function getForm() {
  var zip       = document.getElementById("address1_zip").value;
  var params  = "toolbar=yes,menubar=yes,location=yes,scrollbars=yes,resizable=yes,status=yes,";
  params     += "width=" + screen.width;
  params     += ",height=" + screen.height;
  params     += ",fullscreen=yes"
  var pops    = "form.php" + "?address1_zip=" + zip;
  window.open(pops, "", params);
}

function qbClick(){
  if (!/^\d{5}$/.test(document.getElementById("address1_zip").value)){
    alert("Please enter a valid zip code.");
    return false;
  }
  return true;
}