<!--
function ControllaCampi(sForm) {
	string="name, email and comment are required fields";
	if (sForm.nome.value == "" || sForm.email.value == "" || sForm.commento.value == "") {	 
			alert(string);
			return false;
	}
	else return true;
}
function apriPop(foto) {
	msg=open("","DisplayWindows"," toolbar=no,directories=no,menubar=no,resizable=no");
	d=msg.document;
	d.write("<head><SCRIP"+"T>")
	d.write("function ridimensiona(){")
	d.write("window.resizeTo(")
	d.write("document.im1.width+16,")
	d.write("document.im1.height+35);")
	//d.write("};document.title=document.im1.src;</SCRIP"+"T></head>")
	d.write("};document.title='ImageView';</SCRIP"+"T></head>")
	d.write("<body topmargin=0 leftmargin=0 scroll=no>")
	d.write("<img src='"+foto+"' name='im1' onLoad='ridimensiona()'>")
	d.write("</body>")
	d.close()
	msg.focus()
} 

imgsrc = new Array();
imgsrc[0] = "../images/logoz_off.gif";
imgsrc[1] = "../images/logoz_on.gif";

img = new Array();
for (i = 0; i < imgsrc.length; i++) {
	img[i] = new Image();
    img[i].src = imgsrc[i];
}

function swtch(num, imgname) {
        if (document.images) 
                document[imgname].src = img[num].src;
        
}
// -->