function toggle(targetId)
{
	target = document.getElementById( targetId );
	raquo = document.getElementById('r_'+targetId);
	
	
	if (target.style.display=="none")
	{
		target.style.display =	"";
		raquo.innerHTML = "««";
	}
	else
	{
		target.style.display =	"none";
		raquo.innerHTML = "»»";
	}
	return true;
}