/**
 * @package         Modals
 * @version         11.7.1
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            http://www.regularlabs.com
 * @copyright       Copyright © 2020 Regular Labs All Rights Reserved
 * @license         http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

/*
 FORKED FROM:
 Colorbox 1.6.4
 license: MIT
 http://www.jacklmoore.com/colorbox
 */
(function($, document, window) {
	var
		// Default settings object.
		// See http://jacklmoore.com/colorbox for details.
		defaults       = {
			// data sources
			html  : false,
			photo : false,
			iframe: false,
			inline: false,

			// behavior and appearance
			transition    : 'elastic',
			speed         : 300,
			fadeOut       : 300,
			width         : false,
			initialWidth  : '600',
			innerWidth    : false,
			maxWidth      : false,
			height        : false,
			initialHeight : '450',
			innerHeight   : false,
			maxHeight     : false,
			scalePhotos   : true,
			scrolling     : true,
			opacity       : 0.9,
			preloading    : true,
			className     : false,
			overlay       : true,
			overlayClose  : true,
			escKey        : true,
			arrowKey      : true,
			top           : false,
			bottom        : false,
			left          : false,
			right         : false,
			fixed         : false,
			data          : undefined,
			closeButton   : true,
			fastIframe    : true,
			open          : false,
			reposition    : true,
			loop          : true,
			slideshow     : false,
			slideshowAuto : true,
			slideshowSpeed: 2500,
			slideshowStart: 'start slideshow',
			slideshowStop : 'stop slideshow',
			photoRegex    : /\.(gif|png|jp(e|g|eg)|bmp|ico|webp|jxr|svg)((#|\?).*)?$/i,

			// alternate image paths for high-res displays
			retinaImage : false,
			retinaUrl   : false,
			retinaSuffix: '@2x.$1',

			// internationalization
			current : 'image {current} of {total}',
			previous: 'previous',
			next    : 'next',
			close   : 'close',
			xhrError: 'This content failed to load.',
			imgError: 'This image failed to load.',

			// accessibility
			returnFocus: true,
			trapFocus  : true,

			// callbacks
			onOpen    : false,
			onLoad    : false,
			onComplete: false,
			onCleanup : false,
			onClosed  : false,

			rel         : function() {
				return this.rel;
			},
			href        : function() {
				// using this.href would give the absolute url, when the href may have been intended as a selector (e.g. '#container')
				return $(this).attr('href');
			},
			title       : function() {
				return this.title;
			},
			createImg   : function() {
				var img   = new Image();
				var attrs = $(this).data(prefix + '-img-attrs');

				if (typeof attrs === 'object') {
					$.each(attrs, function(key, val) {
						img[key] = val;
					});
				}

				return img;
			},
			createIframe: function() {
				var iframe = document.createElement('iframe');
				var attrs  = $(this).data(prefix + '-iframe-attrs');

				if (typeof attrs === 'object') {
					$.each(attrs, function(key, val) {
						iframe[key] = val;
					});
				}

				// if ('scrolling' in iframe) {
				// 	iframe.scrolling = 'no';
				// }
				if ('frameBorder' in iframe) {
					iframe.frameBorder = 0;
				}
				if ('allowTransparency' in iframe) {
					iframe.allowTransparency = 'true';
				}
				iframe.name            = (new Date()).getTime(); // give the iframe a unique name to prevent caching
				iframe.allowFullscreen = true;

				return iframe;
			}
		},

		// Abstracting the HTML and event identifiers for easy rebranding
		colorbox       = 'rl_modals',
		prefix         = 'rl_modals',
		boxElement     = $prefix('element'),

		// Events
		event_open     = $prefix('open'),
		event_load     = $prefix('load'),
		event_complete = $prefix('complete'),
		event_cleanup  = $prefix('cleanup'),
		event_closed   = $prefix('closed'),
		event_purge    = $prefix('purge'),

		// Cached jQuery Object Variables
		$overlay,
		$box,
		$wrap,
		$content,
		$topBorder,
		$leftBorder,
		$rightBorder,
		$bottomBorder,
		$related,
		$window,
		$loaded,
		$loadingBay,
		$loadingOverlay,
		$title,
		$current,
		$slideshow,
		$next,
		$prev,
		$close,
		$groupControls,
		$events        = $('<a/>'), // $({}) would be preferred, but there is an issue with jQuery 1.4.2

