private void prepareVisit( ReportItemDesign item )
private BaseQueryDefn prepareVisit( ReportItemDesign item )
		private void prepareVisit( ReportItemDesign item )		{			tempQuery = null;			if (item instanceof ListingDesign)				tempQuery = createQuery( (ListingDesign)item );			else				tempQuery = createQuery( item );			if ( tempQuery != null )			{				pushQuery( tempQuery );				pushExpressions( tempQuery.getRowExpressions( ) );			}			handleReportItemExpressions( item );		}