function validateSubmit() {

  var d=document.submitform;
  d.submit.disabled = true;
  var errorTable="";
  var firstError="";
  var fieldError=false;
  var errorColor="#ff0000";
  var normalColor="#000000";

  fieldError=false;
  if (d.fEmail.value != "") {
    if (!validEmail(d.fEmail.value)) {
      errorTable+="'Your E-Mail Address' appears to be invalid\n";
      fieldError=true;
    }
  }
  if (fieldError) {
    if (!firstError) firstError=d.fEmail;
    setColors('fidEmail', errorColor);
  } else {
    setColors('fidEmail', normalColor);
  }

  if (d.fRegarding.value == "") {
    errorTable+="'Regarding' must be selected\n";
    if (!firstError) firstError=d.fRegarding;
    setColors('fidRegarding', errorColor);
  } else { setColors('fidRegarding', normalColor); }

  if (d.fComments.value == "") {
    errorTable+="'Comments' must be entered\n";
    if (!firstError) firstError=d.fComments;
    setColors('fidComments', errorColor);
  } else { setColors('fidComments', normalColor); }

  if (errorTable) {
    alert (errorTable);
    firstError.focus();
    d.submit.disabled = false;
    return false;
  } else { return true; }

}