// AIIRe: Menu di navigazione

function openMN() {
	document.getElementById("close-mn").style.display = "";
	document.getElementById("mn").style.display = "";
	document.getElementById("open-mn").style.display = "none";
}

function closeMN() {
	document.getElementById("close-mn").style.display = "none";
	document.getElementById("mn").style.display = "none";
	document.getElementById("open-mn").style.display = "";
}

function validamail(form) {
   Filtro = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
   if (Filtro.test(form.newsletter.value))
      return true;
   else
      {
      alert("L'indirizzo email inserito non e' valido!");
      document.nlform.newsletter.focus();
      return false;
      }
	return false;	
}