public void speedUpScrollers(int speed) {
  AppletContext ctx=getAppletContext();
  Enumeration applets=ctx.getApplets();
  Object anApplet;
  AWCBanner banner;
   while (applets.hasMoreElements()) {
     anApplet=applets.nextElement();
     if (anApplet instanceof AWCBanner) {
       banner=(AWCBanner)anApplet;
       banner.setScrollSpeed(speed);
     }
   }
}