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<{foreach from=$cates item=item name=cat1}> <{if $item.parent_id == 0}>

<{foreach from=$cates item=it2 name=cat2}> <{if $it2.parent_id == $item.cat_id}> <{$it2.title}> <{/if}> <{/foreach}>

<{/if}> <{/foreach}>

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<{include file='block/ask_right.html'}>

<{include file="block/footer.html"}>