게시판에서 비밀글 체크하면 제목도 비밀글입니다. 생성되게 할수있나요?

지금 게시판에서 홈페이지 이용자가 비밀글을 체크박스 체크하면,

제목에 자동으로 비밀글입니다. 생성되고, 수정하지 못하게 할수 있나요?

아래는 비밀글 체크박스부터 제목이 나오는 영역 (write) 입니다.

가능할까요?

<?php
    $option = '';
    $option_hidden = '';
    if ($is_notice || $is_html || $is_secret || $is_mail) {
        $option = '';
        if ($is_notice) {
            $option .= "\n".'<input type="checkbox" id="notice" name="notice" value="1" '.$notice_checked.'>'."\n".'<label for="notice">공지</label>';
        }

        if ($is_html) {
            if ($is_dhtml_editor) {
                $option_hidden .= '<input type="hidden" value="html1" name="html">';
            } else {
                $option .= "\n".'<input type="checkbox" id="html" name="html" onclick="html_auto_br(this);" value="'.$html_value.'" '.$html_checked.'>'."\n".'<label for="html">html</label>';
            }
        }

        if ($is_secret) {
            if ($is_admin || $is_secret==1) {
                $option .= "\n".'<input type="checkbox" id="secret" name="secret" value="secret" '.$secret_checked.'>'."\n".'<label for="secret">비밀글</label>';
            } else {
                $option_hidden .= '<input type="hidden" name="secret" value="secret">';
            }
        }

        if ($is_mail) {
            $option .= "\n".'<input type="checkbox" id="mail" name="mail" value="mail" '.$recv_email_checked.'>'."\n".'<label for="mail">답변메일받기</label>';
        }
    }

    echo $option_hidden;
    ?>

    <div class="tbl_frm01 tbl_wrap">
        <table>
        <tbody>
        <?php if ($is_name) { ?>
        <tr>
            <th scope="row"><label for="wr_name">이름<strong class="sound_only">필수</strong></label></th>
            <td><input type="text" name="wr_name" value="<?php echo $name ?>" id="wr_name" required class="frm_input required" size="10" maxlength="20"></td>
        </tr>
        <?php } ?>

        <?php if ($is_password) { ?>
        <tr>
            <th scope="row"><label for="wr_password">비밀번호<strong class="sound_only">필수</strong></label></th>
            <td><input type="password" name="wr_password" id="wr_password" <?php echo $password_required ?> class="frm_input <?php echo $password_required ?>" maxlength="20"></td>
        </tr>
        <?php } ?>

        <?php if ($is_email) { ?>
        <tr>
            <th scope="row"><label for="wr_email">이메일</label></th>
            <td><input type="text" name="wr_email" value="<?php echo $email ?>" id="wr_email" class="frm_input email" size="50" maxlength="100"></td>
        </tr>
        <?php } ?>

        <?php if ($is_homepage) { ?>
        <tr>
            <th scope="row"><label for="wr_homepage">홈페이지</label></th>
            <td><input type="text" name="wr_homepage" value="<?php echo $homepage ?>" id="wr_homepage" class="frm_input" size="50"></td>
        </tr>
        <?php } ?>

        <?php if ($option) { ?>
        <tr>
            <th scope="row">옵션</th>
            <td><?php echo $option ?></td>
        </tr>
        <?php } ?>

        <?php if ($is_category) { ?>
        <tr>
            <th scope="row"><label for="ca_name">분류<strong class="sound_only">필수</strong></label></th>
            <td>
                <select name="ca_name" id="ca_name" required class="required" >
                    <option value="">선택하세요</option>
                    <?php echo $category_option ?>
                </select>
            </td>
        </tr>
        <?php } ?>
 
        <tr>
            <th scope="row"><label for="wr_subject">제목<strong class="sound_only">필수</strong></label></th>
            <td>
                <div id="autosave_wrapper">
                    <input type="text" name="wr_subject" value="<?php echo $subject ?>" id="wr_subject" required class="frm_input required" size="50" maxlength="255">

                    <?php if ($is_member) { // 임시 저장된 글 기능 ?>
                    <script src="<?php echo G5_JS_URL; ?>/autosave.js"></script>
                    <button type="button" id="btn_autosave" class="btn_frmline">임시 저장된 글 (<span id="autosave_count"><?php echo $autosave_count; ?></span>)</button>
                    <div id="autosave_pop">
                        <strong>임시 저장된 글 목록</strong>
                        <div><button type="button" class="autosave_close"><img src="<?php echo $board_skin_url; ?>/img/btn_close.gif" alt="닫기"></button></div>
                        <ul></ul>
                        <div><button type="button" class="autosave_close"><img src="<?php echo $board_skin_url; ?>/img/btn_close.gif" alt="닫기"></button></div>
                    </div>
                    <?php } ?>
                </div>
            </td>
        </tr>