rem: this._queueMessages=true; 
add: ajax._queueMessages=true; 
context:   _pollHandler: function(request)   {    this._queueMessages=true;    try    {      ajax._messageHandler(request);      ajax._pollEvent(ajax._first);      ajax._first=false;    }    catch(e)    {        alert(e);    }        this._queueMessages=false;        if (this._messages==0)    {      if (ajax.poll)        new Ajax.Request('.', { method: 'get', parameters: 'ajax=poll&message=poll', onSuccess: ajax._pollHandler });     }    else    {      var body = this._messageQueue+'&ajax=poll&message=poll';      this._messageQueue='';      this._messages=0;      new Ajax.Request('.', { method: 'post', onSuccess: ajax._pollHandler, postBody: body });     }  },
meta: 9683	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9683/05cb7c631f35e89f0ac416f3ea0b156415fbb413/ajax.js/buggy/trunk/examples/test-webapp/src/main/webapp/js/ajax.js