function validate(name, contact_details) {
  if (document.form1.name.value.length < 3) {
  alert("Please enter your Name ");
  return false;
  }

  if (document.form1.email.value.length < 8) {
  alert("Please enter a valid eMail address, so that we can get back to you.  ");
  return false;
  }
  
  if (document.form1.phone.value.length < 8) {
  alert("Please enter a valid phone number.  ");
  return false;
  }

  if (document.form1.location.value.length < 3) {
  alert("Please let us know your general location.  ");
  return false;
  }
  
  if (document.form1.type.value.length < 5) {
  alert("Please select one of the ENQUIRY options ");
  return false;
  }

  return true;
}