code: public static WebTask sleepFor(int seconds) {
  		return new BaseWebTask() {
  
  			@Override
  			public WebPage run(WebPage initialPage) {
  				try {
  					Thread.sleep(seconds * 1000);
  				} catch (InterruptedException e) {
  					logger.warn("sleep interrupted");
  				}
  				return initialPage;
  			}
  		};
  	}
docs: Task that sleeps for the given number of seconds,
  and finally returns the very initial page.