function wpSpoilerToggle(spoiler, link, showtext, hidetext) {
                if (spoiler.style.display != 'none') {
                    spoiler.style.display = 'none';
                    link.innerHTML = showtext;
                    link.className = 'spoiler_link_show';
                } else {
                    spoiler.style.display = 'block';
                    link.innerHTML = hidetext;
                    link.className = 'spoiler_link_hide';
                }
            }