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';
}
}