id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
3224	CKEditor 3.0 : Ok/Cancel buttons are not working in Dialogs	Senthil		"When the JAWS is on, tab through the dialog(ex: Link or Image), once the focus moved to the ok/cancel press enter. This action should close or display some message but nothing happends. 

This is reproducible in the sample html file provided by you.
Sample File Used: replacebyclass.html"	Bug	closed	Normal		General		expired	Oracle Pending	Senthil