protected function renderCalendarYearOptions($writer, $selected = null)
{
$years = array();
for ($i = $this->getFromYear(); $i <= $this->getUpToYear(); $i++) {
$years[$i] = $i;
}
$writer->addAttribute('id', $this->getClientID() . TControl::CLIENT_ID_SEPARATOR . 'year');
$writer->addAttribute('name', $this->getUniqueID() . TControl::ID_SEPARATOR . 'year');
$writer->addAttribute('class', 'datepicker_year_options');
if ($this->getReadOnly() || !$this->getEnabled(true)) {
$writer->addAttribute('disabled', 'disabled');
}
$writer->renderBeginTag('select');
$this->renderDropDownListOptions($writer, $years, $selected);
$writer->renderEndTag();
}