这个动画模拟做出一种电影的菲林漏光的效果，不要以为这个动画黑乎乎什么都没有，要细心地看；-make a film of film leaky effect, do not think that the animation darkish have nothing to look carefully;

flash加载外部图片，模拟翻书动画效果。-flash loading external images, simulated open book animation.