_layoutChooserPanel.setSelected(LAYOUT_SimAnneal); setLayout(LAYOUT_SimAnneal, true);
_layoutChooserPanel.setSelected(LAYOUT_RadTree); setLayout(LAYOUT_RadTree, true);
			public void actionPerformed(ActionEvent e) {			    _layoutChooserPanel.setSelected(LAYOUT_SimAnneal);			    setLayout(LAYOUT_SimAnneal, true);			}