From a3806202ffe1ecc85ba6213f06cc7b6f68c49695 Mon Sep 17 00:00:00 2001
From: John Resig <jeresig@gmail.com>
Date: Wed, 10 Jan 2007 00:46:10 +0000
Subject: [PATCH] Fixed a bug in jQuery.speed(), when there's no properties
 provided.

---
 src/fx/fx.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/fx/fx.js b/src/fx/fx.js
index 30bedbfab..0ede5eea9 100644
--- a/src/fx/fx.js
+++ b/src/fx/fx.js
@@ -356,9 +356,9 @@ jQuery.fn.extend({
 jQuery.extend({
 	
 	speed: function(speed, easing, fn) {
-		var opt = speed.constructor == Object ? speed : {
+		var opt = speed && speed.constructor == Object ? speed : {
 			complete: fn || !fn && easing || 
-				speed.constructor == Function && speed,
+				speed && speed.constructor == Function && speed,
 			duration: speed,
 			easing: fn && easing || easing && easing.constructor != Function && easing
 		};