function submitIt_mailing(theform) 
{
	if (AllTrim(theform.value) == "") {       
		alert("Inserisci l'email...")            
		theform.value= ""
		theform.focus()
		return false	
	}
	else 
	{
		EmailAddr = theform.value;
		Filtro = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
		if (!Filtro.test(EmailAddr))
			{
			alert("Indirizzo email non valido...");
			theform.focus()
			return false;
			}
	}
}