public function classes($major_id)
{
self::prepare();
$listbox = new KoolListBox("major");
$listbox->styleFolder = self::$selectStyle;
$dept_obj = new department();
$dept = $dept_obj->getALLMajor($major_id);
foreach ($dept as $key => $value) {
$listbox->AddItem(new ListBoxItem($key, $value));
}
$listbox->ItemTemplate = "<div class='class_listbox' id='{Text}'>{Value}</div>";
$listbox->ButtonSettings->ShowDelete = true;
$listbox->ButtonSettings->ShowReorder = true;
$listbox->Init();
return $listbox;
}
