Encontre esto:
<div class="pre-spoiler">
<span style="float: left; padding-top: 2px;"></span><input id="xs" value="Ver más" style="margin-left: 50px; padding: 0px; width: 80px; font-size: 14px; font-family: trebuchet ms;" onclick="if(this.parentNode.getElementsByTagName(' div')[0].style.display != ''){this.parentNode.getElementsByTagName('div')[0].style.display = '';this.value = 'Ocultar';}else{this.parentNode.getElementsByTagNa me('div')[0].style.display = 'none'; this.value = 'Ver más';}" type="button" /><div class="spoiler" style="display: none;">
COLOCAMOS AQUI LA PARTE A OCULTAR </div>
</div>
Pero no es automático