function addBackToTopLinks() {
    var href = document.location.href;

    if(href.indexOf('#') > 0) {
        href = href.substring(0, href.indexOf('#'));
    }

    jQuery('.back-to-top-section').after('<div class="back-to-top-link"><a href="'+href+'#page-top">Back to top</a></div>');
}

jQuery(document).ready(function() {
    addBackToTopLinks();
});