import java.awt.*;
import java.awt.event.*;

public class ComponentScrollerApplet extends java.applet.Applet { 
	public void init() {
		Image image = getImage( getDocumentBase(), getParameter("image") );
		ImageComponent canvas = new ImageComponent( image );
		setLayout(  new BorderLayout() );
		add( "Center", new ComponentScroller(canvas) );
	}
}

class ComponentScroller extends Container {
	Scrollbar horizontal, vertical;
	Panel scrollarea = new Panel();
	Component component;
	int orgX, orgY;

	ComponentScroller( Component comp ) {
		scrollarea.setLayout( null );  // We'll handle the layout
		scrollarea.add( component = comp );

		horizontal = new Scrollbar( Scrollbar.HORIZONTAL );
		horizontal.setMaximum( component.getSize().width );

		horizontal.addAdjustmentListener( new AdjustmentListener() {
			public void adjustmentValueChanged(AdjustmentEvent e) {
				component.setLocation( orgX = -e.getValue(), orgY ); 
			} 
		} );

		vertical = new Scrollbar( Scrollbar.VERTICAL );
		vertical.setMaximum( component.getSize().height);

		vertical.addAdjustmentListener( new AdjustmentListener() {
			public void adjustmentValueChanged(AdjustmentEvent e) {
				component.setLocation( orgX, orgY = -e.getValue() ); 
			} 
		} );

		setLayout( new BorderLayout() );
		add( "Center", scrollarea );
		add( "South", horizontal );
		add( "East", vertical );
	}

	public void doLayout() {
		super.doLayout();
		horizontal.setVisibleAmount( scrollarea.getSize().width );
		vertical.setVisibleAmount( scrollarea.getSize().height );
	}
}