平滑滚动导航的jQuery插件 - Page Scroller
Page Scroller is a powerful JavaScript based smooth scrolling navigation system that utilizes the robust jQuery library. Created entirely with ease of use in mind, the plugin will work on any website. You can choose the positions of the navigation menu, and you can also change the scrolling speed easily. This smooth scroll plugin requires jQuery v1.3+.
Requirements: jQuery Framework
Demo: http://pagescroller.com/
License: BSD License