Bug 147995 Master page lost when drill through to a report document
Description: Master page lost when drill through to a report document Steps to reproduce: 1. New a report rpt1 with master page 2. Generate the report document for rpt1 3. New another report rpt2, drill through to the report document 4. Preview rpt2, link to the report document, master page is missing
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/BirtViewerReportService.java
long count = doc.getPageCount( );
		doc.close( );
		return count;
	}
	public Collection getParameterDefinitions(
			IViewerReportDesignHandle design, InputOptions runOptions,
			boolean includeGroups ) throws ReportServiceException
	{
		IGetParameterDefinitionTask task = getParameterDefinitionTask( design );
		return convertEngineParameters( task.getParameterDefns( true ), task,
				includeGroups );
	}
	public Map getParameterValues( String docName, InputOptions options )
			throws ReportServiceException
	{
		IReportDocument doc = ReportEngineService.getInstance( )
				.openReportDocument( getReportDesignName( options ), docName );
		Map paramValues = doc.getParameterValues( );
		doc.close( );
		return paramValues;
	}
	public Collection getSelectionListForCascadingGroup(
			IViewerReportDesignHandle design, String groupName,
			Object[] groupKeys, InputOptions options )
			throws ReportServiceException
	{
		IGetParameterDefinitionTask task = getParameterDefinitionTask( design );
		task.evaluateQuery( groupName );
		Collection selectionList = task.getSelectionListForCascadingGroup(
				groupName, groupKeys );