ajax技术实现动态多层次分类显示。可以和数据库连接实现多级分类-ajax technology for dynamic multi-level category display. Database connection can be multi-level classification

ajax带缓冲显示竖型图片，多方位显示图片。很适合做网站开发。-ajax display with a vertical-type buffer pictures, multi-dimensional display image. Very suitable for Web development.