jCart是一个Ajax购物车，易于安装和定制。基于jQuery+PHP开发，能够很方便与现有系统相集成使用。支持服务器端输入校验。
Features
Simple integration with your site
XHTML compliance
Less than 4 kb of unobtrusive javascript
Full functionality without javascript
Server side input validation
Easy customization with your text and CSS
Fully commented code
