$context['bbc_tags'][] = array (
'test' => array('code' => 'test', 'before' => '[test]', 'after' => '[/test]', 'description' => $txt[xxx]),
);

echo '<br />';

$found_button = false;
// Print the buttom row of buttons!
foreach ($context['bbc_tags'][1] as $image => $tag)
{
if (isset($tag['before']))
{
// Is this tag disabled?
if (!empty($context['disabled_tags'][$tag['code']]))
continue;

$found_button = true;

// If there's no after, we're just replacing the entire selection in the post box.
if (!isset($tag['after']))
echo '<a href="javascript:void(0);" onclick="replaceText(\'', $tag['before'], '\', document.forms.', $context['post_form'], '.', $context['post_box_name'], '); return false;">';
// On the other hand, if there is one we are surrounding the selection ;).
else
echo '<a href="javascript:void(0);" onclick="surroundText(\'', $tag['before'], '\', \'', $tag['after'], '\', document.forms.', $context['post_form'], '.', $context['post_box_name'], '); return false;">';

// Okay... we have the link. Now for the image and the closing </a>!
echo '<img onmouseover="bbc_highlight(this, true);" onmouseout="if (window.bbc_highlight) bbc_highlight(this, false);" src="', $settings['images_url'], '/bbc/', $image, '.gif" align="bottom" width="23" height="22" alt="', $tag['description'], '" title="', $tag['description'], '" style="background-image: url(', $settings['images_url'], '/bbc/bbc_bg.gif); margin: 1px 2px 1px 1px;" /></a>';
}
// I guess it's a divider...
elseif ($found_button)
{
echo '<img src="', $settings['images_url'], '/bbc/divider.gif" alt="|" style="margin: 0 3px 0 3px;" />';
$found_button = false;
}
}