// Rows and cells
for (Object rawR : sheet) {
xhtml.startElement("tr");
Row row = (Row) rawR;
for (Iterator<Cell> ri = row.cellIterator(); ri.hasNext();) {
xhtml.startElement("td");
Cell cell = ri.next();
if (cell.getCellType() == Cell.CELL_TYPE_FORMULA
|| cell.getCellType() == Cell.CELL_TYPE_STRING) {