contentManager.setFunction("third_on_add",
                                   function(){
                                    con_id = this.ds.baseParams.sub_rel_id;
                                    dsT = new dataStore(
                                         new Proxy("/phone_book/get_from_phone/"
                                                     ,"GET"),
                                                new JSONReader(
                                                 {root: "rows",
                                                    totalProperty: "totalCount",
                                                        id:"id"},[
                                                            {name: 'id'}
                                                        ]
                                                    ));
                                    ds.baseParams = {"contact_id":con_id};                                 
                                    ds.afterLoad = function() {
                                        cbCategory.setValue(dsT.records[0].cat_id);
                                        cbContact.setValue(con_id);
                                    }
                                    ds.load()
                                    
                                    return addCentrexPhone();
                                   }
                                   );