context: function GetCompositeDataSource(command){	if (command == "GetNewMessages" || command == "NewFolder" || command == "MarkAllMessagesRead")	{        return GetFolderDatasource();	}	return null;}
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/c2ebcb24dbdfbe29746cefcdeb69a92c33535f29/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js