			}
  			header.activateButton(newViewName);
  			
  			renderView(); // after height has been set, will make absoluteViewElement's position=relative, then set to null
  			
  			content.css('overflow', '');
  			if (oldView) {
  				setMinHeight(content, 1);
  			}
  			
  			if (!newViewElement) {
  				(currentView.afterShow || noop)(); // called after setting min-height/overflow, so in final scroll state (for Opera)
  			}
  			
  			ignoreWindowResize--;
  		}
  	}
  	
  	
  	
  	function renderView(inc) {
  		if (elementVisible()) {
  			ignoreWindowResize++; // because renderEvents might temporarily change the height before setSize is reached
  
  			unselect();
  			
  			if (suggestedViewHeight === undefined) {
  				calcSize();
  			}
  			
  			var forceEventRender = false;
  			if (!currentView.start || inc || date < currentView.start || date >= currentView.end) {
  				// view must render an entire new date range (and refetch/render events)
  				currentView.render(date, inc || 0); // responsible for clearing events
  				setSize(true);
  				forceEventRender = true;
  			}
  			else if (currentView.sizeDirty) {
  				// view must resize (and rerender events)
  				currentView.clearEvents();
  				setSize();
  				forceEventRender = true;
  			}
  			else if (currentView.eventsDirty) {
  				currentView.clearEvents();
  				forceEventRender = true;
  			}
  			currentView.sizeDirty = false;
  			currentView.eventsDirty = false;
  			updateEvents(forceEventRender);
  			
  			elementOuterWidth = element.outerWidth();
  			
  			header.updateTitle(currentView.title);
  			var today = new Date();
  			if (today >= currentView.start && today < currentView.end) {
  				header.disableButton('today');
  			}else{
  				header.enableButton('today');
  			}
  			
  			ignoreWindowResize--;
  			currentView.trigger('viewDisplay', _element);
  		}
  	}
  	
  	
  	
  	/* Resizing
  	-----------------------------------------------------------------------------*/
  	
  	
  	function updateSize() {
  		markSizesDirty();
  		if (elementVisible()) {
  			calcSize();
  			setSize();
  			unselect();
  			currentView.clearEvents();
  			currentView.renderEvents(events);
  			currentView.sizeDirty = false;
  		}
  	}
  	
  	
  	function markSizesDirty() {
  		$.each(viewInstances, function(i, inst) {
  			inst.sizeDirty = true;
  		});
  	}
  	
  	
  	function calcSize() {
  		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(dateChanged) { // todo: dateChanged?
  		ignoreWindowResize++;
  		currentView.setHeight(suggestedViewHeight, dateChanged);
  		if (absoluteViewElement) {
  			absoluteViewElement.css('position', 'relative');
  			absoluteViewElement = null;
  		}
  		currentView.setWidth(content.width(), dateChanged);
  		ignoreWindowResize--;
  	}
  	
  	
  	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
  	-----------------------------------------------------------------------------*/
  	
  	
  	// fetches events if necessary, rerenders events if necessary (or if forced)
  	function updateEvents(forceRender) {
  		if (!options.lazyFetching || isFetchNeeded(currentView.visStart, currentView.visEnd)) {
  			refetchEvents();
  		}
  		else if (forceRender) {
  			rerenderEvents();
  		}
  	}
  	
  	
  	function refetchEvents() {
  		fetchEvents(currentView.visStart, currentView.visEnd); // will call reportEvents
  	}
  	
  	
  	// called when event data arrives
  	function reportEvents(_events) {
  		events = _events;
  		rerenderEvents();
  	}
  	
  	
  	// called when a single event's data has been changed
  	function reportEventChange(eventID) {
  		rerenderEvents(eventID);
  	}
  	
  	
  	// attempts to rerenderEvents
  	function rerenderEvents(modifiedEventID) {
  		markEventsDirty();
  		if (elementVisible()) {
  			currentView.clearEvents();
  			currentView.renderEvents(events, modifiedEventID);
  			currentView.eventsDirty = false;
  		}
  	}
  	
  	
  	function markEventsDirty() {
  		$.each(viewInstances, function(i, inst) {
  			inst.eventsDirty = true;
  		});
  	}
  	
  
  
  	/* Selection
  	-----------------------------------------------------------------------------*/
  	
  
  	function select(start, end, allDay) {
  		currentView.select(start, end, allDay===undefined ? true : allDay);
  	}
  	
  
  	function unselect() { // safe to be called before renderView
  		if (currentView) {
  			currentView.unselect();
  		}
  	}
  	
  	
  	
  	/* Date
  	-----------------------------------------------------------------------------*/
  	
  	
  	function prev() {
  		renderView(-1);
  	}
  	
  	
  	function next() {
  		renderView(1);
  	}
  	
  	
  	function prevYear() {
  		addYears(date, -1);
  		renderView();
  	}
  	
  	
  	function nextYear() {
  		addYears(date, 1);
  		renderView();
  	}
  	
  	
  	function today() {
  		date = new Date();
  		renderView();
  	}
  	
  	
  	function gotoDate(year, month, dateOfMonth) {
  		if (year instanceof Date) {
  			date = cloneDate(year); // provided 1 argument, a Date
  		}else{
  			setYMD(date, year, month, dateOfMonth);
  		}
  		renderView();
  	}
  	
  	
  	function incrementDate(years, months, days) {
  		if (years !== undefined) {
  			addYears(date, years);
  		}
  		if (months !== undefined) {
  			addMonths(date, months);
  		}
  		if (days !== undefined) {
  			addDays(date, days);
  		}
  		renderView();
  	}
  	
  	
  	function getDate() {
  		return cloneDate(date);
  	}
  	
  	
  	
  	/* Misc
  	-----------------------------------------------------------------------------*/
  	
  	
  	function getView() {
  		return currentView;
  	}
  	
  	
  	function option(name, value) {
  		if (value === undefined) {
  			return options[name];
  		}
  		if (name == 'height' || name == 'contentHeight' || name == 'aspectRatio') {
  			options[name] = value;
  			updateSize();
  		}
  	}
  	
  	
  	function trigger(name, thisObj) {
  		if (options[name]) {
  			return options[name].apply(
  				thisObj || _element,
  				Array.prototype.slice.call(arguments, 2)
  			);
  		}
  	}
  	
  	
  	
  	/* External Dragging
  	------------------------------------------------------------------------*/
  	
  	if (options.droppable) {
  		$(document)
  			.bind('dragstart', function(ev, ui) {
  				var _e = ev.target;
  				var e = $(_e);
  				if (!e.parents('.fc').length) { // not already inside a calendar
  					var accept = options.dropAccept;
  					if ($.isFunction(accept) ? accept.call(_e, e) : e.is(accept)) {
  						_dragElement = _e;
  						currentView.dragStart(_dragElement, ev, ui);
  					}
  				}
  			})
  			.bind('dragstop', function(ev, ui) {
  				if (_dragElement) {
  					currentView.dragStop(_dragElement, ev, ui);
  					_dragElement = null;
  				}
  			});
  	}
  	
  
  }
  
  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;
  	
  
  
  	function render() {
  		tm = options.theme ? 'ui' : 'fc';
  		var sections = options.header;
  		if (sections) {
  			element = $("<table class='fc-header' style='width:100%'/>")
  				.append(
  					$("<tr/>")
  						.append(renderSection('left'))
  						.append(renderSection('center'))
  						.append(renderSection('right'))
  				);
  			return element;
  		}
  	}
  	
  	
  	function destroy() {
  		element.remove();
  	}
  	
  	
  	function renderSection(position) {
  		var e = $("<td class='fc-header-" + position + "'/>");
  		var buttonStr = options.header[position];
  		if (buttonStr) {
  			$.each(buttonStr.split(' '), function(i) {
  				if (i > 0) {
  					e.append("<span class='fc-header-space'/>");
  				}
  				var prevButton;
  				$.each(this.split(','), function(j, buttonName) {
  					if (buttonName == 'title') {
  						e.append("<span class='fc-header-title'><h2>&nbsp;</h2></span>");
  						if (prevButton) {
  							prevButton.addClass(tm + '-corner-right');
  						}
  						prevButton = null;
  					}else{
  						var buttonClick;
  						if (calendar[buttonName]) {
  							buttonClick = calendar[buttonName]; // calendar method
  						}
  						else if (fcViews[buttonName]) {
  							buttonClick = function() {
  								button.removeClass(tm + '-state-hover'); // forget why
  								calendar.changeView(buttonName);
  							};
  						}
  						if (buttonClick) {
  							var icon = options.theme ? smartProperty(options.buttonIcons, buttonName) : null; // why are we using smartProperty here?
  							var text = smartProperty(options.buttonText, buttonName); // why are we using smartProperty here?
  							var button = $(
  								"<span class='fc-button fc-button-" + buttonName + " " + tm + "-state-default'>" +
  									"<span class='fc-button-inner'>" +
  										"<span class='fc-button-content'>" +
  											(icon ?
  												"<span class='fc-icon-wrap'>" +
  													"<span class='ui-icon ui-icon-" + icon + "'/>" +
  												"</span>" :
  												text
  												) +
  										"</span>" +
  										"<span class='fc-button-effect'><span></span></span>" +
  									"</span>" +
  								"</span>"
  							);
  							if (button) {
  								button
  									.click(function() {
  										if (!button.hasClass(tm + '-state-disabled')) {
  											buttonClick();
  										}
  									})
  									.mousedown(function() {
  										button
  											.not('.' + tm + '-state-active')
  											.not('.' + tm + '-state-disabled')
  											.addClass(tm + '-state-down');
  									})
  									.mouseup(function() {
  										button.removeClass(tm + '-state-down');
  									})
  									.hover(
  										function() {
  											button
  												.not('.' + tm + '-state-active')
  												.not('.' + tm + '-state-disabled')
  												.addClass(tm + '-state-hover');
  										},
  										function() {
  											button
  												.removeClass(tm + '-state-hover')
  												.removeClass(tm + '-state-down');
  										}
  									)
  									.appendTo(e);
  								if (!prevButton) {
  									button.addClass(tm + '-corner-left');
  								}
  								prevButton = button;
  							}
  						}
  					}
  				});
  				if (prevButton) {
  					prevButton.addClass(tm + '-corner-right');
  				}
  			});
  		}
  		return e;
  	}
  	
  	
  	function updateTitle(html) {
  		element.find('h2')
  			.html(html);
  	}
  	
  	
  	function activateButton(buttonName) {
  		element.find('span.fc-button-' + buttonName)
  			.addClass(tm + '-state-active');
  	}
  	
  	
  	function deactivateButton(buttonName) {
  		element.find('span.fc-button-' + buttonName)
  			.removeClass(tm + '-state-active');
  	}
  	
  	
  	function disableButton(buttonName) {
  		element.find('span.fc-button-' + buttonName)
  			.addClass(tm + '-state-disabled');
  	}
  	
  	
  	function enableButton(buttonName) {
  		element.find('span.fc-button-' + buttonName)
  			.removeClass(tm + '-state-disabled');
  	}
  
  
  }
  
  fc.sourceNormalizers = [];
  fc.sourceFetchers = [];
  
  var ajaxDefaults = {
  	dataType: 'json',
  	cache: false
  };
  
  var eventGUID = 1;
  
  
  function EventManager(options, _sources) {
  	var t = this;
  	
  	
  	// exports
  	t.isFetchNeeded = isFetchNeeded;
  	t.fetchEvents = fetchEvents;
  	t.addEventSource = addEventSource;
  	t.removeEventSource = removeEventSource;
  	t.updateEvent = updateEvent;
  	t.renderEvent = renderEvent;
  	t.removeEvents = removeEvents;
  	t.clientEvents = clientEvents;
  	t.normalizeEvent = normalizeEvent;
  	
  	
  	// imports
  	var trigger = t.trigger;
  	var getView = t.getView;
  	var reportEvents = t.reportEvents;
  	
  	
  	// locals
  	var stickySource = { events: [] };
  	var sources = [ stickySource ];
  	var rangeStart, rangeEnd;
  	var currentFetchID = 0;
  	var pendingSourceCnt = 0;
  	var loadingLevel = 0;
  	var cache = [];
  	
  	
  	for (var i=0; i<_sources.length; i++) {
  		_addEventSource(_sources[i]);
  	}
  	
  	
  	
  	/* Fetching
  	-----------------------------------------------------------------------------*/
  	
  	
  	function isFetchNeeded(start, end) {
  		return !rangeStart || start < rangeStart || end > rangeEnd;
  	}
  	
  	
  	function fetchEvents(start, end) {
  		rangeStart = start;
  		rangeEnd = end;
  		cache = [];
  		var fetchID = ++currentFetchID;
  		var len = sources.length;
  		pendingSourceCnt = len;
  		for (var i=0; i<len; i++) {
  			fetchEventSource(sources[i], fetchID);
  		}
  	}
  	
  	
  	function fetchEventSource(source, fetchID) {
  		_fetchEventSource(source, function(events) {
  			if (fetchID == currentFetchID) {
  				if (events) {
  					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;
  				var data = $.extend({}, source.data || {});
  				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
  	-----------------------------------------------------------------------------*/
  	
  
  	function addEventSource(source) {
  		source = _addEventSource(source);
  		if (source) {
  			pendingSourceCnt++;
  			fetchEventSource(source, currentFetchID); // will eventually call reportEvents
  		}
  	}
  	
  	
  	function _addEventSource(source) {
  		if ($.isFunction(source) || $.isArray(source)) {
  			source = { events: source };
  		}
  		else if (typeof source == 'string') {
  			source = { url: source };
  		}
  		if (typeof source == 'object') {
  			normalizeSource(source);
  			sources.push(source);
  			return source;
  		}
  	}
  	
  
  	function removeEventSource(source) {
  		sources = $.grep(sources, function(src) {
  			return !isSourcesEqual(src, source);
  		});
  		// remove all client events from that source
  		cache = $.grep(cache, function(e) {
  			return !isSourcesEqual(e.source, source);
  		});
  		reportEvents(cache);
  	}
  	
  	
  	
