public IReportDocument openReportDocument( String docName )
public IReportDocument openReportDocument( String systemId, String docName )
	public IReportDocument openReportDocument( String docName )	{		IReportDocument document = null;		try		{			synchronized ( this.getClass( ) )			{				document = engine.openReportDocument( docName );			}		}		catch ( Exception e )		{		}		return document;	}