diff --git a/mozilla/extensions/inspector/jar.mn b/mozilla/extensions/inspector/jar.mn
index f322b49b1fa..70d2950e233 100644
--- a/mozilla/extensions/inspector/jar.mn
+++ b/mozilla/extensions/inspector/jar.mn
@@ -76,6 +76,8 @@ inspector.jar:
   content/inspector/viewers/accessibleRelations/accessibleRelations.xul (resources/content/viewers/accessibleRelations/accessibleRelations.xul)
   content/inspector/viewers/accessibleTree/accessibleTree.js          (resources/content/viewers/accessibleTree/accessibleTree.js)
   content/inspector/viewers/accessibleTree/accessibleTree.xul         (resources/content/viewers/accessibleTree/accessibleTree.xul)
+  content/inspector/viewers/accessibleTree/evalJSDialog.js            (resources/content/viewers/accessibleTree/evalJSDialog.js)
+  content/inspector/viewers/accessibleTree/evalJSDialog.xul           (resources/content/viewers/accessibleTree/evalJSDialog.xul)
   content/inspector/viewers/computedStyle/computedStyle.js            (resources/content/viewers/computedStyle/computedStyle.js)
   content/inspector/viewers/computedStyle/computedStyle.xul           (resources/content/viewers/computedStyle/computedStyle.xul)
   content/inspector/viewers/dom/FindDialog.js                         (resources/content/viewers/dom/FindDialog.js)
diff --git a/mozilla/extensions/inspector/resources/Makefile.in b/mozilla/extensions/inspector/resources/Makefile.in
index 78b0200e4c6..24d68e8cf7f 100644
--- a/mozilla/extensions/inspector/resources/Makefile.in
+++ b/mozilla/extensions/inspector/resources/Makefile.in
@@ -45,14 +45,7 @@ VPATH=@srcdir@
 include $(DEPTH)/config/autoconf.mk
 
 ALL_LOCALES = \
-  cs \
-  de \
   en-US \
-  fr \
-  pl \
-  ru \
-  sk \
-  sv-SE \
   $(NULL)
 
 include $(topsrcdir)/config/config.mk
diff --git a/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/accessibleTree.js b/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/accessibleTree.js
index 931e3e99a63..60093ba1b5a 100644
--- a/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/accessibleTree.js
+++ b/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/accessibleTree.js
@@ -136,6 +136,23 @@ AccessibleTreeViewer.prototype =
     this.mObsMan.removeObserver(aEvent, aObserver);
   },
 
+  // UI commands
+  cmdEvalJS: function cmdEvalJS()
+  {
+    var sel = this.getSelectedAccessible();
+    if (sel) {
+      var win = openDialog("chrome://inspector/content/viewers/accessibleTree/evalJSDialog.xul", 
+                           "_blank", "chrome,resizable=yes", sel);
+    }
+  },
+
+  cmdInspectInNewView: function cmdInspectInNewView()
+  {
+    var sel = this.getSelectedAccessible();
+    if (sel)
+      inspectObject(sel);
+  },
+
   // stuff
 
   onItemSelected: function onItemSelected()
@@ -144,7 +161,13 @@ AccessibleTreeViewer.prototype =
     this.mSelection = this.mView.getDOMNode(idx);
     this.mObsMan.dispatchEvent("selectionChange",
                                { selection: this.mSelection } );
-  }
+  },
+
+  getSelectedAccessible: function getSelectedAccessible()
+  {
+    var idx = this.mTree.currentIndex;
+    return this.mView.getAccessible(idx);
+}
 };
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -410,6 +433,23 @@ function getDOMNode(aRow)
   return this.getDOMNodeFor(node.accessible);
 }
 
+/**
+ * Return accessible of the tree node pointed by the given
+ * row index.
+ *
+ * @param aRow  The row index to get the accessible from.
+ * @returns     The accessible for the given index.
+ */
+inAccTreeView.prototype.getAccessible =
+function getAccessible(aRow)
+{
+  var node = this.mNodes[aRow];
+  if (!node)
+    return null;
+
+  return node.accessible;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 //// inAccTreeViewNode
 
diff --git a/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/accessibleTree.xul b/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/accessibleTree.xul
index ebcb2367b3b..39666ba455a 100644
--- a/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/accessibleTree.xul
+++ b/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/accessibleTree.xul
@@ -57,8 +57,21 @@
   <script type="application/javascript"
           src="chrome://inspector/content/viewers/accessibleTree/accessibleTree.js"/>
 
