/*!
 * fancyBox - jQuery Plugin
 * version: 2.0.4 (12/12/2011)
 * @requires jQuery v1.6 or later
 *
 * Examples at http://fancyapps.com/fancybox/
 * License: www.fancyapps.com/fancybox/#license
 *
 * Copyright 2011 Janis Skarnelis - janis@fancyapps.com
 *MODDDD2
 */
(function (window, document, $) {
    var W = $(window),
		D = $(document),
		F = $.fancybox = function () {
		    F.open.apply(this, arguments);
		},
		didResize = false,
		resizeTimer = null;

    $.extend(F, {
        // The current version of fancyBox
        version: '2.0.4',

        defaults: {
            padding: 15,
            margin: 20,

            width: 800,
            height: 600,
            minWidth: 200,
            minHeight: 200,
            maxWidth: 9999,
            maxHeight: 9999,

            autoSize: true,
            fitToView: true,
            aspectRatio: false,
            topRatio: 0.5,

            fixed: !$.browser.msie || $.browser.version > 6 || !document.documentElement.hasOwnProperty('ontouchstart'),
            scrolling: 'auto', // 'auto', 'yes' or 'no'
            wrapCSS: 'fancybox-default',

            arrows: true,
            closeBtn: true,
            refreshBtn: true, //mod
            closeClick: false,
            nextClick: false,
            mouseWheel: true,
            autoPlay: false,
            playSpeed: 3000,

            modal: false,
            loop: true,
            ajax: {},
            keys: {
                next: [13, 32, 34, 39, 40], // enter, space, page down, right arrow, down arrow
                prev: [8, 33, 37, 38], // backspace, page up, left arrow, up arrow
                close: [27] // escape key
            },

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

            // HTML templates
            tpl: {
                wrap: '<div class="fancybox-wrap"><div class="fancybox-outer"><div class="fancybox-inner"></div></div></div>',
                image: '<img class="fancybox-image" src="{href}" alt="" />',
                iframe: '<iframe class="fancybox-iframe" name="fancybox-frame{rnd}" frameborder="0" hspace="0" ' + ($.browser.msie ? 'allowtransparency="true""' : '') + ' scrolling="{scrolling}" src="{href}"></iframe>',
                swf: '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="100%" height="100%"><param name="wmode" value="transparent" /><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="{href}" /><embed src="{href}" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="100%" height="100%" wmode="transparent"></embed></object>',
                error: '<p class="fancybox-error">The requested content cannot be loaded.<br/>Please try again later.</p>',
                closeBtn: '<div title="Close" class="fancybox-item fancybox-close"></div>',
                refreshBtn: '<div title="Refresh" class="fancybox-item fancybox-refreshAction"></div>',
                next: '<a title="Next" class="fancybox-item fancybox-next"><span></span></a>',
                prev: '<a title="Previous" class="fancybox-item fancybox-prev"><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: 300,
            nextEasing: 'swing',
            nextMethod: 'changeIn',

            // Changing previous gallery item
            prevEffect: 'elastic', // 'elastic', 'fade' or 'none'
            prevSpeed: 300,
            prevEasing: 'swing',
            prevMethod: 'changeOut',

            // Enabled helpers
            helpers: {
                overlay: {
                    speedIn: 0,
                    speedOut: 300,
                    opacity: 0.8,
                    css: {
                        cursor: 'pointer'
                    },
                    closeClick: true
                },
                title: {
                    type: 'float' // 'float', 'inside', 'outside' or 'over'
                }
            },

            // Callbacks
            onCancel: $.noop, // If canceling
            beforeLoad: $.noop, // Before loading
            afterLoad: $.noop, // After loading
            beforeShow: $.noop, // Before changing in current item
            afterShow: $.noop, // After opening
            beforeClose: $.noop, // Before closing
            afterClose: $.noop // After closing
        },

        //Current state
        group: {}, // Selected group
        opts: {}, // Group options
        coming: null, // Element being loaded
        current: null, // Currently loaded element
        isOpen: false, // Is currently open
        isOpened: false, // Have been fully opened at least once
        wrap: 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) {
            // Normalize group
            if (!$.isArray(group)) {
                group = [group];
            }

            if (!group.length) {
                return;
            }

            //Kill existing instances
            F.close(true);

