function validator(form) { 

  if (form.name.value == "") {
    alert("Please provide us with the Donor Name.");
    form.name.focus();
    return false;
  }
  if (form.email.value == "") {
    alert("Please provide us with the Donor Email Address.");
    form.email.focus();
    return false;
  }  
  if (form.address.value == "") {
    alert("Please provide us with the Donor Mailing Address.");
    form.address.focus();
    return false;
  }
  if (form.city.value == "") {
    alert("Please provide us with the Donor City.");
    form.city.focus();
    return false;
  }
  if (form.state.value == "") {
    alert("Please provide us with the Donor State.");
    form.state.focus();
    return false;
  }
  if (form.zip.value == "") {
    alert("Please provide us with the Donor Zip.");
    form.zip.focus();
    return false;
  }             
}