its great!!
i change this script to
<!-- start links -->
<?php<br />
$link_cats = $wpdb->get_results("SELECT cat_id, cat_name FROM $wpdb->linkcategories");<br />
foreach ($link_cats as $link_cat) {?><br />
<br><id="linkcat-<?php echo $link_cat->cat_id; ?>"><h3><?php echo $link_cat->cat_name; ?></h3>
<?php wp_get_links($link_cat->cat_id); ?>
<?php } ?>
<!-- end links -->
