{qing:template header.html} {qing:nav modelid=2 num=6}
{qing:$qing[catname]}
{qing:php $j=1;} {qing:list catid=$qing[catid] num=6} {qing:if $j % 3 == 0} {/qing:if} {qing:php $j++;} {/qing:list}
{/qing:nav} {qing:template footer.html}