function validate_form(frm) {
  var value = '';
  _qfMsg = '';


  value = frm.elements['Position'].selectedIndex == -1? '': frm.elements['Position'].options[frm.elements['Position'].selectedIndex].value;
  value2 = frm.elements['Category'].selectedIndex == -1? '': frm.elements['Category'].options[frm.elements['Category'].selectedIndex].value;
  value3 = frm.elements['Location'].selectedIndex == -1? '': frm.elements['Location'].options[frm.elements['Location'].selectedIndex].value;
  	
  if ((value == 999999 || value == 13) &&  (value2 == 999999 || value2 == 15) && (value3 == 999999 || value3 == 23)) {
    _qfMsg = _qfMsg + '\n - Please choose a position, category, and/or location.';
  }

  if (_qfMsg != '') {
    _qfMsg = 'Invalid information entered.' + _qfMsg;
    _qfMsg = _qfMsg + '\nPlease correct these fields.';
    alert(_qfMsg);
    return false;
  }
  frm.submit();
  return true;
}