<!--
function trovaOggetti(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=trovaOggetti(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function visLivelli() { //v6.0
  var i,p,v,obj,args=visLivelli.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=trovaOggetti(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function validate() { //v6.0
 	if ( document.getElementById('ck1').checked && document.getElementById('ck2').checked)
 	{
 		document.getElementById('cat').value='Alberghi_Ristoranti';
 	}
 	else if ( document.getElementById('ck1').checked)
 	{
 		document.getElementById('cat').value='Alberghi';
 	}
 	else if ( document.getElementById('ck2').checked)
 	{
 		document.getElementById('cat').value='Ristoranti';
 	}
	else
 	{
 		document.getElementById('cat').value='';
 	}
}
//-->