		// Variables for cached values or use across multiple functions
		settings,
		interfaceHeight,
		interfaceWidth,
		loadedHeight,
		loadedWidth,
		index,
		photo,
		open,
		active,
		closing,
		loadingTimer,
		publicMethod,
		div            = 'div',
		requests       = 0,
		previousCSS    = {},
		init;

	// ****************
	// HELPER FUNCTIONS
	// ****************

	// Adds prefix to a string
	function $prefix(string) {
		return prefix + '_' + string;
	}

	// Convenience function for creating new jQuery objects
	function $tag(tag, id, css) {
		var element = document.createElement(tag);

		if (id) {
			element.id = $prefix(id);
		}

		if (css) {
			element.style.cssText = css;
		}

		return $(element);
	}

	// Get the window height using innerHeight when available to avoid an issue with iOS
	// http://bugs.jquery.com/ticket/6724
	function winheight() {
		return window.innerHeight ? window.innerHeight : $(window).height();
	}

	// Helper to enumerate focusable elements
	function focusableEls($e) {
		return $e.find('a[href], area[href], input:not([disabled]), select:not([disabled]), textarea:not([disabled]), button:not([disabled]), [tabindex="0"]');
	}

	function firstFocusableEl($e) {
		return focusableEls($e).first();
	}

	function lastFocusableEl($e) {
		return focusableEls($e).last();
	}

	function Settings(element, options) {
		if (options !== Object(options)) {
			options = {};
		}

		this.cache = {};
		this.el    = element;

		this.value = function(key) {
			var dataAttr;

			if (this.cache[key] === undefined) {
				dataAttr = $(this.el).attr('data-' + prefix + '-' + key);

				if (dataAttr !== undefined) {
					this.cache[key] = dataAttr;
				} else if (options[key] !== undefined) {
					this.cache[key] = options[key];
				} else if (defaults[key] !== undefined) {
					this.cache[key] = defaults[key];
				}
			}

			return this.cache[key];
		};

		this.get = function(key) {
			var value = this.value(key);
			return $.isFunction(value) ? value.call(this.el, this) : value;
		};
	}

	// Determine the next and previous members in a group.
	function getIndex(increment) {
		var
			max      = $related.length,
			newIndex = (index + increment) % max;

		return (newIndex < 0) ? max + newIndex : newIndex;
	}

	// Convert '%' and 'px' values to integers
	function setSize(size, dimension) {
		var size_int = parseInt(size, 10);

		// unit: %
		if (/%/.test(size)) {
			var window_size = dimension === 'x' ? $window.width() : winheight();

			return Math.round((window_size / 100) * size_int);
		}

		// unit: vw or vh
		if (/v[wh]$/.test(size)) {
			var unit        = size.match(/v[wh]$/)[0];
			var window_size = unit === 'vw' ? $window.width() : winheight();

			return Math.round((window_size / 100) * size_int);
		}

		// unit: px or none
		return Math.round(size_int);
	}

	// Checks an href to see if it is a photo.
	// There is a force photo option (photo: true) for hrefs that cannot be matched by the regex.
	function isImage(settings, url) {
		return settings.get('photo') || settings.get('photoRegex').test(url);
	}

	function retinaUrl(settings, url) {
		return settings.get('retinaUrl') && window.devicePixelRatio > 1 ? url.replace(settings.get('photoRegex'), settings.get('retinaSuffix')) : url;
	}

	function setClass(str) {
		if (setClass.str !== str) {
			$box.add($overlay).removeClass(setClass.str).addClass(str);
			setClass.str = str;
		}
	}

	function getRelated(rel) {
		index = 0;

		if (rel && rel !== false && rel !== 'nofollow') {
			$related = $('.' + boxElement).filter(function() {
				var options  = $.data(this, colorbox);
				var settings = new Settings(this, options);
				return (settings.get('rel') === rel);
			});
			index    = $related.index(settings.el);

