{loop archive($_catid,$_typeid,$_spid,$_area,$_length,$_ordertype,$_limit,$_image,$_attr1,$_son,$_wheretype,$_tpl,$_intro_len,$_istop) $i $archive} {if $i%2==0}
{$archive['stitle']}

{$archive['title']}

{$archive[intro]}

{else}

{$archive['title']}

{$archive[intro]}

{$archive['stitle']}
{/if} {/loop}