"save.gif not found for weka.gui.graphvisualizer.Graph");
m_jBtSave.setToolTipText("Save Graph");
m_jBtSave.addActionListener( new ActionListener() {
public void actionPerformed(ActionEvent ae) {
JFileChooser fc = new JFileChooser(System.getProperty("user.dir"));
ExtensionFileFilter ef1 = new ExtensionFileFilter(".dot", "DOT files");
ExtensionFileFilter ef2 = new ExtensionFileFilter(".xml",
"XML BIF files");
fc.addChoosableFileFilter(ef1);
fc.addChoosableFileFilter(ef2);
fc.setDialogTitle("Save Graph As");
int rval = fc.showSaveDialog(GraphVisualizer.this);