Added fix for undefined property in animation, in IE (Bug #1518)

diff --git a/src/fx/fx.js b/src/fx/fx.js
index 9f767a9..ca861b6 100644 (file)
--- a/src/fx/fx.js
+++ b/src/fx/fx.js
@@ -336,7 +336,7 @@ jQuery.fn.extend({
                        jQuery.each( prop, function(name, val){
                                var e = new jQuery.fx( self, opt, name );
                                if ( val.constructor == Number )
-                                       e.custom( e.cur(), val );
+                                       e.custom( e.cur() || 0, val );
                                else
                                        e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop );
                        });