상품목록에서 정렬방법 선택 시 선택한 탭의 색상을 변경하기

<?php      if( !defined('GC_NAME') ) exit;           $sct_sort_href = gc_get_shop_url();        do_action( GC_NAME.'_skin_action', __FILE__, plugin_dir_path( __FILE__) );  $query4ssch_sort="#E78B90 !important";      ?>            <!-- 상품 정렬 선택 시작 { -->      <section id="sct_sort">         <h2>상품 정렬</h2>         <ul id="ssch_sort">              <li id="sort_style"><a style="color: <?php if($_GET['orderby']=="it_sum_qty"){echo htmlspecialchars($query4ssch_sort);} ?>" href="<?php echo add_query_arg( array('orderby'=>'it_sum_qty'), $sct_sort_href); ?>">판매많은순</a></li>             <li id="sort_style"><a style="color: <?php if($_GET['orderby']=="price-asc"){echo htmlspecialchars($query4ssch_sort);} ?>" href="<?php echo add_query_arg( array('orderby'=>'price-asc'), $sct_sort_href); ?>">낮은가격순</a></li>             <li id="sort_style"><a style="color: <?php if($_GET['orderby']=="price"){echo htmlspecialchars($query4ssch_sort);} ?>" href="<?php echo add_query_arg( array('orderby'=>'price'), $sct_sort_href); ?>">높은가격순</a></li>              <li id="sort_style"><a style="color: <?php if($_GET['orderby']=="rating"){echo htmlspecialchars($query4ssch_sort);} ?>" href="<?php echo add_query_arg( array('orderby'=>'rating'), $sct_sort_href); ?>">평점높은순</a></li>             <li id="sort_style"><a style="color: <?php if($_GET['orderby']=="comment_count"){echo htmlspecialchars($query4ssch_sort);} ?>" href="<?php echo add_query_arg( array('orderby'=>'comment_count'), $sct_sort_href); ?>">후기많은순</a></li>            <li id="sort_style"><a style="color: <?php if($_GET['orderby']=="post_date"){echo htmlspecialchars($query4ssch_sort);} ?>" href="<?php echo add_query_arg( array('orderby'=>'post_date'), $sct_sort_href); ?>">최근등록순</a></li>       </ul></section>      <!-- } 상품 정렬 선택 끝 -->