/*!
 * fancybox - jquery plugin
 * version: 2.1.5 (fri, 14 jun 2013)
 * @requires jquery v1.6 or later
 *
 * examples at http://fancyapps.com/fancybox/
 * license: www.fancyapps.com/fancybox/#license
 *
 * copyright 2012 janis skarnelis - janis@fancyapps.com
 *
 */

(function (window, document, $, undefined) {
	"use strict";

	var h = $("html"),
		w = $(window),
		d = $(document),
		f = $.fancybox = function () {
			f.open.apply( this, arguments );
		},
		ie =  navigator.useragent.match(/msie/i),
		didupdate	= null,
		istouch		= document.createtouch !== undefined,

		isquery	= function(obj) {
			return obj && obj.hasownproperty && obj instanceof $;
		},
		isstring = function(str) {
			return str && $.type(str) === "string";
		},
		ispercentage = function(str) {
			return isstring(str) && str.indexof('%') > 0;
		},
		isscrollable = function(el) {
			return (el && !(el.style.overflow && el.style.overflow === 'hidden') && ((el.clientwidth && el.scrollwidth > el.clientwidth) || (el.clientheight && el.scrollheight > el.clientheight)));
		},
		getscalar = function(orig, dim) {
			var value = parseint(orig, 10) || 0;

			if (dim && ispercentage(orig)) {
				value = f.getviewport()[ dim ] / 100 * value;
			}

			return math.ceil(value);
		},
		getvalue = function(value, dim) {
			return getscalar(value, dim) + 'px';
		};

	$.extend(f, {
		// the current version of fancybox
		version: '2.1.5',

		defaults: {
			padding : 15,
			margin  : 58,

			width     : 800,
			height    : 600,
			minwidth  : 100,
			minheight : 100,
			maxwidth  : 9999,
			maxheight : 9999,
			pixelratio: 1, // set to 2 for retina display support

			autosize   : true,
			autoheight : false,
			autowidth  : false,

			autoresize  : true,
			autocenter  : !istouch,
			fittoview   : true,
			aspectratio : false,
			topratio    : 0.5,
			leftratio   : 0.5,

			scrolling : 'auto', // 'auto', 'yes' or 'no'
			wrapcss   : '',

			arrows     : true,
			closebtn   : true,
			closeclick : false,
			nextclick  : false,
			mousewheel : true,
			autoplay   : false,
			playspeed  : 3000,
			preload    : 3,
			modal      : false,
			loop       : true,

			ajax  : {
				datatype : 'html',
				headers  : { 'x-fancybox': true }
			},
			iframe : {
				scrolling : 'auto',
				preload   : true
			},
			swf : {
				wmode: 'transparent',
				allowfullscreen   : 'true',
				allowscriptaccess : 'always'
			},

			keys  : {
				next : {
					13 : 'left', // enter
					34 : 'up',   // page down
					39 : 'left', // right arrow
					40 : 'up'    // down arrow
				},
				prev : {
					8  : 'right',  // backspace
					33 : 'down',   // page up
					37 : 'right',  // left arrow
					38 : 'down'    // up arrow
				},
				close  : [27], // escape key
				play   : [32], // space - start/stop slideshow
				toggle : [70]  // letter "f" - toggle fullscreen
			},

			direction : {
				next : 'left',
				prev : 'right'
			},

			scrolloutside  : true,

			// override some properties
			index   : 0,
			type    : null,
			href    : null,
			content : null,
			title   : null,

			// html templates
			tpl: {
				wrap     : '<div class="fancybox-wrap" tabindex="-1"><div class="fancybox-skin"><div class="fancybox-outer"><div class="fancybox-inner"></div></div></div></div>',
				image    : '<img class="fancybox-image" src="{href}" alt="" />',
				iframe   : '<iframe id="fancybox-frame{rnd}" name="fancybox-frame{rnd}" class="fancybox-iframe" frameborder="0" vspace="0" hspace="0" webkitallowfullscreen mozallowfullscreen allowfullscreen' + (ie ? ' allowtransparency="true"' : '') + '></iframe>',
				error    : '<p class="fancybox-error">the requested content cannot be loaded.<br/>please try again later.</p>',
				closebtn : '<a title="close" class="fancybox-item fancybox-close" href="javascript:;"></a>',
				next     : '<a title="next" class="fancybox-nav fancybox-next" href="javascript:;"><span></span></a>',
				prev     : '<a title="previous" class="fancybox-nav fancybox-prev" href="javascript:;"><span></span></a>'
			},

			// properties for each animation type
			// opening fancybox
			openeffect  : 'fade', // 'elastic', 'fade' or 'none'
			openspeed   : 250,
			openeasing  : 'swing',
			openopacity : true,
			openmethod  : 'zoomin',

			// closing fancybox
			closeeffect  : 'fade', // 'elastic', 'fade' or 'none'
			closespeed   : 250,
			closeeasing  : 'swing',
			closeopacity : true,
			closemethod  : 'zoomout',

			// changing next gallery item
			nexteffect : 'elastic', // 'elastic', 'fade' or 'none'
			nextspeed  : 250,
			nexteasing : 'swing',
			nextmethod : 'changein',

			// changing previous gallery item
			preveffect : 'elastic', // 'elastic', 'fade' or 'none'
			prevspeed  : 250,
			preveasing : 'swing',
			prevmethod : 'changeout',

			// enable default helpers
			helpers : {
				overlay : true,
				title   : true
			},

			// callbacks
			oncancel     : $.noop, // if canceling
			beforeload   : $.noop, // before loading
			afterload    : $.noop, // after loading
			beforeshow   : $.noop, // before changing in current item
			aftershow    : $.noop, // after opening
			beforechange : $.noop, // before changing gallery item
			beforeclose  : $.noop, // before closing
			afterclose   : $.noop  // after closing
		},

