dataModel.setValue("rowweight", new Integer(0));
dataModel.setValue("columnweight", new Integer(0));
dataModel.setValue("row", new int[] { });
dataModel.setValue("column", new int[] { });
rowsTableModel = new TableDataModel();
columnsTableModel = new TableDataModel();
StringTokenizer mainTokenizer = new StringTokenizer(layoutNode.getAttribute("horiz"), ",");
StringTokenizer weightTokenizer = new StringTokenizer(layoutNode.getAttribute("hweights"), ",");
while (mainTokenizer.hasMoreTokens()) {