function changeSpoiler(obj, show, hide)
{
	d = obj.parentNode.parentNode.getElementsByTagName('div')[0];
	if (d.style.display == 'none')
	{
		d.style.display = 'block';
		obj.innerHTML = hide;
	}
	else
	{
		d.style.display = 'none';
		obj.innerHTML = show;
	}
}