new Node("Astronomy", "astro"));
temp2.insert(new DefaultMutableTreeNode(new Node("Education", "edu")), 0);
temp2.insert(new DefaultMutableTreeNode(new Node("Pictures", "pic")), 0);
temp.insert(temp2, 2);
tree.insert(temp, 2);
treeState = new TreeState();
treeState.addExpandState(tree);
treeState.addSelection(temp2);
treeState.setMarker(music);
String[] values = {"none", "single", "singleLeafOnly", "multi", "multiLeafOnly"};
selectionItems = getSelectItems(values, "demo");