  	/* Manipulation
  	-----------------------------------------------------------------------------*/
  	
  	
  	function updateEvent(event) { // update an existing event
  		var i, len = cache.length, e,
  			defaultEventEnd = getView().defaultEventEnd, // getView???
  			startDelta = event.start - event._start,
  			endDelta = event.end ?
  				(event.end - (event._end || defaultEventEnd(event))) // event._end would be null if event.end
  				: 0;                                                      // was null and event was just resized
  		for (i=0; i<len; i++) {
  			e = cache[i];
  			if (e._id == event._id && e != event) {
  				e.start = new Date(+e.start + startDelta);
  				if (event.end) {
  					if (e.end) {
  						e.end = new Date(+e.end + endDelta);
  					}else{
  						e.end = new Date(+defaultEventEnd(e) + endDelta);
  					}
  				}else{
  					e.end = null;
  				}
  				e.title = event.title;
  				e.url = event.url;
  				e.allDay = event.allDay;
  				e.className = event.className;
  				e.editable = event.editable;
  				e.color = event.color;
  				e.backgroudColor = event.backgroudColor;
  				e.borderColor = event.borderColor;
  				e.textColor = event.textColor;
  				normalizeEvent(e);
  			}
  		}
  		normalizeEvent(event);
  		reportEvents(cache);
  	}
  	
  	
  	function renderEvent(event, stick) {
  		normalizeEvent(event);
  		if (!event.source) {
  			if (stick) {
  				stickySource.events.push(event);
  				event.source = stickySource;
  			}
  			cache.push(event);
  		}
  		reportEvents(cache);
  	}
  	
  	
  	function removeEvents(filter) {
  		if (!filter) { // remove all
  			cache = [];
  			// clear all array sources
  			for (var i=0; i<sources.length; i++) {
  				if ($.isArray(sources[i].events)) {
  					sources[i].events = [];
  				}
  			}
  		}else{
  			if (!$.isFunction(filter)) { // an event ID
  				var id = filter + '';
  				filter = function(e) {
  					return e._id == id;
  				};
  			}
  			cache = $.grep(cache, filter, true);
  			// remove events from array sources
  			for (var i=0; i<sources.length; i++) {
  				if ($.isArray(sources[i].events)) {
  					sources[i].events = $.grep(sources[i].events, filter, true);
  				}
  			}
  		}
  		reportEvents(cache);
  	}
  	
  	
  	function clientEvents(filter) {
  		if ($.isFunction(filter)) {
  			return $.grep(cache, filter);
  		}
  		else if (filter) { // an event ID
  			filter += '';
  			return $.grep(cache, function(e) {
  				return e._id == filter;
  			});
  		}
  		return cache; // else, return all
  	}
  	
  	
  	
  	/* Loading State
  	-----------------------------------------------------------------------------*/
  	
  	
  	function pushLoading() {
  		if (!loadingLevel++) {
  			trigger('loading', null, true);
  		}
  	}
  	
  	
  	function popLoading() {
  		if (!--loadingLevel) {
  			trigger('loading', null, false);
  		}
  	}
  	
  	
  	
  	/* Event Normalization
  	-----------------------------------------------------------------------------*/
  	
  	
  	function normalizeEvent(event) {
  		var source = event.source || {};
  		var ignoreTimezone = firstDefined(source.ignoreTimezone, options.ignoreTimezone);
  		event._id = event._id || (event.id === undefined ? '_fc' + eventGUID++ : event.id + '');
  		if (event.date) {
  			if (!event.start) {
  				event.start = event.date;
  			}
  			delete event.date;
  		}
  		event._start = cloneDate(event.start = parseDate(event.start, ignoreTimezone));
  		event.end = parseDate(event.end, ignoreTimezone);
  		if (event.end && event.end <= event.start) {
  			event.end = null;
  		}
  		event._end = event.end ? cloneDate(event.end) : null;
  		if (event.allDay === undefined) {
  			event.allDay = firstDefined(source.allDayDefault, options.allDayDefault);
  		}
  		if (event.className) {
  			if (typeof event.className == 'string') {
  				event.className = event.className.split(/\s+/);
  			}
  		}else{
  			event.className = [];
  		}
  		// TODO: if there is no start date, return false to indicate an invalid event
  	}
  	
  	
  	
  	/* Utils
  	------------------------------------------------------------------------------*/
  	
  	
  	function normalizeSource(source) {
  		if (source.className) {
  			// TODO: repeat code, same code for event classNames
  			if (typeof source.className == 'string') {
  				source.className = source.className.split(/\s+/);
  			}
  		}else{
  			source.className = [];
  		}
  		var normalizers = fc.sourceNormalizers;
  		for (var i=0; i<normalizers.length; i++) {
  			normalizers[i](source);
  		}
  	}
  	
  	
  	function isSourcesEqual(source1, source2) {
  		return source1 && source2 && getSourcePrimitive(source1) == getSourcePrimitive(source2);
  	}
  	
  	
  	function getSourcePrimitive(source) {
  		return ((typeof source == 'object') ? (source.events || source.url) : '') || source;
  	}
  
  
  }
  
  
  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 addMonths(d, n, keepTime) { // prevents day overflow/underflow
  	if (+d) { // prevent infinite looping on invalid dates
  		var m = d.getMonth() + n,
  			check = cloneDate(d);
  		check.setDate(1);
  		check.setMonth(m);
  		d.setMonth(m);
  		if (!keepTime) {
  			clearTime(d);
  		}
  		while (d.getMonth() != check.getMonth()) {
  			d.setDate(d.getDate() + (d < check ? 1 : -1));
  		}
  	}
  	return d;
  }
  
  
  function addDays(d, n, keepTime) { // deals with daylight savings
  	if (+d) {
  		var dd = d.getDate() + n,
  			check = cloneDate(d);
  		check.setHours(9); // set to middle of day
  		check.setDate(dd);
  		d.setDate(dd);
  		if (!keepTime) {
  			clearTime(d);
  		}
  		fixDate(d, check);
  	}
  	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 skipWeekend(date, inc, excl) {
  	inc = inc || 1;
  	while (!date.getDay() || (excl && date.getDay()==1 || !excl && date.getDay()==6)) {
  		addDays(date, inc);
  	}
  	return date;
  }
  
  
  function dayDiff(d1, d2) { // d1 - d2
  	return Math.round((cloneDate(d1, true) - cloneDate(d2, true)) / DAY_MS);
  }
  
  
  function setYMD(date, y, m, d) {
  	if (y !== undefined && y != date.getFullYear()) {
  		date.setDate(1);
  		date.setMonth(0);
  		date.setFullYear(y);
  	}
  	if (m !== undefined && m != date.getMonth()) {
  		date.setDate(1);
  		date.setMonth(m);
  	}
  	if (d !== undefined) {
  		date.setDate(d);
  	}
  }
  
  
  
  /* Date Parsing
  -----------------------------------------------------------------------------*/
  
  
  function parseDate(s, ignoreTimezone) { // ignoreTimezone defaults to true
  	if (typeof s == 'object') { // already a Date object
  		return s;
  	}
  	if (typeof s == 'number') { // a UNIX timestamp
  		return new Date(s * 1000);
  	}
  	if (typeof s == 'string') {
  		if (s.match(/^\d+(\.\d+)?$/)) { // a UNIX timestamp
  			return new Date(parseFloat(s) * 1000);
  		}
  		if (ignoreTimezone === undefined) {
  			ignoreTimezone = true;
  		}
  		return parseISO8601(s, ignoreTimezone) || (s ? new Date(s) : null);
  	}
  	// TODO: never return invalid dates (like from new Date(<string>)), return null instead
  	return null;
  }
  
  
  function parseISO8601(s, ignoreTimezone) { // ignoreTimezone defaults to false
  	// derived from http://delete.me.uk/2005/03/iso8601.html
  	// TODO: for a know glitch/feature, read tests/issue_206_parseDate_dst.html
  	var m = s.match(/^([0-9]{4})(-([0-9]{2})(-([0-9]{2})([T ]([0-9]{2}):([0-9]{2})(:([0-9]{2})(\.([0-9]+))?)?(Z|(([-+])([0-9]{2})(:?([0-9]{2}))?))?)?)?)?$/);
  	if (!m) {
  		return null;
  	}
  	var date = new Date(m[1], 0, 1);
  	if (ignoreTimezone || !m[13]) {
  		var check = new Date(m[1], 0, 1, 9, 0);
  		if (m[3]) {
  			date.setMonth(m[3] - 1);
  			check.setMonth(m[3] - 1);
  		}
  		if (m[5]) {
  			date.setDate(m[5]);
  			check.setDate(m[5]);
  		}
  		fixDate(date, check);
  		if (m[7]) {
  			date.setHours(m[7]);
  		}
  		if (m[8]) {
  			date.setMinutes(m[8]);
  		}
  		if (m[10]) {
  			date.setSeconds(m[10]);
  		}
  		if (m[12]) {
  			date.setMilliseconds(Number("0." + m[12]) * 1000);
  		}
  		fixDate(date, check);
  	}else{
  		date.setUTCFullYear(
  			m[1],
  			m[3] ? m[3] - 1 : 0,
  			m[5] || 1
  		);
  		date.setUTCHours(
  			m[7] || 0,
  			m[8] || 0,
  			m[10] || 0,
  			m[12] ? Number("0." + m[12]) * 1000 : 0
  		);
  		if (m[14]) {
  			var offset = Number(m[16]) * 60 + (m[18] ? Number(m[18]) : 0);
  			offset *= m[15] == '-' ? 1 : -1;
  			date = new Date(+date + (offset * 60 * 1000));
  		}
  	}
  	return date;
  }
  
  
  function parseTime(s) { // returns minutes since start of day
  	if (typeof s == 'number') { // an hour
  		return s * 60;
  	}
  	if (typeof s == 'object') { // a Date object
  		return s.getHours() * 60 + s.getMinutes();
  	}
  	var m = s.match(/(\d+)(?::(\d+))?\s*(\w+)?/);
  	if (m) {
  		var h = parseInt(m[1], 10);
  		if (m[3]) {
  			h %= 12;
  			if (m[3].toLowerCase().charAt(0) == 'p') {
  				h += 12;
  			}
  		}
  		return h * 60 + (m[2] ? parseInt(m[2], 10) : 0);
  	}
  }
  
  
  
  /* Date Formatting
  -----------------------------------------------------------------------------*/
  // TODO: use same function formatDate(date, [date2], format, [options])
  
  
  function formatDate(date, format, options) {
  	return formatDates(date, null, format, options);
  }
  
  
  function formatDates(date1, date2, format, options) {
  	options = options || defaults;
  	var date = date1,
  		otherDate = date2,
  		i, len = format.length, c,
  		i2, formatter,
  		res = '';
  	for (i=0; i<len; i++) {
  		c = format.charAt(i);
  		if (c == "'") {
  			for (i2=i+1; i2<len; i2++) {
  				if (format.charAt(i2) == "'") {
  					if (date) {
  						if (i2 == i+1) {
  							res += "'";
  						}else{
  							res += format.substring(i+1, i2);
  						}
  						i = i2;
  					}
  					break;
  				}
  			}
  		}
  		else if (c == '(') {
  			for (i2=i+1; i2<len; i2++) {
  				if (format.charAt(i2) == ')') {
  					var subres = formatDate(date, format.substring(i+1, i2), options);
  					if (parseInt(subres.replace(/\D/, ''), 10)) {
  						res += subres;
  					}
  					i = i2;
  					break;
  				}
  			}
  		}
  		else if (c == '[') {
  			for (i2=i+1; i2<len; i2++) {
  				if (format.charAt(i2) == ']') {
  					var subformat = format.substring(i+1, i2);
  					var subres = formatDate(date, subformat, options);
  					if (subres != formatDate(otherDate, subformat, options)) {
  						res += subres;
  					}
  					i = i2;
  					break;
  				}
  			}
  		}
  		else if (c == '{') {
  			date = date2;
  			otherDate = date1;
  		}
  		else if (c == '}') {
  			date = date1;
  			otherDate = date2;
  		}
  		else {
  			for (i2=len; i2>i; i2--) {
  				if (formatter = dateFormatters[format.substring(i, i2)]) {
  					if (date) {
  						res += formatter(date, options);
  					}
  					i = i2 - 1;
  					break;
  				}
  			}
  			if (i2 == i) {
  				if (date) {
  					res += c;
  				}
  			}
  		}
  	}
  	return res;
  };
  
  
  var dateFormatters = {
  	s	: function(d)	{ return d.getSeconds() },
  	ss	: function(d)	{ return zeroPad(d.getSeconds()) },
  	m	: function(d)	{ return d.getMinutes() },
  	mm	: function(d)	{ return zeroPad(d.getMinutes()) },
  	h	: function(d)	{ return d.getHours() % 12 || 12 },
  	hh	: function(d)	{ return zeroPad(d.getHours() % 12 || 12) },
  	H	: function(d)	{ return d.getHours() },
  	HH	: function(d)	{ return zeroPad(d.getHours()) },
  	d	: function(d)	{ return d.getDate() },
  	dd	: function(d)	{ return zeroPad(d.getDate()) },
  	ddd	: function(d,o)	{ return o.dayNamesShort[d.getDay()] },
  	dddd: function(d,o)	{ return o.dayNames[d.getDay()] },
  	M	: function(d)	{ return d.getMonth() + 1 },
  	MM	: function(d)	{ return zeroPad(d.getMonth() + 1) },
  	MMM	: function(d,o)	{ return o.monthNamesShort[d.getMonth()] },
  	MMMM: function(d,o)	{ return o.monthNames[d.getMonth()] },
  	yy	: function(d)	{ return (d.getFullYear()+'').substring(2) },
  	yyyy: function(d)	{ return d.getFullYear() },
  	t	: function(d)	{ return d.getHours() < 12 ? 'a' : 'p' },
  	tt	: function(d)	{ return d.getHours() < 12 ? 'am' : 'pm' },
  	T	: function(d)	{ return d.getHours() < 12 ? 'A' : 'P' },
  	TT	: function(d)	{ return d.getHours() < 12 ? 'AM' : 'PM' },
  	u	: function(d)	{ return formatDate(d, "yyyy-MM-dd'T'HH:mm:ss'Z'") },
  	S	: function(d)	{
  		var date = d.getDate();
  		if (date > 10 && date < 20) {
  			return 'th';
  		}
  		return ['st', 'nd', 'rd'][date%10-1] || 'th';
  	}
  };
  
  
  
  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);
  }
  
  
  function segCmp(a, b) {
  	return (b.msLength - a.msLength) * 100 + (a.event.start - b.event.start);
  }
  
  
  function segsCollide(seg1, seg2) {
  	return seg1.end > seg2.start && seg1.start < seg2.end;
  }
  
  
  
  /* Event Sorting
  -----------------------------------------------------------------------------*/
  
  
  // event rendering utilities
  function sliceSegs(events, visEventEnds, start, end) {
  	var segs = [],
  		i, len=events.length, event,
  		eventStart, eventEnd,
  		segStart, segEnd,
  		isStart, isEnd;
  	for (i=0; i<len; i++) {
  		event = events[i];
  		eventStart = event.start;
  		eventEnd = visEventEnds[i];
  		if (eventEnd > start && eventStart < end) {
  			if (eventStart < start) {
  				segStart = cloneDate(start);
  				isStart = false;
  			}else{
  				segStart = eventStart;
  				isStart = true;
  			}
  			if (eventEnd > end) {
  				segEnd = cloneDate(end);
  				isEnd = false;
  			}else{
  				segEnd = eventEnd;
  				isEnd = true;
  			}
  			segs.push({
  				event: event,
  				start: segStart,
  				end: segEnd,
  				isStart: isStart,
  				isEnd: isEnd,
  				msLength: segEnd - segStart
  			});
  		}
  	} 
  	return segs.sort(segCmp);
  }
  
  
  // event rendering calculation utilities
  function stackSegs(segs) {
  	var levels = [],
  		i, len = segs.length, seg,
  		j, collide, k;
  	for (i=0; i<len; i++) {
  		seg = segs[i];
  		j = 0; // the level index where seg should belong
  		while (true) {
  			collide = false;
  			if (levels[j]) {
  				for (k=0; k<levels[j].length; k++) {
  					if (segsCollide(levels[j][k], seg)) {
  						collide = true;
  						break;
  					}
  				}
  			}
  			if (collide) {
  				j++;
  			}else{
  				break;
  			}
  		}
  		if (levels[j]) {
  			levels[j].push(seg);
  		}else{
  			levels[j] = [seg];
  		}
  	}
  	return levels;
  }
  
