Bloom.Book.BookData.GetOrCreateDataDiv C# (CSharp) Method

        private XmlElement GetOrCreateDataDiv()
        {
            if(_dataDiv!=null)
                return _dataDiv;
            _dataDiv = _dom.RawDom.SelectSingleNode("//div[@id='bloomDataDiv']") as XmlElement;
            if (_dataDiv == null)
            {
                _dataDiv = _dom.RawDom.CreateElement("div");
                _dataDiv.SetAttribute("id", "bloomDataDiv");
                _dom.RawDom.SelectSingleNode("//body").InsertAfter(_dataDiv, null);
            }
            return _dataDiv;
        }