http://www.flowers-for-you.com.my/weddingpackages/
On the bottom of this web page have a trail of pictures,when I move the mouse to one of these pictures,the picture move left slightly or right slightly,
How to implement this function?which object used?

通过事件侦测就可以实现呀，具体参看我回你的另外一篇贴子当中的源代码。