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

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

        cancel: function () {
            if (F.coming && false === F.trigger('onCancel')) {
                return;
            }

            F.coming = null;

            F.hideLoading();

            if (F.ajaxLoad) {
                F.ajaxLoad.abort();
            }

            F.ajaxLoad = null;

            if (F.imgPreload) {
                F.imgPreload.onload = F.imgPreload.onabort = F.imgPreload.onerror = null;
            }
        },

        close: function (a) {
            F.cancel();

            if (!F.current || false === F.trigger('beforeClose')) {
                return;
            }

            F.unbindEvents();

            //If forced or is still opening then remove immediately
            if (!F.isOpen || (a && a[0] === true)) {
                $(".fancybox-wrap").stop().trigger('onReset').remove();

                F._afterZoomOut();

            } else {
                F.isOpen = F.isOpened = false;

                $(".fancybox-item").remove();

                F.wrap.stop(true).removeClass('fancybox-opened');
                F.inner.css('overflow', 'hidden');

                F.transitions[F.current.closeMethod]();
            }
        },
        //RefreshButton	    
        refreshAction: function (a) {
            //alert('sasa');
            if (F.current) {
                F.jumpto(F.current.index);
            }
        },

        // Start/stop slideshow
        play: function (a) {
            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();

				    $('body').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;

				        $('body').bind({
				            'afterShow.player onUpdate.player': set,
				            'onCancel.player beforeClose.player': stop,
				            'beforeLoad.player': clear
				        });

				        set();

				        F.trigger('onPlayStart');
				    }
				};

            if (F.player.isActive || (a && a[0] === false)) {
                stop();
            } else {
                start();
            }
        },

        next: function () {
            if (F.current) {
                F.jumpto(F.current.index + 1);
            }
        },

        prev: function () {
            if (F.current) {
                F.jumpto(F.current.index - 1);
            }
        },

        jumpto: function (index) {
            if (!F.current) {
                return;
            }

            index = parseInt(index, 10);

            if (F.group.length > 1 && F.current.loop) {
                if (index >= F.group.length) {
                    index = 0;

                } else if (index < 0) {
                    index = F.group.length - 1;
                }
            }

            if (typeof F.group[index] !== 'undefined') {
                F.cancel();

                F._start(index);
            }
        },

        reposition: function (a) {
            if (F.isOpen) {
                F.wrap.css(F._getPosition(a));
            }
        },

        update: function () {
            if (F.isOpen) {
                // It's a very bad idea to attach handlers to the window scroll event, run this code after a delay
                if (!didResize) {
                    resizeTimer = setInterval(function () {
                        if (didResize) {
                            didResize = false;

                            clearTimeout(resizeTimer);

                            if (F.current) {
                                if (F.current.autoSize) {
                                    F.inner.height('auto');
                                    F.current.height = F.inner.height();
                                }

                                F._setDimension();

                                if (F.current.canGrow) {
                                    F.inner.height('auto');
                                }

                                F.reposition();

                                F.trigger('onUpdate');
                            }
                        }
                    }, 100);
                }

                didResize = true;
            }
        },

        toggle: function () {
            if (F.isOpen) {
                F.current.fitToView = !F.current.fitToView;

                F.update();
            }
        },

        hideLoading: function () {
            $("#fancybox-loading").remove();
        },

        showLoading: function () {
            F.hideLoading();

            $('<div id="fancybox-loading"></div>').click(F.cancel).appendTo('body');
        },

        getViewport: function () {
            return {
                x: W.scrollLeft(),
                y: W.scrollTop(),
                w: W.width(),
                h: W.height()
            };
        },

        // Unbind the keyboard / clicking actions
        unbindEvents: function () {
            if (F.wrap) {
                F.wrap.unbind('.fb');
            }

            D.unbind('.fb');
            W.unbind('.fb');
        },

        bindEvents: function () {
            var current = F.current,
				keys = current.keys;

            if (!current) {
                return;
            }

            W.bind('resize.fb, orientationchange.fb', F.update);

            if (keys) {
                D.bind('keydown.fb', function (e) {
                    var code;