		//current state
		group    : {}, // selected group
		opts     : {}, // group options
		previous : null,  // previous element
		coming   : null,  // element being loaded
		current  : null,  // currently loaded element
		isactive : false, // is activated
		isopen   : false, // is currently open
		isopened : false, // have been fully opened at least once

		wrap  : null,
		skin  : null,
		outer : null,
		inner : null,

		player : {
			timer    : null,
			isactive : false
		},

		// loaders
		ajaxload   : null,
		imgpreload : null,

		// some collections
		transitions : {},
		helpers     : {},

		/*
		 *	static methods
		 */

		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.data('fancybox-href') || element.attr('href'),
							title   : element.data('fancybox-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);
		},

		// cancel image loading or abort ajax request
		cancel: function () {
			var coming = f.coming;

			if (!coming || false === f.trigger('oncancel')) {
				return;
			}

			f.hideloading();

			if (f.ajaxload) {
				f.ajaxload.abort();
			}

			f.ajaxload = null;

			if (f.imgpreload) {
				f.imgpreload.onload = f.imgpreload.onerror = null;
			}

			if (coming.wrap) {
				coming.wrap.stop(true, true).trigger('onreset').remove();
			}

			f.coming = null;

			// if the first item has been canceled, then clear everything
			if (!f.current) {
				f._afterzoomout( coming );
			}
		},

		// start closing animation if is open; remove immediately if opening/closing
		close: function (event) {
			f.cancel();

			if (false === f.trigger('beforeclose')) {
				return;
			}

			f.unbindevents();

			if (!f.isactive) {
				return;
			}

			if (!f.isopen || event === true) {
				$('.fancybox-wrap').stop(true).trigger('onreset').remove();

				f._afterzoomout();

			} else {
				f.isopen = f.isopened = false;
				f.isclosing = true;

				$('.fancybox-item, .fancybox-nav').remove();

				f.wrap.stop(true, true).removeclass('fancybox-opened');

				f.transitions[ f.current.closemethod ]();
			}
		},

		// manage slideshow:
		//   $.fancybox.play(); - toggle slideshow
		//   $.fancybox.play( true ); - start
		//   $.fancybox.play( false ); - stop
		play: function ( action ) {
			var clear = function () {
					cleartimeout(f.player.timer);
				},
				set = function () {
					clear();

					if (f.current && f.player.isactive) {
						f.player.timer = settimeout(f.next, f.current.playspeed);
					}
				},
				stop = function () {
					clear();

					d.unbind('.player');

					f.player.isactive = false;

					f.trigger('onplayend');
				},
				start = function () {
					if (f.current && (f.current.loop || f.current.index < f.group.length - 1)) {
						f.player.isactive = true;

						d.bind({
							'oncancel.player beforeclose.player' : stop,
							'onupdate.player'   : set,
							'beforeload.player' : clear
						});

						set();

						f.trigger('onplaystart');
					}
				};

			if (action === true || (!f.player.isactive && action !== false)) {
				start();
			} else {
				stop();
			}
		},

		// navigate to next gallery item
		next: function ( direction ) {
			var current = f.current;

			if (current) {
				if (!isstring(direction)) {
					direction = current.direction.next;
				}

				f.jumpto(current.index + 1, direction, 'next');
			}
		},

		// navigate to previous gallery item
		prev: function ( direction ) {
			var current = f.current;

			if (current) {
				if (!isstring(direction)) {
					direction = current.direction.prev;
				}

				f.jumpto(current.index - 1, direction, 'prev');
			}
		},

		// navigate to gallery item by index
		jumpto: function ( index, direction, router ) {
			var current = f.current;

			if (!current) {
				return;
			}

			index = getscalar(index);

			f.direction = direction || current.direction[ (index >= current.index ? 'next' : 'prev') ];
			f.router    = router || 'jumpto';

			if (current.loop) {
				if (index < 0) {
					index = current.group.length + (index % current.group.length);
				}

				index = index % current.group.length;
			}

			if (current.group[ index ] !== undefined) {
				f.cancel();

				f._start(index);
			}
		},

		// center inside viewport and toggle position type to fixed or absolute if needed
		reposition: function (e, onlyabsolute) {
			var current = f.current,
				wrap    = current ? current.wrap : null,
				pos;

			if (wrap) {
				pos = f._getposition(onlyabsolute);

				if (e && e.type === 'scroll') {
					delete pos.position;

					wrap.stop(true, true).animate(pos, 200);

				} else {
					wrap.css(pos);

					current.pos = $.extend({}, current.dim, pos);
				}
			}
		},

		update: function (e) {
			var type = (e && e.type),
				anyway = !type || type === 'orientationchange';

			if (anyway) {
				cleartimeout(didupdate);

				didupdate = null;
			}

			if (!f.isopen || didupdate) {
				return;
			}

			didupdate = settimeout(function() {
				var current = f.current;

				if (!current || f.isclosing) {
					return;
				}

				f.wrap.removeclass('fancybox-tmp');

				if (anyway || type === 'load' || (type === 'resize' && current.autoresize)) {
					f._setdimension();
				}

				if (!(type === 'scroll' && current.canshrink)) {
					f.reposition(e);
				}

				f.trigger('onupdate');

				didupdate = null;

			}, (anyway && !istouch ? 0 : 300));
		},

		// shrink content to fit inside viewport or restore if resized
		toggle: function ( action ) {
			if (f.isopen) {
				f.current.fittoview = $.type(action) === "boolean" ? action : !f.current.fittoview;

				// help browser to restore document dimensions
				if (istouch) {
					f.wrap.removeattr('style').addclass('fancybox-tmp');

					f.trigger('onupdate');
				}

				f.update();
			}
		},

		hideloading: function () {
			d.unbind('.loading');

			$('#fancybox-loading').remove();
		},

		showloading: function () {
			var el, viewport;

			f.hideloading();

			el = $('<div id="fancybox-loading"><div></div></div>').click(f.cancel).appendto('body');

