اینو تست کنید
کد:{if $status eq "Unpaid"} <font class="unpaid">{$LANG.invoicesunpaid}</font><br /> {if $allowchangegateway} <a href="{$smarty.server.PHP_SELF}?id={$invoiceid}"><img src="adresslogo.jpg" /></a> <br /> {else} {$paymentmethod}<br /> {/if} {$paymentbutton} {elseif $status eq "Paid"}