			// Check direct calls to Colorbox.
			if (index === -1) {
				$related = $related.add(settings.el);
				index    = $related.length - 1;
			}
		} else {
			$related = $(settings.el);
		}
	}

	function trigger(event) {
		// for external use
		$(document).trigger(event);
		// for internal use
		$events.triggerHandler(event);
	}

	var slideshow = (function() {
		var active,
			className = $prefix('slideshow'),
			click     = 'click.' + prefix + ' rl_modals_touchstart.' + prefix,
			timeOut;

		function clear() {
			clearTimeout(timeOut);
		}

		function set() {
			if (settings.get('loop') || $related[index + 1]) {
				clear();
				timeOut = setTimeout(publicMethod.next, settings.get('slideshowSpeed'));
			}
		}

		function start() {
			$slideshow
				.html(settings.get('slideshowStop'))
				.attr('aria-label', settings.get('slideshowStop'))
				.unbind(click)
				.one(click, stop);

			$events
				.bind(event_complete, set)
				.bind(event_load, clear);

			$box.removeClass(className + '_off').addClass(className + '_on');
		}

		function stop() {
			clear();

			$events
				.unbind(event_complete, set)
				.unbind(event_load, clear);

			$slideshow
				.html(settings.get('slideshowStart'))
				.attr('aria-label', settings.get('slideshowStart'))
				.unbind(click)
				.one(click, function() {
					publicMethod.next();
					start();
				});

			$box.removeClass(className + 'on').addClass(className + 'off');
		}

		function reset() {
			active = false;
			$slideshow.attr('aria-hidden', 'true').hide();
			clear();
			$events
				.unbind(event_complete, set)
				.unbind(event_load, clear);
			$box.removeClass(className + 'off ' + className + 'on');
		}

		return function() {
			if (active) {
				if (!settings.get('slideshow')) {
					$events.unbind(event_cleanup, reset);
					reset();
				}
			} else {
				if (settings.get('slideshow') && $related[1]) {
					active = true;
					$events.one(event_cleanup, reset);
					if (settings.get('slideshowAuto')) {
						start();
					} else {
						stop();
					}
					$slideshow.attr('aria-hidden', 'false').show();
				}
			}
		};

	}());

	function launch(element) {
		var options;

		if (!closing) {

			options = $(element).data(colorbox);

			settings = new Settings(element, options);

			getRelated(settings.get('rel'));

			if (!open) {
				open = active = true; // Prevents the page-change action from queuing up if the visitor holds down the left or right keys.

				setClass(settings.get('className'));

				// Show colorbox so the sizes can be calculated in older versions of jQuery
				$box.css({visibility: 'hidden', display: 'block', opacity: ''}).attr('aria-hidden', 'true');

				$loaded = $tag(div, 'loaded_content', 'width:0; height:0; overflow:hidden; visibility:hidden');
				$content.css({width: '', height: ''}).append($loaded);

				// Cache values needed for size calculations
				interfaceHeight = $topBorder.height() + $bottomBorder.height() + $content.outerHeight(true) - $content.height();
				interfaceWidth  = $leftBorder.width() + $rightBorder.width() + $content.outerWidth(true) - $content.width();
				loadedHeight    = $loaded.outerHeight(true);
				loadedWidth     = $loaded.outerWidth(true);

				// Opens initial empty Colorbox prior to content being loaded.
				var initialWidth  = setSize(settings.get('initialWidth'), 'x');
				var initialHeight = setSize(settings.get('initialHeight'), 'y');
				var maxWidth      = settings.get('maxWidth');
				var maxHeight     = settings.get('maxHeight');

				settings.w = Math.max((maxWidth !== false ? Math.min(initialWidth, setSize(maxWidth, 'x')) : initialWidth) - loadedWidth - interfaceWidth, 0);
				settings.h = Math.max((maxHeight !== false ? Math.min(initialHeight, setSize(maxHeight, 'y')) : initialHeight) - loadedHeight - interfaceHeight, 0);

				$loaded.css({width: '', height: settings.h});
				publicMethod.position();

				trigger(event_open);
				settings.get('onOpen');

				$groupControls.add($title).hide();

				$box.attr('aria-hidden', 'false');