			// if user will press the escape-button, the request will be canceled
			d.bind('keydown.loading', function(e) {
				if ((e.which || e.keycode) === 27) {
					e.preventdefault();

					f.cancel();
				}
			});

			if (!f.defaults.fixed) {
				viewport = f.getviewport();

				el.css({
					position : 'absolute',
					top  : (viewport.h * 0.5) + viewport.y,
					left : (viewport.w * 0.5) + viewport.x
				});
			}
		},

		getviewport: function () {
			var locked = (f.current && f.current.locked) || false,
				rez    = {
					x: w.scrollleft(),
					y: w.scrolltop()
				};

			if (locked) {
				rez.w = locked[0].clientwidth;
				rez.h = locked[0].clientheight;

			} else {
				// see http://bugs.jquery.com/ticket/6724
				rez.w = istouch && window.innerwidth  ? window.innerwidth  : w.width();
				rez.h = istouch && window.innerheight ? window.innerheight : w.height();
			}

			return rez;
		},

		// unbind the keyboard / clicking actions
		unbindevents: function () {
			if (f.wrap && isquery(f.wrap)) {
				f.wrap.unbind('.fb');
			}

			d.unbind('.fb');
			w.unbind('.fb');
		},

		bindevents: function () {
			var current = f.current,
				keys;

			if (!current) {
				return;
			}

			// changing document height on ios devices triggers a 'resize' event,
			// that can change document height... repeating infinitely
			w.bind('orientationchange.fb' + (istouch ? '' : ' resize.fb') + (current.autocenter && !current.locked ? ' scroll.fb' : ''), f.update);

			keys = current.keys;

			if (keys) {
				d.bind('keydown.fb', function (e) {
					var code   = e.which || e.keycode,
						target = e.target || e.srcelement;

					// skip esc key if loading, because showloading will cancel preloading
					if (code === 27 && f.coming) {
						return false;
					}

					// ignore key combinations and key events within form elements
					if (!e.ctrlkey && !e.altkey && !e.shiftkey && !e.metakey && !(target && (target.type || $(target).is('[contenteditable]')))) {
						$.each(keys, function(i, val) {
							if (current.group.length > 1 && val[ code ] !== undefined) {
								f[ i ]( val[ code ] );

								e.preventdefault();
								return false;
							}

							if ($.inarray(code, val) > -1) {
								f[ i ] ();

								e.preventdefault();
								return false;
							}
						});
					}
				});
			}

			if ($.fn.mousewheel && current.mousewheel) {
				f.wrap.bind('mousewheel.fb', function (e, delta, deltax, deltay) {
					var target = e.target || null,
						parent = $(target),
						canscroll = false;

					while (parent.length) {
						if (canscroll || parent.is('.fancybox-skin') || parent.is('.fancybox-wrap')) {
							break;
						}

						canscroll = isscrollable( parent[0] );
						parent    = $(parent).parent();
					}

					if (delta !== 0 && !canscroll) {
						if (f.group.length > 1 && !current.canshrink) {
							if (deltay > 0 || deltax > 0) {
								f.prev( deltay > 0 ? 'down' : 'left' );

							} else if (deltay < 0 || deltax < 0) {
								f.next( deltay < 0 ? 'up' : 'right' );
							}

							e.preventdefault();
						}
					}
				});
			}
		},

		trigger: function (event, o) {
			var ret, obj = o || f.coming || f.current;

			if (!obj) {
				return;
			}

			if ($.isfunction( obj[event] )) {
				ret = obj[event].apply(obj, array.prototype.slice.call(arguments, 1));
			}

			if (ret === false) {
				return false;
			}

			if (obj.helpers) {
				$.each(obj.helpers, function (helper, opts) {
					if (opts && f.helpers[helper] && $.isfunction(f.helpers[helper][event])) {
						f.helpers[helper][event]($.extend(true, {}, f.helpers[helper].defaults, opts), obj);
					}
				});
			}

			d.trigger(event);
		},

		isimage: function (str) {
			return isstring(str) && str.match(/(^data:image\/.*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg)((\?|#).*)?$)/i);
		},

		isswf: function (str) {
			return isstring(str) && str.match(/\.(swf)((\?|#).*)?$/i);
		},

		_start: function (index) {
			var coming = {},
				obj,
				href,
				type,
				margin,
				padding;

			index = getscalar( index );
			obj   = f.group[ index ] || null;

			if (!obj) {
				return false;
			}

			coming = $.extend(true, {}, f.opts, obj);

			// convert margin and padding properties to array - top, right, bottom, left
			margin  = coming.margin;
			padding = coming.padding;

			if ($.type(margin) === 'number') {
				coming.margin = [margin, margin, margin, margin];
			}

			if ($.type(padding) === 'number') {
				coming.padding = [padding, padding, padding, padding];
			}

			// 'modal' propery is just a shortcut
			if (coming.modal) {
				$.extend(true, coming, {
					closebtn   : false,
					closeclick : false,
					nextclick  : false,
					arrows     : false,
					mousewheel : false,
					keys       : null,
					helpers: {
						overlay : {
							closeclick : false
						}
					}
				});
			}

			// 'autosize' property is a shortcut, too
			if (coming.autosize) {
				coming.autowidth = coming.autoheight = true;
			}

			if (coming.width === 'auto') {
				coming.autowidth = true;
			}

			if (coming.height === 'auto') {
				coming.autoheight = true;
			}

			/*
			 * add reference to the group, so it`s possible to access from callbacks, example:
			 * afterload : function() {
			 *     this.title = 'image ' + (this.index + 1) + ' of ' + this.group.length + (this.title ? ' - ' + this.title : '');
			 * }
			 */

			coming.group  = f.group;
			coming.index  = index;

			// give a chance for callback or helpers to update coming item (type, title, etc)
			f.coming = coming;

			if (false === f.trigger('beforeload')) {
				f.coming = null;

				return;
			}

			type = coming.type;
			href = coming.href;

			if (!type) {
				f.coming = null;

