next: function() {
                        this._slideshow.nextSlide()
                    },

YUI.add("squarespace-widgets-lightbox2", function(e) {
                e.namespace("Squarespace.Widgets"),
                e.Squarespace.Widgets.Lightbox2 = e.Squarespace.Lightbox2 = e.Base.create("Lightbox2", e.Squarespace.Widgets.Gismo, [], {
                    initializer: function() {
                        e.config.win.ACTIVE_LIGHTBOX = this,
                        this._overlay = new e.Squarespace.Lightbox2Overlay({
                            theme: this.get("theme")
                        }),
                        this._overlay.on("hide", this.hideAndDestroy, this),
                        this.bMobile = e.SQS.Gallery.Manager.isMobile(),
                        this.requestUpdateHeightAndRefresh = i(this.updateHeightAndRefresh.bind(this))

                    },
//removed irrelevant code for example
                    previous: function() {
                        this._slideshow.previousSlide()
                    },
                    next: function() {
                        this._slideshow.nextSlide()
                    },