If you are wondering what "C-grade" support means... http://developer.yahoo.com/yui/articles/gbs/#define-support http://developer.yahoo.com/yui/articles/gbs/#d

If you are wondering what "C-grade" support means... http://developer.yahoo.com/yui/articles/gbs/#define-support http://developer.yahoo.com/yui/articles/gbs/#define-support "Summary: C-grade browsers are identified, incapable, antiquated and rare. QA tests a sampling of C-grade browsers, and bugs are addressed with high priority." The end is near!