imageFactory: function (b, c) {
            var d, e, f, g = this, h = this.imagePrototype.cloneNode(!1), i = b, j = this.options.stretchImages, k = function (b) {
                if (!d) {
                    if (b = {type: b.type, target: e}, !e.parentNode)return g.setTimeout(k, [b]);
                    d = !0, a(h).off("load error", k), j && "load" === b.type && (e.style.background = 'url("' + i + '") center no-repeat', e.style.backgroundSize = j), c(b)