117     this.send_sack = new sack(DOKU_BASE + 'lib/plugins/chat/ajax.php');
118     this.send_sack.AjaxFailedAlert = '';
119     this.send_sack.encodeURIString = false;
189     this.send_sack.onLoading = function() {  method
191 		self.send_sack.requestTimer = setTimeout(
193 				self.send_sack.requestTimer = null;
195 					if (self.send_sack.xmlhttp.abort) {
196 						self.send_sack.xmlhttp.abort();
201 				self.send_sack.onError();
207     this.send_sack.onError = function() {  method
208 		if (self.send_sack.requestTimer !== null) {
209 		    clearTimeout(self.send_sack.requestTimer);
210 	    	self.send_sack.requestTimer = null;
217 		self.send_sack.onCompletion();
220     this.send_sack.onLoaded = function() {  method
221 	if (self.send_sack.requestTimer !== null) {
222 	    clearTimeout(self.send_sack.requestTimer);
223 	    self.send_sack.requestTimer = null;
258     self.send_sack.oldOnError = self.send_sack.onError;
259     self.send_sack.onError = function() {
260 	self.send_sack.oldOnError();
262 	self.send_sack.onError = self.send_sack.oldOnError;
266     this.send_sack.onCompletion = function() {  method
267 	var data = self.send_sack.response;
276 	    self.send_sack.onError = self.send_sack.oldOnError;
282     if (this.send_sack.encVar) {
283 	this.send_sack.encVar('call', 'clear');
284 	this.send_sack.encVar('pageId', self.pageId);
285 	this.send_sack.encVar('time', self.lastRefresh);
286 	this.send_sack.encVar('user', user);
287 	this.send_sack.runAJAX();
290 	this.send_sack.runAJAX(
311     self.send_sack.oldOnError = self.send_sack.onError;
312     self.send_sack.onError = function() {
313 	if (self.send_sack.onError !== self.send_sack.oldOnError) {
314 	    self.send_sack.oldOnError();
317 	self.send_sack.onError = self.send_sack.oldOnError;
321     this.send_sack.onCompletion = function() {  method
322 		var data = self.send_sack.response;
323 		if (200 == self.send_sack.responseStatus[0]*1) {
368 		    self.send_sack.onError = self.send_sack.oldOnError;
380     if (this.send_sack.encVar) {
381 	this.send_sack.encVar('call', 'send');
382 	this.send_sack.encVar('pageId', self.pageId);
383 	this.send_sack.encVar('time', self.lastRefresh);
384 	this.send_sack.encVar('user', user);
385 	this.send_sack.encVar('msg', message);
386 	this.send_sack.runAJAX();
389 	this.send_sack.runAJAX(