function Validator(contactForm)
{

			  if (contactForm.full_name.value == '' || contactForm.full_name.value == null)
			  {
				alert("Please enter your Full Name.");
				contactForm.full_name.focus();
				return (false);
			  }
			  if (contactForm.email.value == '' || contactForm.email.value == null)
			  {
				alert("The email address must be filled in correctly to send the form. Please"
				+" check the prefix and '@' sign and try again.");
				contactForm.email.focus();
				return (false);
			  }				    
			  if (contactForm.month.value == '' || contactForm.month.value == null)
			  {
				alert("Please enter your birth month.");
				contactForm.month.focus();
				return (false);
			  }
			  if (contactForm.day.value == '' || contactForm.day.value == null)
			  {
				alert("Please enter your birth day.");
				contactForm.day.focus();
				return (false);
			  }
			  if (contactForm.year.value == '' || contactForm.year.value == null)
			  {
				alert("Please enter your birth year.");
				contactForm.year.focus();
				return (false);
			  }

}