{get model=category data=ccc fun=cat_nav()} {foreach item=c key=k from=$ccc}

{$c.cname} {if $c.child} {if $c[child][0][cname] neq $c.cname} {foreach item=cc key=k from=$c.child} {$cc.cname} {/foreach} {/if} {/if}

{/foreach}