+  <commandset id="cmdsAccTreeViewer">
+    <command id="cmdEvalJS" oncommand="viewer.cmdEvalJS();"/>
+    <command id="cmdInspectInNewView"
+             oncommand="viewer.cmdInspectInNewView();"/>
+  </commandset>
+
+  <popup id="popupContext">
+    <menuitem label="&inspectNewWindow.label;" observes="cmdInspectInNewView"/>
+    <menuseparator/>
+    <menuitem label="&evaluateJS.label;" observes="cmdEvalJS"/>
+  </popup>
+
   <tree id="olAccessibleTree" class="plain" flex="1"
-        onselect="viewer.onItemSelected()">
+        onselect="viewer.onItemSelected()"
+        context="popupContext">
     <treecols>
       <treecol id="olcRole"
                label="&role.label;"
diff --git a/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/evalJSDialog.js b/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/evalJSDialog.js
new file mode 100644
index 00000000000..3a9fcafff72
--- /dev/null
+++ b/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/evalJSDialog.js
@@ -0,0 +1,68 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2008
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Alexander Surkov <surkov.alexander@gmail.com> (original author)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+ 
+var gAcc = window.arguments[0];
+
+var gInputArea = null;
+var gOutputArea = null;
+
+function load()
+{
+  gInputArea = document.getElementById("JSInputArea");
+  gOutputArea = document.getElementById("JSOutputArea");
+}
+ 
+function execute()
+{
+  if (!gAcc)
+    return;
+
+  gOutputArea.value = "";
+
+  var expr = gInputArea.value;
+  try {
+    var f = Function("accessible", expr);
+    var result = f(gAcc);
+  } catch (ex) {
+      output(ex);
+  }
+}
+
+function output(aValue)
+{
+  gOutputArea.value += aValue;
+}
diff --git a/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/evalJSDialog.xul b/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/evalJSDialog.xul
new file mode 100644
index 00000000000..99332e40864
--- /dev/null
+++ b/mozilla/extensions/inspector/resources/content/viewers/accessibleTree/evalJSDialog.xul
@@ -0,0 +1,75 @@
+<?xml version="1.0"?>
+
+<!-- ***** BEGIN LICENSE BLOCK *****
+   - Version: MPL 1.1/GPL 2.0/LGPL 2.1
+   -
+   - The contents of this file are subject to the Mozilla Public License Version
+   - 1.1 (the "License"); you may not use this file except in compliance with
+   - the License. You may obtain a copy of the License at
+   - http://www.mozilla.org/MPL/
+   -
+   - Software distributed under the License is distributed on an "AS IS" basis,
+   - WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+   - for the specific language governing rights and limitations under the
+   - License.
+   -
+   - The Original Code is DOM Inspector.
+   -
+   - The Initial Developer of the Original Code is
+   - Mozilla Foundation.
+   - Portions created by the Initial Developer are Copyright (C) 2008
+   - the Initial Developer. All Rights Reserved.
+   -
+   - Contributor(s):
+   -  Alexander Surkov <surkov.alexander@gmail.com> (original author)
+   -
+   - Alternatively, the contents of this file may be used under the terms of
+   - either the GNU General Public License Version 2 or later (the "GPL"), or
+   - the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+   - in which case the provisions of the GPL or the LGPL are applicable instead
+   - of those above. If you wish to allow use of your version of this file only
+   - under the terms of either the GPL or the LGPL, and not to allow others to
+   - use your version of this file under the terms of the MPL, indicate your
+   - decision by deleting the provisions above and replace them with the notice
+   - and other provisions required by the GPL or the LGPL. If you do not delete
+   - the provisions above, a recipient may use your version of this file under
+   - the terms of any one of the MPL, the GPL or the LGPL.
+   -
+   - ***** END LICENSE BLOCK ***** -->
+
+<!DOCTYPE dialog [
+  <!ENTITY % dtd1 SYSTEM "chrome://inspector/locale/viewers/accessibleTreeEvalJSDialog.dtd"> %dtd1;
+]>
+
+<?xml-stylesheet href="chrome://communicator/skin"?>
+
+<dialog id="winEvalJS"
+        title="&evaluateDialog.title;"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+        buttons="accept, extra1"
+        buttonlabelextra1="&btnEvaluateJS.label;"
+        buttonaccesskeyextra1="&btnEvaluateJS.accesskey;"
+        ondialogextra1="return execute();"
+        style="width: 30em;"
+        onload="load();">
+
+  <script type="application/x-javascript"
+          src="chrome://inspector/content/viewers/accessibleTree/evalJSDialog.js"/>
+
+  <label control="JSInputArea"
+         accesskey="&txtInputArea.accesskey;">&txtInputArea.label;</label>
+  <textbox id="JSInputArea"
+           flex="1"
+           multiline="true"
+           rows="10"/>
+
+  <label control="JSOutputArea"
+         value="&txtOutputArea.label;"
+         accesskey="&txtOutputArea.accesskey;"/>
+  <textbox id="JSOutputArea"
+           flex="1"
+           multiline="true"
+           readonly="true"
+           rows="8"/>
+
+</dialog>
diff --git a/mozilla/extensions/inspector/resources/locale/en-US/viewers/accessibleTree.dtd b/mozilla/extensions/inspector/resources/locale/en-US/viewers/accessibleTree.dtd
index 10d820f4527..9071804c18a 100644
--- a/mozilla/extensions/inspector/resources/locale/en-US/viewers/accessibleTree.dtd
+++ b/mozilla/extensions/inspector/resources/locale/en-US/viewers/accessibleTree.dtd
@@ -41,3 +41,5 @@
 <!ENTITY name.label "Name">
 <!ENTITY nodeName.label "Node Name">
 