				//if we can not determine content type then drop silently or display next/prev item if looping through gallery
				if (f.current && f.router && f.router !== 'jumpto') {
					f.current.index = index;

					return f[ f.router ]( f.direction );
				}

				return false;
			}

			f.isactive = true;

			if (type === 'image' || type === 'swf') {
				coming.autoheight = coming.autowidth = false;
				coming.scrolling  = 'visible';
			}

			if (type === 'image') {
				coming.aspectratio = true;
			}

			if (type === 'iframe' && istouch) {
				coming.scrolling = 'scroll';
			}

			// build the neccessary markup
			coming.wrap = $(coming.tpl.wrap).addclass('fancybox-' + (istouch ? 'mobile' : 'desktop') + ' fancybox-type-' + type + ' fancybox-tmp ' + coming.wrapcss).appendto( coming.parent || 'body' );

			$.extend(coming, {
				skin  : $('.fancybox-skin',  coming.wrap),
				outer : $('.fancybox-outer', coming.wrap),
				inner : $('.fancybox-inner', coming.wrap)
			});

			$.each(["top", "right", "bottom", "left"], function(i, v) {
				coming.skin.css('padding' + v, getvalue(coming.padding[ i ]));
			});

			f.trigger('onready');

			// check before try to load; 'inline' and 'html' types need content, others - href
			if (type === 'inline' || type === 'html') {
				if (!coming.content || !coming.content.length) {
					return f._error( 'content' );
				}

			} else if (!href) {
				return f._error( 'href' );
			}

			if (type === 'image') {
				f._loadimage();

			} else if (type === 'ajax') {
				f._loadajax();

			} else if (type === 'iframe') {
				f._loadiframe();

			} else {
				f._afterload();
			}
		},

		_error: function ( type ) {
			$.extend(f.coming, {
				type       : 'html',
				autowidth  : true,
				autoheight : true,
				minwidth   : 0,
				minheight  : 0,
				scrolling  : 'no',
				haserror   : type,
				content    : f.coming.tpl.error
			});

			f._afterload();
		},

		_loadimage: function () {
			// reset preload image so it is later possible to check "complete" property
			var img = f.imgpreload = new image();

			img.onload = function () {
				this.onload = this.onerror = null;

				f.coming.width  = this.width / f.opts.pixelratio;
				f.coming.height = this.height / f.opts.pixelratio;

				f._afterload();
			};

			img.onerror = function () {
				this.onload = this.onerror = null;

				f._error( 'image' );
			};

			img.src = f.coming.href;

			if (img.complete !== true) {
				f.showloading();
			}
		},

		_loadajax: function () {
			var coming = f.coming;

			f.showloading();

			f.ajaxload = $.ajax($.extend({}, coming.ajax, {
				url: coming.href,
				error: function (jqxhr, textstatus) {
					if (f.coming && textstatus !== 'abort') {
						f._error( 'ajax', jqxhr );

					} else {
						f.hideloading();
					}
				},
				success: function (data, textstatus) {
					if (textstatus === 'success') {
						coming.content = data;

						f._afterload();
					}
				}
			}));
		},

		_loadiframe: function() {
			var coming = f.coming,
				iframe = $(coming.tpl.iframe.replace(/\{rnd\}/g, new date().gettime()))
					.attr('scrolling', istouch ? 'auto' : coming.iframe.scrolling)
					.attr('src', coming.href);

			// this helps ie
			$(coming.wrap).bind('onreset', function () {
				try {
					$(this).find('iframe').hide().attr('src', '//about:blank').end().empty();
				} catch (e) {}
			});

			if (coming.iframe.preload) {
				f.showloading();

				iframe.one('load', function() {
					$(this).data('ready', 1);

					// ios will lose scrolling if we resize
					if (!istouch) {
						$(this).bind('load.fb', f.update);
					}

					// without this trick:
					//   - iframe won't scroll on ios devices
					//   - ie7 sometimes displays empty iframe
					$(this).parents('.fancybox-wrap').width('100%').removeclass('fancybox-tmp').show();

					f._afterload();
				});
			}

			coming.content = iframe.appendto( coming.inner );

			if (!coming.iframe.preload) {
				f._afterload();
			}
		},

		_preloadimages: function() {
			var group   = f.group,
				current = f.current,
				len     = group.length,
				cnt     = current.preload ? math.min(current.preload, len - 1) : 0,
				item,
				i;

			for (i = 1; i <= cnt; i += 1) {
				item = group[ (current.index + i ) % len ];

				if (item.type === 'image' && item.href) {
					new image().src = item.href;
				}
			}
		},

		_afterload: function () {
			var coming   = f.coming,
				previous = f.current,
				placeholder = 'fancybox-placeholder',
				current,
				content,
				type,
				scrolling,
				href,
				embed;

			f.hideloading();

			if (!coming || f.isactive === false) {
				return;
			}

			if (false === f.trigger('afterload', coming, previous)) {
				coming.wrap.stop(true).trigger('onreset').remove();

				f.coming = null;

				return;
			}

			if (previous) {
				f.trigger('beforechange', previous);

				previous.wrap.stop(true).removeclass('fancybox-opened')
					.find('.fancybox-item, .fancybox-nav')
					.remove();
			}

			f.unbindevents();

			current   = coming;
			content   = coming.content;
			type      = coming.type;
			scrolling = coming.scrolling;

			$.extend(f, {
				wrap  : current.wrap,
				skin  : current.skin,
				outer : current.outer,
				inner : current.inner,
				current  : current,
				previous : previous
			});

			href = current.href;

			switch (type) {
				case 'inline':
				case 'ajax':
				case 'html':
					if (current.selector) {
						content = $('<div>').html(content).find(current.selector);

					} else if (isquery(content)) {
						if (!content.data(placeholder)) {
							content.data(placeholder, $('<div class="' + placeholder + '"></div>').insertafter( content ).hide() );
						}

						content = content.show().detach();

						current.wrap.bind('onreset', function () {
							if ($(this).find(content).length) {
								content.hide().replaceall( content.data(placeholder) ).data(placeholder, false);
							}
						});
					}
				break;

				case 'image':
					content = current.tpl.image.replace('{href}', href);
				break;

				case 'swf':
					content = '<object id="fancybox-swf" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" width="100%" height="100%"><param name="movie" value="' + href + '"></param>';
					embed   = '';

