</layout>
    <catalog_product_view>
        <reference name="product.info">
            <!--<remove name="info_tabs" />-->
            <!--<remove name="product.info.tabs" />-->
            <!--<action method="unsetChild"><name>info_tabs</name></action>-->
            <action method="unsetChild"><name>product.info.tabs</name></action>
        </reference>
    </catalog_product_view>
</layout>

<reference name="product.info">
    <!-- Add tabs -->
    <block type="catalog/product_view_tabs" name="product.info.tabs" as="info_tabs" template="catalog/product/view/tabs.phtml">

<div class="row product-collateral">
    <?php foreach ($this->getChildGroup('detailed_info', 'getChildHtml') as $alias => $html):?>
        <div class="box-collateral <?php echo "box-{$alias}"?>">
            <?php if ($title = $this->getChildData($alias, 'title')):?>
                <h2><?php echo $this->escapeHtml($title); ?></h2>
            <?php endif;?>
            <?php echo $html; ?>
        </div>
    <?php endforeach;?>
        <?php echo $this->getChildHtml('upsell_products') ?>
        <?php echo $this->getChildHtml('product_additional_data') ?>
</div>