Resuelto!
Código PHP:
<?php
if($location_sort)
{
$sort1 = "ORDER BY countryname";
}
else
{
$sort1 = "ORDER BY c.pos";
}
$sql = "SELECT * FROM $t_countries c INNER JOIN $t_cities ct ON c.countryid = ct.countryid AND ct.enabled = '1' WHERE c.enabled = '1' GROUP BY c.countryid $sort1";
$resc = mysql_query($sql);
$tr=1;
$columnas =2;
while($country = mysql_fetch_array($resc))
{
if($tr/($columnas+1)==1){echo "</tr><tr>";
$tr=1;
}
if($sef_urls) $country_url = "{$vbasedir}-$country[countryid]/" . RemoveBadURLChars($country['countryname']) . "/";
else $country_url = "?cityid=-$country[countryid]&lang=$xlang";
?>
<td>
<img style="vertical-align: middle" src="images/bullet.gif" alt="" border="0">
<a href="$country_url"><?php echo $country['countryname']; ?></a>
</td>
<?php
$tr++;
if($tr/($columnas+2)==1){echo "</tr>";}
}
while ($tr <= $columnas):
echo "<td> </td>";
$tr++;
endwhile;
mysql_free_result($r);
?>
Saludos