카테고리탭응용해서 탭메뉴를 만드려고 하는데 고수님들 도움부탁드립니다. 채택완료

</STRONG>​</P>
<P><? if( !empty($bo_table)) { switch( $bo_table) { 
    
  case 'c1': echo '<nav id="bo_cate">
                      <ul id="bo_cate_ul">
                     <li>
                          <a class="{if(wr_id=="1") echo "bo_cate_on"; else echo ""; }" href="../bbs/board.php?bo_table=c1&wr_id=1">
                          제품1
                          </a>
                        </li>
                        <li>
                          <a class="{if(wr_id=="2") echo "bo_cate_on"; else echo ""; }" href="../bbs/board.php?bo_table=c1&wr_id=2">
                          제품2
                          </a>
                        </li>
                      </ul>
                   </nav>'; break;  
  } } </P>
<P> </P>
<P>  else { 
  
  echo '';
  
  } ?></P>
<P><STRONG>