Ticket #20855: 20855.3.diff

wp-admin/js/custom-background.js

@@ -61 +61 @@
                                         $(this).fadeOut(2);
                         });
                 });
+
+                toggleUploadButton = function() {
+                        $('#upload-form #submit').prop( 'disabled', '' === $('#upload').val() );
+                };
+        
+                toggleUploadButton();
+                $('#upload').change( toggleUploadButton );
         });
 
-})(jQuery);
- No newline at end of file
+})(jQuery);

wp-admin/js/custom-header.js

@@ +1 @@
+(function($) {
+
+        $(document).ready( function() {
+                toggleUploadButton = function() {
+                        $('#upload-form #submit').prop( 'disabled', '' === $('#upload').val() );
+                };
+        
+                toggleUploadButton();
+                $('#upload').change( toggleUploadButton );
+        });
+
+})(jQuery);

wp-includes/script-loader.php

@@ -440 +440 @@
                         'saveAlert' => __('The changes you made will be lost if you navigate away from this page.')
                 ) );
 
-                $scripts->add( 'custom-background', "/wp-admin/js/custom-background$suffix.js", array('farbtastic'), false, 1 );
-                $scripts->add( 'media-gallery', "/wp-admin/js/media-gallery$suffix.js", array('jquery'), false, 1 );
+                $scripts->add( 'custom-header', "/wp-admin/js/custom-header$suffix.js", array( 'jquery' ), false, 1 );
+                $scripts->add( 'custom-background', "/wp-admin/js/custom-background$suffix.js", array( 'farbtastic' ), false, 1 );
+                $scripts->add( 'media-gallery', "/wp-admin/js/media-gallery$suffix.js", array( 'jquery' ), false, 1 );
         }
 }