function SurveyPopup()
{
  var threshold = 0.00333333333333333333 ;
  var whimsy = Math.random() ;
  var referrer = document.referrer ;

  if ( whimsy <= threshold )
  {
    if ( referrer && referrer != null && ( referrer == "http://www.washingtonpost.com/" || referrer == "http://www.washingtonpost.com" ) )
    {
      var s_window = window.open("http://www.washingtonpost.com/wp-srv/survey/front.htm",'','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=300,height=340,left=50,top=200,screenX=50,screenY=200') ;
    }
  }
}

SurveyPopup() ;