var win = null;

function NewWindow(mypage,myname,w,h,scroll)
{
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll
	win = window.open(mypage,myname,settings)
	if (win.window.focus) {
		win.window.focus();
	}
}

function CheckTrainer()
{
	if (
		document.trainer_dati.cognome.value=="" || 
		document.trainer_dati.nome.value=="" ||
		document.trainer_dati.codice_fiscale.value=="" ||
		document.trainer_dati.cellulare.value=="" ||
		document.trainer_dati.email.value==""
		)
	{
		alert('I campi in grassetto sono obbligatori');
		return false;
	} else {
		if (document.trainer_dati.accetto.checked)
		{
			document.trainer_dati.submit();
		} else {
			alert('Impossibile procedere senza aver accettato i termini');
			return false;
		}
	}
}

function CheckLogin()
{
	if (document.login_dati.usr.value=="" || document.login_dati.pwd.value=="") {
		alert('Inserimento username e/o password non effettuato');
		return false;
	} else {
		document.login_dati.submit();
	}
}