				// Return focus on closing
				if (settings.get('returnFocus')) {
					$events.one(event_closed, function() {
						$(settings.el).focus();
					});
				}
			}

			var opacity = parseFloat(settings.get('opacity'));
			$overlay.css({
				opacity   : opacity === opacity ? opacity : '',
				cursor    : settings.get('overlayClose') ? 'pointer' : '',
				visibility: 'visible'
			});

			if (settings.get('overlay')) {
				$overlay.show();
			}

			if (settings.get('closeButton')) {
				$close.html(settings.get('close'))
					.attr('aria-hidden', 'false')
					.appendTo($content);
			} else {
				$close.appendTo('<div/>'); // replace with .detach() when dropping jQuery < 1.4
			}

			load();
		}
	}

	// Colorbox's markup needs to be added to the DOM prior to being called
	// so that the browser will go ahead and load the CSS background images.
	function appendHTML() {
		if (!$box) {
			init            = false;
			$window         = $(window);
			$box            = $tag(div).attr({
				id                : colorbox,
				role              : 'dialog',
				'aria-hidden'     : 'true',
				'aria-labelledby' : $prefix('title'),
				'aria-describedby': $prefix('current'),
			}).hide();
			$overlay        = $tag(div, 'overlay').hide();
			$loadingOverlay = $([$tag(div, 'loading_overlay')[0], $tag(div, 'loading_graphic')[0]]);
			$wrap           = $tag(div, 'wrapper');
			$content        = $tag(div, 'content').append(
				$title = $tag(div, 'title')
					.attr('aria-live', 'polite'),
				$current = $tag(div, 'current'),
				$prev = $('<button type="button">previous</button>').attr({
					id           : $prefix('previous'),
					'aria-hidden': 'true'
				}),
				$next = $('<button type="button">next</button>').attr({
					id           : $prefix('next'),
					'aria-hidden': 'true'
				}),
				$slideshow = $('<button type="button">start slideshow</button>').attr({
					id           : $prefix('slideshow'),
					'aria-hidden': 'true'
				}),
				$loadingOverlay
			);

			$close = $('<button type="button">close</button>').attr({
				id           : $prefix('close'),
				'aria-hidden': 'true'
			});

			$wrap.append( // The 3x3 Grid that makes up Colorbox
				$tag(div).append(
					$tag(div, 'top_left'),
					$topBorder = $tag(div, 'top_center'),
					$tag(div, 'top_right')
				),
				$tag(div, false, 'clear:left').append(
					$leftBorder = $tag(div, 'middle_left'),
					$content,
					$rightBorder = $tag(div, 'middle_right')
				),
				$tag(div, false, 'clear:left').append(
					$tag(div, 'bottom_left'),
					$bottomBorder = $tag(div, 'bottom_center'),
					$tag(div, 'bottom_right')
				)
			).find('div div').css({'float': 'left'});

			$loadingBay = $tag(div, false, 'position:absolute; width:9999px; visibility:hidden; display:none; max-width:none;');

			$groupControls = $next.add($prev).add($current).add($slideshow);
		}
		if (document.body && !$box.parent().length) {
			$(document.body).append($overlay, $box.append($wrap, $loadingBay));
		}
	}

	// Add Colorbox's event bindings
	function addBindings() {
		function clickHandler(e) {
			// ignore non-left-mouse-clicks and clicks modified with ctrl / command, shift, or alt.
			// See: http://jacklmoore.com/notes/click-events/
			if (!(e.which > 1 || e.shiftKey || e.altKey || e.metaKey || e.ctrlKey)) {
				e.preventDefault();
				launch(this);
			}
		}

		if ($box) {
			if (!init) {
				init = true;

				// Anonymous functions here keep the public method from being cached, thereby allowing them to be redefined on the fly.
				$next.on('click rl_modals_touchstart', function() {
					publicMethod.next();
				});
				$prev.on('click rl_modals_touchstart', function() {
					publicMethod.prev();
				});
				$close.on('click rl_modals_touchstart', function() {
					publicMethod.close();
				});
				$overlay.on('click rl_modals_touchstart', function() {
					if (settings.get('overlayClose')) {
						publicMethod.close();
					}
				});

