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();
	}
}
MM_reloadPage(true);

function openwin(percorso){
win2=window.open(percorso,"crediti","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=800,height=600,top=0,left=0");
win2.focus();
}

function openwin2(percorso){
win3=window.open(percorso,"credits","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,width=270,height=230,top=20,left=20");
win3.focus();
}

function openwin3(percorso){
win4=window.open(percorso,"infocorso","toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=no,width=640,height=480,top=0,left=0");
win4.focus();
}