calender applet

here is my code im getting errors in 23,37,49lines like cant find symbols constructor,methods e.tc is it the code for calender beside textfield in a java awt.... import java.applet.*; import java.awt.*; import java.awt.event.*; import java.util.*; /* */

/** An Applet to display a "Cal" calendar component */ public class Cal extends Applet implements ActionListener { int yy, mm, dd; Cal cal; Panel p; TextField yyText, mmText, ddText;

public void init() { setLayout(new BorderLayout());

  Calendar d = new GregorianCalendar();
  yy = d.get(Calendar.YEAR);
  mm = d.get(Calendar.MONTH);
  dd = d.get(Calendar.DAY_OF_MONTH);

  add(cal  = new Cal(yy, mm, dd), BorderLayout.NORTH);
  p = new Panel();
  p.setLayout(new FlowLayout());

  // The action for changing yy or mm draws a new calendar
  p.add(yyText = new TextField(""+yy));
  yyText.addActionListener(this);
  p.add(mmText = new TextField(""+(mm+1)));
  mmText.addActionListener(this);

  // The action for changing the day just highlights that day.
  p.add(ddText = new TextField(""+dd));
  ddText.addActionListener(new ActionListener() {
     public void actionPerformed(ActionEvent e) {
        cal.setDayActive(Integer.parseInt(ddText.getText()));
     }
  });
  add(p, BorderLayout.SOUTH);

}

public void actionPerformed(ActionEvent e) { System.out.println("Cal::ActionPerformed"); yy = Integer.parseInt(yyText.getText()); mm = Integer.parseInt(mmText.getText()); dd = Integer.parseInt(ddText.getText());

  cal.setDate(yy, mm-1, dd);

} }