From e306989c6d03aac37e2557465b4812ea21970065 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Wed, 24 Jan 2007 05:52:22 +0000
Subject: Fixed #517, #519, #521

---
 framework/Web/Javascripts/js/compressed/ajax.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'framework/Web/Javascripts/js/compressed/ajax.js')

diff --git a/framework/Web/Javascripts/js/compressed/ajax.js b/framework/Web/Javascripts/js/compressed/ajax.js
index ffc57483..5bf062d9 100644
--- a/framework/Web/Javascripts/js/compressed/ajax.js
+++ b/framework/Web/Javascripts/js/compressed/ajax.js
@@ -257,7 +257,8 @@ this.timer=setInterval(this.onTimerEvent.bind(this),this.options.Interval*1000);
 {Prado.WebUI.TTimeTriggeredCallback.timers[timer.options.ID]=timer;},start:function(id)
 {Prado.WebUI.TTimeTriggeredCallback.timers[id].startTimer();},stop:function(id)
 {Prado.WebUI.TTimeTriggeredCallback.timers[id].stopTimer();}});Prado.WebUI.ActiveListControl=Base.extend({constructor:function(options)
-{this.element=$(options.ID);this.options=options;Event.observe(this.element,"change",this.doCallback.bind(this));},doCallback:function(event)
+{this.element=$(options.ID);if(this.element)
+{this.options=options;Event.observe(this.element,"change",this.doCallback.bind(this));}},doCallback:function(event)
 {var request=new Prado.CallbackRequest(this.options.EventTarget,this.options);request.dispatch();Event.stop(event);}});Prado.WebUI.TActiveDropDownList=Prado.WebUI.ActiveListControl;Prado.WebUI.TActiveListBox=Prado.WebUI.ActiveListControl;Prado.WebUI.TEventTriggeredCallback=Base.extend({constructor:function(options)
 {this.options=options;var element=$(options['ControlID']);if(element)
 Event.observe(element,this.getEventName(element),this.doCallback.bind(this));},getEventName:function(element)
-- 
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