public function index()
 {
     $tab_category = new tab_category();
     $data = $tab_category->orderBy('id', 'desc')->get();
     return View::make("admin.tab.index", array('data' => $data));
 }
 public static function getTab_category()
 {
     $tab_category = new tab_category();
     return $tab_category->orderBy('id', 'desc')->get();
 }