m_pos++; return m_nl.item(next);
m_pos = 0; return m_docFrag;
    public Node nextNode()                         throws DOMException    {      int next = m_pos+1;      if((next >= 0) && (next < m_nl.getLength()))        {        m_pos++;        return m_nl.item(next);      }      else        return null;    }