function selectSuc($suc_id, $con_id = NULL)
 {
     $tab_subcontenedor = new tab_subcontenedor();
     if ($con_id == NULL) {
         $sql = "SELECT con_id FROM tab_subcontenedor WHERE suc_estado=1 AND suc_id={$suc_id}";
         $res = $tab_subcontenedor->dbSelectBySQL($sql);
         $con_id = $res[0]->con_id;
     }
     $sql = "SELECT suc_id, suc_codigo FROM tab_subcontenedor WHERE suc_estado=1 AND con_id={$con_id}";
     $res = $tab_subcontenedor->dbSelectBySQL($sql);
     $option = "";
     $option .= "<option value=''>(Seleccionar)</option>";
     foreach ($res as $value) {
         if ($value->suc_id == $suc_id) {
             $option .= "<option value='" . $value->suc_id . "' selected>" . $value->suc_codigo . "</option>";
         } else {
             $option .= "<option value='" . $value->suc_id . "' >" . $value->suc_codigo . "</option>";
         }
     }
     return $option;
 }
 function loadAjax()
 {
     $con_id = $_POST["con_id"];
     $sql = "SELECT *\r\n\t\tFROM\r\n\t\ttab_subcontenedor\r\n\t\tWHERE\r\n\t\ttab_subcontenedor.con_id =  '{$con_id}' ";
     $subcontenedor = new tab_subcontenedor();
     $result = $subcontenedor->dbSelectBySQL($sql);
     $res = array();
     foreach ($result as $row) {
         $res[$row->suc_id] = $row->suc_codigo;
     }
     echo json_encode($res);
 }