void page1() {
  fill(0);
  text("NON-BLOCKING", 310, 20);

  String t = "This applet is based on Example 3.8, page 100, in the text. In this process, all the workers are given the Incentive Program 1 or 2 randomly.";
  drawStrings(t, 700, 50, 25);
  t = "Disadvantage: The effect of the incentive program is confounded with the type of worker.";
  drawStrings(t, 700, 200, 25);
  t = "Note, full time workers are indicated in red, and part time workers are indicated in green.";
  drawStrings(t, 700, 350, 25);

  int a;
  String[] worker = {
    "James", "Linda", "Micheal", "Margaret", "William", "Lisa", "John", "Nancy", "Robert", "Helen", "Thomas", "Sarah", "Mark", "Jessica", "Steven", "Angela", "Brian", "Amanda", "Anthony", "Janet"
  };
  int[] fp = {
    1, 1, 2, 2, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 1
  };

  if (p1) {
    fill(0);
    line(350, 50, 350, 350);
    text("INCENTIVE PROGRAM 1", 150, 50);
    text("INCENTIVE PROGRAM 2", 450, 50);

    for (int i=0; i<20; i++) {
      a = (Integer)alist.get(i);

      if (fp[a]==1) {
        fill(255, 0, 0);
      }
      else {
        fill(0, 255, 0);
      }

      if (i<10) {
        text(worker[a], 200, 100+25*i);
      } 
      else {
        text(worker[a], 500, 100+25*(i-10));
      }
    }
  }
  else {
    for (int i=0; i<20; i++) {
      if (fp[i]==1) {
        fill(255, 0, 0);
      }
      else {
        fill(0, 255, 0);
      }

      text(worker[i], 100*(i%5+1), 100*(i%4+1));
    }
  }

  leftarrow.setVisible(false);
  assign.setVisible(true);
  generate.setVisible(false);
  cb1.setVisible(false);
  cb2.setVisible(false);
  cb3.setVisible(false);
  cb4.setVisible(false); 
  cb5.setVisible(false);
  cb6.setVisible(false);
}