  
  
  /* Event Element Binding
  -----------------------------------------------------------------------------*/
  
  
  function lazySegBind(container, segs, bindHandlers) {
  	container.unbind('mouseover').mouseover(function(ev) {
  		var parent=ev.target, e,
  			i, seg;
  		while (parent != this) {
  			e = parent;
  			parent = parent.parentNode;
  		}
  		if ((i = e._fci) !== undefined) {
  			e._fci = undefined;
  			seg = segs[i];
  			bindHandlers(seg.event, seg.element, seg);
  			$(ev.target).trigger(ev);
  		}
  		ev.stopPropagation();
  	});
  }
  
  
  
  /* 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)));
  	}
  }
  
  
  // TODO: curCSS has been deprecated (jQuery 1.4.3 - 10/16/2010)
  
  
  function hsides(element, includeMargins) {
  	return hpadding(element) + hborders(element) + (includeMargins ? hmargins(element) : 0);
  }
  
  
  function hpadding(element) {
  	return (parseFloat($.curCSS(element[0], 'paddingLeft', true)) || 0) +
  	       (parseFloat($.curCSS(element[0], 'paddingRight', true)) || 0);
  }
  
  
  function hmargins(element) {
  	return (parseFloat($.curCSS(element[0], 'marginLeft', true)) || 0) +
  	       (parseFloat($.curCSS(element[0], 'marginRight', true)) || 0);
  }
  
  
  function hborders(element) {
  	return (parseFloat($.curCSS(element[0], 'borderLeftWidth', true)) || 0) +
  	       (parseFloat($.curCSS(element[0], 'borderRightWidth', true)) || 0);
  }
  
  
  function vsides(element, includeMargins) {
  	return vpadding(element) +  vborders(element) + (includeMargins ? vmargins(element) : 0);
  }
  
  
  function vpadding(element) {
  	return (parseFloat($.curCSS(element[0], 'paddingTop', true)) || 0) +
  	       (parseFloat($.curCSS(element[0], 'paddingBottom', true)) || 0);
  }
  
  
  function vmargins(element) {
  	return (parseFloat($.curCSS(element[0], 'marginTop', true)) || 0) +
  	       (parseFloat($.curCSS(element[0], 'marginBottom', true)) || 0);
  }
  
  
  function vborders(element) {
  	return (parseFloat($.curCSS(element[0], 'borderTopWidth', true)) || 0) +
  	       (parseFloat($.curCSS(element[0], 'borderBottomWidth', true)) || 0);
  }
  
  
  function setMinHeight(element, height) {
  	height = (typeof height == 'number' ? height + 'px' : height);
  	element.each(function(i, _element) {
  		_element.style.cssText += ';min-height:' + height + ';_height:' + height;
  		// why can't we just use .css() ? i forget
  	});
  }
  
  
  
  /* Misc Utils
  -----------------------------------------------------------------------------*/
  
  
  //TODO: arraySlice
  //TODO: isFunction, grep ?
  
  
  function noop() { }
  
  
  function cmp(a, b) {
  	return a - b;
  }
  
  
  function arrayMax(a) {
  	return Math.max.apply(Math, a);
  }
  
  
  function zeroPad(n) {
  	return (n < 10 ? '0' : '') + n;
  }
  
  
  function smartProperty(obj, name) { // get a camel-cased/namespaced property of an object
  	if (obj[name] !== undefined) {
  		return obj[name];
  	}
  	var parts = name.split(/(?=[A-Z])/),
  		i=parts.length-1, res;
  	for (; i>=0; i--) {
  		res = obj[parts[i].toLowerCase()];
  		if (res !== undefined) {
  			return res;
  		}
  	}
  	return obj[''];
  }
  
  
  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 cssKey(_element) {
  	return _element.id + '/' + _element.className + '/' + _element.style.cssText.replace(/(^|;)\s*(top|left|width|height)\s*:[^;]*/ig, '');
  }
  
  
  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 getSkinCss(event, opt) {
  	var source = event.source || {};
  	var eventColor = event.color;
  	var sourceColor = source.color;
  	var optionColor = opt('eventColor');
  	var backgroundColor =
  		event.backgroundColor ||
  		eventColor ||
  		source.backgroundColor ||
  		sourceColor ||
  		opt('eventBackgroundColor') ||
  		optionColor;
  	var borderColor =
  		event.borderColor ||
  		eventColor ||
  		source.borderColor ||
  		sourceColor ||
  		opt('eventBorderColor') ||
  		optionColor;
  	var textColor =
  		event.textColor ||
  		source.textColor ||
  		opt('eventTextColor');
  	var statements = [];
  	if (backgroundColor) {
  		statements.push('background-color:' + backgroundColor);
  	}
  	if (borderColor) {
  		statements.push('border-color:' + borderColor);
  	}
  	if (textColor) {
  		statements.push('color:' + textColor);
  	}
  	return statements.join(';');
  }
  
  
  function applyAll(functions, thisObj, args) {
  	if ($.isFunction(functions)) {
  		functions = [ functions ];
  	}
  	if (functions) {
  		var i;
  		var ret;
  		for (i=0; i<functions.length; i++) {
  			ret = functions[i].apply(thisObj, args) || ret;
  		}
  		return ret;
  	}
  }
  
  
  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 formatDate = calendar.formatDate;
  	
  	
  	
  	function render(date, delta) {
  		if (delta) {
  			addMonths(date, delta);
  			date.setDate(1);
  		}
  		var start = cloneDate(date, true);
  		start.setDate(1);
  		var end = addMonths(cloneDate(start), 1);
  		var visStart = cloneDate(start);
  		var visEnd = cloneDate(end);
  		var firstDay = opt('firstDay');
  		var nwe = opt('weekends') ? 0 : 1;
  		if (nwe) {
  			skipWeekend(visStart);
  			skipWeekend(visEnd, -1, true);
  		}
  		addDays(visStart, -((visStart.getDay() - Math.max(firstDay, nwe) + 7) % 7));
  		addDays(visEnd, (7 - visEnd.getDay() + Math.max(firstDay, nwe)) % 7);
  		var rowCnt = Math.round((visEnd - visStart) / (DAY_MS * 7));
  		if (opt('weekMode') == 'fixed') {
  			addDays(visEnd, (6 - rowCnt) * 7);
  			rowCnt = 6;
  		}
  		t.title = formatDate(start, opt('titleFormat'));
  		t.start = start;
  		t.end = end;
  		t.visStart = visStart;
  		t.visEnd = visEnd;
  		renderBasic(6, rowCnt, nwe ? 5 : 7, 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 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);
  		var visEnd = cloneDate(end);
  		var weekends = opt('weekends');
  		if (!weekends) {
  			skipWeekend(visStart);
  			skipWeekend(visEnd, -1, true);
  		}
  		t.title = formatDates(
  			visStart,
  			addDays(cloneDate(visEnd), -1),
  			opt('titleFormat')
  		);
  		t.start = start;
  		t.end = end;
  		t.visStart = visStart;
  		t.visEnd = visEnd;
  		renderBasic(1, 1, weekends ? 7 : 5, false);
  	}
  	
  	
  }
  
  fcViews.basicDay = BasicDayView;
  
  //TODO: when calendar's date starts out on a weekend, shouldn't happen
  
  
  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 formatDate = calendar.formatDate;
  	
  	
  	
  	function render(date, delta) {
  		if (delta) {
  			addDays(date, delta);
  			if (!opt('weekends')) {
  				skipWeekend(date, delta < 0 ? -1 : 1);
  			}
  		}
  		t.title = formatDate(date, opt('titleFormat'));
  		t.start = t.visStart = cloneDate(date, true);
  		t.end = t.visEnd = addDays(cloneDate(t.start), 1);
  		renderBasic(1, 1, 1, false);
  	}
  	
  	
  }
  
  setDefaults({
  	weekMode: 'fixed'
  });
  
  
  function BasicView(element, calendar, viewName) {
  	var t = this;
  	
  	
  	// exports
  	t.renderBasic = renderBasic;
  	t.setHeight = setHeight;
  	t.setWidth = setWidth;
  	t.renderDayOverlay = renderDayOverlay;
  	t.defaultSelectionEnd = defaultSelectionEnd;
  	t.renderSelection = renderSelection;
  	t.clearSelection = clearSelection;
  	t.reportDayClick = reportDayClick; // for selection (kinda hacky)
  	t.dragStart = dragStart;
  	t.dragStop = dragStop;
  	t.defaultEventEnd = defaultEventEnd;
  	t.getHoverListener = function() { return hoverListener };
  	t.colContentLeft = colContentLeft;
  	t.colContentRight = colContentRight;
  	t.dayOfWeekCol = dayOfWeekCol;
  	t.dateCell = dateCell;
  	t.cellDate = cellDate;
  	t.cellIsAllDay = function() { return true };
  	t.allDayRow = allDayRow;
  	t.allDayBounds = allDayBounds;
  	t.getRowCnt = function() { return rowCnt };
  	t.getColCnt = function() { return colCnt };
  	t.getColWidth = function() { return colWidth };
  	t.getDaySegmentContainer = function() { return daySegmentContainer };
  	
  	
  	// imports
  	View.call(t, element, calendar, viewName);
  	OverlayManager.call(t);
  	SelectionManager.call(t);
  	BasicEventRenderer.call(t);
  	var opt = t.opt;
  	var trigger = t.trigger;
  	var clearEvents = t.clearEvents;
  	var renderOverlay = t.renderOverlay;
  	var clearOverlays = t.clearOverlays;
  	var daySelectionMousedown = t.daySelectionMousedown;
  	var formatDate = calendar.formatDate;
  	
  	
  	// locals
  	
  	var head;
  	var headCells;
  	var body;
  	var bodyRows;
  	var bodyCells;
  	var bodyFirstCells;
  	var bodyCellTopInners;
  	var daySegmentContainer;
  	
  	var viewWidth;
  	var viewHeight;
  	var colWidth;
  	
  	var rowCnt, colCnt;
  	var coordinateGrid;
  	var hoverListener;
  	var colContentPositions;
  	
  	var rtl, dis, dit;
  	var firstDay;
  	var nwe;
  	var tm;
  	var colFormat;
  	
  	
  	
  	/* Rendering
  	------------------------------------------------------------*/
  	
  	
  	disableTextSelection(element.addClass('fc-grid'));
  	
  	
  	function renderBasic(maxr, r, c, showNumbers) {
  		rowCnt = r;
  		colCnt = c;
  		updateOptions();
  		var firstTime = !body;
  		if (firstTime) {
  			buildSkeleton(maxr, showNumbers);
  		}else{
  			clearEvents();
  		}
  		updateCells(firstTime);
  	}
  	
  	
  	
  	function updateOptions() {
  		rtl = opt('isRTL');
  		if (rtl) {
  			dis = -1;
  			dit = colCnt - 1;
  		}else{
  			dis = 1;
  			dit = 0;
  		}
  		firstDay = opt('firstDay');
  		nwe = opt('weekends') ? 0 : 1;
  		tm = opt('theme') ? 'ui' : 'fc';
  		colFormat = opt('columnFormat');
  	}
  	
  	
  	
  	function buildSkeleton(maxRowCnt, showNumbers) {
  		var s;
  		var headerClass = tm + "-widget-header";
  		var contentClass = tm + "-widget-content";
  		var i, j;
  		var table;
  		
  		s =
  			"<table class='fc-border-separate' style='width:100%' cellspacing='0'>" +
  			"<thead>" +
  			"<tr>";
  		for (i=0; i<colCnt; i++) {
  			s +=
  				"<th class='fc- " + headerClass + "'/>"; // need fc- for setDayID
  		}
  		s +=
  			"</tr>" +
  			"</thead>" +
  			"<tbody>";
  		for (i=0; i<maxRowCnt; i++) {
  			s +=
  				"<tr class='fc-week" + i + "'>";
  			for (j=0; j<colCnt; j++) {
  				s +=
  					"<td class='fc- " + contentClass + " fc-day" + (i*colCnt+j) + "'>" + // need fc- for setDayID
  					"<div>" +
  					(showNumbers ?
  						"<div class='fc-day-number'/>" :
  						''
  						) +
  					"<div class='fc-day-content'>" +
  					"<div style='position:relative'>&nbsp;</div>" +
  					"</div>" +
  					"</div>" +
  					"</td>";
  			}
  			s +=
  				"</tr>";
  		}
  		s +=
  			"</tbody>" +
  			"</table>";
  		table = $(s).appendTo(element);
  		
  		head = table.find('thead');
  		headCells = head.find('th');
  		body = table.find('tbody');
  		bodyRows = body.find('tr');
  		bodyCells = body.find('td');
  		bodyFirstCells = bodyCells.filter(':first-child');
  		bodyCellTopInners = bodyRows.eq(0).find('div.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'); // fc-last is done in updateCells
  		
  		dayBind(bodyCells);
  		
  		daySegmentContainer =
  			$("<div style='position:absolute;z-index:8;top:0;left:0'/>")
  				.appendTo(element);
  	}
  	
  	
  	
  	function updateCells(firstTime) {
  		var dowDirty = firstTime || rowCnt == 1; // could the cells' day-of-weeks need updating?
  		var month = t.start.getMonth();
  		var today = clearTime(new Date());
  		var cell;
  		var date;
  		var row;
  	
  		if (dowDirty) {
  			headCells.each(function(i, _cell) {
  				cell = $(_cell);
  				date = indexDate(i);
  				cell.html(formatDate(date, colFormat));
  				setDayID(cell, date);
  			});
  		}
  		
  		bodyCells.each(function(i, _cell) {
  			cell = $(_cell);
  			date = indexDate(i);
  			if (date.getMonth() == month) {
  				cell.removeClass('fc-other-month');
  			}else{
  				cell.addClass('fc-other-month');
  			}
  			if (+date == +today) {
  				cell.addClass(tm + '-state-highlight fc-today');
  			}else{
  				cell.removeClass(tm + '-state-highlight fc-today');
  			}
  			cell.find('div.fc-day-number').text(date.getDate());
  			if (dowDirty) {
  				setDayID(cell, date);
  			}
  		});
  		
  		bodyRows.each(function(i, _row) {
  			row = $(_row);
  			if (i < rowCnt) {
  				row.show();
  				if (i == rowCnt-1) {
  					row.addClass('fc-last');
  				}else{
  					row.removeClass('fc-last');
  				}
  			}else{
  				row.hide();
  			}
  		});
  	}
  	
  	
  	
  	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);
  				setMinHeight(
  					cell.find('> div'),
  					(i==rowCnt-1 ? rowHeightLast : rowHeight) - vsides(cell)
  				);
  			}
  		});
  		
  	}
  	
  	
  	function setWidth(width) {
  		viewWidth = width;
  		colContentPositions.clear();
  		colWidth = Math.floor(viewWidth / 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 index = parseInt(this.className.match(/fc\-day(\d+)/)[1]); // TODO: maybe use .data
  			var date = indexDate(index);
  			trigger('dayClick', this, date, true, ev);
  		}
  	}
  	
  	
  	
