Sidebar horizontal einsetzen?

Moin,

kann mir jemand sagen, wie ich die folgende Sidebar 3-spaltig, 2-zeilig aufbauen kann, also wie und wo ich womit umbrechen muss?

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<div id="sidebar" style="clear: both">
<ul>
<li id="blog-search">
<h2><label for="s">Suchen</label></h2>
<?php include (TEMPLATEPATH . '/searchform.php'); ?>
</li>
</ul>

<ul>

<?php wp_list_pages('title_li=<h2>Inhalt</h2>' ); ?>

<li id="blog-categories">
<h2>Kategorien</h2>
<ul>
<?php wp_list_cats('sort_column=name&hierarchical=1'); ?>
</ul>
</li>

<li id="blog-archives">
<h2>Archiv</h2>
<ul>
<?php wp_get_archives('type=monthly'); ?>
</ul>
</li>

<?php if ( is_home() || is_page() ) { ?>

<?php get_links_list('id-'); ?>

<li id="feeds">
<h2>XML Feeds</h2>
<ul>
<li><a href="<?php bloginfo('atom_url'); ?>" title="<?php bloginfo('name'); ?> Atom 1.0 (XML) Feed" rel="alternate" type="application/atom+xml">Atom (XML) Feed</a></li>
<li><a href="<?php bloginfo('rss2_url'); ?>" title="<?php bloginfo('name'); ?> RSS 2.0 (XML) Feed" rel="alternate" type="application/rss+xml">RSS 2.0 (XML) Feed</a></li>
<li><a href="<?php bloginfo('comments_rss2_url'); ?>" title="<?php bloginfo('name'); ?> Kommentare RSS 2.0 (XML) Feed" rel="alternate" type="application/rss+xml">Kommentare RSS 2.0 (XML) Feed</a></li>
</ul>
</li>

<li id="meta">
<h2>Meta</h2>
<ul>
<?php wp_register(); ?>
<li><?php wp_loginout(); ?></li>
<li><a href="http://wordpress.org/" title="Powered by WordPress">WordPress</a></li>
<?php wp_meta(); ?>
</ul>
</li>

<?php } ?>

</ul>
</div><!-- END SIDEBAR -->

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tausend dank für eure Hilfe!
heinzi