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.phone.value == '' || contactForm.phone.value == null)
			  {
			    alert("Please enter phone number.");
				contactForm.phone.focus();
				return (false);
			  }
			  if (contactForm.comments.value == '' || contactForm.comments.value == null)
			  {
				alert("Please enter comments.");
				contactForm.question.focus();
				return (false);
			  }
}