javascript:(function()%7Bvar%20xxxxx%20%3D%20prompt(%22Please%20enter%20a%20number%22%2C%20%222%22)%0Aif%20(xxxxx%20!%3D%20null)%20%7B%0Afunction%20scrollAutoPage()%20%7B%0Awindow.scrollByPages(1)%3B%0A%7D%0AclearInterval(scrollAutoPage)%0AsetInterval(scrollAutoPage%2C%20xxxxx%20*%201000)%0A%7D%7D)()%3B