
<!--
function User_Validator(theForm)
{


  if (theForm.Email.value == "")
  {
    alert("Inserire un valore per il campo \"Email\".");
    theForm.Email.focus();
    return (false);
  }

  if (theForm.Email.value.length < 5)
  {
    alert("Inserire almeno 5 caratteri nel campo \"Email\".");
    theForm.Email.focus();
    return (false);
  }


/******************************************************************************

  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzƒŠŒŽšœžŸÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ0123456789-@-._";
  var checkStr = theForm.Email.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert("Inserire solo lettera, cifra e \"@-._\" caratteri nel campo \"Email\".");
    theForm.Email.focus();
    return (false);
  }

******************************************************************************/


   {
   EmailAddr = theForm.Email.value;
   Filtro = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-]{2,})+\.)+([a-zA-Z0-9]{2,})+$/;
   if (Filtro.test(EmailAddr))
      return true;
   else
      {
      alert("Controlla l'indirizzo di Email inserito");
      theForm.Email.focus();
      return false;
      }
   }

  return (true);
}


//-->