Adds permalink anchor to all headlines in an article

headlines-to-permalinks.js

/**
 * Add CSS: a.anchor { color: #ddd; text-decoration: none; }
 * Requires jQuery for :header selector
 */
$(function() {
    $(":header[id]").each(function() {
        var $this = $(this),
            link = $this.html() + ' <a class="anchor" href="'+window.location.pathname+'#' + this.id + '" title="Permalink">#</a>';
        $this.html(link);
    });
});