				// Key Bindings
				$(document).bind('keydown.' + prefix, function(e) {
					var key = e.keyCode;
					if (open && settings.get('escKey') && key === 27) {
						e.preventDefault();
						publicMethod.close();
					}
					if (open && settings.get('arrowKey') && $related[1] && !e.altKey) {
						if (key === 37) {
							e.preventDefault();
							$prev.click();
						} else if (key === 39) {
							e.preventDefault();
							$next.click();
						}
					}
					if (open && settings.get('trapFocus') && key === 9) {
						if (focusableEls($box).length === 1) {
							e.preventDefault();
						} else {
							if (e.shiftKey) {
								if (document.activeElement === firstFocusableEl($box)[0]) {
									e.preventDefault();
									lastFocusableEl($box).focus();
								}
							} else {
								if (document.activeElement === lastFocusableEl($box)[0]) {
									e.preventDefault();
									firstFocusableEl($box).focus();
								}
							}
						}
					}
				});

				if ($.isFunction($.fn.on)) {
					// For jQuery 1.7+
					$(document).on('click.' + prefix + ' rl_modals_touchstart.' + prefix, '.' + boxElement, clickHandler);
				} else {
					// For jQuery 1.3.x -> 1.6.x
					// This code is never reached in jQuery 1.9, so do not contact me about 'live' being removed.
					// This is not here for jQuery 1.9, it's here for legacy users.
					$('.' + boxElement).live('click.' + prefix + ' rl_modals_touchstart.' + prefix, clickHandler);
				}
			}
			return true;
		}
		return false;
	}

	// Don't do anything if Colorbox already exists.
	if ($[colorbox]) {
		return;
	}

	// Append the HTML when the DOM loads
	$(appendHTML);

	// ****************
	// PUBLIC FUNCTIONS
	// Usage format: jQuery.rl_modals.close();
	// Usage from within an iframe: parent.jQuery.rl_modals.close();
	// ****************

	publicMethod = $.fn[colorbox] = $[colorbox] = function(options, callback) {
		var settings;
		var $obj = this;

		options = options || {};

		if ($.isFunction($obj)) { // assume a call to $.colorbox
			$obj         = $('<a/>');
			options.open = true;
		}

		if (!$obj[0]) { // colorbox being applied to empty collection
			return $obj;
		}

		appendHTML();

		if (addBindings()) {

			if (callback) {
				options.onComplete = callback;
			}

			$obj.each(function() {
				var old = $.data(this, colorbox) || {};
				$.data(this, colorbox, $.extend(old, options));
			}).addClass(boxElement);

			settings = new Settings($obj[0], options);

			if (settings.get('open')) {
				launch($obj[0]);
			}
		}

		return $obj;
	};

	publicMethod.position = function(speed, loadedCallback) {
		var
			css,
			top    = 0,
			left   = 0,
			offset = $box.offset(),
			scrollTop,
			scrollLeft,
			paddingWidth,
			paddingHeight;

		$window.unbind('resize.' + prefix);

		// remove the modal so that it doesn't influence the document width/height
		$box.css({top: -9e4, left: -9e4});

		scrollTop     = $window.scrollTop();
		scrollLeft    = $window.scrollLeft();
		paddingWidth  = parseInt($loaded.css('padding-left')) + parseInt($loaded.css('padding-right'));
		paddingHeight = parseInt($loaded.css('padding-top')) + parseInt($loaded.css('padding-bottom'));

		if (settings.get('fixed')) {
			offset.top -= scrollTop;
			offset.left -= scrollLeft;
			$box.css({position: 'fixed'});
		} else {
			top  = scrollTop;
			left = scrollLeft;
			$box.css({position: 'absolute'});
		}

		// keeps the top and left positions within the browser's viewport.
		if (settings.get('right') !== false) {
			left += Math.max($window.width() - settings.w - paddingWidth - interfaceWidth - setSize(settings.get('right'), 'x'), 0);
		} else if (settings.get('left') !== false) {
			left += setSize(settings.get('left'), 'x');
		} else {
			left += Math.round(Math.max($window.width() - settings.w - paddingWidth - interfaceWidth, 0) / 2);
		}

		if (settings.get('bottom') !== false) {
			top += Math.max(winheight() - settings.h - loadedHeight - interfaceHeight - setSize(settings.get('bottom'), 'y'), 0);
		} else if (settings.get('top') !== false) {
			top += setSize(settings.get('top'), 'y');
		} else {
			top += Math.round(Math.max(winheight() - settings.h - loadedHeight - interfaceHeight, 0) / 2);
		}

		$box.css({top: offset.top, left: offset.left, visibility: 'visible'}).attr('aria-hidden', 'false');