					$.each(current.swf, function(name, val) {
						content += '<param name="' + name + '" value="' + val + '"></param>';
						embed   += ' ' + name + '="' + val + '"';
					});

					content += '<embed src="' + href + '" type="application/x-shockwave-flash" width="100%" height="100%"' + embed + '></embed></object>';
				break;
			}

			if (!(isquery(content) && content.parent().is(current.inner))) {
				current.inner.append( content );
			}

			// give a chance for helpers or callbacks to update elements
			f.trigger('beforeshow');

			// set scrolling before calculating dimensions
			current.inner.css('overflow', scrolling === 'yes' ? 'scroll' : (scrolling === 'no' ? 'hidden' : scrolling));

			// set initial dimensions and start position
			f._setdimension();

			f.reposition();

			f.isopen = false;
			f.coming = null;

			f.bindevents();

			if (!f.isopened) {
				$('.fancybox-wrap').not( current.wrap ).stop(true).trigger('onreset').remove();

			} else if (previous.prevmethod) {
				f.transitions[ previous.prevmethod ]();
			}

			f.transitions[ f.isopened ? current.nextmethod : current.openmethod ]();

			f._preloadimages();
		},

		_setdimension: function () {
			var viewport   = f.getviewport(),
				steps      = 0,
				canshrink  = false,
				canexpand  = false,
				wrap       = f.wrap,
				skin       = f.skin,
				inner      = f.inner,
				current    = f.current,
				width      = current.width,
				height     = current.height,
				minwidth   = current.minwidth,
				minheight  = current.minheight,
				maxwidth   = current.maxwidth,
				maxheight  = current.maxheight,
				scrolling  = current.scrolling,
				scrollout  = current.scrolloutside ? current.scrollbarwidth : 0,
				margin     = current.margin,
				wmargin    = getscalar(margin[1] + margin[3]),
				hmargin    = getscalar(margin[0] + margin[2]),
				wpadding,
				hpadding,
				wspace,
				hspace,
				origwidth,
				origheight,
				origmaxwidth,
				origmaxheight,
				ratio,
				width_,
				height_,
				maxwidth_,
				maxheight_,
				iframe,
				body;

			// reset dimensions so we could re-check actual size
			wrap.add(skin).add(inner).width('auto').height('auto').removeclass('fancybox-tmp');

			wpadding = getscalar(skin.outerwidth(true)  - skin.width());
			hpadding = getscalar(skin.outerheight(true) - skin.height());

			// any space between content and viewport (margin, padding, border, title)
			wspace = wmargin + wpadding;
			hspace = hmargin + hpadding;

			origwidth  = ispercentage(width)  ? (viewport.w - wspace) * getscalar(width)  / 100 : width;
			origheight = ispercentage(height) ? (viewport.h - hspace) * getscalar(height) / 100 : height;

			if (current.type === 'iframe') {
				iframe = current.content;

				if (current.autoheight && iframe.data('ready') === 1) {
					try {
						if (iframe[0].contentwindow.document.location) {
							inner.width( origwidth ).height(9999);

							body = iframe.contents().find('body');

							if (scrollout) {
								body.css('overflow-x', 'hidden');
							}

							origheight = body.outerheight(true);
						}

					} catch (e) {}
				}

			} else if (current.autowidth || current.autoheight) {
				inner.addclass( 'fancybox-tmp' );

				// set width or height in case we need to calculate only one dimension
				if (!current.autowidth) {
					inner.width( origwidth );
				}

				if (!current.autoheight) {
					inner.height( origheight );
				}

				if (current.autowidth) {
					origwidth = inner.width();
				}

				if (current.autoheight) {
					origheight = inner.height();
				}

				inner.removeclass( 'fancybox-tmp' );
			}

			width  = getscalar( origwidth );
			height = getscalar( origheight );

			ratio  = origwidth / origheight;

			// calculations for the content
			minwidth  = getscalar(ispercentage(minwidth) ? getscalar(minwidth, 'w') - wspace : minwidth);
			maxwidth  = getscalar(ispercentage(maxwidth) ? getscalar(maxwidth, 'w') - wspace : maxwidth);

			minheight = getscalar(ispercentage(minheight) ? getscalar(minheight, 'h') - hspace : minheight);
			maxheight = getscalar(ispercentage(maxheight) ? getscalar(maxheight, 'h') - hspace : maxheight);

			// these will be used to determine if wrap can fit in the viewport
			origmaxwidth  = maxwidth;
			origmaxheight = maxheight;

			if (current.fittoview) {
				maxwidth  = math.min(viewport.w - wspace, maxwidth);
				maxheight = math.min(viewport.h - hspace, maxheight);
			}

			maxwidth_  = viewport.w - wmargin;
			maxheight_ = viewport.h - hmargin;

			if (current.aspectratio) {
				if (width > maxwidth) {
					width  = maxwidth;
					height = getscalar(width / ratio);
				}

				if (height > maxheight) {
					height = maxheight;
					width  = getscalar(height * ratio);
				}

				if (width < minwidth) {
					width  = minwidth;
					height = getscalar(width / ratio);
				}

				if (height < minheight) {
					height = minheight;
					width  = getscalar(height * ratio);
				}

			} else {
				width = math.max(minwidth, math.min(width, maxwidth));

				if (current.autoheight && current.type !== 'iframe') {
					inner.width( width );

					height = inner.height();
				}

				height = math.max(minheight, math.min(height, maxheight));
			}

			// try to fit inside viewport (including the title)
			if (current.fittoview) {
				inner.width( width ).height( height );

				wrap.width( width + wpadding );

