파일첨부버튼이 안나옵니다.

.......<table align=center > <? // 중앙 정렬 ?><tr>    <td class=write_head>분 류</td>    <td><select name=ca_name required itemname="분류"><option value="">선택하세요<?=$category_option?></select></td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr><? } ?><input type="hidden" name="wr_content"> <tr>    <td class=write_head>신용장번호(cf.<font color="blue">NU000</font>XX)</td>    <td> <input type="text" name="wr_6" value="<?=$write[wr_6]?>" >&nbsp;<font color ="red"></td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr><tr>    <td class=write_head><font color ="blue"><b>구매처(Seller)</b></font></td>    <td><font color ="#4c5ee5"><b><input type="text" name="wr_1" value="<?=$write[wr_1]?>" >    </b></font></td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr><tr>    <td class=write_head>원산지(수입국가)</td>    <td> <input type="text" name="wr_2" value="<?=$write[wr_2]?>" ></td> </tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr><tr>    <td class=write_head>총량(MT)</td>       <td> <input type="text" name="wr_3" value="<?=$write[wr_3]?>">&nbsp;MT</td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr>        <tr>    <td class=write_head>단위가격</td>    <td> <input type="text" name="wr_4" value="<?=$write[wr_4]?>">&nbsp; <input type="radio" name="wr_9"  value="원"  checked> 원  <input type="radio" name="wr_9"  value="USD" >USD</td></tr> <tr><td colspan=2 height=1 size=30 bgcolor=#e7e7e7></td></tr><tr>    <td class=write_head>총수입가격(원)</td>    <td> <input type="text" name="wr_5" value="<?=$write[wr_5]?>">&nbsp;원</td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr><tr>    <td class=write_head>세액(원)</td>       <td> <input type="text" name="wr_10" value="<?=$write[wr_10]?>">&nbsp;원</td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr><tr>    <td class=write_head>참고사항(CIF/FOB..etc)</td>    <td> <input type="text" name="wr_content" size=60 value="<?=$write[wr_content]?>"></td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr>    <td class=write_head>L/C개설날짜 </td>     <td> <input type="text" name="wr_datetime" value="<?=$write[wr_datetime]?>" disabled ></td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr>   <tr><td class=write_head>도착예정일 수정</td>     <td> <input type="date" id=wr_last  name="wr_last" size=20  value="<?=$write[wr_last]?>">&nbsp;일 도착예정. <font color="red">&nbsp;&nbsp;<?=$write[wr_last]?></font></td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr>​ ...........<? if ($is_file) { ?><tr>    <td class=write_head>        <table cellpadding=0 cellspacing=0>        <tr>            <td class=write_head style="padding-top:10px; line-height:20px;">                Attach file<br>                 <span onclick="add_file();" style="cursor:pointer;"><img src="<?=$board_skin_path?>/img/btn_file_add.gif"></span>                 <span onclick="del_file();" style="cursor:pointer;"><img src="<?=$board_skin_path?>/img/btn_file_minus.gif"></span>            </td>        </tr>        </table>    </td>     <td style='padding:0 0 0 0;'><table id="variableFiles" cellpadding=0 cellspacing=0></table><?// print_r2($file); ?>        <script type="text/javascript">        var flen = 0;        function add_file(delete_code)        {            var upload_count = <?=(int)$board[bo_upload_count]?>;            if (upload_count && flen >= upload_count)            {                alert("Max files: "+upload_count);                return;            }            var objTbl;            var objRow;            var objCell;            if (document.getElementById)                objTbl = document.getElementById("variableFiles");            else                objTbl = document.all["variableFiles"];            objRow = objTbl.insertRow(objTbl.rows.length);            objCell = objRow.insertCell(0);            objCell.innerHTML = "<input type='file' class='ed' name='bf_file[]' title='Max size <?=$upload_max_filesize?>'>";            if (delete_code)                objCell.innerHTML += delete_code;            else            {                <? if ($is_file_content) { ?>                objCell.innerHTML += "<br><input type='text' class='ed' size=50 name='bf_content[]' title='Please insert images file.'>";                <? } ?>                ;            }            flen++;        }        <?=$file_script; //수정시에 필요한 스크립트?>        function del_file()        {            // file_length 이하로는 필드가 삭제되지 않아야 합니다.            var file_length = <?=(int)$file_length?>;            var objTbl = document.getElementById("variableFiles");            if (objTbl.rows.length - 1 > file_length)            {                objTbl.deleteRow(objTbl.rows.length - 1);                flen--;            }        }        </script></td></tr><tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr>