X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Ffx%2Ffx.js;h=d83bf0dd431075fcdbe5428ca76ec3ba4e756819;hb=bfa79591b3c849d8df6cd8c7eac757732a855519;hp=30bedbfab8442a368e026d38427ac7ab8ccd2406;hpb=e057aeddccc52372b179c53bd88e15af9650353b;p=jquery.git

diff --git a/src/fx/fx.js b/src/fx/fx.js
index 30bedbf..d83bf0d 100644
--- a/src/fx/fx.js
+++ b/src/fx/fx.js
@@ -356,14 +356,14 @@ 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
 		};
 
-		opt.duration = (opt.duration.constructor == Number ? 
+		opt.duration = (opt.duration && opt.duration.constructor == Number ? 
 			opt.duration : 
 			{ slow: 600, fast: 200 }[opt.duration]) || 400;