+<!ENTITY evaluateJS.label "Evaluate JavaScript">
+
diff --git a/mozilla/extensions/inspector/resources/locale/en-US/viewers/accessibleTreeEvalJSDialog.dtd b/mozilla/extensions/inspector/resources/locale/en-US/viewers/accessibleTreeEvalJSDialog.dtd
new file mode 100644
index 00000000000..aaac8eaf64b
--- /dev/null
+++ b/mozilla/extensions/inspector/resources/locale/en-US/viewers/accessibleTreeEvalJSDialog.dtd
@@ -0,0 +1,48 @@
+<!-- ***** BEGIN LICENSE BLOCK *****
+#if 0
+   - Version: MPL 1.1/GPL 2.0/LGPL 2.1
+   -
+   - The contents of this file are subject to the Mozilla Public License Version
+   - 1.1 (the "License"); you may not use this file except in compliance with
+   - the License. You may obtain a copy of the License at
+   - http://www.mozilla.org/MPL/
+   -
+   - Software distributed under the License is distributed on an "AS IS" basis,
+   - WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+   - for the specific language governing rights and limitations under the
+   - License.
+   -
+   - The Original Code is DOM Inspector.
+   -
+   - The Initial Developer of the Original Code is
+   - Mozilla Foundation.
+   - Portions created by the Initial Developer are Copyright (C) 2008
+   - the Initial Developer. All Rights Reserved.
+   -
+   - Contributor(s):
+   -   Alexander Surkov <surkov.alexander@gmail.com> (original author)
+   -
+   - Alternatively, the contents of this file may be used under the terms of
+   - either the GNU General Public License Version 2 or later (the "GPL"), or
+   - the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+   - in which case the provisions of the GPL or the LGPL are applicable instead
+   - of those above. If you wish to allow use of your version of this file only
+   - under the terms of either the GPL or the LGPL, and not to allow others to
+   - use your version of this file under the terms of the MPL, indicate your
+   - decision by deleting the provisions above and replace them with the notice
+   - and other provisions required by the LGPL or the GPL. If you do not delete
+   - the provisions above, a recipient may use your version of this file under
+   - the terms of any one of the MPL, the GPL or the LGPL.
+   -
+#endif
+   - ***** END LICENSE BLOCK ***** -->
+
+  <!ENTITY evaluateDialog.title "Evaluate JavaScript Dialog">
+
+  <!ENTITY btnEvaluateJS.label "Evaluate">
+  <!ENTITY btnEvaluateJS.accesskey "E">
+  
+  <!ENTITY txtInputArea.label "Input Area (use 'accessible' variable to operate with the selected accessible and 'output' function to write into 'Output Area' window): ">
+  <!ENTITY txtInputArea.accesskey "I">
+  <!ENTITY txtOutputArea.label "Output Area: ">
+  <!ENTITY txtOutputArea.accesskey "O">
diff --git a/mozilla/extensions/inspector/resources/locale/jar.mn b/mozilla/extensions/inspector/resources/locale/jar.mn
index d6322191407..8ec7b93ef65 100644
--- a/mozilla/extensions/inspector/resources/locale/jar.mn
+++ b/mozilla/extensions/inspector/resources/locale/jar.mn
@@ -2,22 +2,23 @@
 
