public function search($key)
 {
     $key = preg_replace('/\\s\\s+/', ' ', trim($key));
     $contacts = Contact::Select();
     $resultsearch = TinTuc::search($key, 10);
     //ajax pagingation tìm kiếm
     $rs['noidung'] = $resultsearch;
     $rs['phantrang'] = $resultsearch->links();
     if (Request::ajax() && Input::get("type") == "search") {
         $html = View::make("guest.searches.ajaxpagination", $rs)->render();
         return Response::json(array('html' => $html));
     }
     //end ajax pagingation tìm kiếm
     return View::make('guest.searches.index')->with('contacts', $contacts)->with("keysearch", $key)->with("result", $resultsearch)->with("title", "Kết quả tìm kiếm với " . $key);
 }