final IntVector transportIdsVector = new IntVector();
if (_order1.getSelectedIndex() != 0) {
transportIdsVector.addElement(_order1.getSelectedIndex());
}
if (_order2.getSelectedIndex() != 0) {
transportIdsVector.addElement(_order2.getSelectedIndex());
}
if (_order3.getSelectedIndex() != 0) {
transportIdsVector.addElement(_order3.getSelectedIndex());
}
if (_order4.getSelectedIndex() != 0) {