  	/* Semi-transparent Overlay Helpers
  	------------------------------------------------------*/
  	
  	
  	function renderDayOverlay(overlayStart, overlayEnd, refreshCoordinateGrid) { // overlayEnd is exclusive
  		if (refreshCoordinateGrid) {
  			coordinateGrid.build();
  		}
  		var rowStart = cloneDate(t.visStart);
  		var rowEnd = addDays(cloneDate(rowStart), colCnt);
  		for (var i=0; i<rowCnt; i++) {
  			var stretchStart = new Date(Math.max(rowStart, overlayStart));
  			var stretchEnd = new Date(Math.min(rowEnd, overlayEnd));
  			if (stretchStart < stretchEnd) {
  				var colStart, colEnd;
  				if (rtl) {
  					colStart = dayDiff(stretchEnd, rowStart)*dis+dit+1;
  					colEnd = dayDiff(stretchStart, rowStart)*dis+dit+1;
  				}else{
  					colStart = dayDiff(stretchStart, rowStart);
  					colEnd = dayDiff(stretchEnd, rowStart);
  				}
  				dayBind(
  					renderCellOverlay(i, colStart, i, colEnd-1)
  				);
  			}
  			addDays(rowStart, 7);
  			addDays(rowEnd, 7);
  		}
  	}
  	
  	
  	function renderCellOverlay(row0, col0, row1, col1) { // row1,col1 is inclusive
  		var rect = coordinateGrid.rect(row0, col0, row1, col1, element);
  		return renderOverlay(rect, element);
  	}
  	
  	
  	
  	/* Selection
  	-----------------------------------------------------------------------*/
  	
  	
  	function defaultSelectionEnd(startDate, allDay) {
  		return cloneDate(startDate);
  	}
  	
  	
  	function renderSelection(startDate, endDate, allDay) {
  		renderDayOverlay(startDate, addDays(cloneDate(endDate), 1), true); // rebuild every time???
  	}
  	
  	
  	function clearSelection() {
  		clearOverlays();
  	}
  	
  	
  	function reportDayClick(date, allDay, ev) {
  		var cell = dateCell(date);
  		var _element = bodyCells[cell.row*colCnt + cell.col];
  		trigger('dayClick', _element, date, allDay, ev);
  	}
  	
  	
  	
  	/* External Dragging
  	-----------------------------------------------------------------------*/
  	
  	
  	function dragStart(_dragElement, ev, ui) {
  		hoverListener.start(function(cell) {
  			clearOverlays();
  			if (cell) {
  				renderCellOverlay(cell.row, cell.col, cell.row, cell.col);
  			}
  		}, ev);
  	}
  	
  	
  	function dragStop(_dragElement, ev, ui) {
  		var cell = hoverListener.stop();
  		clearOverlays();
  		if (cell) {
  			var d = cellDate(cell);
  			trigger('drop', _dragElement, d, true, ev, ui);
  		}
  	}
  	
  	
  	
  	/* Utilities
  	--------------------------------------------------------*/
  	
  	
  	function defaultEventEnd(event) {
  		return cloneDate(event.start);
  	}
  	
  	
  	coordinateGrid = new CoordinateGrid(function(rows, cols) {
  		var e, n, p;
  		headCells.each(function(i, _e) {
  			e = $(_e);
  			n = e.offset().left;
  			if (i) {
  				p[1] = n;
  			}
  			p = [n];
  			cols[i] = p;
  		});
  		p[1] = n + e.outerWidth();
  		bodyRows.each(function(i, _e) {
  			if (i < rowCnt) {
  				e = $(_e);
  				n = e.offset().top;
  				if (i) {
  					p[1] = n;
  				}
  				p = [n];
  				rows[i] = p;
  			}
  		});
  		p[1] = n + e.outerHeight();
  	});
  	
  	
  	hoverListener = new HoverListener(coordinateGrid);
  	
  	
  	colContentPositions = new HorizontalPositionCache(function(col) {
  		return bodyCellTopInners.eq(col);
  	});
  	
  	
  	function colContentLeft(col) {
  		return colContentPositions.left(col);
  	}
  	
  	
  	function colContentRight(col) {
  		return colContentPositions.right(col);
  	}
  	
  	
  	
  	
  	function dateCell(date) {
  		return {
  			row: Math.floor(dayDiff(date, t.visStart) / 7),
  			col: dayOfWeekCol(date.getDay())
  		};
  	}
  	
  	
  	function cellDate(cell) {
  		return _cellDate(cell.row, cell.col);
  	}
  	
  	
  	function _cellDate(row, col) {
  		return addDays(cloneDate(t.visStart), row*7 + col*dis+dit);
  		// what about weekends in middle of week?
  	}
  	
  	
  	function indexDate(index) {
  		return _cellDate(Math.floor(index/colCnt), index%colCnt);
  	}
  	
  	
  	function dayOfWeekCol(dayOfWeek) {
  		return ((dayOfWeek - Math.max(firstDay, nwe) + colCnt) % colCnt) * dis + dit;
  	}
  	
  	
  	
  	
  	function allDayRow(i) {
  		return bodyRows.eq(i);
  	}
  	
  	
  	function allDayBounds(i) {
  		return {
  			left: 0,
  			right: viewWidth
  		};
  	}
  	
  	
  }
  
  function BasicEventRenderer() {
  	var t = this;
  	
  	
  	// exports
  	t.renderEvents = renderEvents;
  	t.compileDaySegs = compileSegs; // for DayEventRenderer
  	t.clearEvents = clearEvents;
  	t.bindDaySeg = bindDaySeg;
  	
  	
  	// imports
  	DayEventRenderer.call(t);
  	var opt = t.opt;
  	var trigger = t.trigger;
  	//var setOverflowHidden = t.setOverflowHidden;
  	var isEventDraggable = t.isEventDraggable;
  	var isEventResizable = t.isEventResizable;
  	var reportEvents = t.reportEvents;
  	var reportEventClear = t.reportEventClear;
  	var eventElementHandlers = t.eventElementHandlers;
  	var showEvents = t.showEvents;
  	var hideEvents = t.hideEvents;
  	var eventDrop = t.eventDrop;
  	var getDaySegmentContainer = t.getDaySegmentContainer;
  	var getHoverListener = t.getHoverListener;
  	var renderDayOverlay = t.renderDayOverlay;
  	var clearOverlays = t.clearOverlays;
  	var getRowCnt = t.getRowCnt;
  	var getColCnt = t.getColCnt;
  	var renderDaySegs = t.renderDaySegs;
  	var resizableDayEvent = t.resizableDayEvent;
  	
  	
  	
  	/* Rendering
  	--------------------------------------------------------------------*/
  	
  	
  	function renderEvents(events, modifiedEventId) {
  		reportEvents(events);
  		renderDaySegs(compileSegs(events), modifiedEventId);
  	}
  	
  	
  	function clearEvents() {
  		reportEventClear();
  		getDaySegmentContainer().empty();
  	}
  	
  	
  	function compileSegs(events) {
  		var rowCnt = getRowCnt(),
  			colCnt = getColCnt(),
  			d1 = cloneDate(t.visStart),
  			d2 = addDays(cloneDate(d1), colCnt),
  			visEventsEnds = $.map(events, exclEndDay),
  			i, row,
  			j, level,
  			k, seg,
  			segs=[];
  		for (i=0; i<rowCnt; i++) {
  			row = stackSegs(sliceSegs(events, visEventsEnds, d1, d2));
  			for (j=0; j<row.length; j++) {
  				level = row[j];
  				for (k=0; k<level.length; k++) {
  					seg = level[k];
  					seg.row = i;
  					seg.level = j; // not needed anymore
  					segs.push(seg);
  				}
  			}
  			addDays(d1, 7);
  			addDays(d2, 7);
  		}
  		return segs;
  	}
  	
  	
  	function bindDaySeg(event, eventElement, seg) {
  		if (isEventDraggable(event)) {
  			draggableDayEvent(event, eventElement);
  		}
  		if (seg.isEnd && isEventResizable(event)) {
  			resizableDayEvent(event, eventElement, seg);
  		}
  		eventElementHandlers(event, eventElement);
  			// needs to be after, because resizableDayEvent might stopImmediatePropagation on click
  	}
  	
  	
  	
  	/* Dragging
  	----------------------------------------------------------------------------*/
  	
  	
  	function draggableDayEvent(event, eventElement) {
  		var hoverListener = getHoverListener();
  		var dayDelta;
  		eventElement.draggable({
  			zIndex: 9,
  			delay: 50,
  			opacity: opt('dragOpacity'),
  			revertDuration: opt('dragRevertDuration'),
  			start: function(ev, ui) {
  				trigger('eventDragStart', eventElement, event, ev, ui);
  				hideEvents(event, eventElement);
  				hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
  					eventElement.draggable('option', 'revert', !cell || !rowDelta && !colDelta);
  					clearOverlays();
  					if (cell) {
  						//setOverflowHidden(true);
  						dayDelta = rowDelta*7 + colDelta * (opt('isRTL') ? -1 : 1);
  						renderDayOverlay(
  							addDays(cloneDate(event.start), dayDelta),
  							addDays(exclEndDay(event), dayDelta)
  						);
  					}else{
  						//setOverflowHidden(false);
  						dayDelta = 0;
  					}
  				}, ev, 'drag');
  			},
  			stop: function(ev, ui) {
  				hoverListener.stop();
  				clearOverlays();
  				trigger('eventDragStop', eventElement, event, ev, ui);
  				if (dayDelta) {
  					eventDrop(this, event, dayDelta, 0, event.allDay, ev, ui);
  				}else{
  					eventElement.css('filter', ''); // clear IE opacity side-effects
  					showEvents(event, eventElement);
  				}
  				//setOverflowHidden(false);
  			}
  		});
  	}
  
  
  }
  
  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 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);
  		var visEnd = cloneDate(end);
  		var weekends = opt('weekends');
  		if (!weekends) {
  			skipWeekend(visStart);
  			skipWeekend(visEnd, -1, true);
  		}
  		t.title = formatDates(
  			visStart,
  			addDays(cloneDate(visEnd), -1),
  			opt('titleFormat')
  		);
  		t.start = start;
  		t.end = end;
  		t.visStart = visStart;
  		t.visEnd = visEnd;
  		renderAgenda(weekends ? 7 : 5);
  	}
  	
  
  }
  
  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 formatDate = calendar.formatDate;
  	
  	
  	
  	function render(date, delta) {
  		if (delta) {
  			addDays(date, delta);
  			if (!opt('weekends')) {
  				skipWeekend(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
  });
  
  
  // TODO: make it work in quirks mode (event corners, all-day height)
  // TODO: test liquid width, especially in IE6
  
  
  function AgendaView(element, calendar, viewName) {
  	var t = this;
  	
  	
  	// exports
  	t.renderAgenda = renderAgenda;
  	t.setWidth = setWidth;
  	t.setHeight = setHeight;
  	t.beforeHide = beforeHide;
  	t.afterShow = afterShow;
  	t.defaultEventEnd = defaultEventEnd;
  	t.timePosition = timePosition;
  	t.dayOfWeekCol = dayOfWeekCol;
  	t.dateCell = dateCell;
  	t.cellDate = cellDate;
  	t.cellIsAllDay = cellIsAllDay;
  	t.allDayRow = getAllDayRow;
  	t.allDayBounds = allDayBounds;
  	t.getHoverListener = function() { return hoverListener };
  	t.colContentLeft = colContentLeft;
  	t.colContentRight = colContentRight;
  	t.getDaySegmentContainer = function() { return daySegmentContainer };
  	t.getSlotSegmentContainer = function() { return slotSegmentContainer };
  	t.getMinMinute = function() { return minMinute };
  	t.getMaxMinute = function() { return maxMinute };
  	t.getBodyContent = function() { return slotContent }; // !!??
  	t.getRowCnt = function() { return 1 };
  	t.getColCnt = function() { return colCnt };
  	t.getColWidth = function() { return colWidth };
  	t.getSlotHeight = function() { return slotHeight };
  	t.defaultSelectionEnd = defaultSelectionEnd;
  	t.renderDayOverlay = renderDayOverlay;
  	t.renderSelection = renderSelection;
  	t.clearSelection = clearSelection;
  	t.reportDayClick = reportDayClick; // selection mousedown hack
  	t.dragStart = dragStart;
  	t.dragStop = dragStop;
  	
  	
  	// imports
  	View.call(t, element, calendar, viewName);
  	OverlayManager.call(t);
  	SelectionManager.call(t);
  	AgendaEventRenderer.call(t);
  	var opt = t.opt;
  	var trigger = t.trigger;
  	var clearEvents = t.clearEvents;
  	var renderOverlay = t.renderOverlay;
  	var clearOverlays = t.clearOverlays;
  	var reportSelection = t.reportSelection;
  	var unselect = t.unselect;
  	var daySelectionMousedown = t.daySelectionMousedown;
  	var slotSegHtml = t.slotSegHtml;
  	var formatDate = calendar.formatDate;
  	
  	
  	// locals
  	
  	var dayTable;
  	var dayHead;
  	var dayHeadCells;
  	var dayBody;
  	var dayBodyCells;
  	var dayBodyCellInners;
  	var dayBodyFirstCell;
  	var dayBodyFirstCellStretcher;
  	var slotLayer;
  	var daySegmentContainer;
  	var allDayTable;
  	var allDayRow;
  	var slotScroller;
  	var slotContent;
  	var slotSegmentContainer;
  	var slotTable;
  	var slotTableFirstInner;
  	var axisFirstCells;
  	var gutterCells;
  	var selectionHelper;
  	
  	var viewWidth;
  	var viewHeight;
  	var axisWidth;
  	var colWidth;
  	var gutterWidth;
  	var slotHeight; // TODO: what if slotHeight changes? (see issue 650)
  	var savedScrollTop;
  	
  	var colCnt;
  	var slotCnt;
  	var coordinateGrid;
  	var hoverListener;
  	var colContentPositions;
  	var slotTopCache = {};
  	
  	var tm;
  	var firstDay;
  	var nwe;            // no weekends (int)
  	var rtl, dis, dit;  // day index sign / translate
  	var minMinute, maxMinute;
  	var colFormat;
  	
  
  	
  	/* Rendering
  	-----------------------------------------------------------------------------*/
  	
  	
  	disableTextSelection(element.addClass('fc-agenda'));
  	
  	
  	function renderAgenda(c) {
  		colCnt = c;
  		updateOptions();
  		if (!dayTable) {
  			buildSkeleton();
  		}else{
  			clearEvents();
  		}
  		updateCells();
  	}
  	
  	
  	
  	function updateOptions() {
  		tm = opt('theme') ? 'ui' : 'fc';
  		nwe = opt('weekends') ? 0 : 1;
  		firstDay = opt('firstDay');
  		if (rtl = opt('isRTL')) {
  			dis = -1;
  			dit = colCnt - 1;
  		}else{
  			dis = 1;
  			dit = 0;
  		}
  		minMinute = parseTime(opt('minTime'));
  		maxMinute = parseTime(opt('maxTime'));
  		colFormat = opt('columnFormat');
  	}
  	
