function slp(naptime)
{
      naptime = naptime * 1000;
      var sleeping = true;
      var now = new Date();
      var alarm;
      var startingMSeconds = now.getTime();

      while(sleeping){
         alarm = new Date();
         alarmMSeconds = alarm.getTime();
         if(alarmMSeconds - startingMSeconds > naptime){ sleeping = false; }
      }
}

window.onbeforeunload = function (evt) {
	var flex = navigator.appName.indexOf("Microsoft") != -1 ? window["KabunkPlayer"] : document["KabunkPlayer"];
    flex.cleanUp();
	slp(2);
	return ;
}