var row,
	cell,
	badCells = [];

for (
	var rowIndex = 0, rowLength = node.rows.length;
	rowIndex < rowLength;
	rowIndex++
) {
	row = node.rows[rowIndex];
	for (
		var cellIndex = 0, cellLength = row.cells.length;
		cellIndex < cellLength;
		cellIndex++
	) {
		cell = row.cells[cellIndex];
		if (
			cell.nodeName.toUpperCase() === 'TH' ||
			['rowheader', 'columnheader'].indexOf(cell.getAttribute('role')) !== -1
		) {
			badCells.push(cell);
		}
	}
}

if (badCells.length) {
	this.relatedNodes(badCells);
	return true;
}

return false;