폼내부에 계산폼위치시. 오류

<?include_once("./_common.php");$i=0;$query5 = "select wr_subject, wr_3 from g4_write_prodt_list";$result5 = sql_query($query5);while($row  = sql_fetch_array($result5)) {  $item[$i] = $row[wr_subject]; //  상품리스트의명 $uprice[$i] = $row[wr_3];     //  해당상품의 가격 $i++;}?> <script>if ($_POST['wr_3'] && $_POST['wr_4']) {  $result['CalcForm'] = $_POST['wr_3'] * $_POST['wr_4'] ;   } </script><form name="fwrite" method="post" onsubmit="return fwrite_submit(this);" enctype="multipart/form-data" style="margin:0px;"><input type=hidden name=null><input type=hidden name=w        value="<?=$w?>"><input type=hidden name=bo_table value="<?=$bo_table?>"><input type=hidden name=wr_id    value="<?=$wr_id?>"><input type=hidden name=sca      value="<?=$sca?>"><input type=hidden name=sfl      value="<?=$sfl?>"><input type=hidden name=stx      value="<?=$stx?>"><input type=hidden name=spt      value="<?=$spt?>"><input type=hidden name=sst      value="<?=$sst?>"><input type=hidden name=sod      value="<?=$sod?>"><input type=hidden name=page     value="<?=$page?>"><table width="<?=$width?>" align=center cellpadding=0 cellspacing=0><tr><td><tr>  <td height=10></td></tr><TABLE cellSpacing=2 cellPadding=8 width="670" align=center bgColor=#ffffff><TR>  <TD align=left width="15%" bgColor=#eaeaea>&nbsp;회사명칭</TD>  <TD width="85%" bgColor=#ffffff colSpan=3><INPUT class=ed style="WIDTH: 36%; WORD-BREAK: break-all" name=wr_1 itemname="회사명칭" required value="<?=$write['wr_1']?>"></TD></TR><? if ($is_category) { ?><tr>    <td align=middle bgColor=#eaeaea>· 분류</td>    <td bgColor=#ffffff colSpan=3><select name=ca_name required itemname="분류"><option value="">선택하세요<?=$category_option?></select></td></tr><tr><td height=3 colspan=2 background='<?=$board_skin_path?>/img/dot_bg2.gif'></td></tr><? } ?><TR><TD noWrap align=left width="15%" bgColor=#eaeaea>&nbsp;구매자명</TD><TD width="35%" bgColor=#ffffff><INPUT class=ed style="WIDTH: 100%; WORD-BREAK: break-all" name=wr_7 itemname="구매자명" value="<?=$write['wr_7']?>"></TD><TD noWrap align=left width="15%" bgColor=#eaeaea>&nbsp;전자우편</TD><TD width="35%" bgColor=#ffffff><INPUT class=ed style="WIDTH: 100%; WORD-BREAK: break-all" maxLength=40 name=wr_email email itemname="전자우편" value="<?=$email?>"></TD></TR><TR><TD align=left bgColor=#eaeaea>&nbsp;도메인</TD><TD bgColor=#ffffff><INPUT class=ed style="WIDTH: 100%; WORD-BREAK: break-all" name=wr_homepage itemname="도메인" value="<?=$write['wr_homepage']?>"></TD><TD align=left bgColor=#eaeaea>&nbsp;전화번호</TD><TD bgColor=#ffffff><INPUT class=ed style="WIDTH: 100%; WORD-BREAK: break-all" name=wr_6 required itemname="전화번호" value="<?=$write['wr_6']?>"></TD></TR><TR>  <TD align=left bgColor=#eaeaea>&nbsp;Pallet 선택</TD>  <TD bgColor=#ffffff><SELECT name="wr_subject" >      <?       for($j=0; $j < count($item) ; $j++) {?>         <option value='<?=$item[$j]?>'><?=$item[$j]?></option>   <? } ?>         </SELECT> <a href="<?=$g4[path]?>/bbs/board.php?bo_table=prodt_list">상품종류보기</a></TD> </TR><!-- 수량 입력후 버튼? 총가격 계산보여줌.!!. --><TR><form id="CalcForm" action="<?=$_SERVER['PHP_SELF']?>" method="POST" ><TD align=left bgColor=#eaeaea>수량(MT)</TD> <TD bgColor=#ffffff><INPUT maxLength=10  id=wr_3 type="text" name=wr_3 itemname="수량" required numeric value="<?=$write['wr_3']?>">&nbsp;MT<INPUT type=hidden name=wr_4   value="<?=$uprice[$j]?>"><? echo $uprice[$j]; ?