initStartIndex: function () {
            var a, b = this.options.index, c = this.options.urlProperty;
            if (b && "number" != typeof b)for (a = 0; a < this.num; a += 1)if (this.list[a] === b || this.getItemProperty(this.list[a], c) === this.getItemProperty(b, c)) {
                b = a;
                break