버튼형식에다가 타사이트 링크를 걸고 싶어요. 채택완료

<?if ($srow['ct_id']){?>
                                <button class="apply_btn" type="button" onclick="location.href='lecture_apply.php?lt_no=<?=$lt_no?>'">모집중</button>
                            <?}else{

                                if ($trow['ct_sdate']>Date("Y-m-d",time())){
                            ?>
                                <button class="apply_btn" type="button" style="background:#91969a !important" onclick="alert('접수 대기중 입니다.');">접수대기</button>
                            <?
                                }else{
                            ?>
                                <button class="apply_btn" type="button" style="background:#000 !important" onclick="alert('신청이 마감 되었습니다.');">신청마감</button>
                            <?    }
                            }?>
                                <button class="normal_btn" onclick="location.href='lecture_chk.php?lt_no=<?=$lt_no?>&page=<?=$page?>&sca=<?=$sca?>&stx=<?=$stx?>';">
                                    접수내역확인
                                </button>
                                <button class="normal_btn" onclick="<a href="www.naver.com"><?=$page?>&sca=<?=$sca?>&stx=<?=$stx?>';">
                                    서류제출
                                </button>
                                <button class="normal_btn" onclick="location.href='lecture.php?page=<?=$page?>&sca=<?=$sca?>&stx=<?=$stx?>';">
                                    리스트
                                </button>