auxiliary.getAvailableListModel();
SortableListModel<String> selectedListModel =
auxiliary.getSelectedListModel();
DefaultComboBoxModel structuralModel =
(DefaultComboBoxModel)structural.getModel();
structuralModel.removeAllElements();
availableListModel.clear();
selectedListModel.clear();
for (String oc : structuralOcs)
{
structuralModel.addElement(oc);