		// this gives the wrapper plenty of breathing room so it's floated contents can move around smoothly,
		// but it has to be shrank down around the size of div#colorbox when it's done.  If not,
		// it can invoke an obscure IE bug when using iframes.
		$wrap[0].style.width = $wrap[0].style.height = '9999px';

		function modalDimensions() {
			$topBorder[0].style.width = $bottomBorder[0].style.width = $content[0].style.width = (parseInt($box[0].style.width, 10) - interfaceWidth) + 'px';
			$content[0].style.height  = $leftBorder[0].style.height = $rightBorder[0].style.height = (parseInt($box[0].style.height, 10) - interfaceHeight) + 'px';
		}

		css = {width: settings.w + paddingWidth + interfaceWidth, height: settings.h + loadedHeight + interfaceHeight, top: top, left: left};

		// setting the speed to 0 if the content hasn't changed size or position
		if (speed) {
			var tempSpeed = 0;
			$.each(css, function(i) {
				if (css[i] !== previousCSS[i]) {
					tempSpeed = speed;
					return;
				}
			});
			speed = tempSpeed;
		}

		previousCSS = css;

		if (!speed) {
			$box.css(css);
		}

		$box.dequeue().animate(css, {
			duration: speed || 0,
			complete: function() {
				modalDimensions();

				active = false;

				// shrink the wrapper down to exactly the size of colorbox to avoid a bug in IE's iframe implementation.
				$wrap[0].style.width  = (settings.w + paddingWidth + interfaceWidth) + 'px';
				$wrap[0].style.height = (settings.h + loadedHeight + interfaceHeight) + 'px';

				if (settings.get('reposition')) {
					$window.bind('resize.' + prefix, publicMethod.position);
				}

				if ($.isFunction(loadedCallback)) {
					loadedCallback();
				}
			},
			step    : modalDimensions
		});
	};

	publicMethod.resize = function(options) {
		var scrolltop;

		if (!open) {
			return;
		}

		options = options || {};

		if (options.width) {
			settings.w = setSize(options.width, 'x') - loadedWidth - interfaceWidth;
		}

		if (options.innerWidth) {
			settings.w = setSize(options.innerWidth, 'x');
		}

		$loaded.css({width: settings.w});

		if (options.height) {
			settings.h = setSize(options.height, 'y') - loadedHeight - interfaceHeight;
		}

		if (options.innerHeight) {
			settings.h = setSize(options.innerHeight, 'y');
		}

		if (!options.innerHeight && !options.height) {
			scrolltop = $loaded.scrollTop();
			$loaded.css({height: 'auto'});
			settings.h = $loaded.height();
		}

		$loaded.css({height: settings.h});

		if (scrolltop) {
			$loaded.scrollTop(scrolltop);
		}

		var transition = options.transition !== undefined ? options.transition : settings.get('transition');
		var speed      = options.speed !== undefined ? options.speed : settings.get('speed');

		publicMethod.position(transition === 'none' ? 0 : speed);
	};

	publicMethod.prep = function(object) {
		if (!open) {
			return;
		}

		var callback, speed = settings.get('transition') === 'none' ? 0 : settings.get('speed');

		$loaded.remove();

		$loaded = $tag(div, 'loaded_content').append(object);

		function getWidth() {
			settings.w = settings.w || $loaded.width();
			settings.w = settings.mw && settings.mw < settings.w ? settings.mw : settings.w;
			return settings.w;
		}

		function getHeight() {
			settings.h = settings.h || $loaded.height();
			settings.h = settings.mh && settings.mh < settings.h ? settings.mh : settings.h;
			return settings.h;
		}

		$loaded.hide()
			.appendTo($loadingBay.show())// content has to be appended to the DOM for accurate size calculations.
			.css({width: getWidth(), overflow: settings.get('scrolling') ? 'auto' : 'hidden'})
			.css({height: getHeight()})// sets the height independently from the width in case the new width influences the value of height.
			.prependTo($content);

		$loadingBay.hide();

		// floating the IMG removes the bottom line-height and fixed a problem where IE miscalculates the width of the parent element as 100% of the document width.