				// real wrap dimensions
				width_  = wrap.width();
				height_ = wrap.height();

				if (current.aspectratio) {
					while ((width_ > maxwidth_ || height_ > maxheight_) && width > minwidth && height > minheight) {
						if (steps++ > 19) {
							break;
						}

						height = math.max(minheight, math.min(maxheight, height - 10));
						width  = getscalar(height * ratio);

						if (width < minwidth) {
							width  = minwidth;
							height = getscalar(width / ratio);
						}

						if (width > maxwidth) {
							width  = maxwidth;
							height = getscalar(width / ratio);
						}

						inner.width( width ).height( height );

						wrap.width( width + wpadding );

						width_  = wrap.width();
						height_ = wrap.height();
					}

				} else {
					width  = math.max(minwidth,  math.min(width,  width  - (width_  - maxwidth_)));
					height = math.max(minheight, math.min(height, height - (height_ - maxheight_)));
				}
			}

			if (scrollout && scrolling === 'auto' && height < origheight && (width + wpadding + scrollout) < maxwidth_) {
				width += scrollout;
			}

			inner.width( width ).height( height );

			wrap.width( width + wpadding );

			width_  = wrap.width();
			height_ = wrap.height();

			canshrink = (width_ > maxwidth_ || height_ > maxheight_) && width > minwidth && height > minheight;
			canexpand = current.aspectratio ? (width < origmaxwidth && height < origmaxheight && width < origwidth && height < origheight) : ((width < origmaxwidth || height < origmaxheight) && (width < origwidth || height < origheight));

			$.extend(current, {
				dim : {
					width	: getvalue( width_ ),
					height	: getvalue( height_ )
				},
				origwidth  : origwidth,
				origheight : origheight,
				canshrink  : canshrink,
				canexpand  : canexpand,
				wpadding   : wpadding,
				hpadding   : hpadding,
				wrapspace  : height_ - skin.outerheight(true),
				skinspace  : skin.height() - height
			});

			if (!iframe && current.autoheight && height > minheight && height < maxheight && !canexpand) {
				inner.height('auto');
			}
		},

		_getposition: function (onlyabsolute) {
			var current  = f.current,
				viewport = f.getviewport(),
				margin   = current.margin,
				width    = f.wrap.width()  + margin[1] + margin[3],
				height   = f.wrap.height() + margin[0] + margin[2],
				rez      = {
					position: 'absolute',
					top  : margin[0],
					left : margin[3]
				};

			if (current.autocenter && current.fixed && !onlyabsolute && height <= viewport.h && width <= viewport.w) {
				rez.position = 'fixed';

			} else if (!current.locked) {
				rez.top  += viewport.y;
				rez.left += viewport.x;
			}

			rez.top  = getvalue(math.max(rez.top,  rez.top  + ((viewport.h - height) * current.topratio)));
			rez.left = getvalue(math.max(rez.left, rez.left + ((viewport.w - width)  * current.leftratio)));

			return rez;
		},

		_afterzoomin: function () {
			var current = f.current;

			if (!current) {
				return;
			}

			f.isopen = f.isopened = true;

			f.wrap.css('overflow', 'visible').addclass('fancybox-opened');

			f.update();

			// assign a click event
			if ( current.closeclick || (current.nextclick && f.group.length > 1) ) {
				f.inner.css('cursor', 'pointer').bind('click.fb', function(e) {
					if (!$(e.target).is('a') && !$(e.target).parent().is('a')) {
						e.preventdefault();

						f[ current.closeclick ? 'close' : 'next' ]();
					}
				});
			}

			// create a close button
			if (current.closebtn) {
				$(current.tpl.closebtn).appendto(f.skin).bind('click.fb', function(e) {
					e.preventdefault();

					f.close();
				});
			}

			// create navigation arrows
			if (current.arrows && f.group.length > 1) {
				if (current.loop || current.index > 0) {
					$(current.tpl.prev).appendto(f.outer).bind('click.fb', f.prev);
				}

				if (current.loop || current.index < f.group.length - 1) {
					$(current.tpl.next).appendto(f.outer).bind('click.fb', f.next);
				}
			}

			f.trigger('aftershow');

			// stop the slideshow if this is the last item
			if (!current.loop && current.index === current.group.length - 1) {
				f.play( false );

			} else if (f.opts.autoplay && !f.player.isactive) {
				f.opts.autoplay = false;

				f.play();
			}
		},

		_afterzoomout: function ( obj ) {
			obj = obj || f.current;

			$('.fancybox-wrap').trigger('onreset').remove();

			$.extend(f, {
				group  : {},
				opts   : {},
				router : false,
				current   : null,
				isactive  : false,
				isopened  : false,
				isopen    : false,
				isclosing : false,
				wrap   : null,
				skin   : null,
				outer  : null,
				inner  : null
			});

			f.trigger('afterclose', obj);
		}
	});

	/*
	 *	default transitions
	 */

	f.transitions = {
		getorigposition: function () {
			var current  = f.current,
				element  = current.element,
				orig     = current.orig,
				pos      = {},
				width    = 50,
				height   = 50,
				hpadding = current.hpadding,
				wpadding = current.wpadding,
				viewport = f.getviewport();

			if (!orig && current.isdom && element.is(':visible')) {
				orig = element.find('img:first');

				if (!orig.length) {
					orig = element;
				}
			}

			if (isquery(orig)) {
				pos = orig.offset();

				if (orig.is('img')) {
					width  = orig.outerwidth();
					height = orig.outerheight();
				}

