function validator(form) { 

  if (form.name.value == "") {
    alert("Please provide us with your Name.");
    form.name.focus();
    return false;
  }
  if (form.email.value == "") {
    alert("Please provide us with your email address.");
    form.email.focus();
    return false;
  }
  if (form.zip_origin.value == "") {
    alert("Please let us know the Origin Zip Code.");
    form.zip_origin.focus();
    return false;
  }
  if (form.zip_destination.value == "") {
    alert("Please let us know the Destination Zip Code.");
    form.zip_destination.focus();
    return false;
  }
  if (form.pieces.value == "") {
    alert("Please let us know the Number of Pieces.");
    form.pieces.focus();
    return false;
  }
  if (form.weight.value == "") {
    alert("Please let us know the Weight in Pounds.");
    form.weight.focus();
    return false;
  }
  if (form.date.value == "") {
    alert("Please choose a Ready Date.");
    form.date.focus();
    return false;
  }
  if (form.time.value == "") {
    alert("Please let us know what Time the package will be ready.");
    form.time.focus();
    return false;
  }  
  if (form.spam.value != "r7ZmT8") {
    alert("The Spam letters/digits you have provided are incorrect.  Please try again.");
    return false;
  }   

return true; 
}