<div class="box-cart-bottom">...</div>вот тут код кнопки.
</div> <!-- end product_attributes --><div class="box-cart-bottom"> <div{if (!$allow_oosp && $product->quantity <= 0) || !$product->available_for_order || (isset($restricted_country_mode) && $restricted_country_mode) || $PS_CATALOG_MODE} class="unvisible"{/if}> <p id="add_to_cart" class="buttons_bottom_block no-print"> <button type="submit" name="Submit" class="exclusive"> <span>{if $content_only && (isset($product->customization_required) && $product->customization_required)}{l s='Customize'}{else}{l s='Add to cart'}{/if}</span> </button> </p> </div> <script type="text/javascript" src="//vk.com/js/api/openapi.js?115"></script> <script type="text/javascript"> VK.init({apiId: 4631882, onlyWidgets: true}); </script> {if isset($HOOK_PRODUCT_ACTIONS) && $HOOK_PRODUCT_ACTIONS}{$HOOK_PRODUCT_ACTIONS}{/if}<strong></strong> </div> <!-- end box-cart-bottom --></div> <!-- end box-info-product --></form>
{literal}<script type="text/javascript" src="//vk.com/js/api/openapi.js?115"></script><script type="text/javascript"> VK.init({apiId: 4631882, onlyWidgets: true});</script>{/literal}
пробовал в {literal} заключать, все равно белый экран