var activeRate = 0;
var tmp = null;

function activate(id) {
	if (id==activeRate) {
		tmp = document.getElementById('raten'+activeRate);
		tmp.style["display"]="none";
		activeRate = 0;
		return;
	}
	// alte ausblenden
	if (activeRate != 0) {
		tmp = document.getElementById('raten'+activeRate);
		tmp.style["display"]="none";
	}
	tmp = document.getElementById('raten'+id);
	tmp.style["display"]="block";
	activeRate = id;
}