Rendere visibile cella adiacente a quella attiva

[Xinod]

x es.

    function cambia(obj){
	var obj2=obj.parentNode.getElementsByTagName('TD')[2];
	if(obj.style.backgroundColor!="brown"){
		obj.style.backgroundColor="brown";
		obj2.style.visibility='hidden';
	}
	else {
		obj.style.backgroundColor="transparent";
		obj2.style.visibility='visible';
	}
    }

ciao