IViewerReportService instance = new BirtViewerReportService( pageContext.getServletConfig( ) ); BirtReportServiceFactory.init( instance );
	protected void __beforeEndTag( )	{		// initialize ViewerReportService instance		IViewerReportService instance = new BirtViewerReportService(				pageContext.getServletConfig( ) );		BirtReportServiceFactory.init( instance );	}