  	
  	
  	function buildSkeleton() {
  		var headerClass = tm + "-widget-header";
  		var contentClass = tm + "-widget-content";
  		var s;
  		var i;
  		var d;
  		var maxd;
  		var minutes;
  		var slotNormal = opt('slotMinutes') % 15 == 0;
  		
  		s =
  			"<table style='width:100%' class='fc-agenda-days fc-border-separate' cellspacing='0'>" +
  			"<thead>" +
  			"<tr>" +
  			"<th class='fc-agenda-axis " + headerClass + "'>&nbsp;</th>";
  		for (i=0; i<colCnt; i++) {
  			s +=
  				"<th class='fc- fc-col" + i + ' ' + headerClass + "'/>"; // fc- needed for setDayID
  		}
  		s +=
  			"<th class='fc-agenda-gutter " + headerClass + "'>&nbsp;</th>" +
  			"</tr>" +
  			"</thead>" +
  			"<tbody>" +
  			"<tr>" +
  			"<th class='fc-agenda-axis " + headerClass + "'>&nbsp;</th>";
  		for (i=0; i<colCnt; i++) {
  			s +=
  				"<td class='fc- fc-col" + i + ' ' + contentClass + "'>" + // fc- needed for setDayID
  				"<div>" +
  				"<div class='fc-day-content'>" +
  				"<div style='position:relative'>&nbsp;</div>" +
  				"</div>" +
  				"</div>" +
  				"</td>";
  		}
  		s +=
  			"<td class='fc-agenda-gutter " + contentClass + "'>&nbsp;</td>" +
  			"</tr>" +
  			"</tbody>" +
  			"</table>";
  		dayTable = $(s).appendTo(element);
  		dayHead = dayTable.find('thead');
  		dayHeadCells = dayHead.find('th').slice(1, -1);
  		dayBody = dayTable.find('tbody');
  		dayBodyCells = dayBody.find('td').slice(0, -1);
  		dayBodyCellInners = dayBodyCells.find('div.fc-day-content div');
  		dayBodyFirstCell = dayBodyCells.eq(0);
  		dayBodyFirstCellStretcher = dayBodyFirstCell.find('> div');
  		
  		markFirstLast(dayHead.add(dayHead.find('tr')));
  		markFirstLast(dayBody.add(dayBody.find('tr')));
  		
  		axisFirstCells = dayHead.find('th:first');
  		gutterCells = dayTable.find('.fc-agenda-gutter');
  		
  		slotLayer =
  			$("<div style='position:absolute;z-index:2;left:0;width:100%'/>")
  				.appendTo(element);
  				
  		if (opt('allDaySlot')) {
  		
  			daySegmentContainer =
  				$("<div style='position:absolute;z-index:8;top:0;left:0'/>")
  					.appendTo(slotLayer);
  		
  			s =
  				"<table style='width:100%' class='fc-agenda-allday' cellspacing='0'>" +
  				"<tr>" +
  				"<th class='" + headerClass + " fc-agenda-axis'>" + opt('allDayText') + "</th>" +
  				"<td>" +
  				"<div class='fc-day-content'><div style='position:relative'/></div>" +
  				"</td>" +
  				"<th class='" + headerClass + " fc-agenda-gutter'>&nbsp;</th>" +
  				"</tr>" +
  				"</table>";
  			allDayTable = $(s).appendTo(slotLayer);
  			allDayRow = allDayTable.find('tr');
  			
  			dayBind(allDayRow.find('td'));
  			
  			axisFirstCells = axisFirstCells.add(allDayTable.find('th:first'));
  			gutterCells = gutterCells.add(allDayTable.find('th.fc-agenda-gutter'));
  			
  			slotLayer.append(
  				"<div class='fc-agenda-divider " + headerClass + "'>" +
  				"<div class='fc-agenda-divider-inner'/>" +
  				"</div>"
  			);
  			
  		}else{
  		
  			daySegmentContainer = $([]); // in jQuery 1.4, we can just do $()
  		
  		}
  		
  		slotScroller =
  			$("<div style='position:absolute;width:100%;overflow-x:hidden;overflow-y:auto'/>")
  				.appendTo(slotLayer);
  				
  		slotContent =
  			$("<div style='position:relative;width:100%;overflow:hidden'/>")
  				.appendTo(slotScroller);
  				
  		slotSegmentContainer =
  			$("<div style='position:absolute;z-index:8;top:0;left:0'/>")
  				.appendTo(slotContent);
  		
  		s =
  			"<table class='fc-agenda-slots' style='width:100%' cellspacing='0'>" +
  			"<tbody>";
  		d = zeroDate();
  		maxd = addMinutes(cloneDate(d), maxMinute);
  		addMinutes(d, minMinute);
  		slotCnt = 0;
  		for (i=0; d < maxd; i++) {
  			minutes = d.getMinutes();
  			s +=
  				"<tr class='fc-slot" + i + ' ' + (!minutes ? '' : 'fc-minor') + "'>" +
  				"<th class='fc-agenda-axis " + headerClass + "'>" +
  				((!slotNormal || !minutes) ? formatDate(d, opt('axisFormat')) : '&nbsp;') +
  				"</th>" +
  				"<td class='" + contentClass + "'>" +
  				"<div style='position:relative'>&nbsp;</div>" +
  				"</td>" +
  				"</tr>";
  			addMinutes(d, opt('slotMinutes'));
  			slotCnt++;
  		}
  		s +=
  			"</tbody>" +
  			"</table>";
  		slotTable = $(s).appendTo(slotContent);
  		slotTableFirstInner = slotTable.find('div:first');
  		
  		slotBind(slotTable.find('td'));
  		
  		axisFirstCells = axisFirstCells.add(slotTable.find('th:first'));
  	}
  	
  	
  	
  	function updateCells() {
  		var i;
  		var headCell;
  		var bodyCell;
  		var date;
  		var today = clearTime(new Date());
  		for (i=0; i<colCnt; i++) {
  			date = colDate(i);
  			headCell = dayHeadCells.eq(i);
  			headCell.html(formatDate(date, colFormat));
  			bodyCell = dayBodyCells.eq(i);
  			if (+date == +today) {
  				bodyCell.addClass(tm + '-state-highlight fc-today');
  			}else{
  				bodyCell.removeClass(tm + '-state-highlight fc-today');
  			}
  			setDayID(headCell.add(bodyCell), date);
  		}
  	}
  	
  	
  	
  	function setHeight(height, dateChanged) {
  		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);
  		
  		slotHeight = slotTableFirstInner.height() + 1; // +1 for border
  		
  		if (dateChanged) {
  			resetScroll();
  		}
  	}
  	
  	
  	
  	function setWidth(width) {
  		viewWidth = width;
  		colContentPositions.clear();
  		
  		axisWidth = 0;
  		setOuterWidth(
  			axisFirstCells
  				.width('')
  				.each(function(i, _cell) {
  					axisWidth = Math.max(axisWidth, $(_cell).outerWidth());
  				}),
  			axisWidth
  		);
  		
  		var slotTableWidth = slotScroller[0].clientWidth; // needs to be done after axisWidth (for IE7)
  		//slotTable.width(slotTableWidth);
  		
  		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);
  	}
  	
  
  
  	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 beforeHide() {
  		savedScrollTop = slotScroller.scrollTop();
  	}
  	
  	
  	function afterShow() {
  		slotScroller.scrollTop(savedScrollTop);
  	}
  	
  	
  	
  	/* Slot/Day clicking and binding
  	-----------------------------------------------------------------------*/
  	
  
  	function dayBind(cells) {
  		cells.click(slotClick)
  			.mousedown(daySelectionMousedown);
  	}
  
  
  	function slotBind(cells) {
  		cells.click(slotClick)
  			.mousedown(slotSelectionMousedown);
  	}
  	
  	
  	function slotClick(ev) {
  		if (!opt('selectable')) { // if selectable, SelectionManager will worry about dayClick
  			var col = Math.min(colCnt-1, Math.floor((ev.pageX - dayTable.offset().left - axisWidth) / colWidth));
  			var date = colDate(col);
  			var rowMatch = this.parentNode.className.match(/fc-slot(\d+)/); // TODO: maybe use data
  			if (rowMatch) {
  				var mins = parseInt(rowMatch[1]) * opt('slotMinutes');
  				var hours = Math.floor(mins/60);
  				date.setHours(hours);
  				date.setMinutes(mins%60 + minMinute);
  				trigger('dayClick', dayBodyCells[col], date, false, ev);
  			}else{
  				trigger('dayClick', dayBodyCells[col], date, true, ev);
  			}
  		}
  	}
  	
  	
  	
  	/* Semi-transparent Overlay Helpers
  	-----------------------------------------------------*/
  	
  
  	function renderDayOverlay(startDate, endDate, refreshCoordinateGrid) { // endDate is exclusive
  		if (refreshCoordinateGrid) {
  			coordinateGrid.build();
  		}
  		var visStart = cloneDate(t.visStart);
  		var startCol, endCol;
  		if (rtl) {
  			startCol = dayDiff(endDate, visStart)*dis+dit+1;
  			endCol = dayDiff(startDate, visStart)*dis+dit+1;
  		}else{
  			startCol = dayDiff(startDate, visStart);
  			endCol = dayDiff(endDate, visStart);
  		}
  		startCol = Math.max(0, startCol);
  		endCol = Math.min(colCnt, endCol);
  		if (startCol < endCol) {
  			dayBind(
  				renderCellOverlay(0, startCol, 0, endCol-1)
  			);
  		}
  	}
  	
  	
  	function renderCellOverlay(row0, col0, row1, col1) { // only for all-day?
  		var rect = coordinateGrid.rect(row0, col0, row1, col1, slotLayer);
  		return renderOverlay(rect, slotLayer);
  	}
  	
  
  	function renderSlotOverlay(overlayStart, overlayEnd) {
  		var dayStart = cloneDate(t.visStart);
  		var dayEnd = addDays(cloneDate(dayStart), 1);
  		for (var i=0; i<colCnt; i++) {
  			var stretchStart = new Date(Math.max(dayStart, overlayStart));
  			var stretchEnd = new Date(Math.min(dayEnd, overlayEnd));
  			if (stretchStart < stretchEnd) {
  				var col = i*dis+dit;
  				var rect = coordinateGrid.rect(0, col, 0, col, slotContent); // only use it for horizontal coords
  				var top = timePosition(dayStart, stretchStart);
  				var bottom = timePosition(dayStart, stretchEnd);
  				rect.top = top;
  				rect.height = bottom - top;
  				slotBind(
  					renderOverlay(rect, slotContent)
  				);
  			}
  			addDays(dayStart, 1);
  			addDays(dayEnd, 1);
  		}
  	}
  	
  	
  	
  	/* Coordinate Utilities
  	-----------------------------------------------------------------------------*/
  	
  	
  	coordinateGrid = new CoordinateGrid(function(rows, cols) {
  		var e, n, p;
  		dayHeadCells.each(function(i, _e) {
  			e = $(_e);
  			n = e.offset().left;
  			if (i) {
  				p[1] = n;
  			}
  			p = [n];
  			cols[i] = p;
  		});
  		p[1] = n + e.outerWidth();
  		if (opt('allDaySlot')) {
  			e = allDayRow;
  			n = e.offset().top;
  			rows[0] = [n, n+e.outerHeight()];
  		}
  		var slotTableTop = slotContent.offset().top;
  		var slotScrollerTop = slotScroller.offset().top;
  		var slotScrollerBottom = slotScrollerTop + slotScroller.outerHeight();
  		function constrain(n) {
  			return Math.max(slotScrollerTop, Math.min(slotScrollerBottom, n));
  		}
  		for (var i=0; i<slotCnt; i++) {
  			rows.push([
  				constrain(slotTableTop + slotHeight*i),
  				constrain(slotTableTop + slotHeight*(i+1))
  			]);
  		}
  	});
  	
  	
  	hoverListener = new HoverListener(coordinateGrid);
  	
  	
  	colContentPositions = new HorizontalPositionCache(function(col) {
  		return dayBodyCellInners.eq(col);
  	});
  	
  	
  	function colContentLeft(col) {
  		return colContentPositions.left(col);
  	}
  	
  	
  	function colContentRight(col) {
  		return colContentPositions.right(col);
  	}
  	
  	
  	
  	
  	function dateCell(date) { // "cell" terminology is now confusing
  		return {
  			row: Math.floor(dayDiff(date, t.visStart) / 7),
  			col: dayOfWeekCol(date.getDay())
  		};
  	}
  	
  	
  	function cellDate(cell) {
  		var d = colDate(cell.col);
  		var slotIndex = cell.row;
  		if (opt('allDaySlot')) {
  			slotIndex--;
  		}
  		if (slotIndex >= 0) {
  			addMinutes(d, minMinute + slotIndex * opt('slotMinutes'));
  		}
  		return d;
  	}
  	
  	
  	function colDate(col) { // returns dates with 00:00:00
  		return addDays(cloneDate(t.visStart), col*dis+dit);
  	}
  	
  	
  	function cellIsAllDay(cell) {
  		return opt('allDaySlot') && !cell.row;
  	}
  	
  	
  	function dayOfWeekCol(dayOfWeek) {
  		return ((dayOfWeek - Math.max(firstDay, nwe) + colCnt) % colCnt)*dis+dit;
  	}
  	
  	
  	
  	
  	// get the Y coordinate of the given time on the given day (both Date objects)
  	function timePosition(day, time) { // both date objects. day holds 00:00 of current day
  		day = cloneDate(day, true);
  		if (time < addMinutes(cloneDate(day), minMinute)) {
  			return 0;
  		}
  		if (time >= addMinutes(cloneDate(day), maxMinute)) {
  			return slotTable.height();
  		}
  		var slotMinutes = opt('slotMinutes'),
  			minutes = time.getHours()*60 + time.getMinutes() - minMinute,
  			slotI = Math.floor(minutes / slotMinutes),
  			slotTop = slotTopCache[slotI];
  		if (slotTop === undefined) {
  			slotTop = slotTopCache[slotI] = slotTable.find('tr:eq(' + slotI + ') td div')[0].offsetTop; //.position().top; // need this optimization???
  		}
  		return Math.max(0, Math.round(
  			slotTop - 1 + slotHeight * ((minutes % slotMinutes) / slotMinutes)
  		));
  	}
  	
  	
  	function allDayBounds() {
  		return {
  			left: axisWidth,
  			right: viewWidth - gutterWidth
  		}
  	}
  	
  	
  	function getAllDayRow(index) {
  		return allDayRow;
  	}
  	
  	
  	function defaultEventEnd(event) {
  		var start = cloneDate(event.start);
  		if (event.allDay) {
  			return start;
  		}
  		return addMinutes(start, opt('defaultEventMinutes'));
  	}
  	
  	
  	
