부트스트랩 그누보드 페이지별 메뉴 active 하는방법

<div class="blog-masthead">      <div class="container">        <nav class="blog-nav">          <a class="blog-nav-item active" href="<?php echo !defined('_INDEX_') ? G5_URL.'/' : '#page-top'?>">홈</a>          <a class="blog-nav-item <?php echo $bo_table == 'board' ? 'active' : ''?>" href="<?php echo G5_BBS_URL?>/board.php?bo_table=issue">이슈</a>		  <a class="blog-nav-item" href="#">유머</a>		  <a class="blog-nav-item" href="#">비디오</a>		  <a class="blog-nav-item" href="#">공포</a>		  <a class="blog-nav-item" href="#">웹툰</a>		  <?php if($is_guest) { ?>          <a class="blog-nav-item" href="<?php echo G5_BBS_URL?>/login.php">로그인</a>		  <?php } else { ?>          <a class="blog-nav-item" href="<?php echo G5_BBS_URL?>/logout.php">로그아웃</a>		  <?php } ?>        </nav>      </div>    </div>