function MM_findObj(n, d) { //v4.01
	  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
	  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
	  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
	  if(!x && d.getElementById) x=d.getElementById(n); return x;
	}
	
	function obbligatori(){
		if(MM_findObj('tipologia')[0].checked){
				MM_findObj('n1').style.color='#000000';
				MM_findObj('n2').style.color='#000000';
				MM_findObj('n3').style.color='#ffffff';
				MM_findObj('n4').style.color='#ffffff';
				MM_findObj('n5').style.color='#000000';
				MM_findObj('n6').style.color='#000000';
		}
		if(MM_findObj('tipologia')[1].checked){
				MM_findObj('n1').style.color='#ffffff';
				MM_findObj('n2').style.color='#ffffff';
				MM_findObj('n3').style.color='#000000';
				MM_findObj('n4').style.color='#000000';
				MM_findObj('n5').style.color='#ffffff';
				MM_findObj('n6').style.color='#000000';
		}
	}