			} else {
				pos.top  = viewport.y + (viewport.h - height) * current.topratio;
				pos.left = viewport.x + (viewport.w - width)  * current.leftratio;
			}

			if (f.wrap.css('position') === 'fixed' || current.locked) {
				pos.top  -= viewport.y;
				pos.left -= viewport.x;
			}

			pos = {
				top     : getvalue(pos.top  - hpadding * current.topratio),
				left    : getvalue(pos.left - wpadding * current.leftratio),
				width   : getvalue(width  + wpadding),
				height  : getvalue(height + hpadding)
			};

			return pos;
		},

		step: function (now, fx) {
			var ratio,
				padding,
				value,
				prop       = fx.prop,
				current    = f.current,
				wrapspace  = current.wrapspace,
				skinspace  = current.skinspace;

			if (prop === 'width' || prop === 'height') {
				ratio = fx.end === fx.start ? 1 : (now - fx.start) / (fx.end - fx.start);

				if (f.isclosing) {
					ratio = 1 - ratio;
				}

				padding = prop === 'width' ? current.wpadding : current.hpadding;
				value   = now - padding;

				f.skin[ prop ](  getscalar( prop === 'width' ?  value : value - (wrapspace * ratio) ) );
				f.inner[ prop ]( getscalar( prop === 'width' ?  value : value - (wrapspace * ratio) - (skinspace * ratio) ) );
			}
		},

		zoomin: function () {
			var current  = f.current,
				startpos = current.pos,
				effect   = current.openeffect,
				elastic  = effect === 'elastic',
				endpos   = $.extend({opacity : 1}, startpos);

			// remove "position" property that breaks older ie
			delete endpos.position;

			if (elastic) {
				startpos = this.getorigposition();

				if (current.openopacity) {
					startpos.opacity = 0.1;
				}

			} else if (effect === 'fade') {
				startpos.opacity = 0.1;
			}

			f.wrap.css(startpos).animate(endpos, {
				duration : effect === 'none' ? 0 : current.openspeed,
				easing   : current.openeasing,
				step     : elastic ? this.step : null,
				complete : f._afterzoomin
			});
		},

		zoomout: function () {
			var current  = f.current,
				effect   = current.closeeffect,
				elastic  = effect === 'elastic',
				endpos   = {opacity : 0.1};

			if (elastic) {
				endpos = this.getorigposition();

				if (current.closeopacity) {
					endpos.opacity = 0.1;
				}
			}

			f.wrap.animate(endpos, {
				duration : effect === 'none' ? 0 : current.closespeed,
				easing   : current.closeeasing,
				step     : elastic ? this.step : null,
				complete : f._afterzoomout
			});
		},

		changein: function () {
			var current   = f.current,
				effect    = current.nexteffect,
				startpos  = current.pos,
				endpos    = { opacity : 1 },
				direction = f.direction,
				distance  = 200,
				field;

			startpos.opacity = 0.1;

			if (effect === 'elastic') {
				field = direction === 'down' || direction === 'up' ? 'top' : 'left';

				if (direction === 'down' || direction === 'right') {
					startpos[ field ] = getvalue(getscalar(startpos[ field ]) - distance);
					endpos[ field ]   = '+=' + distance + 'px';

				} else {
					startpos[ field ] = getvalue(getscalar(startpos[ field ]) + distance);
					endpos[ field ]   = '-=' + distance + 'px';
				}
			}

			// workaround for http://bugs.jquery.com/ticket/12273
			if (effect === 'none') {
				f._afterzoomin();

			} else {
				f.wrap.css(startpos).animate(endpos, {
					duration : current.nextspeed,
					easing   : current.nexteasing,
					complete : f._afterzoomin
				});
			}
		},

		changeout: function () {
			var previous  = f.previous,
				effect    = previous.preveffect,
				endpos    = { opacity : 0.1 },
				direction = f.direction,
				distance  = 200;

			if (effect === 'elastic') {
				endpos[ direction === 'down' || direction === 'up' ? 'top' : 'left' ] = ( direction === 'up' || direction === 'left' ? '-' : '+' ) + '=' + distance + 'px';
			}

			previous.wrap.animate(endpos, {
				duration : effect === 'none' ? 0 : previous.prevspeed,
				easing   : previous.preveasing,
				complete : function () {
					$(this).trigger('onreset').remove();
				}
			});
		}
	};

	/*
	 *	overlay helper
	 */

	f.helpers.overlay = {
		defaults : {
			closeclick : true,      // if true, fancybox will be closed when user clicks on the overlay
			speedout   : 200,       // duration of fadeout animation
			showearly  : true,      // indicates if should be opened immediately or wait until the content is ready
			css        : {},        // custom css properties
			locked     : !istouch,  // if true, the content will be locked into overlay
			fixed      : true       // if false, the overlay css position property will not be set to "fixed"
		},

		overlay : null,      // current handle
		fixed   : false,     // indicates if the overlay has position "fixed"
		el      : $('html'), // element that contains "the lock"

		// public methods
		create : function(opts) {
			opts = $.extend({}, this.defaults, opts);

			if (this.overlay) {
				this.close();
			}

			this.overlay = $('<div class="fancybox-overlay"></div>').appendto( f.coming ? f.coming.parent : opts.parent );
			this.fixed   = false;

			if (opts.fixed && f.defaults.fixed) {
				this.overlay.addclass('fancybox-overlay-fixed');

				this.fixed = true;
			}
		},

		open : function(opts) {
			var that = this;

			opts = $.extend({}, this.defaults, opts);

			if (this.overlay) {
				this.overlay.unbind('.overlay').width('auto').height('auto');

			} else {
				this.create(opts);
			}

			if (!this.fixed) {
				w.bind('resize.overlay', $.proxy( this.update, this) );

				this.update();
			}

			if (opts.closeclick) {
				this.overlay.bind('click.overlay', function(e) {
					if ($(e.target).hasclass('fancybox-overlay')) {
						if (f.isactive) {
							f.close();
						} else {
							that.close();
						}

						return false;
					}
				});
			}

			this.overlay.css( opts.css ).show();
		},

		close : function() {
			var scrollv, scrollh;

			w.unbind('resize.overlay');

			if (this.el.hasclass('fancybox-lock')) {
				$('.fancybox-margin').removeclass('fancybox-margin');

				scrollv = w.scrolltop();
				scrollh = w.scrollleft();

				this.el.removeclass('fancybox-lock');

				w.scrolltop( scrollv ).scrollleft( scrollh );
			}

			$('.fancybox-overlay').remove().hide();

			$.extend(this, {
				overlay : null,
				fixed   : false
			});
		},

		// private, callbacks

		update : function () {
			var width = '100%', offsetwidth;

