import java.awt.event.MouseEvent;
import java.util.Vector;
+import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JInternalFrame;
protected JTextField thresholdValue = new JTextField(20);
protected JInternalFrame frame;
+
+ protected JButton ok = new JButton();
+
+ protected JButton cancel = new JButton();
+
/**
* enabled if the user is dragging the slider - try to keep updates to a
* minimun