function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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 MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function checkInput(theForm) {
	var email_reg_exp = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;

	if ((theForm.nome.value==0) && (theForm.nome.value.length<=0)) {
		alert("Inserire il nome !");
		theForm.nome.focus();
		return false
	}

	if ((theForm.cognome.value==0) && (theForm.cognome.value.length<=0)) {
		alert("Inserire il cognome !");
		theForm.cognome.focus();
		return false
	}
	
	if ((theForm.email.value==0) && (theForm.email.value.length<=0)) {
		alert("Inserire un indirizzo e-mail !");
		theForm.email.focus();
		return false
		}

	else if (!email_reg_exp.test(theForm.email.value)){
		alert("E-mail non valida!");
		return false
		}

	if ((theForm.richiesta.value==0) && (theForm.richiesta.value.length<=0)) {
		alert("Inserire un testo per il messaggio !");
		theForm.richiesta.focus();
		return false
	}
	
	if (!theForm.privacy.checked) {
		alert("Autorizzare il trattamento dei dati personali !");
		return false
		}
}

statusArray = new Array(4);

statusArray[0] = new Array('cat1',0);

statusArray[1] = new Array('cat2',0);

statusArray[2] = new Array('cat3',0);

statusArray[3] = new Array('cat4',0);


function nascondid(stats) { 
	var show = "inline";
	var hide = "";
	
	if (statusArray[stats-1][1] == 0){
		stat = show;
		statusArray[stats-1][1] = 1;
		for (i=0;i<=3;i++){
			if (i!= stats-1) {
				statusArray[i][1] = 0;
				document.getElementById(statusArray[i][0]).style.display = hide;
			}
		}
	}
	else {
		stat = hide;
		statusArray[stats-1][1] = 0;
	}

	document.getElementById(statusArray[stats-1][0]).style.display = stat; 
}