Reference

jQuery

• http://jquery.com

class.js

• https://github.com/FinalAngel/classjs

Shivs

• https://github.com/aFarkas/html5shiv
• https://github.com/scottjehl/Respond
• https://code.google.com/p/swfobject/
• http://patik.com/blog/complete-cross-browser-console-log/