Atid

<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/jquery-ui.min.js"></script>

 
 <div class="container_12" id="topmenu">
    <div class="grid_12">
       <?php cmsModule('topmenu'); ?>
    </div>
</div>
Заменяем на 
<div class="container_12">              
      <?php cmsModule('topmenu'); ?>               
</div>
 

<script type="text/javascript">
    $('#nav').spasticNav();
</script>

<script src="/templates/_default_/js/jquery.spasticNav.js" type="text/javascript"></script>
<link href="/templates/_default_/css/style.css" rel="stylesheet" type="text/css" />
<div>
<ul id="nav" class="menu">
 
    {if $cfg.show_home}
        <li {if $menuid==1}class="selected"{/if}>
            <a href="/" {if $menuid==1}class="selected"{/if}><span>{$LANG.PATH_HOME}</span></a>
        </li>
    {/if}
 
    {foreach key=key item=item from=$items}
 
        {if $item.NSLevel == $last_level}</li>{/if}
        {math equation="x - y" x=$last_level y=$item.NSLevel assign="tail"}
        {section name=foo start=0 loop=$tail step=1}
            </li></ul>
        {/section}
 
        {if $item.NSLevel <= 1}
            <li {if ($menuid==$item.id || ($currentmenu.NSLeft > $item.NSLeft && $currentmenu.NSRight < $item.NSRight)) && $item.NSLevel<=1}class="selected"{/if}>
        {/if}
        {if $item.NSLevel <= 1}
            <a href="{$item.link}" target="{$item.target}" {if $menuid==$item.id}class="selected"{/if} title="{$item.title|escape:'html'}">
                {if $item.iconurl}<img src="/images/menuicons/{$item.iconurl}" alt="{$item.title|escape:'html'}" />{/if} {$item.title}
            </a>
        {else}
            {if $item.NSLevel > $last_level}<ul>{/if}
                <li {if ($menuid==$item.id || ($currentmenu.NSLeft > $item.NSLeft && $currentmenu.NSRight < $item.NSRight))}class="selected"{/if}>
                    <a href="{$item.link}" target="{$item.target}" {if $menuid==$item.id}class="selected"{/if} title="{$item.title|escape:'html'}">
                        <span>{if $item.iconurl}<img src="/images/menuicons/{$item.iconurl}" alt="{$item.title|escape:'html'}" />{/if} {$item.title}</span>
                    </a>
        {/if}
        {assign var="last_level" value=$item.NSLevel}
 
    {/foreach}
    {section name=foo start=0 loop=$last_level step=1}
        </li></ul>
    {/section}
 
</ul>
 
</div>