Custom three-column widget-ready footer for Thesis

<?php
/*
* custom_functions.php
* To provide a custom three-column widget-ready footer to your Thesis theme.
*/

// Remove the existing Thesis links from the footer
remove_action('thesis_hook_footer', 'thesis_attribution');
remove_action('thesis_hook_footer', 'thesis_admin_link');

// Add three columns for our Footer widgets
add_action('thesis_hook_footer', 'customFooter');
function customFooter() {
?>

<div class="col Footer1">
<ul class="sidebar_list">
<?php if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('Footer1') ){ ?>
<li class="widget">
<div class="widget_box">
<h3><?php _e('Footer Widget 1', 'thesis'); ?></h3>
<p>You can edit the content that appears here by visiting your Widgets panel and
modifying the <em>current widgets</em> there.</p>
</div>
</li>
<?php } ?>

</ul>
</div>
<div class="col Footer2">
<ul class="sidebar_list">
<?php if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('Footer2') ) { ?>
<li class="widget">
<div class="widget_box">
<h3><?php _e('Footer Widget 2', 'thesis'); ?></h3>
<p>You can edit the content that appears here by visiting your Widgets panel and
modifying the <em>current widgets</em> there.</p>
</div>
</li>
<?php } ?>
</ul>
</div>
<div class="col Footer3">
<ul class="sidebar_list">
<?php if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('Footer3') ) { ?>
<li class="widget">
<div class="widget_box">
<h3><?php _e('Footer Widget 3', 'thesis'); ?></h3>
<p>You can edit the content that appears here by visiting your Widgets panel and
modifying the <em>current widgets</em> there.</p>
</div>
</li>
<?php } ?>
</ul>
</div>
<div class="cb"></div>

<?php
}

// Register our three new columns as "Sidebars" so they can take widgets
register_sidebar(array('name'=>'Footer1', 'before_title'=>'<h3>', 'after_title'=>'</h3>'));
register_sidebar(array('name'=>'Footer2', 'before_title'=>'<h3>', 'after_title'=>'</h3>'));
register_sidebar(array('name'=>'Footer3', 'before_title'=>'<h3>', 'after_title'=>'</h3>'));

?>