public PreparedCrosstabLayout()
{
headerSubReports = new ArrayList();
dataSubReports = new ArrayList();
final CrosstabHeaderStyleSheet styleSheet = new CrosstabHeaderStyleSheet();
final RenderBox rowFooterTitleBox = new RowRenderBox(styleSheet);
rowFooterTitleBox.setName("rowFooterTitleBox");
final RenderBox rowHeaderTitleBox = new RowRenderBox(styleSheet);
rowHeaderTitleBox.setName("rowHeaderTitleBox");
final RenderBox columnHeaderTitleBox = new RowRenderBox(styleSheet);