                    // Ignore key combinations and key events within form elements
                    if (!e.ctrlKey && !e.altKey && !e.shiftKey && !e.metaKey && $.inArray(e.target.tagName.toLowerCase(), ['input', 'textarea', 'select', 'button']) < 0) {
                        code = e.keyCode;

                        if ($.inArray(code, keys.close) > -1) {
                            F.close();
                            e.preventDefault();

                        } else if ($.inArray(code, keys.next) > -1) {
                            F.next();
                            e.preventDefault();

                        } else if ($.inArray(code, keys.prev) > -1) {
                            F.prev();
                            e.preventDefault();
                        }
                    }
                });
            }

            if ($.fn.mousewheel && current.mouseWheel && F.group.length > 1) {
                F.wrap.bind('mousewheel.fb', function (e, delta) {
                    var target = $(e.target).get(0);

                    if (target.clientHeight === 0 || target.scrollHeight === target.clientHeight) {
                        e.preventDefault();

                        F[delta > 0 ? 'prev' : 'next']();
                    }
                });
            }
        },

        trigger: function (event) {
            var ret, obj = F[$.inArray(event, ['onCancel', 'beforeLoad', 'afterLoad']) > -1 ? 'coming' : '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 && typeof F.helpers[helper] !== 'undefined' && $.isFunction(F.helpers[helper][event])) {
                        F.helpers[helper][event](opts, obj);
                    }
                });
            }

            $.event.trigger(event + '.fb');
        },

        isImage: function (str) {
            return str && str.match(/\.(jpg|gif|png|bmp|jpeg)(.*)?$/i);
        },

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

        _start: function (index) {
            var coming = {},
				element = F.group[index] || null,
				isDom,
				href,
				type,
				rez;

            if (typeof element === 'object' && (element.nodeType || element instanceof $)) {
                isDom = true;

                if ($.metadata) {
                    coming = $(element).metadata();
                }
            }

            coming = $.extend(true, {}, F.opts, { index: index, element: element }, ($.isPlainObject(element) ? element : coming));

            // Re-check overridable options
            $.each(['href', 'title', 'content', 'type'], function (i, v) {
                coming[v] = F.opts[v] || (isDom && $(element).attr(v)) || coming[v] || null;
            });

            // Convert margin property to array - top, right, bottom, left
            if (typeof coming.margin === 'number') {
                coming.margin = [coming.margin, coming.margin, coming.margin, coming.margin];
            }

            // '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: {
                            css: {
                                cursor: 'auto'
                            },
                            closeClick: false
                        }
                    }
                });
            }

            //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;

            ///Check if content type is set, if not, try to get
            if (!type) {
                if (isDom) {
                    rez = $(element).data('fancybox-type');

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

                if (!type && href) {
                    if (F.isImage(href)) {
                        type = 'image';

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

                    } else if (href.match(/^#/)) {
                        type = 'inline';
                    }
                }

                // ...if not - display element itself
                if (!type) {
                    type = isDom ? 'inline' : 'html';
                }

                coming.type = type;
            }

            // Check before try to load; 'inline' and 'html' types need content, others - href
            if (type === 'inline' || type === 'html') {
                coming.content = coming.content || (type === 'inline' && href ? $(href) : element);

                if (!coming.content.length) {
                    type = null;
                }

            } else {
                coming.href = href || element;

                if (!coming.href) {
                    type = null;
                }
            }

            /*
            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;

            if (type === 'image') {
                F._loadImage();

            } else if (type === 'ajax') {
                F._loadAjax();

            } else if (type) {
                F._afterLoad();

            } else {
                F._error('type');
            }
        },

        _error: function (type) {
            $.extend(F.coming, {
                type: 'html',
                autoSize: true,
                minHeight: '0',
                hasError: type,
                content: F.coming.tpl.error
            });

            F._afterLoad();
        },

        _loadImage: function () {
            // Reset preload image so it is later possible to check "complete" property
            F.imgPreload = new Image();

            F.imgPreload.onload = function () {
                this.onload = this.onerror = null;

                F.coming.width = this.width;
                F.coming.height = this.height;

                F._afterLoad();
            };

            F.imgPreload.onerror = function () {
                this.onload = this.onerror = null;

                F._error('image');
            };

            F.imgPreload.src = F.coming.href;

            if (!F.imgPreload.complete) {
                F.showLoading();
            }
        },

