<!-- Begin
      function terremoto(x) {
        brie4 = (navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4);
        if (brie4) {
          for (i = 6; i > 0; i--) {
            for (j = x; j > 0; j--) {
              self.moveBy(0,i);
              self.moveBy(i,0);
              self.moveBy(0,-i);
              self.moveBy(-i,0);
            }
          }
        }
      }
 terremoto(4);
//--End>