Спасибо! Только почему у товаров, которых нет в наличии написаны сразу две строчки "Доставка сегодня" и " Доставка завтра" ??
{assign var="weekday" value=$smarty.now|date_format:"%u"}
{assign var="4asy" value=$smarty.now|date_format:"%H"}
{if $weekday < '6'
AND $product->id_manufacturer == '68'
OR $product->id_manufacturer == '70'
OR $product->id_manufacturer == '76'
OR $product->id_manufacturer == '84'
OR $product->id_manufacturer == '313'
AND $4asy < '14' }
<p>Доставим сегодня!</p>
{/if}
{if $weekday < '5'
AND $product->id_manufacturer == '68'
OR $product->id_manufacturer == '70'
OR $product->id_manufacturer == '76'
OR $product->id_manufacturer == '84'
OR $product->id_manufacturer == '313'
AND $4asy > '13' }
<p>Доставка завтра!</p>
{/if}