tf.requestFocus();
tf.selectAll();
errorDetected = true;
} catch(InvalidDeviationException iie){
JOptionPane.showMessageDialog(null, Messages.getString("QuantAna.Message.InvalidDeviation"));
tf.requestFocus();
tf.selectAll();
errorDetected = true;
} catch(NumberFormatException nfe) {
if (isInteger)
JOptionPane.showMessageDialog(null, Messages.getString("QuantAna.Message.NumberFormatErrorInt"));