 inspector.jar:
 % locale inspector @AB_CD@ %locale/@AB_CD@/inspector/
-* locale/@AB_CD@/inspector/contents.rdf                     (contents.rdf)
-  locale/@AB_CD@/inspector/inspector.dtd                    (@AB_CD@/inspector.dtd)
-  locale/@AB_CD@/inspector/prefs.dtd                        (@AB_CD@/prefs.dtd)
-  locale/@AB_CD@/inspector/editing.dtd                      (@AB_CD@/editing.dtd)
-  locale/@AB_CD@/inspector/tasksOverlay.dtd                 (@AB_CD@/tasksOverlay.dtd)
-* locale/@AB_CD@/inspector/viewers/accessibleEvent.dtd      (@AB_CD@/viewers/accessibleEvent.dtd)
-* locale/@AB_CD@/inspector/viewers/accessibleEvents.dtd     (@AB_CD@/viewers/accessibleEvents.dtd)
-* locale/@AB_CD@/inspector/viewers/accessibleProps.dtd      (@AB_CD@/viewers/accessibleProps.dtd)
-* locale/@AB_CD@/inspector/viewers/accessibleRelations.dtd  (@AB_CD@/viewers/accessibleRelations.dtd)
-* locale/@AB_CD@/inspector/viewers/accessibleTree.dtd       (@AB_CD@/viewers/accessibleTree.dtd)
-* locale/@AB_CD@/inspector/viewers/dom.dtd                  (@AB_CD@/viewers/dom.dtd)
-* locale/@AB_CD@/inspector/viewers/domNode.dtd              (@AB_CD@/viewers/domNode.dtd)
-* locale/@AB_CD@/inspector/viewers/styleRules.dtd           (@AB_CD@/viewers/styleRules.dtd)
-* locale/@AB_CD@/inspector/viewers/stylesheets.dtd          (@AB_CD@/viewers/stylesheets.dtd)
-* locale/@AB_CD@/inspector/viewers/xblBindings.dtd          (@AB_CD@/viewers/xblBindings.dtd)
-* locale/@AB_CD@/inspector/viewers/boxModel.dtd             (@AB_CD@/viewers/boxModel.dtd)
-* locale/@AB_CD@/inspector/viewers/computedStyle.dtd        (@AB_CD@/viewers/computedStyle.dtd)
-* locale/@AB_CD@/inspector/viewers/jsObject.dtd             (@AB_CD@/viewers/jsObject.dtd)
-* locale/@AB_CD@/inspector/inspector.properties             (@AB_CD@/inspector.properties)
+* locale/@AB_CD@/inspector/contents.rdf                                 (contents.rdf)
+  locale/@AB_CD@/inspector/inspector.dtd                                (@AB_CD@/inspector.dtd)
+  locale/@AB_CD@/inspector/prefs.dtd                                    (@AB_CD@/prefs.dtd)
+  locale/@AB_CD@/inspector/editing.dtd                                  (@AB_CD@/editing.dtd)
+  locale/@AB_CD@/inspector/tasksOverlay.dtd                             (@AB_CD@/tasksOverlay.dtd)
+* locale/@AB_CD@/inspector/viewers/accessibleEvent.dtd                  (@AB_CD@/viewers/accessibleEvent.dtd)
+* locale/@AB_CD@/inspector/viewers/accessibleEvents.dtd                 (@AB_CD@/viewers/accessibleEvents.dtd)
+* locale/@AB_CD@/inspector/viewers/accessibleProps.dtd                  (@AB_CD@/viewers/accessibleProps.dtd)
+* locale/@AB_CD@/inspector/viewers/accessibleRelations.dtd              (@AB_CD@/viewers/accessibleRelations.dtd)
+* locale/@AB_CD@/inspector/viewers/accessibleTree.dtd                   (@AB_CD@/viewers/accessibleTree.dtd)
+* locale/@AB_CD@/inspector/viewers/accessibleTreeEvalJSDialog.dtd       (@AB_CD@/viewers/accessibleTreeEvalJSDialog.dtd)
+* locale/@AB_CD@/inspector/viewers/dom.dtd                              (@AB_CD@/viewers/dom.dtd)
+* locale/@AB_CD@/inspector/viewers/domNode.dtd                          (@AB_CD@/viewers/domNode.dtd)
+* locale/@AB_CD@/inspector/viewers/styleRules.dtd                       (@AB_CD@/viewers/styleRules.dtd)
+* locale/@AB_CD@/inspector/viewers/stylesheets.dtd                      (@AB_CD@/viewers/stylesheets.dtd)
+* locale/@AB_CD@/inspector/viewers/xblBindings.dtd                      (@AB_CD@/viewers/xblBindings.dtd)
+* locale/@AB_CD@/inspector/viewers/boxModel.dtd                         (@AB_CD@/viewers/boxModel.dtd)
+* locale/@AB_CD@/inspector/viewers/computedStyle.dtd                    (@AB_CD@/viewers/computedStyle.dtd)
+* locale/@AB_CD@/inspector/viewers/jsObject.dtd                         (@AB_CD@/viewers/jsObject.dtd)
+* locale/@AB_CD@/inspector/inspector.properties                         (@AB_CD@/inspector.properties)