Sorry, but this code in the file 'shopping.js', probably not needed?
/*
if (pointsPriceControl) {
var pointsPrice = pointsBase + (totalAdditionalPrice * params["points_rate"]);
pointsPriceControl.innerHTML = formatNumber(pointsPrice, params["points_decimals"]);
}
<div id="pr_11_6" style="display: block;">
<div style="margin: 2px 2px 6px 6px; font-weight: bold;">
Accessories: </div>
<input name="property_name_6" value="Accessories" type="hidden">
<input name="property_required_6" value="0" type="hidden">
<input name="property_control_6" value="CHECKBOXLIST" type="hidden">
<input name="property_parent_id_6" value="" type="hidden">
<input name="property_parent_value_id_6" value="" type="hidden">
<input name="property_price_type_6" value="" type="hidden">
<input name="property_price_6" value="" type="hidden">
<input name="property_free_price_type_6" value="" type="hidden">
<input name="property_free_price_amount_6" value="" type="hidden">
<span><div style="margin: 0px 2px 6px;">
<input name="option_price_9" value="139.99" type="hidden">
<input id="item_property_9" name="property_6_1" value="9" onclick="changeProperty(document.form_11); " type="checkbox">
AudioHub
<a style="display: inline;" href="./images/big/AudioHub.jpg" title="AudioHub" onclick="popupImage(this, 'http://localhost/c2s36/'); return false;">
<img src="http://localhost/c2s36/images/icons/view_page.gif" alt="View" width="16" border="0" height="16"></a> (+ $139.99)</div></span>
<input name="property_total_6" value="1" type="hidden"></div>
*/