		$(photo).css({'float': 'none'});

		setClass(settings.get('className'));

		callback = function() {
			var total = $related.length,
				iframe,
				complete;

			if (!open) {
				return;
			}

			complete = function() {
				clearTimeout(loadingTimer);
				$loadingOverlay.hide();
				trigger(event_complete);
				settings.get('onComplete');
			};

			$title.html(settings.get('title')).show();
			$loaded.show();

			if (total > 1) { // handle grouping
				if (typeof settings.get('current') === 'string') {
					$current.html(settings.get('current').replace('{current}', index + 1).replace('{total}', total))
						.attr('aria-live', 'polite')
						.show();
				}

				$showNext = (settings.get('loop') || index < total - 1);
				$next[$showNext ? 'show' : 'hide']()
					.html(settings.get('next'))
					.attr('aria-hidden', $showNext ? 'false' : 'true');
				$showPrev = (settings.get('loop') || index);
				$prev[$showPrev ? 'show' : 'hide']()
					.html(settings.get('previous'))
					.attr('aria-hidden', $showPrev ? 'false' : 'true');

				if (!($prev.is(':focus') || $next.is(':focus') || $close.is(':focus'))) {
					if ($showPrev) {
						$prev.focus();
					} else if ($showNext) {
						$next.focus();
					} else {
						$close.focus();
					}
				}

				slideshow();

				// Preloads images within a rel group
				if (settings.get('preloading')) {
					$.each([getIndex(-1), getIndex(1)], function() {
						var img,
							i        = $related[this],
							settings = new Settings(i, $.data(i, colorbox)),
							src      = settings.get('href');

						if (src && isImage(settings, src)) {
							src     = retinaUrl(settings, src);
							img     = document.createElement('img');
							img.src = src;
						}
					});
				}
			} else {
				$groupControls.hide();
			}

			if (settings.get('iframe')) {

				iframe = settings.get('createIframe');

				if (!settings.get('scrolling')) {
					iframe.scrolling = 'no';
				}

				$(iframe)
					.attr({
						src    : settings.get('href'),
						'class': $prefix('iframe')
					})
					.one('load', complete)
					.appendTo($loaded);

				$events.one(event_purge, function() {
					iframe.src = '//about:blank';
				});

				if (settings.get('fastIframe')) {
					$(iframe).trigger('load');
				}
			} else {
				complete();
			}
		};

		if (settings.get('transition') === 'fade') {
			$box.fadeTo(speed, 0, function() {
				publicMethod.position(0, callback);
			});
		} else {
			publicMethod.position(speed, callback);
		}
	};

	function load() {
		var href, setResize, prep = publicMethod.prep, $inline, request = ++requests;

		active = true;

		photo = false;

		trigger(event_purge);
		trigger(event_load);
		settings.get('onLoad');

		settings.h = settings.get('height') ?
			setSize(settings.get('height'), 'y') - loadedHeight - interfaceHeight :
			settings.get('innerHeight') && setSize(settings.get('innerHeight'), 'y');

		settings.w = settings.get('width') ?
			setSize(settings.get('width'), 'x') - loadedWidth - interfaceWidth :
			settings.get('innerWidth') && setSize(settings.get('innerWidth'), 'x');

		// Sets the minimum dimensions for use in image scaling
		settings.mw = settings.w;
		settings.mh = settings.h;

		// Re-evaluate the minimum width and height based on maxWidth and maxHeight values.
		// If the width or height exceed the maxWidth or maxHeight, use the maximum values instead.
		if (settings.get('maxWidth')) {
			settings.mw = setSize(settings.get('maxWidth'), 'x') - loadedWidth - interfaceWidth;
			settings.mw = settings.w && settings.w < settings.mw ? settings.w : settings.mw;
		}
		if (settings.get('maxHeight')) {
			settings.mh = setSize(settings.get('maxHeight'), 'y') - loadedHeight - interfaceHeight;
			settings.mh = settings.h && settings.h < settings.mh ? settings.h : settings.mh;
		}

		href = settings.get('href');

		loadingTimer = setTimeout(function() {
			$loadingOverlay.show();
		}, 100);

		if (settings.get('inline')) {
			var $target = $(href).eq(0);
			// Inserts an empty placeholder where inline content is being pulled from.
			// An event is bound to put inline content back when Colorbox closes or loads new content.
			$inline = $('<div>').hide().insertBefore($target);

