Index: nodehierarchy.js
===================================================================
--- nodehierarchy.js	(revision 68)
+++ nodehierarchy.js	(working copy)
@@ -1,63 +1,61 @@
 // $Id: nodehierarchy.js,v 1.7.2.3 2010/02/13 16:08:21 ronan Exp $
-if (Drupal.jsEnabled) {
-  $(document).ready(function() {
-    $('.nodehierarchy-menu-link').each(function() {
-      var self = this;
+Drupal.behaviors.nodehierarchy = function(context) {
+  $('.nodehierarchy-menu-link').each(function() {
+    var self = this;
 
-      $('.nodehierarchy-parent-delete', self).each(function() {
-        if ($(this).attr('checked')) {
-          // Set display none instead of using hide(), because hide() doesn't work when parent is hidden.
-          $('.form-item', self).not($(this).parents()).css('display', 'none');
-        }
-      });
-      $('.nodehierarchy-parent-delete', self).bind('click', function () {
-        if ($(this).attr('checked')) {
-          $('.form-item', self).not($(this).parents()).slideUp('fast');
-        }
-        else {
-          $('.form-item', self).not($(this).parents()).slideDown('fast');
-        }
-      });
-
-      if (!$('.nodehierarchy-menu-enable', self).attr('checked')) {
+    $('.nodehierarchy-parent-delete', self).each(function() {
+      if ($(this).attr('checked')) {
         // Set display none instead of using hide(), because hide() doesn't work when parent is hidden.
-        $('.nodehierarchy-menu-settings', self).css('display', 'none');
+        $('.form-item', self).not($(this).parents()).css('display', 'none');
       }
-      $('.nodehierarchy-menu-enable', self).bind('click', function() {
-        if ($(this).attr('checked')) {
-          $('.nodehierarchy-menu-settings', self).slideDown('fast');
-        }
-        else {
-          $('.nodehierarchy-menu-settings', self).slideUp('fast');
-        }
-      });
+    });
+    $('.nodehierarchy-parent-delete', self).bind('click', function () {
+      if ($(this).attr('checked')) {
+        $('.form-item', self).not($(this).parents()).slideUp('fast');
+      }
+      else {
+        $('.form-item', self).not($(this).parents()).slideDown('fast');
+      }
+    });
 
-      if (!$('.nodehierarchy-menu-customize', self).attr('checked')) {
-        // Set display none instead of using hide(), because hide() doesn't work when parent is hidden.
-        $('.nodehierarchy-menu-title', self).css('display', 'none');
+    if ($('.nodehierarchy-menu-enable', self).length && !$('.nodehierarchy-menu-enable', self).attr('checked')) {
+      // Set display none instead of using hide(), because hide() doesn't work when parent is hidden.
+      $('.nodehierarchy-menu-settings', self).css('display', 'none');
+    }
+    $('.nodehierarchy-menu-enable', self).bind('click', function() {
+      if ($(this).attr('checked')) {
+        $('.nodehierarchy-menu-settings', self).slideDown('fast');
       }
-      $('.nodehierarchy-menu-customize', self).bind('click', function() {
-        if ($(this).attr('checked')) {
-          $('.nodehierarchy-menu-title', self).slideDown('fast');
-        }
-        else {
-          $('.nodehierarchy-menu-title', self).slideUp('fast');
-        }
-      });
+      else {
+        $('.nodehierarchy-menu-settings', self).slideUp('fast');
+      }
+    });
 
-      if ($('.nodehierarchy-parent-selector', self).length && $('.nodehierarchy-parent-selector', self).attr("selectedIndex") != 0) {
-        // Set display none instead of using hide(), because hide() doesn't work when parent is hidden.
-        $('.nodehierarchy-menu-name', self).css('display', 'none');
+    if (!$('.nodehierarchy-menu-customize', self).attr('checked')) {
+      // Set display none instead of using hide(), because hide() doesn't work when parent is hidden.
+      $('.nodehierarchy-menu-title', self).css('display', 'none');
+    }
+    $('.nodehierarchy-menu-customize', self).bind('click', function() {
+      if ($(this).attr('checked')) {
+        $('.nodehierarchy-menu-title', self).slideDown('fast');
       }
-      $('.nodehierarchy-parent-selector', self).change(function() {
-        if ($(this).attr("selectedIndex") == 0) {
-          $('.nodehierarchy-menu-name', self).slideDown('fast');
-        }
-        else {
-          $('.nodehierarchy-menu-name', self).slideUp('fast');
-        }
-      });
+      else {
+        $('.nodehierarchy-menu-title', self).slideUp('fast');
+      }
     });
+
+    if ($('.nodehierarchy-parent-selector', self).length && $('.nodehierarchy-parent-selector', self).attr("selectedIndex") != 0) {
+      // Set display none instead of using hide(), because hide() doesn't work when parent is hidden.
+      $('.nodehierarchy-menu-name', self).css('display', 'none');
+    }
+    $('.nodehierarchy-parent-selector', self).change(function() {
+      if ($(this).attr("selectedIndex") == 0) {
+        $('.nodehierarchy-menu-name', self).slideDown('fast');
+      }
+      else {
+        $('.nodehierarchy-menu-name', self).slideUp('fast');
+      }
+    });
   });
 }