function setActive (obj)
{
	if (btSelected != null)
		btSelected.removeClassName('activo');
	
	btSelected = obj;
	btSelected.addClassName('activo');
}

function hideAll ()
{
	$('promocion').hide();
	$('video').hide();
	$('fotos').hide();
	$('descargas').hide();
	$('maps').hide();
}

function doClick (event)
{
	var element = Event.element(event);
	var parent = element.up();
	
	switch (parent.id)
	{
		case "btFicha" :
			hideAll();
			setActive(parent);
			$('maps').show();
			break;
		case "btPromocion" :
			hideAll();
			setActive(parent);
			$('promocion').show();
			break;
		case "btFotos" :
			hideAll();
			setActive(parent);
			$('fotos').show();
			break;
		case "btVideo" :
			hideAll();
			setActive(parent);
			$('video').show();
			break;
		case "btDescargas" :
			hideAll();
			setActive(parent);
			$('descargas').show();
			break;
	}
}

function initSingle ()
{
	Event.observe(document.body, 'click', doClick);
	setActive($('btFicha'));
}

var btSelected;

Event.observe(window, "load", initSingle);