first import

sites/all/modules/menu_block/menu-block.js

@@ -0,0 +1,36 @@
+(function ($) {
+
+Drupal.behaviors.menu_block = {
+  attach: function (context, settings) {
+    // This behavior attaches by ID, so is only valid once on a page.
+    if ($('#menu-block-settings.menu-block-processed').size()) {
+      return;
+    }
+    $('#menu-block-settings', context).addClass('menu-block-processed');
+
+    // Show the "display options" if javascript is on.
+    $('.form-item-display-options.form-type-radios>label', context).addClass('element-invisible');
+    $('.form-item-display-options.form-type-radios', context).show();
+    // Make the radio set into a jQuery UI buttonset.
+    $('#edit-display-options', context).buttonset();
+
+    // Override the default show/hide animation for Form API states.
+    $('#menu-block-settings', context).bind('state:visible', function(e) {
+      if (e.trigger) {
+        e.stopPropagation() /* Stop the handler further up the tree. */
+        $(e.target).closest('.form-item, .form-wrapper')[e.value ? 'slideDown' : 'slideUp']('fast');
+      }
+    });
+
+    // Syncronize the display of menu and parent item selects.
+    $('.menu-block-parent-mlid', context).change( function() {
+      var menuItem = $(this).val().split(':');
+      $('.menu-block-menu-name').val(menuItem[0]);
+    });
+    $('.menu-block-menu-name', context).change( function() {
+      $('.menu-block-parent-mlid').val($(this).val() + ':0');
+    });
+  }
+};
+
+})(jQuery);