org.wings.plaf.Utils.optAttribute(device, "tabindex", button.getFocusTraversalIndex());
Utils.optAttribute(device, "tabindex", button.getFocusTraversalIndex());
    protected void inputTypeCheckbox(Device device, SAbstractButton button) throws IOException {        device.print("<input type=\"hidden\" name=\"");        org.wings.plaf.Utils.write(device, Utils.event(button));        device.print("\" value=\"hidden_reset\"/>");        device.print("<input type=\"checkbox\" name=\"");        org.wings.plaf.Utils.write(device, Utils.event(button));        device.print("\"");        org.wings.plaf.Utils.optAttribute(device, "tabindex", button.getFocusTraversalIndex());        if (!button.isEnabled())            device.print(" disabled=\"true\"");        if (button.isSelected())            device.print(" checked=\"true\"");        Utils.writeEvents(device, button);        device.print("/>");    }