topPanel.setLayout(new BorderLayout());
if (HermesBrowser.getBrowser().getConfig().isEmbeddedMessageInBrowsePane()) {
topPanel.add(headerScrollPane, "Center");
final HierarchicalTable hTable = new HierarchicalMessageHeaderTable(this, messageHeaderTableModel);
headerScrollPane.setViewportView(hTable);
hTable.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
// hTable.setExpandableColumn(-1);
hTable.setSingleExpansion(false);
} else {
//
// The window is split with the messages read at the top and the
// payload and stats at the bottom