ExplorerCanvas 一个让IE支持HTML5的开源的javascript库，

如果在你的网站上应用了 Canvas 的话，这个插件将是一个非常好的选择。 

项目地址：

     http://code.google.com/p/explorercanvas/

Ref:

Modern browsers like Firefox, Safari, Chrome and Opera support the HTML5 canvas tag to allow 2D command-based drawing. ExplorerCanvas brings the same functionality to Internet Explorer. To use, web developers only need to include a single script tag in their existing web pages.