From 66bd98be22d50cc09bf14f9aaa0102771a3b990d Mon Sep 17 00:00:00 2001
From: John Resig <jeresig@gmail.com>
Date: Fri, 16 Jun 2006 02:43:04 +0000
Subject: [PATCH] Added onSuccess and onError callbacks for the $.xml()
 function.

---
 ajax/ajax.js | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/ajax/ajax.js b/ajax/ajax.js
index 21a99349..8e0f81f5 100644
--- a/ajax/ajax.js
+++ b/ajax/ajax.js
@@ -13,6 +13,15 @@ if ( typeof XMLHttpRequest == 'undefined' && typeof window.ActiveXObject == 'fun
 $.xmlActive=0;
 
 $.xml = function( type, url, data, ret ) {
+	if ( !url ) {
+		ret = type.onComplete;
+		var onSuccess = type.onSuccess;
+		var onError = type.onError;
+		data = type.data;
+		url = type.url;
+		type = type.type;
+	}
+
 	var xml = new XMLHttpRequest();
 
 	if ( xml ) {
@@ -24,7 +33,8 @@ $.xml = function( type, url, data, ret ) {
 		// Set header so calling script knows that it's an XMLHttpRequest
 		xml.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
 
-		/* Force "Connection: close" for Mozilla browsers to work around
+		/* Borrowed from Prototype:
+		 * Force "Connection: close" for Mozilla browsers to work around
 		 * a bug where XMLHttpReqeuest sends an incorrect Content-length
 		 * header. See Mozilla Bugzilla #246651.
 		 */
@@ -53,6 +63,13 @@ $.xml = function( type, url, data, ret ) {
 					$.xmlActive = 0
 				}
 
+				if ( xml.status && xml.status >= 200 && xml.status < 300 ) {
+					if ( onSuccess )
+						onSuccess( xml );
+				} else if ( onError ) {
+					onError( xml );
+				}
+
 				// Process result
 				if ( ret )
 					ret(xml);