docs: public void addAppenderEvent(final Category cat, final Appender appender) {
  
  		updateDefaultLayout(appender);
  
  		if (appender instanceof FoundationFileRollingAppender) {
  			final FoundationFileRollingAppender timeSizeRollingAppender = (FoundationFileRollingAppender) appender;
  
  			// update the appender with default vales such as logging pattern, file size etc.
  			//updateDefaultTimeAndSizeRollingAppender(timeSizeRollingAppender);
  
  			// read teh proeprties and determine if archiving should be enabled.
  			updateArchivingSupport(timeSizeRollingAppender);
  
  			// by default add the rolling file listener to enable application
  			// state.
  			timeSizeRollingAppender.setFileRollEventListener(FoundationRollEventListener.class.getName());
  
  			boolean rollOnStartup = true;
  
  			if (FoundationLogger.log4jConfigProps != null && FoundationLogger.log4jConfigProps.containsKey(FoundationLoggerConstants.Foundation_ROLL_ON_STARTUP.toString())) {
  				rollOnStartup = Boolean.valueOf(FoundationLogger.log4jConfigProps.getProperty(FoundationLoggerConstants.Foundation_ROLL_ON_STARTUP.toString()));
  			}
  
  			timeSizeRollingAppender.setRollOnStartup(rollOnStartup);
  
  			// refresh the appender
  			timeSizeRollingAppender.activateOptions();
  
  			
  		//	timeSizeRollingAppender.setOriginalLayout(); //So application state will not make any problems
  
  		}else if(!(appender instanceof FoundationFileRollingAppender) && (appender instanceof TimeAndSizeRollingAppender)){ //TimeAndSizeRollingAppender
  			final TimeAndSizeRollingAppender timeSizeRollingAppender = (TimeAndSizeRollingAppender) appender;
  
  			// update the appender with default vales such as logging pattern, file size etc.
  			updateDefaultTimeAndSizeRollingAppender(timeSizeRollingAppender);
  
  			// read teh proeprties and determine if archiving should be enabled.
  			updateArchivingSupport(timeSizeRollingAppender);
  
  			// by default add the rolling file listener to enable application
  			// state.
  			timeSizeRollingAppender.setFileRollEventListener(FoundationRollEventListener.class.getName());
  
  			boolean rollOnStartup = true;
  
  			if (FoundationLogger.log4jConfigProps != null && FoundationLogger.log4jConfigProps.containsKey(FoundationLoggerConstants.Foundation_ROLL_ON_STARTUP.toString())) {
  				rollOnStartup = Boolean.valueOf(FoundationLogger.log4jConfigProps.getProperty(FoundationLoggerConstants.Foundation_ROLL_ON_STARTUP.toString()));
  			}
  
  			timeSizeRollingAppender.setRollOnStartup(rollOnStartup);
  
  			// refresh the appender
  			timeSizeRollingAppender.activateOptions();
  
  			
  		//	timeSizeRollingAppender.setOriginalLayout();
  		}
  		if ( ! (appender instanceof org.apache.log4j.AsyncAppender))
              initiateAsyncSupport(appender);
  
  	}