Bug 146709 Dates still do not work from main report to sub reports...
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
IViewerReportDesignHandle design = null;
		IReportRunnable reportRunnable = null;
		IReportDocument reportDocumentInstance = ReportEngineService
				.getInstance( ).openReportDocument( this.reportDesignName,
						this.reportDocumentName );
		if ( reportDocumentInstance != null )
		{
			reportRunnable = reportDocumentInstance.getReportRunnable( );
			
			
			
			
			
			if ( IBirtConstants.SERVLET_PATH_FRAMESET.equalsIgnoreCase( request
					.getServletPath( ) ) )
			{
				this.parameterMap = reportDocumentInstance.getParameterValues( );
			}
			if ( ParameterAccessor.getParameter( request,
					ParameterAccessor.PARAM_REPORT_DOCUMENT ) != null )
				this.documentInUrl = true;
			reportDocumentInstance.close( );
		}
		
		if ( reportRunnable == null )
		{
			try
			{
				
				File file = new File( this.reportDesignName );