--- core.js	2009-06-17 15:39:15.000000000 -0700
+++ core.js	2009-06-17 15:38:14.000000000 -0700
@@ -659,7 +659,7 @@
 		var name, i = 0, length = object.length;
 
 		if ( args ) {
-			if ( length === undefined ) {
+			if ( length === undefined || object.constructor == Function ) {
 				for ( name in object )
 					if ( callback.apply( object[ name ], args ) === false )
 						break;
@@ -670,7 +670,7 @@
 
 		// A special, fast, case for the most common use of each
 		} else {
-			if ( length === undefined ) {
+			if ( length === undefined || object.constructor == Function ) {
 				for ( name in object )
 					if ( callback.call( object[ name ], name, object[ name ] ) === false )
 						break;