помогите пожалуйста не получается вот скрипт что не так

if (isset ($_GET['id_marka'])) 
{
$r2 = mysql_query ("SELECT * FROM auto_ws_marka WHERE id_marka = '".$_GET['id_marka']."'") or die(mysql_error());
$rr2 = mysql_fetch_array($r2);
$r22 = mysql_query ("SELECT * FROM typ WHERE id_typ = '".$rr2['id_typ']."'") or die(mysql_error());
$rr22 = mysql_fetch_array($r22);
$name = $rr22['typ']." | ".$rr2['marka'];
$styp="&id_marka=".$_GET['id_marka'];
$vibor="id_marka=".$_GET['id_marka'];
$vb="id_typ=".$rr22['id_typ'];
$id_cat=$rr2['id_typ'];
}
if (isset ($_GET['id_typ'])) 
{
$r2 = mysql_query ("SELECT * FROM typ WHERE id_typ = '".$_GET['id_typ']."'") or die(mysql_error());
$rr2 = mysql_fetch_array($r2);
$name = $rr2['typ'];
$styp="&id_typ=".$_GET['id_typ'];
$vibor="id_typ=".$_GET['id_typ'];
$vb=$vibor;
$id_cat=$_GET['id_typ'];
}




.................................................................
       <div class="nav_title ">Подкатегории</div>
				 <?
				    
               $qr11 = "SELECT  * FROM auto_ws_marka  WHERE id_typ =".$rr2['id_typ']." ORDER BY marka";
               $r = mysql_query($qr11);
	           while ($rr = mysql_fetch_array($r))
               {
	           $nr = mysql_query("SELECT id FROM object WHERE blok !='2' ".$regs." and id_marka='".$rr['id_marka']."'");
               $nrr=mysql_num_rows($nr);
			  
               echo ' <ul id="menu"> 
		
			 <li>
			   
			  <a  href="marka.php?id_marka='.$rr['id_marka'].'&tr=1">'.$rr['marka'].'</a>   </li><font>('.$nrr.')</font> </ul>'; 
			   } 
			
			   
              
               ?>
               
               </div>

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