        _loadAjax: function () {
            F.showLoading();

            F.ajaxLoad = $.ajax($.extend({}, F.coming.ajax, {
                url: F.coming.href,
                error: function (jqXHR, textStatus) {
                    if (textStatus !== 'abort') {
                        F._error('ajax', jqXHR);

                    } else {
                        F.hideLoading();
                    }
                },
                success: function (data, textStatus) {
                    if (textStatus === 'success') {
                        F.coming.content = data;

                        F._afterLoad();
                    }
                }
            }));
        },

        _preload: function () {
            var group = F.group,
				index = F.current.index,
				load = function (href) {
				    if (href && F.isImage(href)) {
				        new Image().src = href;
				    }
				};

            if (group.length > 1) {
                load($(group[index + 1] || group[0]).attr('href'));
                load($(group[index - 1] || group[group.length - 1]).attr('href'));
            }
        },

        _afterLoad: function () {
            F.hideLoading();

            if (!F.coming || false === F.trigger('afterLoad', F.current)) {
                F.coming = false;

                return;
            }

            if (F.isOpened) {
                $(".fancybox-item").remove();

                F.wrap.stop(true).removeClass('fancybox-opened');
                F.inner.css('overflow', 'hidden');

                F.transitions[F.current.prevMethod]();

            } else {
                $(".fancybox-wrap").stop().trigger('onReset').remove();

                F.trigger('afterClose');
            }

            F.unbindEvents();

            F.isOpen = false;
            F.current = F.coming;
            F.coming = false;

            //Build the neccessary markup
            F.wrap = $(F.current.tpl.wrap).addClass('fancybox-tmp ' + F.current.wrapCSS).appendTo('body');
            F.outer = $('.fancybox-outer', F.wrap).css('padding', F.current.padding + 'px');
            F.inner = $('.fancybox-inner', F.wrap);

            F._setContent();

            //Give a chance for helpers or callbacks to update elements
            F.trigger('beforeShow');

            //Set initial dimensions and hide
            F._setDimension();

            F.wrap.hide().removeClass('fancybox-tmp');

            F.bindEvents();
            F._preload();

            F.transitions[F.isOpened ? F.current.nextMethod : F.current.openMethod]();
        },

        _setContent: function () {
            var content, loadingBay, current = F.current,
				type = current.type;

            switch (type) {
                case 'inline':
                case 'ajax':
                case 'html':
                    content = current.content;

                    if (type === 'inline' && content instanceof $) {
                        content = content.show().detach();

                        if (content.parent().hasClass('fancybox-inner')) {
                            content.parents('.fancybox-wrap').trigger('onReset').remove();
                        }

                        $(F.wrap).bind('onReset', function () {
                            content.appendTo('body').hide();
                        });
                    }

                    if (current.autoSize) {
                        loadingBay = $('<div class="fancybox-tmp"></div>').appendTo($("body")).append(content);

                        current.width = loadingBay.outerWidth();
                        current.height = loadingBay.outerHeight(true);

                        content = loadingBay.contents().detach();

                        loadingBay.remove();
                    }

                    break;

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

                    current.aspectRatio = true;
                    break;

                case 'swf':
                    content = current.tpl.swf.replace(/\{width\}/g, current.width).replace(/\{height\}/g, current.height).replace(/\{href\}/g, current.href);
                    break;

                case 'iframe':
                    content = current.tpl.iframe.replace('{href}', current.href).replace('{scrolling}', current.scrolling).replace('{rnd}', new Date().getTime());
                    break;
            }

            if ($.inArray(type, ['image', 'swf', 'iframe']) > -1) {
                current.autoSize = false;
                current.scrolling = false;
            }

