Why are these files not being loaded in the product page of Magento? (M1.9.3.8)

Question

Does anyone know why this is not being rendered (saved in the local.xml of my custom theme)?

The location of the local.xml is app/design/frontend/mobile/XX/layout/local.xml

and the content is

<catalog_product_view>
    <reference name="body">
        <action method="addJs"><script>varien/product.js</script></action>
        <action method="addJs"><script>varien/product_options.js</script></action>
    </reference>
</catalog_product_view>

The location of the js files is ./js/varien/

Thanks for your tips on that.

Answer 1

Solved. Changed <reference name="body"> to <reference name="head"> :)