public static function get_broker_fixprop($broker_id, $city_id, $tradetype = 1)
 {
     $plans = Dao_Broker_AjkPlan::get_broker_plans($broker_id, $tradetype);
     if ($plans) {
         $plan_ids = array();
         foreach ($plans as $plan) {
             $plan_ids[] = $plan['id'];
         }
         $plan_rels = Dao_Broker_AjkPlan::get_broker_relations($broker_id, $city_id, $plan_ids, $tradetype = 1);
         if ($plan_rels) {
             $proids = array();
             foreach ($plan_rels as $rels) {
                 $proids[$rels['proId']] = $rels['proId'];
             }
             return $proids;
         }
     }
     return array();
 }