затрудняюсь с ответом.
мой файл orderdone.php выглядит так;

Если удобней текстом, то вот так:
<?php defined('_JEXEC') or die();
/**
* @version $Id: orderdone.php 7538 2014-01-06 11:36:43Z Milbo $
*
* @author Valérie Isaksen
* @package VirtueMart
*
@copyright Copyright (C) 2012 iStraxx - All rights reserved.
* @license
http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
* VirtueMart is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
*/
?>
<style type="text/css">
#klarna_invno {
float:left; font-weight: bold; font-size: 13px;
}
#klarna_invno_text {
width: 50%; float: left;
}
.clear {
clear: both;
}
.klarna_info {
float: left; left: -2px; position: relative; text-align: left; width: 99.8%;
}
.klarna_tulip {
float: left; padding-right: 10px;
}
</style>
<div class="klarna_info">
<span class="sectiontableheader klarna_info">
<?php echo $viewData['payment_name']; ?>
</span>
<span id="klarna_invno_wrapper">
<span id="klarna_invno_text"><?php echo vmText::sprintf('VMPAYMENT_KLARNA_INVOICE_NUMBER_TEXT'); ?></span>
<span id="klarna_invno"><?php echo $viewData['klarna_invoiceno']; ?></span>
</span>
<>
<div class="clear"><>