**/ 
      // save old preflight options, add new ones 
      var oldPreflight = app.activeDocument.preflightOptions.properties; 
      app.activeDocument.preflightOptions.preflightOff = false; 
  
     // wait a maximum of 40 second for the preflight process. Before it runs, the (not so)Smart  Text Reflow should kick into action. 
      app.activeDocument.activeProcess.waitForProcess(40); 
      //stop preflight for a bit more performance? 
      app.activeDocument.preflightOptions.preflightOff = true; 
      //now check if story overflows? (maby you have a very large cell in a table? some wierd keep options? bad things happen