code: function getParentObject(){
      var obj = parent;
      if (namespace !== "") {
          for (var i = 0, ii = namespace.split("."); i < ii.length; i++) {
              obj = obj[ii[i]];
          }
      }
      return obj.easyXDM;
  }
docs: Returns an instance of easyXDM from the parent window with
  respect to the namespace.
  
  @return An instance of easyXDM (in the parent window)