private void balanceByItem() {
int selectedRowNumber = container.getTable().getSelectedRow();
if (selectedRowNumber != -1) {
ItemTableModel model = (ItemTableModel)container.getTable().getModel();
selectedRowNumber = container.getTable().convertRowIndexToModel(selectedRowNumber);
Vector dataVector = model.getDataVector();
Vector rowDatas = (Vector)dataVector.get(selectedRowNumber);
Row selectedRow = (Row)rowDatas.get(rowDatas.size() - 1);
Cell newTAmtCell = ObjectUtil.findNewCell(selectedRow, "RI", "TAMT");
Cell newLAmtCell = ObjectUtil.findNewCell(selectedRow, "RI", "LAMT");
Cell newXrCell = ObjectUtil.findNewCell(selectedRow, "RI", "XR");