			// reset width/height so it will not mess
			this.overlay.width(width).height('100%');

			// jquery does not return reliable result for ie
			if (ie) {
				offsetwidth = math.max(document.documentelement.offsetwidth, document.body.offsetwidth);

				if (d.width() > offsetwidth) {
					width = d.width();
				}

			} else if (d.width() > w.width()) {
				width = d.width();
			}

			this.overlay.width(width).height(d.height());
		},

		// this is where we can manipulate dom, because later it would cause iframes to reload
		onready : function (opts, obj) {
			var overlay = this.overlay;

			$('.fancybox-overlay').stop(true, true);

			if (!overlay) {
				this.create(opts);
			}

			if (opts.locked && this.fixed && obj.fixed) {
				if (!overlay) {
					this.margin = d.height() > w.height() ? $('html').css('margin-right').replace("px", "") : false;
				}

				obj.locked = this.overlay.append( obj.wrap );
				obj.fixed  = false;
			}

			if (opts.showearly === true) {
				this.beforeshow.apply(this, arguments);
			}
		},

		beforeshow : function(opts, obj) {
			var scrollv, scrollh;

			if (obj.locked) {
				if (this.margin !== false) {
					$('*').filter(function(){
						return ($(this).css('position') === 'fixed' && !$(this).hasclass("fancybox-overlay") && !$(this).hasclass("fancybox-wrap") );
					}).addclass('fancybox-margin');

					this.el.addclass('fancybox-margin');
				}

				scrollv = w.scrolltop();
				scrollh = w.scrollleft();

				this.el.addclass('fancybox-lock');

				w.scrolltop( scrollv ).scrollleft( scrollh );
			}

			this.open(opts);
		},

		onupdate : function() {
			if (!this.fixed) {
				this.update();
			}
		},

		afterclose: function (opts) {
			// remove overlay if exists and fancybox is not opening
			// (e.g., it is not being open using afterclose callback)
			//if (this.overlay && !f.isactive) {
			if (this.overlay && !f.coming) {
				this.overlay.fadeout(opts.speedout, $.proxy( this.close, this ));
			}
		}
	};

	/*
	 *	title helper
	 */

	f.helpers.title = {
		defaults : {
			type     : 'float', // 'float', 'inside', 'outside' or 'over',
			position : 'bottom' // 'top' or 'bottom'
		},

		beforeshow: function (opts) {
			var current = f.current,
				text    = current.title,
				type    = opts.type,
				title,
				target;

			if ($.isfunction(text)) {
				text = text.call(current.element, current);
			}

			if (!isstring(text) || $.trim(text) === '') {
				return;
			}

			title = $('<div class="fancybox-title fancybox-title-' + type + '-wrap">' + text + '</div>');

			switch (type) {
				case 'inside':
					target = f.skin;
				break;

				case 'outside':
					target = f.wrap;
				break;

				case 'over':
					target = f.inner;
				break;

				default: // 'float'
					target = f.skin;

					title.appendto('body');

					if (ie) {
						title.width( title.width() );
					}

					title.wrapinner('<span class="child"></span>');

					//increase bottom margin so this title will also fit into viewport
					f.current.margin[2] += math.abs( getscalar(title.css('margin-bottom')) );
				break;
			}

			title[ (opts.position === 'top' ? 'prependto'  : 'appendto') ](target);
		}
	};

	// jquery plugin initialization
	$.fn.fancybox = function (options) {
		var index,
			that     = $(this),
			selector = this.selector || '',
			run      = function(e) {
				var what = $(this).blur(), idx = index, reltype, relval;

				if (!(e.ctrlkey || e.altkey || e.shiftkey || e.metakey) && !what.is('.fancybox-wrap')) {
					reltype = options.groupattr || 'data-fancybox-group';
					relval  = what.attr(reltype);

					if (!relval) {
						reltype = 'rel';
						relval  = what.get(0)[ reltype ];
					}

					if (relval && relval !== '' && relval !== 'nofollow') {
						what = selector.length ? $(selector) : that;
						what = what.filter('[' + reltype + '="' + relval + '"]');
						idx  = what.index(this);
					}

					options.index = idx;

					// stop an event from bubbling if everything is fine
					if (f.open(what, options) !== false) {
						e.preventdefault();
					}
				}
			};

		options = options || {};
		index   = options.index || 0;

		if (!selector || options.live === false) {
			that.unbind('click.fb-start').bind('click.fb-start', run);

		} else {
			d.undelegate(selector, 'click.fb-start').delegate(selector + ":not('.fancybox-item, .fancybox-nav')", 'click.fb-start', run);
		}

		this.filter('[data-fancybox-start=1]').trigger('click');

		return this;
	};

	// tests that need a body at doc ready
	d.ready(function() {
		var w1, w2;

		if ( $.scrollbarwidth === undefined ) {
			// http://benalman.com/projects/jquery-misc-plugins/#scrollbarwidth
			$.scrollbarwidth = function() {
				var parent = $('<div style="width:50px;height:50px;overflow:auto"><div/></div>').appendto('body'),
					child  = parent.children(),
					width  = child.innerwidth() - child.height( 99 ).innerwidth();

				parent.remove();

				return width;
			};
		}

		if ( $.support.fixedposition === undefined ) {
			$.support.fixedposition = (function() {
				var elem  = $('<div style="position:fixed;top:20px;"></div>').appendto('body'),
					fixed = ( elem[0].offsettop === 20 || elem[0].offsettop === 15 );

				elem.remove();

				return fixed;
			}());
		}

		$.extend(f.defaults, {
			scrollbarwidth : $.scrollbarwidth(),
			fixed  : $.support.fixedposition,
			parent : $('body')
		});

		//get real width of page scroll-bar
		w1 = $(window).width();

		h.addclass('fancybox-lock-test');

		w2 = $(window).width();

		h.removeclass('fancybox-lock-test');

		$("<style type='text/css'>.fancybox-margin{margin-right:" + (w2 - w1) + "px;}</style>").appendto("head");
	});

}(window, document, jquery));