function checkEmail(email){
    if (!email.value.match(/^\s*\w[\w\.\-]*\@(\w[\w\-]*\.)+[a-zA-Z]{2,}\s*$/)){
       alert ("Inserisci il tuo indirizzo email");
       email.focus();
	   email.select();
       return null;
    } else
	   email.value = email.value.replace(/^\s*/,"");
	   email.value = email.value.replace(/\s*$/,"");
	   return email.value;
}
function mySubmit(email,nl){
   if (!email) return;
   url = "http://www.omnia.net/service/subscribe.php?"+nl+"="+email+",400,200";
   popWinOpen(url);

}