function veriform(theForm)
{

	if ((theForm.choix[0].checked == false) && (theForm.choix[1].checked == false))
	{
		alert("Thank you to choose \"Booking\" or \"Info\".");
		theForm.choix[0].focus();
		return (false);
	}
	
	if (theForm.Nom.value == "")
	{
		alert("thank you for entering the field for the value \"Name\".");
		theForm.Nom.focus();
		return (false);
	}
		
	if (theForm.Prenom.value == "")
	{
		alert("thank you for entering the field for the value \"First name\".");
		theForm.Prenom.focus();
		return (false);
	}
	{
		alert("thank you for entering the field for the value \"Telephone\".");
		theForm.Nom.focus();
		return (false);
	}
	
	if (theForm.Mail.value == "")
	{
		alert("thank you for entering the field for the value \"E-mail\".");
		theForm.Mail.focus();
		return (false);
	}
	
	if (theForm.Arrivee.value == "")
	{
		alert("thank you for entering the field for the value \"Arrival on\".");
		theForm.Arrivee.focus();
		return (false);
	}
	
	if (theForm.Depart.value == "")
	{
		alert("thank you for entering the field for the value \"Departure on\".");
		theForm.Depart.focus();
		return (false);
	}

	return (true);
}