리스트에서 두개씩 나오게 하려면 어떻게 하면 될까요?

<table width="758" border="0" cellspacing="0" cellpadding="0">
  <tr>
    <td>강의명</td>
    <td><img src="../images/06/tableTopLine.gif" /></td>
    <td>&nbsp;</td>
     <td><img src="../images/06/tableTopLine.gif" /></td>
    <td>강의명td>
    <td width="1" bgcolor="edf3fa"><img src="../images/06/tableTopLine.gif" /></td>
    <td>&nbsp;</td>
  </tr>
<?
$sql = "select * from g4_board where bo_table='2012_01'";
$result = sql_query($sql);
$row = sql_fetch_array($result);

$cate = explode("|",$row[bo_category_list]);

for($i=0;$i<count($cate);$i++){
?>
<? if($i>0){?>
  <tr>
    <td height="1" background="../images/02/dotLine.gif"></td>
    <td height="1" background="../images/02/dotLine.gif"></td>
    <td background="../images/02/dotLine.gif"></td>
    <td background="../images/02/dotLine.gif"></td>
    <td height="1" background="../images/02/dotLine.gif"></td>
    <td height="1" background="../images/02/dotLine.gif"></td>
    <td background="../images/02/dotLine.gif"></td>
  </tr>
<? }?>
  <tr>
    <td class="td_head"><?=$cate[$i]?></td>
    <td><img src="../images/02/titleLine.gif" width="1" /></td>
    <td class="td_link"><a href="<?=$g4[bbs_path]?>/board.php?bo_table=<?=$row[bo_table]?>&sca=<?=$cate[$i]?>"><img src="../images/06/btnLink.jpg" /></a></td>
    <td><img src="../images/02/titleLine.gif" width="1" /></td>
    <td class="td_head"><?=$cate[$i]?></td>
    <td><img src="../images/02/titleLine.gif" width="1" /></td>
    <td class="td_link"><a href="<?=$g4[bbs_path]?>/board.php?bo_table=<?=$row[bo_table]?>&sca=<?=$cate[$i]?>"><img src="../images/06/btnLink.jpg" /></a></td>
  </tr>
<? }?>
</table>