function controllo_form(theForm)
{
  if (theForm.realname.value== "")
  {
    alert("InsÃ©rez votre Prenom!!");
    theForm.realname.focus();
    return (false);
  }
  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzƒŠŒŽšœžŸÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ \t\r\n\f";
  var checkStr = theForm.realname.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("InsÃ©rez seulement lettres dans champ \"Nom\".");
    theForm.realname.select();
    return (false);
  }
  if (theForm.cognome.value== "")
  {
    alert("InsÃ©rez votre nom!!");
    theForm.cognome.focus();
    return (false);
  }
  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzƒŠŒŽšœžŸÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ- \t\r\n\f";
  var checkStr = theForm.cognome.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("InsÃ©rez seulement lettres dans champ \"Nom\".");
    theForm.cognome.focus();
    return (false);
  }
  if (theForm.giorno_arrivo.selectedIndex == 0)
  {
    alert("Choisissez un jour d'arrivÃ©e!!");
    theForm.giorno_arrivo.focus();
    return (false);
  }
  if (theForm.mese_arrivo.selectedIndex == 0)
  {
    alert("Choisissez un mois d'arrivÃ©e!!");
    theForm.mese_arrivo.focus();
    return (false);
  }
  if (theForm.giorno_partenza.selectedIndex == 0)
  {
    alert("Choisissez un jour de dÃ©part!!");
    theForm.giorno_partenza.focus();
    return (false);
  }
  if (theForm.mese_partenza.selectedIndex == 0)
  {
    alert("Choisissez un mois de dÃ©part!!");
    theForm.mese_partenza.focus();
    return (false);
  }
  if (theForm.N_persone.value== "")
  {
    alert("InsÃ©rez le nombre de personnes!!");
    theForm.N_persone.focus();
    return (false);
  }
  var checkOK = "0123456789";
  var checkStr = theForm.N_persone.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("InsÃ©rez seulement caractÃ¨res numÃ©riques dans champ \"NÂ° personnes\".");
    theForm.N_persone.focus();
    return (false);
  }
  if (theForm.N_persone.value.length > 2)
  {
    alert("InsÃ©rez un nombre infÃ©rieur dans champ \"NÂ° personnes\"!");
    theForm.N_persone.select();
    return (false);
  }
  if (theForm.email.value== "")
  {
    alert("InsÃ©rez Votre E-mail!!");
    theForm.email.focus();
    return (false);
  }
  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzƒŠŒŽšœžŸÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ0123456789@.- \t\r\n\f";
  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("InsÃ©rez seulement lettres et caractÃ¨res numÃ©riques dans champ \"E-mail:\".");
    theForm.email.focus();
    return (false);
  }
  if (theForm.telefono.value== "")
  {
    alert("InsÃ©rez Votre nombre de telephon!!");
    theForm.telefono.focus();
    return (false);
  }
  var checkOK = "0123456789./";
  var checkStr = theForm.telefono.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("InsÃ©rez seulement caractÃ¨res numÃ©riques dans champ \"telephon:\".");
    theForm.telefono.focus();
    return (false);
  }
  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzƒŠŒŽšœžŸÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ- \t\r\n\f";
  var checkStr = theForm.citta.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("InsÃ©rez seulement lettres dans champ \"Ville\".");
    theForm.citta.focus();
    return (false);
  }
  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ";
  var checkStr = theForm.stato.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("InsÃ©rez seulement lettres dans champ \"Ã‰tat:\".");
    theForm.stato.focus();
    return (false);
  }
  var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
  var checkStr = theForm.provincia.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("InsÃ©rez seulement lettres dans champ \"Province\".");
    theForm.provincia.focus();
    return (false);
  }
    if (theForm.provincia.value.length == 1)
  {
    alert("InsÃ©rez 2 caractÃ¨res dans champ \"Province\".");
    theForm.provincia.focus();
    return (false);
  }
  var checkOK = "0123456789./";
  var checkStr = theForm.fax.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("InsÃ©rez seulement caractÃ¨res numÃ©riques dans champ \"Fax:\".");
    theForm.fax.focus();
    return (false);
  }
  var checkOK = "0123456789./";
  var checkStr = theForm.cell.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("InsÃ©rez seulement caractÃ¨res numÃ©riques dans champ \"Mobil\".");
    theForm.cell.focus();
    return (false);
  }
}