property status

    var request = shell.serviceManager.maxiXML.xmlHTTPRequest;
    request.open("GET","http://aol.musicnow.com/rss/genre/");
    request.onreadystatechange = function()
    {
        if(request.readyState == 4)
            switch(request.status)
            {
              case 200: //HTTP OK
                  alert('HTTP OK');
                  break;
              case 307: //HTTP Temporary Redirect 
                  alert('HTTP Forwarded to New page');
                  break;
              default:
                  break;
            }
    }