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
return convertEngineParameterSelectionChoice( selectionList );
	}
	private IGetParameterDefinitionTask getParameterDefinitionTask(
			IViewerReportDesignHandle design ) throws ReportServiceException
	{
		IGetParameterDefinitionTask task;
		if ( design.getContentType( ) == IViewerReportDesignHandle.RPT_RUNNABLE_OBJECT )
		{
			
			IReportRunnable runnable = (IReportRunnable) design
					.getDesignObject( );
			task = ReportEngineService.getInstance( )
					.createGetParameterDefinitionTask( runnable );
		}
		else
		{
			
			try
			{
				task = getParameterDefinitionTask( design.getFileName( ) );
			}
			catch ( EngineException e )
			{
				throw new ReportServiceException( e.getLocalizedMessage( ) );
			}
		}
		return task;
	}
	public long getPageNumberByBookmark( String docName, String bookmark,
			InputOptions options ) throws ReportServiceException