편리님 질문을 드려 봅니다.[게시판 댓글 수정부분 입니다.]

<tr>
            <th scope="row">내용</th>
            <td>
                <?php if ($comment_min || $comment_max) { ?><strong id="char_cnt"><span id="char_count"></span>글자</strong><?php } ?>
                <textarea id="wr_content" name="wr_content" maxlength="10000" required class="required" title="내용"
                <?php if ($comment_min || $comment_max) { ?>onkeyup="check_byte('wr_content', 'char_count');"<?php } ?>><?php echo $c_wr_content;  ?></textarea>
                <?php if ($comment_min || $comment_max) { ?><script> check_byte('wr_content', 'char_count'); </script><?php } ?>
                <script>
                $("textarea#wr_content[maxlength]").live("keyup change", function() {
                    var str = $(this).val()
                    var mx = parseInt($(this).attr("maxlength"))
                    if (str.length > mx) {
                        $(this).val(str.substr(0, mx));
                        return false;
                    }
                });
                </script>
            </td>
        </tr>