            F.inner.append(content);
        },

        _setDimension: function () {
            var wrap = F.wrap,
				outer = F.outer,
				inner = F.inner,
				current = F.current,
				viewport = F.getViewport(),
				margin = current.margin,
				padding2 = current.padding * 2,
				width = current.width + padding2,
				height = current.height + padding2,
				ratio = current.width / current.height,

				maxWidth = current.maxWidth,
				maxHeight = current.maxHeight,
				minWidth = current.minWidth,
				minHeight = current.minHeight,
				height_,
				space;

            viewport.w -= (margin[1] + margin[3]);
            viewport.h -= (margin[0] + margin[2]);

            if (width.toString().indexOf('%') > -1) {
                width = ((viewport.w * parseFloat(width)) / 100);
            }

            if (height.toString().indexOf('%') > -1) {
                height = ((viewport.h * parseFloat(height)) / 100);
            }

            if (current.fitToView) {
                maxWidth = Math.min(viewport.w, maxWidth);
                maxHeight = Math.min(viewport.h, maxHeight);
            }

            minWidth = Math.min(width, minWidth);
            minHeight = Math.min(width, minHeight);

            maxWidth = Math.max(minWidth, maxWidth);
            maxHeight = Math.max(minHeight, maxHeight);

            if (current.aspectRatio) {
                if (width > maxWidth) {
                    width = maxWidth;
                    height = ((width - padding2) / ratio) + padding2;
                }

                if (height > maxHeight) {
                    height = maxHeight;
                    width = ((height - padding2) * ratio) + padding2;
                }

                if (width < minWidth) {
                    width = minWidth;
                    height = ((width - padding2) / ratio) + padding2;
                }

                if (height < minHeight) {
                    height = minHeight;
                    width = ((height - padding2) * ratio) + padding2;
                }

            } else {
                width = Math.max(minWidth, Math.min(width, maxWidth));
                height = Math.max(minHeight, Math.min(height, maxHeight));
            }

            width = Math.round(width);
            height = Math.round(height);

            //Reset dimensions
            $(wrap.add(outer).add(inner)).width('auto').height('auto');

            inner.width(width - padding2).height(height - padding2);
            wrap.width(width);

            height_ = wrap.height(); // Real wrap height

            //Fit wrapper inside
            if (width > maxWidth || height_ > maxHeight) {
                while ((width > maxWidth || height_ > maxHeight) && width > minWidth && height_ > minHeight) {
                    height = height - 10;

                    if (current.aspectRatio) {
                        width = Math.round(((height - padding2) * ratio) + padding2);

                        if (width < minWidth) {
                            width = minWidth;
                            height = ((width - padding2) / ratio) + padding2;
                        }

                    } else {
                        width = width - 10;
                    }

                    inner.width(width - padding2).height(height - padding2);
                    wrap.width(width);

                    height_ = wrap.height();
                }
            }

            current.dim = {
                width: width,
                height: height_
            };

            current.canGrow = current.autoSize && height > minHeight && height < maxHeight;
            current.canShrink = false;
            current.canExpand = false;

            if ((width - padding2) < current.width || (height - padding2) < current.height) {
                current.canExpand = true;

            } else if ((width > viewport.w || height_ > viewport.h) && width > minWidth && height > minHeight) {
                current.canShrink = true;
            }

            space = height_ - padding2;

            F.innerSpace = space - inner.height();
            F.outerSpace = space - outer.height();
        },

        _getPosition: function (a) {
            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] + viewport.y,
				    left: margin[3] + viewport.x
				};

            if (current.fixed && (!a || a[0] === false) && height <= viewport.h && width <= viewport.w) {
                rez = {
                    position: 'fixed',
                    top: margin[0],
                    left: margin[3]
                };
            }

            rez.top = Math.ceil(Math.max(rez.top, rez.top + ((viewport.h - height) * current.topRatio))) + 'px';
            rez.left = Math.ceil(Math.max(rez.left, rez.left + ((viewport.w - width) * 0.5))) + 'px';

            return rez;
        },

        _afterZoomIn: function () {
            var current = F.current;

            F.isOpen = F.isOpened = true;

            F.wrap.addClass('fancybox-opened').css('overflow', 'visible');

            F.update();

            F.inner.css('overflow', current.scrolling === 'auto' ? 'auto' : (current.scrolling === 'yes' ? 'scroll' : 'hidden'));

            //Assign a click event
            if (current.closeClick || current.nextClick) {
                F.inner.css('cursor', 'pointer').bind('click.fb', current.nextClick ? F.next : F.close);
            }

