Element minLabel = doc.createSpanElement();
row1.getElement().appendChild(minLabel);
minLabel.setInnerText("Minimum duration: ");
minInput = new InputText(row1Container);
minInput.setStyleName(css.filterPanelMinInput());
minInput.addKeyUpListener(new KeyUpListener() {
public void onKeyUp(KeyUpEvent event) {
int minValue = 0;
boolean exceptionEncountered = false;
try {
minValue = Integer.valueOf(minInput.getText());