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_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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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 MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

function verificaMail(mail){
	if (mail.indexOf("@") == -1 || mail.indexOf(".") == -1) {
		alert("Verificare E-mail");
		return false
	}else{
		return true
	}
}

function verificaPrivacy(obj) {
	if (obj==true) {
		return true
	}else{
		alert("Impossibile continuare.");
		return false
	}
}


function verificaObbligatori(which){
	var pass=true;
	if (document.images){
		for (i=0;i<which.length;i++){
		var tempobj=which.elements[i];
		if (tempobj.name.substring(0,2)=="r_"){
			if (((tempobj.type=="text"||tempobj.type=="textarea"||tempobj.type=="password")&&tempobj.value=='')||(tempobj.type.toString().charAt(0)=="s"&&tempobj.selectedIndex==-1)){
			pass=false
			break		}
			}
		}
	}
	if (!pass){
	alert(tempobj.id + " è un campo obbligatorio!!")
	return false
	}
}

<!-- Original:  Martin Webb (martin@irt.org) -->

<!-- Begin
function right(e) {
if (navigator.appName == 'Netscape' && 
(e.which == 3 || e.which == 2))
return false;
else if (navigator.appName == 'Microsoft Internet Explorer' && 
(event.button == 2 || event.button == 3)) {
alert("Spiacenti, il tasto destro del mouse e' disabilitato");
return false;
}
return true;
}

function formatCurrency(num, divisa) {
	if(isNaN(num)) num = "0";
	cents = Math.floor((num*100+0.5)%100);
	num = Math.floor((num*100+0.5)/100).toString();
	if(cents < 10) cents = "0" + cents;
	for (var i = 0; i < Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3))+'.'+num.substring(num.length-(4*i+3));
	return (divisa + num); // + '.' + cents);
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


//document.onmousedown=right;
//if (document.layers) window.captureEvents(Event.MOUSEDOWN);
//window.onmousedown=right;
//  End -->