function AsTimeGoesBy(disc) {
  if(isNaN(disc)) {
    disc = 0;
  }
  if(disc != 0) {
    document.write("<h2>The Other Episodes</h2>");
  }
  if(disc != 1) {
    document.write("As Time Goes By, Complete Series 1 & 2<br>");
  }
  if(disc != 2) {
    document.write("As Time Goes By, Complete Series 3<br>");
  }
  if(disc != 3) {
    document.write("<a href='as_time_goes_by_3.htm'>As Time Goes By, Complete Series 4</a><br>");
  }
}