  	/* Selection
  	---------------------------------------------------------------------------------*/
  	
  	
  	function defaultSelectionEnd(startDate, allDay) {
  		if (allDay) {
  			return cloneDate(startDate);
  		}
  		return addMinutes(cloneDate(startDate), opt('slotMinutes'));
  	}
  	
  	
  	function renderSelection(startDate, endDate, allDay) { // only for all-day
  		if (allDay) {
  			if (opt('allDaySlot')) {
  				renderDayOverlay(startDate, addDays(cloneDate(endDate), 1), true);
  			}
  		}else{
  			renderSlotSelection(startDate, endDate);
  		}
  	}
  	
  	
  	function renderSlotSelection(startDate, endDate) {
  		var helperOption = opt('selectHelper');
  		coordinateGrid.build();
  		if (helperOption) {
  			var col = dayDiff(startDate, t.visStart) * dis + dit;
  			if (col >= 0 && col < colCnt) { // only works when times are on same day
  				var rect = coordinateGrid.rect(0, col, 0, col, slotContent); // only for horizontal coords
  				var top = timePosition(startDate, startDate);
  				var bottom = timePosition(startDate, endDate);
  				if (bottom > top) { // protect against selections that are entirely before or after visible range
  					rect.top = top;
  					rect.height = bottom - top;
  					rect.left += 2;
  					rect.width -= 5;
  					if ($.isFunction(helperOption)) {
  						var helperRes = helperOption(startDate, endDate);
  						if (helperRes) {
  							rect.position = 'absolute';
  							rect.zIndex = 8;
  							selectionHelper = $(helperRes)
  								.css(rect)
  								.appendTo(slotContent);
  						}
  					}else{
  						rect.isStart = true; // conside rect a "seg" now
  						rect.isEnd = true;   //
  						selectionHelper = $(slotSegHtml(
  							{
  								title: '',
  								start: startDate,
  								end: endDate,
  								className: ['fc-select-helper'],
  								editable: false
  							},
  							rect
  						));
  						selectionHelper.css('opacity', opt('dragOpacity'));
  					}
  					if (selectionHelper) {
  						slotBind(selectionHelper);
  						slotContent.append(selectionHelper);
  						setOuterWidth(selectionHelper, rect.width, true); // needs to be after appended
  						setOuterHeight(selectionHelper, rect.height, true);
  					}
  				}
  			}
  		}else{
  			renderSlotOverlay(startDate, endDate);
  		}
  	}
  	
  	
  	function clearSelection() {
  		clearOverlays();
  		if (selectionHelper) {
  			selectionHelper.remove();
  			selectionHelper = null;
  		}
  	}
  	
  	
  	function slotSelectionMousedown(ev) {
  		if (ev.which == 1 && opt('selectable')) { // ev.which==1 means left mouse button
  			unselect(ev);
  			var dates;
  			hoverListener.start(function(cell, origCell) {
  				clearSelection();
  				if (cell && cell.col == origCell.col && !cellIsAllDay(cell)) {
  					var d1 = cellDate(origCell);
  					var d2 = cellDate(cell);
  					dates = [
  						d1,
  						addMinutes(cloneDate(d1), opt('slotMinutes')),
  						d2,
  						addMinutes(cloneDate(d2), opt('slotMinutes'))
  					].sort(cmp);
  					renderSlotSelection(dates[0], dates[3]);
  				}else{
  					dates = null;
  				}
  			}, ev);
  			$(document).one('mouseup', function(ev) {
  				hoverListener.stop();
  				if (dates) {
  					if (+dates[0] == +dates[1]) {
  						reportDayClick(dates[0], false, ev);
  					}
  					reportSelection(dates[0], dates[3], false, ev);
  				}
  			});
  		}
  	}
  	
  	
  	function reportDayClick(date, allDay, ev) {
  		trigger('dayClick', dayBodyCells[dayOfWeekCol(date.getDay())], date, allDay, ev);
  	}
  	
  	
  	
  	/* External Dragging
  	--------------------------------------------------------------------------------*/
  	
  	
  	function dragStart(_dragElement, ev, ui) {
  		hoverListener.start(function(cell) {
  			clearOverlays();
  			if (cell) {
  				if (cellIsAllDay(cell)) {
  					renderCellOverlay(cell.row, cell.col, cell.row, cell.col);
  				}else{
  					var d1 = cellDate(cell);
  					var d2 = addMinutes(cloneDate(d1), opt('defaultEventMinutes'));
  					renderSlotOverlay(d1, d2);
  				}
  			}
  		}, ev);
  	}
  	
  	
  	function dragStop(_dragElement, ev, ui) {
  		var cell = hoverListener.stop();
  		clearOverlays();
  		if (cell) {
  			trigger('drop', _dragElement, cellDate(cell), cellIsAllDay(cell), ev, ui);
  		}
  	}
  
  
  }
  
  function AgendaEventRenderer() {
  	var t = this;
  	
  	
  	// exports
  	t.renderEvents = renderEvents;
  	t.compileDaySegs = compileDaySegs; // for DayEventRenderer
  	t.clearEvents = clearEvents;
  	t.slotSegHtml = slotSegHtml;
  	t.bindDaySeg = bindDaySeg;
  	
  	
  	// imports
  	DayEventRenderer.call(t);
  	var opt = t.opt;
  	var trigger = t.trigger;
  	//var setOverflowHidden = t.setOverflowHidden;
  	var isEventDraggable = t.isEventDraggable;
  	var isEventResizable = t.isEventResizable;
  	var eventEnd = t.eventEnd;
  	var reportEvents = t.reportEvents;
  	var reportEventClear = t.reportEventClear;
  	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 colContentLeft = t.colContentLeft;
  	var colContentRight = t.colContentRight;
  	var renderDaySegs = t.renderDaySegs;
  	var resizableDayEvent = t.resizableDayEvent; // TODO: streamline binding architecture
  	var getColCnt = t.getColCnt;
  	var getColWidth = t.getColWidth;
  	var getSlotHeight = t.getSlotHeight;
  	var getBodyContent = t.getBodyContent;
  	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 calendar = t.calendar;
  	var formatDate = calendar.formatDate;
  	var formatDates = calendar.formatDates;
  	
  	
  	
  	/* Rendering
  	----------------------------------------------------------------------------*/
  	
  
  	function renderEvents(events, modifiedEventId) {
  		reportEvents(events);
  		var i, len=events.length,
  			dayEvents=[],
  			slotEvents=[];
  		for (i=0; i<len; i++) {
  			if (events[i].allDay) {
  				dayEvents.push(events[i]);
  			}else{
  				slotEvents.push(events[i]);
  			}
  		}
  		if (opt('allDaySlot')) {
  			renderDaySegs(compileDaySegs(dayEvents), modifiedEventId);
  			setHeight(); // no params means set to viewHeight
  		}
  		renderSlotSegs(compileSlotSegs(slotEvents), modifiedEventId);
  	}
  	
  	
  	function clearEvents() {
  		reportEventClear();
  		getDaySegmentContainer().empty();
  		getSlotSegmentContainer().empty();
  	}
  	
  	
  	function compileDaySegs(events) {
  		var levels = stackSegs(sliceSegs(events, $.map(events, exclEndDay), t.visStart, t.visEnd)),
  			i, levelCnt=levels.length, level,
  			j, seg,
  			segs=[];
  		for (i=0; i<levelCnt; i++) {
  			level = levels[i];
  			for (j=0; j<level.length; j++) {
  				seg = level[j];
  				seg.row = 0;
  				seg.level = i; // not needed anymore
  				segs.push(seg);
  			}
  		}
  		return segs;
  	}
  	
  	
  	function compileSlotSegs(events) {
  		var colCnt = getColCnt(),
  			minMinute = getMinMinute(),
  			maxMinute = getMaxMinute(),
  			d = addMinutes(cloneDate(t.visStart), minMinute),
  			visEventEnds = $.map(events, slotEventEnd),
  			i, col,
  			j, level,
  			k, seg,
  			segs=[];
  		for (i=0; i<colCnt; i++) {
  			col = stackSegs(sliceSegs(events, visEventEnds, d, addMinutes(cloneDate(d), maxMinute-minMinute)));
  			countForwardSegs(col);
  			for (j=0; j<col.length; j++) {
  				level = col[j];
  				for (k=0; k<level.length; k++) {
  					seg = level[k];
  					seg.col = i;
  					seg.level = j;
  					segs.push(seg);
  				}
  			}
  			addDays(d, 1, true);
  		}
  		return segs;
  	}
  	
  	
  	function slotEventEnd(event) {
  		if (event.end) {
  			return cloneDate(event.end);
  		}else{
  			return addMinutes(cloneDate(event.start), opt('defaultEventMinutes'));
  		}
  	}
  	
  	
  	// renders events in the 'time slots' at the bottom
  	
  	function renderSlotSegs(segs, modifiedEventId) {
  	
  		var i, segCnt=segs.length, seg,
  			event,
  			classes,
  			top, bottom,
  			colI, levelI, forward,
  			leftmost,
  			availWidth,
  			outerWidth,
  			left,
  			html='',
  			eventElements,
  			eventElement,
  			triggerRes,
  			vsideCache={},
  			hsideCache={},
  			key, val,
  			contentElement,
  			height,
  			slotSegmentContainer = getSlotSegmentContainer(),
  			rtl, dis, dit,
  			colCnt = getColCnt();
  			
  		if (rtl = opt('isRTL')) {
  			dis = -1;
  			dit = colCnt - 1;
  		}else{
  			dis = 1;
  			dit = 0;
  		}
  			
  		// calculate position/dimensions, create html
  		for (i=0; i<segCnt; i++) {
  			seg = segs[i];
  			event = seg.event;
  			top = timePosition(seg.start, seg.start);
  			bottom = timePosition(seg.start, seg.end);
  			colI = seg.col;
  			levelI = seg.level;
  			forward = seg.forward || 0;
  			leftmost = colContentLeft(colI*dis + dit);
  			availWidth = colContentRight(colI*dis + dit) - leftmost;
  			availWidth = Math.min(availWidth-6, availWidth*.95); // TODO: move this to CSS
  			if (levelI) {
  				// indented and thin
  				outerWidth = availWidth / (levelI + forward + 1);
  			}else{
  				if (forward) {
  					// moderately wide, aligned left still
  					outerWidth = ((availWidth / (forward + 1)) - (12/2)) * 2; // 12 is the predicted width of resizer =
  				}else{
  					// can be entire width, aligned left
  					outerWidth = availWidth;
  				}
  			}
  			left = leftmost +                                  // leftmost possible
  				(availWidth / (levelI + forward + 1) * levelI) // indentation
  				* dis + (rtl ? availWidth - outerWidth : 0);   // rtl
  			seg.top = top;
  			seg.left = left;
  			seg.outerWidth = outerWidth;
  			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) {
  				val = vsideCache[key = seg.key = cssKey(eventElement[0])];
  				seg.vsides = val === undefined ? (vsideCache[key] = vsides(eventElement, true)) : val;
  				val = hsideCache[key];
  				seg.hsides = val === undefined ? (hsideCache[key] = hsides(eventElement, true)) : val;
  				contentElement = eventElement.find('div.fc-event-content');
  				if (contentElement.length) {
  					seg.contentTop = contentElement[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 header
  					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 skinCssAttr = (skinCss ? " style='" + skinCss + "'" : '');
  		var classes = ['fc-event', 'fc-event-skin', 'fc-event-vert'];
  		if (isEventDraggable(event)) {
  			classes.push('fc-event-draggable');
  		}
  		if (seg.isStart) {
  			classes.push('fc-corner-top');
  		}
  		if (seg.isEnd) {
  			classes.push('fc-corner-bottom');
  		}
  		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;z-index:8;top:" + seg.top + "px;left:" + seg.left + "px;" + skinCss + "'" +
  			">" +
  			"<div class='fc-event-inner fc-event-skin'" + skinCssAttr + ">" +
  			"<div class='fc-event-head fc-event-skin'" + skinCssAttr + ">" +
  			"<div class='fc-event-time'>" +
  			htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) +
  			"</div>" +
  			"</div>" +
  			"<div class='fc-event-content'>" +
  			"<div class='fc-event-title'>" +
  			/*Modificado para mostrar img por uin estilo*/
  			htmlEscape(event.title) +
  			event.icono +
  			"</div>" +
  			"</div>" +
  			"<div class='fc-event-bg'></div>" +
  			"</div>"; // close inner
  		if (seg.isEnd && isEventResizable(event)) {
  			html +=
  				"<div class='ui-resizable-handle ui-resizable-s'>=</div>";
  		}
  		html +=
  			"</" + (url ? "a" : "div") + ">";
  		return html;
  	}
  	
  	
  	function bindDaySeg(event, eventElement, seg) {
  		if (isEventDraggable(event)) {
  			draggableDayEvent(event, eventElement, seg.isStart);
  		}
  		if (seg.isEnd && isEventResizable(event)) {
  			resizableDayEvent(event, eventElement, seg);
  		}
  		eventElementHandlers(event, eventElement);
  			// needs to be after, because resizableDayEvent might stopImmediatePropagation on click
  	}
  	
  	
  	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
  	
  	function draggableDayEvent(event, eventElement, isStart) {
  		var origWidth;
  		var revert;
  		var allDay=true;
  		var dayDelta;
  		var dis = opt('isRTL') ? -1 : 1;
  		var hoverListener = getHoverListener();
  		var colWidth = getColWidth();
  		var slotHeight = getSlotHeight();
  		var minMinute = getMinMinute();
  		eventElement.draggable({
  			zIndex: 9,
  			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, rowDelta, colDelta) {
  					clearOverlays();
  					if (cell) {
  						//setOverflowHidden(true);
  						revert = false;
  						dayDelta = colDelta * dis;
  						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,
  										slotHeight * Math.round(
  											(event.end ? ((event.end - event.start) / MINUTE_MS) : opt('defaultEventMinutes'))
  											/ opt('slotMinutes')
  										)
  									);
  									eventElement.draggable('option', 'grid', [colWidth, 1]);
  									allDay = false;
  								}
  							}else{
  								revert = true;
  							}
  						}
  						revert = revert || (allDay && !dayDelta);
  					}else{
  						resetElement();
  						//setOverflowHidden(false);
  						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 - getBodyContent().offset().top) / slotHeight)
  							* opt('slotMinutes')
  							+ minMinute
  							- (event.start.getHours() * 60 + event.start.getMinutes());
  					}
  					eventDrop(this, event, dayDelta, minuteDelta, allDay, ev, ui);
  				}
  				//setOverflowHidden(false);
  			}
  		});
  		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 origPosition;
  		var allDay=false;
  		var dayDelta;
  		var minuteDelta;
  		var prevMinuteDelta;
  		var dis = opt('isRTL') ? -1 : 1;
  		var hoverListener = getHoverListener();
  		var colCnt = getColCnt();
  		var colWidth = getColWidth();
  		var slotHeight = getSlotHeight();
  		eventElement.draggable({
  			zIndex: 9,
  			scroll: false,
  			grid: [colWidth, slotHeight],
  			axis: colCnt==1 ? 'y' : false,
  			opacity: opt('dragOpacity'),
  			revertDuration: opt('dragRevertDuration'),
  			start: function(ev, ui) {
  				trigger('eventDragStart', eventElement, event, ev, ui);
  				hideEvents(event, eventElement);
  				origPosition = eventElement.position();
  				minuteDelta = prevMinuteDelta = 0;
  				hoverListener.start(function(cell, origCell, rowDelta, colDelta) {
  					eventElement.draggable('option', 'revert', !cell);
  					clearOverlays();
  					if (cell) {
  						dayDelta = colDelta * dis;
  						if (opt('allDaySlot') && !cell.row) {
  							// over full days
  							if (!allDay) {
  								// convert to temporary all-day event
  								allDay = true;
  								timeElement.hide();
  								eventElement.draggable('option', 'grid', null);
  							}
  							renderDayOverlay(
  								addDays(cloneDate(event.start), dayDelta),
  								addDays(exclEndDay(event), dayDelta)
  							);
  						}else{
  							// on slots
  							resetElement();
  						}
  					}
  				}, ev, 'drag');
  			},
  			drag: function(ev, ui) {
  				minuteDelta = Math.round((ui.position.top - origPosition.top) / slotHeight) * opt('slotMinutes');
  				if (minuteDelta != prevMinuteDelta) {
  					if (!allDay) {
  						updateTimeText(minuteDelta);
  					}
  					prevMinuteDelta = minuteDelta;
  				}
  			},
  			stop: function(ev, ui) {
  				var cell = hoverListener.stop();
  				clearOverlays();
  				trigger('eventDragStop', eventElement, event, ev, ui);
  				if (cell && (dayDelta || minuteDelta || allDay)) {
  					// changed!
  					eventDrop(this, event, dayDelta, allDay ? 0 : minuteDelta, allDay, ev, ui);
  				}else{
  					// either no change or out-of-bounds (draggable has already reverted)
  					resetElement();
  					eventElement.css('filter', ''); // clear IE opacity side-effects
  					eventElement.css(origPosition); // sometimes fast drags make event revert to wrong position
  					updateTimeText(0);
  					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')));
  		}
  		function resetElement() {
  			// convert back to original slot-event
  			if (allDay) {
  				timeElement.css('display', ''); // show() was causing display=inline
  				eventElement.draggable('option', 'grid', [colWidth, slotHeight]);
  				allDay = false;
  			}
  		}
  	}
  	
