filtro = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
function conferma_newsletter() {
	filtro = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
	if(document.form_newsletter.email.value=='' || filtro.test(document.form_newsletter.email.value)==false) {
		alert("Inserisci un indirizzo e-mail");
		document.form_newsletter.email.focus();
		return;
	}
	document.form_newsletter.submit();
}
function mostra(div){
	if(document.getElementById(div)!==null) {
		if(document.getElementById(div).style.display=="block") document.getElementById(div).style.display="none";
		 else document.getElementById(div).style.display="block";
	}
}
function controlla_areaclienti() {
	var form=document.getElementById("contact-form");
	if(form.email.value!="" && form.password.value!="" && form.email.value!="Username") form.submit();
}