code: function(value)
      {
          if (typeof(value)=="string" && value.indexOf("__FLASHERROR")==0)
          {
              var myErrorMessage = value.split("||");
              if(FABridge.refCount > 0 )
              {
                  FABridge.refCount--;
              }
              throw new Error(myErrorMessage[1]);
              return value;
          }
          else
          {
              return value;
          }   
      }
docs: check the given value for the components of the hard-coded error code : __FLASHERROR used to marshall NPE's into flash