            //Create a close button
            if (current.closeBtn) {
                $(current.tpl.closeBtn).appendTo(F.wrap).bind('click.fb', F.close);
            }
            if (current.refreshBtn) {
                $(current.tpl.refreshBtn).appendTo(F.wrap).bind('click.fb', F.refreshAction);
            }
            //Create navigation arrows
            if (current.arrows && F.group.length > 1) {
                if (current.loop || current.index > 0) {
                    $(current.tpl.prev).appendTo(F.wrap).bind('click.fb', F.prev);
                }

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

            F.trigger('afterShow');

            if (F.opts.autoPlay && !F.player.isActive) {
                F.opts.autoPlay = false;

                F.play();
            }
        },

        _afterZoomOut: function () {
            F.trigger('afterClose');

            F.wrap.trigger('onReset').remove();

            $.extend(F, {
                group: {},
                opts: {},
                current: null,
                isOpened: false,
                isOpen: false,
                wrap: null,
                outer: null,
                inner: null
            });
        }
    });

    /*
    *	Default transitions
    */

    F.transitions = {
        getOrigPosition: function () {
            var element = F.current.element,
				pos = {},
				width = 50,
				height = 50,
				image, viewport;

            if (element && element.nodeName && $(element).is(':visible')) {
                image = $(element).find('img:first');

                if (image.length) {
                    pos = image.offset();
                    width = image.outerWidth();
                    height = image.outerHeight();

                } else {
                    pos = $(element).offset();
                }

            } else {
                viewport = F.getViewport();
                pos.top = viewport.y + (viewport.h - height) * 0.5;
                pos.left = viewport.x + (viewport.w - width) * 0.5;
            }

            pos = {
                top: Math.ceil(pos.top) + 'px',
                left: Math.ceil(pos.left) + 'px',
                width: Math.ceil(width) + 'px',
                height: Math.ceil(height) + 'px'
            };

            return pos;
        },

        step: function (now, fx) {
            var ratio, innerValue, outerValue;

            if (fx.prop === 'width' || fx.prop === 'height') {
                innerValue = outerValue = Math.ceil(now - (F.current.padding * 2));

                if (fx.prop === 'height') {
                    ratio = (now - fx.start) / (fx.end - fx.start);

                    if (fx.start > fx.end) {
                        ratio = 1 - ratio;
                    }

                    innerValue -= F.innerSpace * ratio;
                    outerValue -= F.outerSpace * ratio;
                }

                F.inner[fx.prop](innerValue);
                F.outer[fx.prop](outerValue);
            }
        },

        zoomIn: function () {
            var wrap = F.wrap,
				current = F.current,
				startPos,
				endPos,
				dim = current.dim;

            if (current.openEffect === 'elastic') {
                endPos = $.extend({}, dim, F._getPosition(true));

                //Remove "position" property
                delete endPos.position;

                startPos = this.getOrigPosition();

                if (current.openOpacity) {
                    startPos.opacity = 0;
                    endPos.opacity = 1;
                }

                wrap.css(startPos).show().animate(endPos, {
                    duration: current.openSpeed,
                    easing: current.openEasing,
                    step: this.step,
                    complete: F._afterZoomIn
                });

            } else {
                wrap.css($.extend({}, dim, F._getPosition()));

                if (current.openEffect === 'fade') {
                    wrap.fadeIn(current.openSpeed, F._afterZoomIn);

                } else {
                    wrap.show();
                    F._afterZoomIn();
                }
            }
        },

        zoomOut: function () {
            var wrap = F.wrap,
				current = F.current,
				endPos;

            if (current.closeEffect === 'elastic') {
                if (wrap.css('position') === 'fixed') {
                    wrap.css(F._getPosition(true));
                }

                endPos = this.getOrigPosition();

                if (current.closeOpacity) {
                    endPos.opacity = 0;
                }

                wrap.animate(endPos, {
                    duration: current.closeSpeed,
                    easing: current.closeEasing,
                    step: this.step,
                    complete: F._afterZoomOut
                });

            } else {
                wrap.fadeOut(current.closeEffect === 'fade' ? current.closeSpeed : 0, F._afterZoomOut);
            }
        },

        changeIn: function () {
            var wrap = F.wrap,
				current = F.current,
				startPos;

            if (current.nextEffect === 'elastic') {
                startPos = F._getPosition(true);
                startPos.opacity = 0;
                startPos.top = (parseInt(startPos.top, 10) - 200) + 'px';

                wrap.css(startPos).show().animate({
                    opacity: 1,
                    top: '+=200px'
                }, {
                    duration: current.nextSpeed,
                    complete: F._afterZoomIn
                });

