function abilitaGest(rif, containerID){
	if(!rif) return false;
	var container = getElement(containerID);
	if(!container) return false;
	if(rif.checked){		
		var elements = container.childNodes;
		for(var elem in elements){
			if(elements[elem] !== rif) elements[elem].disabled = false;
		}
	} else {
		var elements = container.childNodes;
		for(var elem in elements){
			if(elements[elem] !== rif) elements[elem].disabled = true;
		}
	} 
}