code: function(sMethod, args) {
              for (var i in this.ids) {
                  for (var j in this.ids[i]) {
                      var oDD = this.ids[i][j];
                      if (! this.isTypeOfDD(oDD)) {
                          continue;
                      }
                      oDD[sMethod].apply(oDD, args);
                  }
              }
          }
docs: Runs method on all drag and drop objects
  @method _execOnAll
  @private
  @static