// form validation

function checkFields(formObj, checkfields) {
  var missinginfo = "";
  var i = 0;
  for (i = 0; i < checkfields.length; i = i + 2) {
    var fieldname = checkfields[i];
    var msg_text = checkfields[i+1];
    if (formObj.elements[fieldname].value == "") {
      missinginfo += "\n  " + msg_text;
    }
  }
  if (missinginfo != "") {
  missinginfo ="_____________________________\n" +
  "The following fields are required:\n" +
  missinginfo + "\n_____________________________" +
  "\nPlease re-enter and submit again!";
  alert(missinginfo);
  return false;
  }
  else return true;
}