           <div style="margin-bottom: 10px;">CSV Encoding</div>
                      <select id="sel_csv_encoding" style="width: 200px; margin-bottom: 20px;">
                        <option value="ascii">ascii</option>
                        <option value="big5">big5</option>
                        <option value="big5hkscs">big5hkscs</option>
                        <option value="cp037">cp037</option>
                        <option value="cp273">cp273</option>
                        <option value="cp