function spoiler_js(obj) {
	var obj_content = obj.parentNode.parentNode.getElementsByTagName('div')[2];
	var obj_text_show = obj.getElementsByTagName('span')[2];
	var obj_text_hide = obj.getElementsByTagName('span')[1];

	if (obj_content.style.display != '') {
		obj_content.style.display = '';
		obj_text_show.style.display = '';
		obj_text_hide.style.display = 'none';
	} else {
		obj_content.style.display = 'none';
		obj_text_show.style.display = 'none';
		obj_text_hide.style.display = '';
	}
	return false;
}