><? echo $_POST['wr_3'] ; ?><?  // 위에서 선택한 품목 ==>$item[$j]에 따른 단위가격 ==> $uprice[$j] 을 끌어옴... ?><input type="submit" value="Buy" style="font-family:Tahoma; font-size:8pt; color:white; line-height:150%; background-color:rgb(153,0,0); border-color:rgb(176,176,176); height:25px;"  align=absmiddle /><? $price = $_POST['wr_3']*$uprice[$j] ;?></TD><TD align=left bgColor=#eaeaea>총판매 가격</td><TD bgColor=#eaeaea ><INPUT type=hidden name=wr_5   value="<?=$price?>"><INPUT id=wr_5 type="text" style="WIDTH:5%; WORD-BREAK: break-all" name=wr_5 value="<?=$view['wr_5']?>" ><!--<INPUT maxLength=10  id=wr_5 type="text" name=wr_5 itemname="총판매가격" required numeric value="<?=$view['wr_5']?>">&nbsp;원--><b><font color="RED"><?=number_format('wr_5')?></font></b>&nbsp;원</td></form></TR><!----------------------------------------------------------------> <tr><td height=3 colspan=2 background='<?=$board_skin_path?>/img/dot_bg2.gif'></td><td height=3 colspan=2 background='<?=$board_skin_path?>/img/dot_bg2.gif'></td></tr><TR><TD align=left bgColor=#eaeaea>&nbsp;결재선택</TD>  <TD bgColor=#ffffff><SELECT name=wr_2>                     <OPTION value=무통장입금 <?if($write[wr_2]=='무통장입금')echo "selected";?>>무통장입금</OPTION>                    <!-- 카드결재시.. 보안프로그램.. 필요!!!! < 미적용 >     <OPTION value=카드결재 <?if($write[wr_2]=='카드결재')echo "selected";?>>카드결재</OPTION     -->                    </SELECT></TD><TD align=left bgColor=#eaeaea>&nbsp;계좌은행</TD><TD bgColor=#ffffff><SELECT name=wr_9>                     <OPTION value=국민은행 <?if($write[wr_9]=='국민은행' || $write[wr_5]=='')echo "selected";?>>국민) 424001-01-183080 [예금주:박모씨]</OPTION>                     <OPTION value=농협 <?if($write[wr_9]=='농협')echo "selected";?>>농협) 601137-56-155327 [예금주:이모씨]</OPTION><br>                    </SELECT> </TD></TR><TR>    <TD align=left bgColor=#eaeaea>&nbsp;입금자명</TD>  <TD bgColor=#ffffff><INPUT maxLength=30 name=wr_10 required itemname="입금자명" value="<?=$write['wr_10']?>"></TD>  <?if ($member[mb_level] == "10" ) { ?> <TD align=left bgColor=#eaeaea>판매등록여부</TD>  <TD bgColor=#ffffff><input type="radio" name="wr_8"  value="" <? if($write[wr_8]=='')echo "checked"?>>미등록                      <input type="radio" name="wr_8"  value="c" <? if($write[wr_8]=='c')echo "checked"?>>판매등록</td>  <? } ?></TR>...... <? if ($is_password) { ?><TR><TD align=middle bgColor=#eaeaea>비밀번호</TD><TD bgColor=#ffffff colSpan=3><INPUT class=ed type=password maxlength=20 size=15 name=wr_password itemname="패스워드" <?=$password_required?>> (수정/삭제시 필요합니다.)</TD></TR><? } ?><? if ($is_norobot) { ?><tr>    <td align=middle bgColor=#eaeaea>· <?=$norobot_str?></td>    <td bgColor=#ffffff colSpan=3><input class=ed type=input size=10 name=wr_key itemname="자동등록방지" required>&nbsp;&nbsp;* 왼쪽의 글자중 <font color="red">빨간글자만</font> 순서대로 입력하세요.</td></tr><? } ?></TABLE><TABLE width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td width="100%" height="20"></td></tr><tr>    <td width="100%" align="center" valign="top"> <!-- 입력 완료!/ 취소! 버튼 -->        <input type=image id="btn_submit" src="<?=$board_skin_path?>/img/btn_write.gif" border=0 accesskey='s'>&nbsp;  <a href="./board.php?bo_table=<?=$bo_table?>"><img id="btn_list" src="<?=$board_skin_path?>/img/close.gif" border=0></a></td></tr></TABLE></td></table></FORM><script type="text/javascript" src="<?="$g4[path]/js/jquery.kcaptcha.js"?>"></script><script language="javascript"><?