Bug 154178 Support projectFolder in BIRT viewer
If the report supports projectFolder, the viewer also need to enhance for this feature.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
{
			ReportEngineService.getInstance( ).runReport( request, runnable,
					outputDocName, locale, parsedParams, displayTextMap );
		}
		catch ( RemoteException e )
		{
			e.printStackTrace( );
			throw new ReportServiceException( e.getLocalizedMessage( ) );
		}
		return outputDocName;
	}
	public IViewerReportDesignHandle getReportDesignHandle( String docName,
			InputOptions options )
	{
		IReportDocument doc = ReportEngineService.getInstance( )
				.openReportDocument( getReportDesignName( options ), docName );
		String fileName = doc.getReportRunnable( ).getReportName( );
		doc.close( );
		
		IViewerReportDesignHandle design = new BirtViewerReportDesignHandle(
				null, fileName );
		return design;
	}
	
	public ByteArrayOutputStream getPage( String docName, String pageID,
			InputOptions renderOptions, List activeIds )
			throws ReportServiceException
	{
		IReportDocument doc = ReportEngineService.getInstance( )
				.openReportDocument( getReportDesignName( renderOptions ),