검색창 추가 문의좀 드릴게요

       <legend>사이트 내 전체검색</legend>

            <form name="fsearchbox" method="get" action="<?php echo G5_BBS_URL ?>/search.php" onsubmit="return fsearchbox_submit(this);">

            <input type="hidden" name="sfl" value="wr_subject||wr_content">

            <input type="hidden" name="sop" value="and">

            <label for="sch_stx" class="sound_only">검색어<strong class="sound_only"> 필수</strong></label>

            <input type="text" name="stx" id="sch_stx" maxlength="20" style="display: none;" >

            <button id="sch_submit" type="submit" alt="검색" onclick="$('#sch_stx').toggle();"/>

<i class="fa fa-search"></i>

</button>

            </form>