// 관리자라면 분류 선택에 '공지' 옵션을 추가함if ($is_admin) {    echo "    if (typeof(document.fwrite.ca_name) != 'undefined')    {        document.fwrite.ca_name.options.length += 1;        document.fwrite.ca_name.options[document.fwrite.ca_name.options.length-1].value = '공지';        document.fwrite.ca_name.options[document.fwrite.ca_name.options.length-1].text = '공지';    }";} ?>with (document.fwrite) {    if (typeof(wr_name) != "undefined")        wr_name.focus();    else if (typeof(wr_subject) != "undefined")        wr_subject.focus();    else if (typeof(wr_content) != "undefined")        wr_content.focus();    if (typeof(ca_name) != "undefined")        if (w.value == "u")            ca_name.value = "<?=$write[ca_name]?>";}function html_auto_br(obj){    if (obj.checked)     {        result = confirm("자동 줄바꿈을 하시겠습니까?\n\n자동 줄바꿈은 게시물 내용중 줄바뀐 곳을<br>태그로 변환하는 기능입니다.");        if (result)            obj.value = "html2";        else            obj.value = "html1";    }    else        obj.value = "";}function fwrite_submit(f) {    /*    var s = "";    if (s = word_filter_check(f.wr_subject.value)) {        alert("제목에 금지단어('"+s+"')가 포함되어있습니다");        return false;    }    if (s = word_filter_check(f.wr_content.value)) {        alert("내용에 금지단어('"+s+"')가 포함되어있습니다");        return false;    }    */    if (document.getElementById('char_count')) {        if (char_min > 0 || char_max > 0) {            var cnt = parseInt(document.getElementById('char_count').innerHTML);            if (char_min > 0 && char_min > cnt) {                alert("내용은 "+char_min+"글자 이상 쓰셔야 합니다.");                return false;            }             else if (char_max > 0 && char_max < cnt) {                alert("내용은 "+char_max+"글자 이하로 쓰셔야 합니다.");                return false;            }        }    }    if (document.getElementById('tx_wr_content')) {        if (!ed_wr_content.outputBodyText()) {             alert('내용을 입력하십시오.');             ed_wr_content.returnFalse();            return false;        }    }    <?    if ($is_dhtml_editor) echo cheditor3('wr_content');    ?>    var subject = "";    var content = "";    $.ajax({        url: "<?=$board_skin_path?>/ajax.filter.php",        type: "POST",        data: {            "subject": f.wr_subject.value,            "content": f.wr_content.value        },        dataType: "json",        async: false,        cache: false,        success: function(data, text상태) {            subject = data.subject;            content = data.content;        }    });    if (subject) {        alert("제목에 금지단어('"+subject+"')가 포함되어있습니다");        f.wr_subject.focus();        return false;    }    if (content) {        alert("내용에 금지단어('"+content+"')가 포함되어있습니다");        if (typeof(ed_wr_content) != "undefined")             ed_wr_content.returnFalse();        else             f.wr_content.focus();        return false;    }    if (!check_kcaptcha(f.wr_key)) {        return false;    }    document.getElementById('btn_submit').disabled = true;    document.getElementById('btn_list').disabled = true;    <?    if ($g4[https_url])        echo "f.action = '$g4[https_url]/$g4[bbs]/write_requpdate.php';";    else        echo "f.action = './write_requpdate.php';";    ?>        return true;}</script><script type="text/javascript" src="<?="$g4[path]/js/board.js"?>"></script><script type="text/javascript"> window.onload=function() { drawFont(); } </script>