code: function(_name,_conf){
              if (!(_conf||_o).body){
                  _conf = {body:_conf};
              }
              var _result = NEJ.X(
                  NEJ.X({},_bcnf[_name]),_conf
              );
              _result.body = _e._$get(_result.body);
              if (!!_result.body&&!!_result.track){
                  if (_result.track==':parent'){
                      _result.track = _result.body.parentNode;
                  }
                  _result.track = _e._$get(_result.track);
              }
              if (!_result.min){
                  _result.min = !_result.body?10:(_result.body[_result.ob]||10);
              }
              return _result;
          }
docs: init scrollbar