<div id="hd_sch">
                <h2>사이트 내 전체검색</h2>
                <form name="fsearchbox" action="<?php echo G5_BBS_URL ?>/search.php" onsubmit="return fsearchbox_submit(this);" method="get">
                <input type="hidden" name="sfl" value="wr_subject||wr_content">
                <input type="hidden" name="sop" value="and">
                <input type="text" name="stx" id="sch_stx" placeholder="검색어(필수)" required maxlength="20">
                <button type="submit" value="검색" id="sch_submit"><i class="fa fa-search" aria-hidden="true"></i><span class="sound_only">검색</span></button>
                </form>
                <script>
                function fsearchbox_submit(f)
                {
                    if (f.stx.value.length < 2) {
                        alert("검색어는 두글자 이상 입력하십시오.");
                        f.stx.select();
                        f.stx.focus();
                        return false;
                    }
                    // 검색에 많은 부하가 걸리는 경우 이 주석을 제거하세요.
                    var cnt = 0;
                    for (var i=0; i<f.stx.value.length; i++) {
                        if (f.stx.value.charAt(i) == ' ')
                            cnt++;
                    }
                    if (cnt > 1) {
                        alert("빠른 검색을 위하여 검색어에 공백은 한개만 입력할 수 있습니다.");
                        f.stx.select();
                        f.stx.focus();
                        return false;
                    }
                    return true;
                }
                </script>
            </div>