			$events.one(event_purge, function() {
				$inline.replaceWith($target);
			});

			prep($target);
		} else if (settings.get('iframe')) {
			// IFrame element won't be added to the DOM until it is ready to be displayed,
			// to avoid problems with DOM-ready JS that might be trying to run in that iframe.
			prep(' ');
		} else if (settings.get('html')) {
			prep(settings.get('html'));
		} else if (isImage(settings, href)) {

			href = retinaUrl(settings, href);

			photo = settings.get('createImg');

			$(photo)
				.addClass($prefix('photo'))
				.bind('error.' + prefix, function() {
					prep($tag(div, 'error').html(settings.get('imgError')));
				})
				.one('load', function() {
					if (request !== requests) {
						return;
					}

					// A small pause because some browsers will occasionally report a
					// img.width and img.height of zero immediately after the img.onload fires
					setTimeout(function() {
						var percent;

						if (settings.get('retinaImage') && window.devicePixelRatio > 1) {
							photo.height = photo.height / window.devicePixelRatio;
							photo.width  = photo.width / window.devicePixelRatio;
						}

						if (settings.get('scalePhotos')) {
							setResize = function() {
								photo.height -= photo.height * percent;
								photo.width -= photo.width * percent;
							};
							if (settings.mw && photo.width > settings.mw) {
								percent = (photo.width - settings.mw) / photo.width;
								setResize();
							}
							if (settings.mh && photo.height > settings.mh) {
								percent = (photo.height - settings.mh) / photo.height;
								setResize();
							}
						}

						if (settings.h) {
							photo.style.marginTop = Math.max(settings.mh - photo.height, 0) / 2 + 'px';
						}

						if ($related[1] && (settings.get('loop') || $related[index + 1])) {
							photo.style.cursor = 'pointer';

							$(photo).bind('click.' + prefix + ' rl_modals_touchstart.' + prefix, function() {
								publicMethod.next();
							});
						}

						photo.style.width  = photo.width + 'px';
						photo.style.height = photo.height + 'px';
						prep(photo);
					}, 1);
				});

			photo.src = href;

		} else if (href) {
			$loadingBay.load(href, settings.get('data'), function(data, status) {
				if (request === requests) {
					prep(status === 'error' ? $tag(div, 'error').html(settings.get('xhrError')) : $(this).contents());
				}
			});
		}
	}

	// Navigates to the next page/image in a set.
	publicMethod.next = function() {
		if (!active && $related[1] && (settings.get('loop') || $related[index + 1])) {
			index = getIndex(1);
			launch($related[index]);
		}
	};

	publicMethod.prev = function() {
		if (!active && $related[1] && (settings.get('loop') || index)) {
			index = getIndex(-1);
			launch($related[index]);
		}
	};

	// Note: to use this within an iframe use the following format: parent.jQuery.colorbox.close();
	publicMethod.close = function() {
		if (open && !closing) {

			closing = true;
			open    = false;
			trigger(event_cleanup);
			settings.get('onCleanup');
			$window.unbind('.' + prefix);
			$overlay.fadeTo(settings.get('fadeOut') || 0, 0);

			$box.stop().fadeTo(settings.get('fadeOut') || 0, 0, function() {
				$box.hide().attr('aria-hidden', 'true');
				$overlay.hide();
				trigger(event_purge);
				$loaded.remove();

				setTimeout(function() {
					closing = false;
					trigger(event_closed);
					settings.get('onClosed');
				}, 1);
			});
		}
	};

	// Removes changes Colorbox made to the document, but does not remove the plugin.
	publicMethod.remove = function() {
		if (!$box) {
			return;
		}

		$box.stop();
		$[colorbox].close();
		$box.stop(false, true).remove();
		$overlay.remove();
		closing = false;
		$box    = null;
		$('.' + boxElement)
			.removeData(colorbox)
			.removeClass(boxElement);

		$(document).unbind('click.' + prefix + ' rl_modals_touchstart.' + prefix).unbind('keydown.' + prefix);
	};

	// A method for fetching the current element Colorbox is referencing.
	// returns a jQuery object.
	publicMethod.element = function() {
		return $(settings.el);
	};

	publicMethod.settings = defaults;

	$.event.special.rl_modals_touchstart = {
		setup: function(data, namespaces, eventHandle) {
			this.addEventListener('touchstart', eventHandle, {passive: false});
		}
	};
}(jQuery, document, window));