            } else {
                wrap.css(F._getPosition());

                if (current.nextEffect === 'fade') {
                    wrap.hide().fadeIn(current.nextSpeed, F._afterZoomIn);

                } else {
                    wrap.show();
                    F._afterZoomIn();
                }
            }
        },

        changeOut: function () {
            var wrap = F.wrap,
				current = F.current,
				cleanUp = function () {
				    $(this).trigger('onReset').remove();
				};

            wrap.removeClass('fancybox-opened');

            if (current.prevEffect === 'elastic') {
                wrap.animate({
                    'opacity': 0,
                    top: '+=200px'
                }, {
                    duration: current.prevSpeed,
                    complete: cleanUp
                });

            } else {
                wrap.fadeOut(current.prevEffect === 'fade' ? current.prevSpeed : 0, cleanUp);
            }
        }
    };

    /*
    *	Overlay helper
    */

    F.helpers.overlay = {
        overlay: null,

        update: function () {
            var width, scrollWidth, offsetWidth;

            //Reset width/height so it will not mess
            this.overlay.width(0).height(0);

            if ($.browser.msie) {
                scrollWidth = Math.max(document.documentElement.scrollWidth, document.body.scrollWidth);
                offsetWidth = Math.max(document.documentElement.offsetWidth, document.body.offsetWidth);

                width = scrollWidth < offsetWidth ? W.width() : scrollWidth;

            } else {
                width = D.width();
            }

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

        beforeShow: function (opts) {
            if (this.overlay) {
                return;
            }

            this.overlay = $('<div id="fancybox-overlay"></div>').css(opts.css || {
                background: 'black'
            }).appendTo('body');

            this.update();

            if (opts.closeClick) {
                this.overlay.bind('click.fb', F.close);
            }

            W.bind("resize.fb", $.proxy(this.update, this));

            this.overlay.fadeTo(opts.speedIn || "fast", opts.opacity || 1);
        },

        onUpdate: function () {
            //Update as content may change document dimensions
            this.update();
        },

        afterClose: function (opts) {
            if (this.overlay) {
                this.overlay.fadeOut(opts.speedOut || "fast", function () {
                    $(this).remove();
                });
            }

            this.overlay = null;
        }
    };

    /*
    *	Title helper
    */

    F.helpers.title = {
        beforeShow: function (opts) {
            var title, text = F.current.title;

            if (text) {
                title = $('<div class="fancybox-title fancybox-title-' + opts.type + '-wrap">' + text + '</div>').appendTo('body');

                if (opts.type === 'float') {
                    //This helps for some browsers
                    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(parseInt(title.css('margin-bottom'), 10));
                }

                title.appendTo(opts.type === 'over' ? F.inner : (opts.type === 'outside' ? F.wrap : F.outer));
            }
        }
    };

    // jQuery plugin initialization
    $.fn.fancybox = function (options) {
        var opts = options || {},
			selector = this.selector || '';

        function run(e) {
            var group = [], relType, relVal, rel = this.rel;

            if (!(e.ctrlKey || e.altKey || e.shiftKey || e.metaKey)) {
                e.preventDefault();

                relVal = $(this).data('fancybox-group');

                // Check if element has 'data-fancybox-group' attribute, if not - use 'rel'
                if (typeof relVal !== 'undefined') {
                    relType = relVal ? 'data-fancybox-group' : false;

                } else if (rel && rel !== '' && rel !== 'nofollow') {
                    relVal = rel;
                    relType = 'rel';
                }

                if (relType) {
                    group = selector.length ? $(selector).filter('[' + relType + '="' + relVal + '"]') : $('[' + relType + '="' + relVal + '"]');
                }

                if (group.length) {
                    opts.index = group.index(this);

                    F.open(group.get(), opts);

                } else {
                    F.open(this, opts);
                }
            }
        }

        if (selector) {
            D.undelegate(selector, 'click.fb-start').delegate(selector, 'click.fb-start', run);

        } else {
            $(this).unbind('click.fb-start').bind('click.fb-start', run);
        }

        return this;
    };

} (window, document, jQuery));