  	
  	
  	/* Resizing
  	--------------------------------------------------------------------------------------*/
  	
  	
  	function resizableSlotEvent(event, eventElement, timeElement) {
  		var slotDelta, prevSlotDelta;
  		var slotHeight = getSlotHeight();
  		eventElement.resizable({
  			handles: {
  				s: 'div.ui-resizable-s'
  			},
  			grid: slotHeight,
  			start: function(ev, ui) {
  				slotDelta = prevSlotDelta = 0;
  				hideEvents(event, eventElement);
  				eventElement.css('z-index', 9);
  				trigger('eventResizeStart', this, event, ev, ui);
  			},
  			resize: function(ev, ui) {
  				// don't rely on ui.size.height, doesn't take grid into account
  				slotDelta = Math.round((Math.max(slotHeight, eventElement.height()) - ui.originalSize.height) / slotHeight);
  				if (slotDelta != prevSlotDelta) {
  					timeElement.text(
  						formatDates(
  							event.start,
  							(!slotDelta && !event.end) ? null : // no change, so don't display time range
  								addMinutes(eventEnd(event), opt('slotMinutes')*slotDelta),
  							opt('timeFormat')
  						)
  					);
  					prevSlotDelta = slotDelta;
  				}
  			},
  			stop: function(ev, ui) {
  				trigger('eventResizeStop', this, event, ev, ui);
  				if (slotDelta) {
  					eventResize(this, event, 0, opt('slotMinutes')*slotDelta, ev, ui);
  				}else{
  					eventElement.css('z-index', 8);
  					showEvents(event, eventElement);
  					// BUG: if event was really short, need to put title back in span
  				}
  			}
  		});
  	}
  	
  
  }
  
  
  function countForwardSegs(levels) {
  	var i, j, k, level, segForward, segBack;
  	for (i=levels.length-1; i>0; i--) {
  		level = levels[i];
  		for (j=0; j<level.length; j++) {
  			segForward = level[j];
  			for (k=0; k<levels[i-1].length; k++) {
  				segBack = levels[i-1][k];
  				if (segsCollide(segForward, segBack)) {
  					segBack.forward = Math.max(segBack.forward||0, (segForward.forward||0)+1);
  				}
  			}
  		}
  	}
  }
  
  
  
  
  function View(element, calendar, viewName) {
  	var t = this;
  	
  	
  	// exports
  	t.element = element;
  	t.calendar = calendar;
  	t.name = viewName;
  	t.opt = opt;
  	t.trigger = trigger;
  	//t.setOverflowHidden = setOverflowHidden;
  	t.isEventDraggable = isEventDraggable;
  	t.isEventResizable = isEventResizable;
  	t.reportEvents = reportEvents;
  	t.eventEnd = eventEnd;
  	t.reportEventElement = reportEventElement;
  	t.reportEventClear = reportEventClear;
  	t.eventElementHandlers = eventElementHandlers;
  	t.showEvents = showEvents;
  	t.hideEvents = hideEvents;
  	t.eventDrop = eventDrop;
  	t.eventResize = eventResize;
  	// t.title
  	// t.start, t.end
  	// t.visStart, t.visEnd
  	
  	
  	// imports
  	var defaultEventEnd = t.defaultEventEnd;
  	var normalizeEvent = calendar.normalizeEvent; // in EventManager
  	var reportEventChange = calendar.reportEventChange;
  	
  	
  	// locals
  	var eventsByID = {};
  	var eventElements = [];
  	var eventElementsByID = {};
  	var options = calendar.options;
  	
  	
  	
  	function opt(name, viewNameOverride) {
  		var v = options[name];
  		if (typeof v == 'object') {
  			return smartProperty(v, viewNameOverride || viewName);
  		}
  		return v;
  	}
  
  	
  	function trigger(name, thisObj) {
  		return calendar.trigger.apply(
  			calendar,
  			[name, thisObj || t].concat(Array.prototype.slice.call(arguments, 2), [t])
  		);
  	}
  	
  	
  	/*
  	function setOverflowHidden(bool) {
  		element.css('overflow', bool ? 'hidden' : '');
  	}
  	*/
  	
  	
  	function isEventDraggable(event) {
  		return isEventEditable(event) && !opt('disableDragging');
  	}
  	
  	
  	function isEventResizable(event) { // but also need to make sure the seg.isEnd == true
  		return isEventEditable(event) && !opt('disableResizing');
  	}
  	
  	
  	function isEventEditable(event) {
  		return firstDefined(event.editable, (event.source || {}).editable, opt('editable'));
  	}
  	
  	
  	
  	/* Event Data
  	------------------------------------------------------------------------------*/
  	
  	
  	// report when view receives new events
  	function reportEvents(events) { // events are already normalized at this point
  		eventsByID = {};
  		var i, len=events.length, event;
  		for (i=0; i<len; i++) {
  			event = events[i];
  			if (eventsByID[event._id]) {
  				eventsByID[event._id].push(event);
  			}else{
  				eventsByID[event._id] = [event];
  			}
  		}
  	}
  	
  	
  	// returns a Date object for an event's end
  	function eventEnd(event) {
  		return event.end ? cloneDate(event.end) : defaultEventEnd(event);
  	}
  	
  	
  	
  	/* Event Elements
  	------------------------------------------------------------------------------*/
  	
  	
  	// report when view creates an element for an event
  	function reportEventElement(event, element) {
  		eventElements.push(element);
  		if (eventElementsByID[event._id]) {
  			eventElementsByID[event._id].push(element);
  		}else{
  			eventElementsByID[event._id] = [element];
  		}
  	}
  	
  	
  	function reportEventClear() {
  		eventElements = [];
  		eventElementsByID = {};
  	}
  	
  	
  	// attaches eventClick, eventMouseover, eventMouseout
  	function eventElementHandlers(event, eventElement) {
  		eventElement
  			.click(function(ev) {
  				if (!eventElement.hasClass('ui-draggable-dragging') &&
  					!eventElement.hasClass('ui-resizable-resizing')) {
  						return trigger('eventClick', this, event, ev);
  					}
  			})
  			.hover(
  				function(ev) {
  					trigger('eventMouseover', this, event, ev);
  				},
  				function(ev) {
  					trigger('eventMouseout', this, event, ev);
  				}
  			);
  		// TODO: don't fire eventMouseover/eventMouseout *while* dragging is occuring (on subject element)
  		// TODO: same for resizing
  	}
  	
  	
  	function showEvents(event, exceptElement) {
  		eachEventElement(event, exceptElement, 'show');
  	}
  	
  	
  	function hideEvents(event, exceptElement) {
  		eachEventElement(event, exceptElement, 'hide');
  	}
  	
  	
  	function eachEventElement(event, exceptElement, funcName) {
  		var elements = eventElementsByID[event._id],
  			i, len = elements.length;
  		for (i=0; i<len; i++) {
  			if (!exceptElement || elements[i][0] != exceptElement[0]) {
  				elements[i][funcName]();
  			}
  		}
  	}
  	
  	
  	
  	/* Event Modification Reporting
  	---------------------------------------------------------------------------------*/
  	
  	
  	function eventDrop(e, event, dayDelta, minuteDelta, allDay, ev, ui) {
  		var oldAllDay = event.allDay;
  		var eventId = event._id;
  		moveEvents(eventsByID[eventId], dayDelta, minuteDelta, allDay);
  		trigger(
  			'eventDrop',
  			e,
  			event,
  			dayDelta,
  			minuteDelta,
  			allDay,
  			function() {
  				// TODO: investigate cases where this inverse technique might not work
  				moveEvents(eventsByID[eventId], -dayDelta, -minuteDelta, oldAllDay);
  				reportEventChange(eventId);
  			},
  			ev,
  			ui
  		);
  		reportEventChange(eventId);
  	}
  	
  	
  	function eventResize(e, event, dayDelta, minuteDelta, ev, ui) {
  		var eventId = event._id;
  		elongateEvents(eventsByID[eventId], dayDelta, minuteDelta);
  		trigger(
  			'eventResize',
  			e,
  			event,
  			dayDelta,
  			minuteDelta,
  			function() {
  				// TODO: investigate cases where this inverse technique might not work
  				elongateEvents(eventsByID[eventId], -dayDelta, -minuteDelta);
  				reportEventChange(eventId);
  			},
  			ev,
  			ui
  		);
  		reportEventChange(eventId);
  	}
  	
  	
  	
  	/* Event Modification Math
  	---------------------------------------------------------------------------------*/
  	
  	
  	function moveEvents(events, dayDelta, minuteDelta, allDay) {
  		minuteDelta = minuteDelta || 0;
  		for (var e, len=events.length, i=0; i<len; i++) {
  			e = events[i];
  			if (allDay !== undefined) {
  				e.allDay = allDay;
  			}
  			addMinutes(addDays(e.start, dayDelta, true), minuteDelta);
  			if (e.end) {
  				e.end = addMinutes(addDays(e.end, dayDelta, true), minuteDelta);
  			}
  			normalizeEvent(e, options);
  		}
  	}
  	
  	
  	function elongateEvents(events, dayDelta, minuteDelta) {
  		minuteDelta = minuteDelta || 0;
  		for (var e, len=events.length, i=0; i<len; i++) {
  			e = events[i];
  			e.end = addMinutes(addDays(eventEnd(e), dayDelta, true), minuteDelta);
  			normalizeEvent(e, options);
  		}
  	}
  	
  
  }
  
  function DayEventRenderer() {
  	var t = this;
  
  	
  	// exports
  	t.renderDaySegs = renderDaySegs;
  	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 showEvents = t.showEvents;
  	var hideEvents = t.hideEvents;
  	var eventResize = t.eventResize;
  	var getRowCnt = t.getRowCnt;
  	var getColCnt = t.getColCnt;
  	var getColWidth = t.getColWidth;
  	var allDayRow = t.allDayRow;
  	var allDayBounds = t.allDayBounds;
  	var colContentLeft = t.colContentLeft;
  	var colContentRight = t.colContentRight;
  	var dayOfWeekCol = t.dayOfWeekCol;
  	var dateCell = t.dateCell;
  	var compileDaySegs = t.compileDaySegs;
  	var getDaySegmentContainer = t.getDaySegmentContainer;
  	var bindDaySeg = t.bindDaySeg; //TODO: streamline this
  	var formatDates = t.calendar.formatDates;
  	var renderDayOverlay = t.renderDayOverlay;
  	var clearOverlays = t.clearOverlays;
  	var clearSelection = t.clearSelection;
  	
  	
  	
  	/* Rendering
  	-----------------------------------------------------------------------------*/
  	
  	
  	function renderDaySegs(segs, modifiedEventId) {
  		var segmentContainer = getDaySegmentContainer();
  		var rowDivs;
  		var rowCnt = getRowCnt();
  		var colCnt = getColCnt();
  		var i = 0;
  		var rowI;
  		var levelI;
  		var colHeights;
  		var j;
  		var segCnt = segs.length;
  		var seg;
  		var top;
  		var k;
  		segmentContainer[0].innerHTML = daySegHTML(segs); // faster than .html()
  		daySegElementResolve(segs, segmentContainer.children());
  		daySegElementReport(segs);
  		daySegHandlers(segs, segmentContainer, modifiedEventId);
  		daySegCalcHSides(segs);
  		daySegSetWidths(segs);
  		daySegCalcHeights(segs);
  		rowDivs = getRowDivs();
  		// set row heights, calculate event tops (in relation to row top)
  		for (rowI=0; rowI<rowCnt; rowI++) {
  			levelI = 0;
  			colHeights = [];
  			for (j=0; j<colCnt; j++) {
  				colHeights[j] = 0;
  			}
  			while (i<segCnt && (seg = segs[i]).row == rowI) {
  				// loop through segs in a row
  				top = arrayMax(colHeights.slice(seg.startCol, seg.endCol));
  				seg.top = top;
  				top += seg.outerHeight;
  				for (k=seg.startCol; k<seg.endCol; k++) {
  					colHeights[k] = top;
  				}
  				i++;
  			}
  			rowDivs[rowI].height(arrayMax(colHeights));
  		}
  		daySegSetTops(segs, getRowTops(rowDivs));
  	}
  	
  	
  	function renderTempDaySegs(segs, adjustRow, adjustTop) {
  		var tempContainer = $("<div/>");
  		var elements;
  		var segmentContainer = getDaySegmentContainer();
  		var i;
  		var segCnt = segs.length;
  		var element;
  		tempContainer[0].innerHTML = daySegHTML(segs); // faster than .html()
  		elements = tempContainer.children();
  		segmentContainer.append(elements);
  		daySegElementResolve(segs, elements);
  		daySegCalcHSides(segs);
  		daySegSetWidths(segs);
  		daySegCalcHeights(segs);
  		daySegSetTops(segs, getRowTops(getRowDivs()));
  		elements = [];
  		for (i=0; i<segCnt; i++) {
  			element = segs[i].element;
  			if (element) {
  				if (segs[i].row === adjustRow) {
  					element.css('top', adjustTop);
  				}
  				elements.push(element[0]);
  			}
  		}
  		return $(elements);
  	}
  	
