$langs = array('cs', 'de', 'en');


{foreach $langs as $lang}
    {var $name = "title_$lang"}
    {label $name /}
    {input $name}

    {ignoreforeach}
	{label parent_id /}
        {input parent_id}
    {/ignoreforeach}

    {var $name = "content_$lang"}
    {label $name /}
    {input $name}
{/foreach}