JQuery, neue Klasse an vorhandene Klasse hängen.

<?php
/**
 * @package     	Joomla.Site
 * @subpackage  	mod_menu override
 * @copyright   	Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     	GNU General Public License version 2 or later; see LICENSE.txt
 * Modifications	Joomla CSS
 */

defined('_JEXEC') or die;  
// Note. It is important to remove spaces between elements.
?>
<?php // The menu class is deprecated. Use nav instead. ?>
<ul class="nav menu <?php echo $class_sfx;?>"<?php  
	$tag = '';  
	if ($params->get('tag_id') != null)  
	{
		$tag = $params->get('tag_id').'';  
		echo ' id="'.$tag.'"';  
	}
?>>
<?php
foreach ($list as $i => &$item) :
	$class = 'item-'.$item->id;  
	if ($item->id == $active_id)
	{
		$class .= ' current';  
	}

	if (in_array($item->id, $path))
	{
		$class .= ' active';  
	}
	elseif ($item->type == 'alias')  
	{
		$aliasToId = $item->params->get('aliasoptions');  
		if (count($path) > 0 && $aliasToId == $path[count($path) - 1])
		{
			$class .= ' active';  
		}
		elseif (in_array($aliasToId, $path))
		{
			$class .= ' alias-parent-active';  
		}
	}

	if ($item->type == 'separator')  
	{
		$class .= ' divider';  
	}

	if ($item->deeper) {
		if ($item->level < 2) {
			$class .= ' dropdown deeper';  
		}
		else {
			$class .= ' dropdown-submenu deeper';  
		}
	}

	if ($item->parent)
	{
		$class .= ' parent';  
	}

	if (!empty($class))
	{
		$class = ' class="'.trim($class) .'"';  
	}

	echo '<li'.$class.'>';  

	// Render the menu item.
	switch ($item->type) :
		case 'separator':  
		case 'url':  
		case 'component':  
		case 'heading':  
			require JModuleHelper::getLayoutPath('mod_menu', 'default_'.$item->type);  
			break;

		default:
			require JModuleHelper::getLayoutPath('mod_menu', 'default_url');  
			break;
	endswitch;

	// The next item is deeper.
	if ($item->deeper){
		echo '<ul class="nav-child unstyled small dropdown-menu">';  
	}
	elseif ($item->deeper) {
		echo '<ul>';  
	}
	// The next item is shallower.
	elseif ($item->shallower) {
		echo '</li>';  
		echo str_repeat('</ul></li>', $item->level_diff);  
	}
	// The next item is on the same level.
	else {
		echo '</li>';  
	}
endforeach;
?></ul>