function chFrm(frm) {
  var msgbox = "You forgot the following question (s)\n";
  var goon = msgbox;

  if (frm.Rank.selectedIndex==0) {
    msgbox += "\n Please select one";
  }
  
  // If no errors found, then go ahead to submit the form
  if (msgbox == goon) {
    return true;
  } else {
    alert(msgbox);
    return false;
  }
}