open: function()

in content/js/fancybox.js [231:366]
100 lines of code
41 McCabe index (conditional complexity)

		open: function (group, opts) {
			if (!group) {
				return;
			}

			if (!$.isPlainObject(opts)) {
				opts = {};
			}

			// Close if already active
			if (false === F.close(true)) {
				return;
			}

			// Normalize group
			if (!$.isArray(group)) {
				group = isQuery(group) ? $(group).get() : [group];
			}

			// Recheck if the type of each element is `object` and set content type (image, ajax, etc)
			$.each(group, function(i, element) {
				var obj = {},
					href,
					title,
					content,
					type,
					rez,
					hrefParts,
					selector;

				if ($.type(element) === "object") {
					// Check if is DOM element
					if (element.nodeType) {
						element = $(element);
					}

					if (isQuery(element)) {
						obj = {
							href    : element.attr('href'),
							title   : element.attr('title'),
							isDom   : true,
							element : element
						};

						if ($.metadata) {
							$.extend(true, obj, element.metadata());
						}

					} else {
						obj = element;
					}
				}

				href  = opts.href  || obj.href || (isString(element) ? element : null);
				title = opts.title !== undefined ? opts.title : obj.title || '';

				content = opts.content || obj.content;
				type    = content ? 'html' : (opts.type  || obj.type);

				if (!type && obj.isDom) {
					type = element.data('fancybox-type');

					if (!type) {
						rez  = element.prop('class').match(/fancybox\.(\w+)/);
						type = rez ? rez[1] : null;
					}
				}

				if (isString(href)) {
					// Try to guess the content type
					if (!type) {
						if (F.isImage(href)) {
							type = 'image';

						} else if (F.isSWF(href)) {
							type = 'swf';

						} else if (href.charAt(0) === '#') {
							type = 'inline';

						} else if (isString(element)) {
							type    = 'html';
							content = element;
						}
					}

					// Split url into two pieces with source url and content selector, e.g,
					// "/mypage.html #my_id" will load "/mypage.html" and display element having id "my_id"
					if (type === 'ajax') {
						hrefParts = href.split(/\s+/, 2);
						href      = hrefParts.shift();
						selector  = hrefParts.shift();
					}
				}

				if (!content) {
					if (type === 'inline') {
						if (href) {
							content = $( isString(href) ? href.replace(/.*(?=#[^\s]+$)/, '') : href ); //strip for ie7

						} else if (obj.isDom) {
							content = element;
						}

					} else if (type === 'html') {
						content = href;

					} else if (!type && !href && obj.isDom) {
						type    = 'inline';
						content = element;
					}
				}

				$.extend(obj, {
					href     : href,
					type     : type,
					content  : content,
					title    : title,
					selector : selector
				});

				group[ i ] = obj;
			});

			// Extend the defaults
			F.opts = $.extend(true, {}, F.defaults, opts);

			// All options are merged recursive except keys
			if (opts.keys !== undefined) {
				F.opts.keys = opts.keys ? $.extend({}, F.defaults.keys, opts.keys) : false;
			}

			F.group = group;

			return F._start(F.opts.index || 0);
		},