  	
  	function daySegHTML(segs) { // also sets seg.left and seg.outerWidth
  		var rtl = opt('isRTL');
  		var i;
  		var segCnt=segs.length;
  		var seg;
  		var event;
  		var url;
  		var classes;
  		var bounds = allDayBounds();
  		var minLeft = bounds.left;
  		var maxLeft = bounds.right;
  		var leftCol;
  		var rightCol;
  		var left;
  		var right;
  		var skinCss;
  		var html = '';
  		// calculate desired position/dimensions, create html
  		for (i=0; i<segCnt; i++) {
  			seg = segs[i];
  			event = seg.event;
  			classes = ['fc-event', 'fc-event-skin', 'fc-event-hori'];
  			if (isEventDraggable(event)) {
  				classes.push('fc-event-draggable');
  			}
  			if (rtl) {
  				if (seg.isStart) {
  					classes.push('fc-corner-right');
  				}
  				if (seg.isEnd) {
  					classes.push('fc-corner-left');
  				}
  				leftCol = dayOfWeekCol(seg.end.getDay()-1);
  				rightCol = dayOfWeekCol(seg.start.getDay());
  				left = seg.isEnd ? colContentLeft(leftCol) : minLeft;
  				right = seg.isStart ? colContentRight(rightCol) : maxLeft;
  			}else{
  				if (seg.isStart) {
  					classes.push('fc-corner-left');
  				}
  				if (seg.isEnd) {
  					classes.push('fc-corner-right');
  				}
  				leftCol = dayOfWeekCol(seg.start.getDay());
  				rightCol = dayOfWeekCol(seg.end.getDay()-1);
  				left = seg.isStart ? colContentLeft(leftCol) : minLeft;
  				right = seg.isEnd ? colContentRight(rightCol) : maxLeft;
  			}
  			classes = classes.concat(event.className);
  			if (event.source) {
  				classes = classes.concat(event.source.className || []);
  			}
  			url = event.url;
  			skinCss = getSkinCss(event, opt);
  			if (url) {
  				html += "<a href='" + htmlEscape(url) + "'";
  			}else{
  				html += "<div";
  			}
  			html +=
  				" class='" + classes.join(' ') + "'" +
  				" style='position:absolute;z-index:8;left:"+left+"px;" + skinCss + "'" +
  				">" +
  				"<div" +
  				" class='fc-event-inner fc-event-skin'" +
  				(skinCss ? " style='" + skinCss + "'" : '') +
  				">";
  			if (!event.allDay && seg.isStart) {
  				html +=
  					"<span class='fc-event-time'>" +
  					htmlEscape(formatDates(event.start, event.end, opt('timeFormat'))) +
  					"</span>";
  			}
  			html +=
  			/*Modificado para mostrar img por uin estilo*/
  				//"<span class='fc-event-title'>" + htmlEscape(event.title) + "</span>" +
  				"<span class='fc-event-title'>" + htmlEscape(event.title)+" "+event.icono+"</span>" +
  				"</div>";
  			if (seg.isEnd && isEventResizable(event)) {
  				html +=
  					"<div class='ui-resizable-handle ui-resizable-" + (rtl ? 'w' : 'e') + "'>" +
  					"&nbsp;&nbsp;&nbsp;" + // makes hit area a lot better for IE6/7
  					"</div>";
  			}
  			html +=
  				"</" + (url ? "a" : "div" ) + ">";
  			seg.left = left;
  			seg.outerWidth = right - left;
  			seg.startCol = leftCol;
  			seg.endCol = rightCol + 1; // needs to be exclusive
  		}
  		return html;
  	}
  	
  	
  	function daySegElementResolve(segs, elements) { // sets seg.element
  		var i;
  		var segCnt = segs.length;
  		var seg;
  		var event;
  		var element;
  		var triggerRes;
  		for (i=0; i<segCnt; i++) {
  			seg = segs[i];
  			event = seg.event;
  			element = $(elements[i]); // faster than .eq()
  			triggerRes = trigger('eventRender', event, event, element);
  			if (triggerRes === false) {
  				element.remove();
  			}else{
  				if (triggerRes && triggerRes !== true) {
  					triggerRes = $(triggerRes)
  						.css({
  							position: 'absolute',
  							left: seg.left
  						});
  					element.replaceWith(triggerRes);
  					element = triggerRes;
  				}
  				seg.element = element;
  			}
  		}
  	}
  	
  	
  	function daySegElementReport(segs) {
  		var i;
  		var segCnt = segs.length;
  		var seg;
  		var element;
  		for (i=0; i<segCnt; i++) {
  			seg = segs[i];
  			element = seg.element;
  			if (element) {
  				reportEventElement(seg.event, element);
  			}
  		}
  	}
  	
  	
  	function daySegHandlers(segs, segmentContainer, modifiedEventId) {
  		var i;
  		var segCnt = segs.length;
  		var seg;
  		var element;
  		var event;
  		// retrieve elements, run through eventRender callback, bind handlers
  		for (i=0; i<segCnt; i++) {
  			seg = segs[i];
  			element = seg.element;
  			if (element) {
  				event = seg.event;
  				if (event._id === modifiedEventId) {
  					bindDaySeg(event, element, seg);
  				}else{
  					element[0]._fci = i; // for lazySegBind
  				}
  			}
  		}
  		lazySegBind(segmentContainer, segs, bindDaySeg);
  	}
  	
  	
  	function daySegCalcHSides(segs) { // also sets seg.key
  		var i;
  		var segCnt = segs.length;
  		var seg;
  		var element;
  		var key, val;
  		var hsideCache = {};
  		// record event horizontal sides
  		for (i=0; i<segCnt; i++) {
  			seg = segs[i];
  			element = seg.element;
  			if (element) {
  				key = seg.key = cssKey(element[0]);
  				val = hsideCache[key];
  				if (val === undefined) {
  					val = hsideCache[key] = hsides(element, true);
  				}
  				seg.hsides = val;
  			}
  		}
  	}
  	
  	
  	function daySegSetWidths(segs) {
  		var i;
  		var segCnt = segs.length;
  		var seg;
  		var element;
  		for (i=0; i<segCnt; i++) {
  			seg = segs[i];
  			element = seg.element;
  			if (element) {
  				element[0].style.width = Math.max(0, seg.outerWidth - seg.hsides) + 'px';
  			}
  		}
  	}
  	
  	
  	function daySegCalcHeights(segs) {
  		var i;
  		var segCnt = segs.length;
  		var seg;
  		var element;
  		var key, val;
  		var vmarginCache = {};
  		// record event heights
  		for (i=0; i<segCnt; i++) {
  			seg = segs[i];
  			element = seg.element;
  			if (element) {
  				key = seg.key; // created in daySegCalcHSides
  				val = vmarginCache[key];
  				if (val === undefined) {
  					val = vmarginCache[key] = vmargins(element);
  				}
  				seg.outerHeight = element[0].offsetHeight + val;
  			}
  		}
  	}
  	
  	
  	function getRowDivs() {
  		var i;
  		var rowCnt = getRowCnt();
  		var rowDivs = [];
  		for (i=0; i<rowCnt; i++) {
  			rowDivs[i] = allDayRow(i)
  				.find('td:first div.fc-day-content > div'); // optimal selector?
  		}
  		return rowDivs;
  	}
  	
  	
  	function getRowTops(rowDivs) {
  		var i;
  		var rowCnt = rowDivs.length;
  		var tops = [];
  		for (i=0; i<rowCnt; i++) {
  			tops[i] = rowDivs[i][0].offsetTop; // !!?? but this means the element needs position:relative if in a table cell!!!!
  		}
  		return tops;
  	}
  	
  	
  	function daySegSetTops(segs, rowTops) { // also triggers eventAfterRender
  		var i;
  		var segCnt = segs.length;
  		var seg;
  		var element;
  		var event;
  		for (i=0; i<segCnt; i++) {
  			seg = segs[i];
  			element = seg.element;
  			if (element) {
  				element[0].style.top = rowTops[seg.row] + (seg.top||0) + 'px';
  				event = seg.event;
  				trigger('eventAfterRender', event, event, element);
  			}
  		}
  	}
  	
  	
  	
  	/* Resizing
  	-----------------------------------------------------------------------------------*/
  	
  	
  	function resizableDayEvent(event, element, seg) {
  		var rtl = opt('isRTL');
  		var direction = rtl ? 'w' : 'e';
  		var handle = element.find('div.ui-resizable-' + direction);
  		var isResizing = false;
  		
  		// TODO: look into using jquery-ui mouse widget for this stuff
  		disableTextSelection(element); // prevent native <a> selection for IE
  		element
  			.mousedown(function(ev) { // prevent native <a> selection for others
  				ev.preventDefault();
  			})
  			.click(function(ev) {
  				if (isResizing) {
  					ev.preventDefault(); // prevent link from being visited (only method that worked in IE6)
  					ev.stopImmediatePropagation(); // prevent fullcalendar eventClick handler from being called
  					                               // (eventElementHandlers needs to be bound after resizableDayEvent)
  				}
  			});
  		
  		handle.mousedown(function(ev) {
  			if (ev.which != 1) {
  				return; // needs to be left mouse button
  			}
  			isResizing = true;
  			var hoverListener = t.getHoverListener();
  			var rowCnt = getRowCnt();
  			var colCnt = getColCnt();
  			var dis = rtl ? -1 : 1;
  			var dit = rtl ? colCnt-1 : 0;
  			var elementTop = element.css('top');
  			var dayDelta;
  			var helpers;
  			var eventCopy = $.extend({}, event);
  			var minCell = dateCell(event.start);
  			clearSelection();
  			$('body')
  				.css('cursor', direction + '-resize')
  				.one('mouseup', mouseup);
  			trigger('eventResizeStart', this, event, ev);
  			hoverListener.start(function(cell, origCell) {
  				if (cell) {
  					var r = Math.max(minCell.row, cell.row);
  					var c = cell.col;
  					if (rowCnt == 1) {
  						r = 0; // hack for all-day area in agenda views
  					}
  					if (r == minCell.row) {
  						if (rtl) {
  							c = Math.min(minCell.col, c);
  						}else{
  							c = Math.max(minCell.col, c);
  						}
  					}
  					dayDelta = (r*7 + c*dis+dit) - (origCell.row*7 + origCell.col*dis+dit);
  					var newEnd = addDays(eventEnd(event), dayDelta, true);
  					if (dayDelta) {
  						eventCopy.end = newEnd;
  						var oldHelpers = helpers;
  						helpers = renderTempDaySegs(compileDaySegs([eventCopy]), seg.row, elementTop);
  						helpers.find('*').css('cursor', direction + '-resize');
  						if (oldHelpers) {
  							oldHelpers.remove();
  						}
  						hideEvents(event);
  					}else{
  						if (helpers) {
  							showEvents(event);
  							helpers.remove();
  							helpers = null;
  						}
  					}
  					clearOverlays();
  					renderDayOverlay(event.start, addDays(cloneDate(newEnd), 1)); // coordinate grid already rebuild at hoverListener.start
  				}
  			}, 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);
  			}
  			
  		});
  	}
  	
  
  }
  
  //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 select(startDate, endDate, allDay) {
  		unselect();
  		if (!endDate) {
  			endDate = defaultSelectionEnd(startDate, allDay);
  		}
  		renderSelection(startDate, endDate, allDay);
  		reportSelection(startDate, endDate, allDay);
  	}
  	
  	
  	function unselect(ev) {
  		if (selected) {
  			selected = false;
  			clearSelection();
  			trigger('unselect', null, ev);
  		}
  	}
  	
  	
  	function reportSelection(startDate, endDate, allDay, ev) {
  		selected = true;
  		trigger('select', null, startDate, endDate, allDay, ev);
  	}
  	
  	
  	function daySelectionMousedown(ev) { // not really a generic manager method, oh well
  		var cellDate = t.cellDate;
  		var cellIsAllDay = t.cellIsAllDay;
  		var hoverListener = t.getHoverListener();
  		var reportDayClick = t.reportDayClick; // this is hacky and sort of weird
  		if (ev.which == 1 && opt('selectable')) { // which==1 means left mouse button
  			unselect(ev);
  			var _mousedownElement = this;
  			var dates;
  			hoverListener.start(function(cell, origCell) { // TODO: maybe put cellDate/cellIsAllDay info in cell
  				clearSelection();
  				if (cell && cellIsAllDay(cell)) {
  					dates = [ cellDate(origCell), cellDate(cell) ].sort(cmp);
  					renderSelection(dates[0], dates[1], true);
  				}else{
  					dates = null;
  				}
  			}, ev);
  			$(document).one('mouseup', function(ev) {
  				hoverListener.stop();
  				if (dates) {
  					if (+dates[0] == +dates[1]) {
  						reportDayClick(dates[0], true, ev);
  					}
  					reportSelection(dates[0], dates[1], true, 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) {
  
  	var t = this;
  	var rows;
  	var cols;
  	
  	
  	t.build = function() {
  		rows = [];
  		cols = [];
  		buildFunc(rows, cols);
  	};
  	
  	
  	t.cell = function(x, y) {
  		var rowCnt = rows.length;
  		var colCnt = cols.length;
  		var i, r=-1, c=-1;
  		for (i=0; i<rowCnt; i++) {
  			if (y >= rows[i][0] && y < rows[i][1]) {
  				r = i;
  				break;
  			}
  		}
  		for (i=0; i<colCnt; i++) {
  			if (x >= cols[i][0] && x < cols[i][1]) {
  				c = i;
  				break;
  			}
  		}
  		return (r>=0 && c>=0) ? { row:r, col:c } : null;
  	};
  	
  	
  	t.rect = function(row0, col0, row1, col1, originElement) { // row1,col1 is inclusive
  		var origin = originElement.offset();
  		return {
  			top: rows[row0][0] - origin.top,
  			left: cols[col0][0] - origin.left,
  			width: cols[col1][1] - cols[col0][0],
  			height: rows[row1][1] - rows[row0][0]
  		};
  	};
  
  }
  
  function HoverListener(coordinateGrid) {
  
  
  	var t = this;
  	var bindType;
  	var change;
  	var firstCell;
  	var cell;
  	
  	
  	t.start = function(_change, ev, _bindType) {
  		change = _change;
  		firstCell = cell = null;
  		coordinateGrid.build();
  		mouse(ev);
  		bindType = _bindType || 'mousemove';
  		$(document).bind(bindType, mouse);
  	};
  	
  	
  	function mouse(ev) {
  		_fixUIEvent(ev); // see below
  		var newCell = coordinateGrid.cell(ev.pageX, ev.pageY);
  		if (!newCell != !cell || newCell && (newCell.row != cell.row || newCell.col != cell.col)) {
  			if (newCell) {
  				if (!firstCell) {
  					firstCell = newCell;
  				}
  				change(newCell, firstCell, newCell.row-firstCell.row, newCell.col-firstCell.col);
  			}else{
  				change(newCell, firstCell);
  			}
  			cell = newCell;
  		}
  	}
  	
  	
  	t.stop = function() {
  		$(document).unbind(bindType, mouse);
  		return cell;
  	};
  	
  	
  }
  
  
  
  // 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) {
  
  	var t = this,
  		elements = {},
  		lefts = {},
  		rights = {};
  		
  	function e(i) {
  		return elements[i] = elements[i] || getElement(i);
  	}
  	
  	t.left = function(i) {
  		return lefts[i] = lefts[i] === undefined ? e(i).position().left : lefts[i];
  	};
  	
  	t.right = function(i) {
  		return rights[i] = rights[i] === undefined ? t.left(i) + e(i).width() : rights[i];
  	};
  	
  	t.clear = function() {
  		elements = {};
  		lefts = {};
  		rights = {};
  	};
  	
  }
  
  })(jQuery);
  