function social_bookmarking_toolbar($url, $title, $description = '')
{
    $html = '';
    $html .= '<!-- AddThis Button BEGIN -->';
    $html .= '<div class="addthis_toolbox addthis_default_style addthis_32x32_style"';
    $html .= ' addthis:url="' . html_escape($url) . '" addthis:title="' . html_escape($title) . '" addthis:description="' . html_escape($description) . '">';
    $html .= '<h2>Social</h2>';
    $services = social_bookmarking_get_services();
    if ($services) {
        $serviceSettings = social_bookmarking_get_service_settings();
        $booleanFilter = new Omeka_Filter_Boolean();
        foreach ($serviceSettings as $serviceCode => $value) {
            if ($booleanFilter->filter($value) && array_key_exists($serviceCode, $services)) {
                $html .= '<a class="addthis_button_' . html_escape($serviceCode) . '"></a>';
            }
        }
    } else {
        $html .= __('Sociale functies tijdelijk offline.');
    }
    $html .= '<a class="addthis_button_compact"></a>';
    //$html .= '<a class="addthis_counter addthis_bubble_style"></a>';
    $html .= '</div>';
    $html .= '<script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js"></script>';
    $html .= '<!-- AddThis Button END -->';
    return $html;
}
</p>
        </div>
    </div>

    <div class="field">
        <div class="two columns alpha">
            <p><?php 
echo __('Choose which social bookmarking services you would like to use on your site.');
?>
</p>
        </div>

        <div class="inputs five columns omega">
        <ul class="details">
        <?php 
$services = social_bookmarking_get_services();
$serviceSettings = social_bookmarking_get_service_settings();
foreach ($services as $serviceCode => $serviceInfo) {
    if (array_key_exists($serviceCode, $serviceSettings)) {
        $value = $serviceSettings[$serviceCode];
    } else {
        $value = false;
    }
    ?>
            <li class="details">
            <?php 
    echo get_view()->formCheckbox($serviceCode, true, array('checked' => (bool) $value));
    ?>
            <img src="<?php 
    echo html_escape($serviceInfo['icon']);
    ?>