3단 검색.... 채택완료

</p><p> <select name="sfl" id="sfl"></p><p>        <option value="wr_subject"<?php echo get_selected($sfl, 'wr_subject', true); ?>>제목</option></p><p>        <option value="wr_content"<?php echo get_selected($sfl, 'wr_content'); ?>>내용</option></p><p>        <option value="wr_subject||wr_content"<?php echo get_selected($sfl, 'wr_subject||wr_content'); ?>>제목+내용</option></p><p>        <option value="mb_id,1"<?php echo get_selected($sfl, 'mb_id,1'); ?>>회원아이디</option></p><p>        <option value="mb_id,0"<?php echo get_selected($sfl, 'mb_id,0'); ?>>회원아이디(코)</option></p><p>        <option value="wr_name,1"<?php echo get_selected($sfl, 'wr_name,1'); ?>>글쓴이</option></p><p>        <option value="wr_name,0"<?php echo get_selected($sfl, 'wr_name,0'); ?>>글쓴이(코)</option></p><p>    </select> </p><p>