if (getLayout() instanceof StructureLayoutItem) {
StructureLayoutItem l = (StructureLayoutItem) getLayout();
LayoutEnumeration e = l.getStructureLayoutArray().getEnumeration();
DefaultLayoutItem leftLayout = (DefaultLayoutItem) e.next();
DefaultLayoutItem rightLayout = (DefaultLayoutItem) e.next();
if (leftLayout != null) {
try {
DataViewer viewer;
StructureLayoutItem structureLayout = new StructureLayoutItem();