import java.awt.*;
import java.awt.event.*;
class AmScrollbar extends Scrollbar{
      AmScrollbar(int direction){
	super(direction);
	if (direction == Scrollbar.VERTICAL) 
	   addAdjustmentListener(new VScrollbarListener());
	else
	   addAdjustmentListener(new HScrollbarListener());
      }
}//AmScrollbar

class VScrollbarListener implements AdjustmentListener{
  
  public void adjustmentValueChanged(AdjustmentEvent event){
     System.out.println("Adjustment value="+ (event.getValue()));
     Am.starty = 
	-(int)(((float)Am.s.view.height/100)*(event.getValue()));
     Am.s.view.plan(Am.s, Am.startx, Am.starty);
     Am.canvas.repaint();	
  }
}

class HScrollbarListener implements AdjustmentListener{
  
  public void adjustmentValueChanged(AdjustmentEvent event){
     Am.startx = 
	-(event.getValue());
     Am.s.view.plan(Am.s, Am.startx, Am.starty);
     Am.canvas.repaint();
  }
}