求助：验证码添加不了

这个提交的表单，我不知道验证码的验证代码加到哪个页面，显示代码已添加了。

为了看了清楚点，我把编辑器的一些代码删了些。


  <FORM METHOD=POST name="form1" ACTION="<%=MM_editAction%>" onClick="return CheckForm(this);">
          <TEXTAREA NAME="content" ROWS="1" COLS="1" style="display:none;"></TEXTAREA>
          <TR>
            <TD><p>标  题：
              <label onFocus="MM_validateForm('textfield4','','NisNum','textfield5','','NisEmail');return document.MM_returnValue">
                    <input name="textfield2" type="text" size="28" maxlength="25" />
                    <span class="STYLE1">* 必填</span> <br>
                    <br>
                供应商：
                <input name="textfield3" type="text" id="textfield3" size="25" />
                <br>
                <br>
                电    话：
                <input name="textfield4" type="text" id="textfield4" size="25" maxlength="25" />
                <br>
                <br>
                邮    箱：
                <input name="textfield5" type="text" id="textfield5" size="25" />
                <br>
                <br>
                地    址：
                <input name="textfield6" type="text" id="textfield6" size="30" />
                  </label>
              </p>
              <p>
               验证码：
                 
               
               
            <input name='validatecode' type='text' size='5'> <img src='imgchk/validatecode.asp' align='absmiddle' border='0'>
               
                </p>
              <TABLE>
                  <TR>
                    <TD height="31"><select name="font_name" id="font_name" onChange="FontName(this.options[this.selectedIndex].value)">
                        <option class="heading" selected>字体
                        <option value="宋体">宋体
                        <option value="黑体">黑体
                        <option value="楷体_GB2312">楷体
                        <option value="仿宋_GB2312">仿宋
                                                                  <option value="Wingdings">Wingdings</option>
                      </select>
                    </TD>
                    <TD><select name="font_size" id="font_size" onChange="FontSize(this.options[this.selectedIndex].value)">
                        <option value="1">字号</option>
                        <option value="1">1</option>
                        <option value="2">2</option>
                 
                      </select>
                    </TD>
                    <TD OnClick="FontColor()" this.className='Hand_Off'; onmouseover=this.className='Hand_On'; onmouseout=this.className='Hand_Off';><IMG SRC="Editor/images/fgcolor.gif" WIDTH="16" HEIGHT="16" BORDER="0" ALT="字体颜色"></TD>
                                                        <TD OnClick="unformat()" this.className='Hand_Off';ondrag='return false;'" onmouseover=this.className='Hand_On'; onmouseout=this.className='Hand_Off';><IMG SRC="Editor/images/cleancode.gif" WIDTH="16" HEIGHT="16" BORDER="0" ALT="取消格式"></TD>
                  </TR>
              </TABLE></TD>
          </TR>
          <TR>
            <TD><SCRIPT LANGUAGE="JavaScript">
<!--
    Editor(document.form1.content.value);
//-->
      </SCRIPT>
            </TD>
          </TR>
          <TR>
            <TD height="65"><div align="center">
                <INPUT name="submit" TYPE="submit" value="提交">
                  
                <INPUT name="submit" TYPE="reset" value="重置">
            </div></TD>
          </TR>
          <input type="hidden" name="MM_insert" value="form1">
        </FORM>