diff --git a/mozilla/content/html/style/public/nsIComputedDOMStyle.h b/mozilla/content/html/style/public/nsIComputedDOMStyle.h
new file mode 100644
index 00000000000..7ce149b7cad
--- /dev/null
+++ b/mozilla/content/html/style/public/nsIComputedDOMStyle.h
@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape 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/NPL/
+ *
+ * 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 Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1999 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+#ifndef nsIComputedDOMStyle_h___
+#define nsIComputedDOMStyle_h___
+
+#include "nslayout.h"
+#include "nsIDOMCSS2Properties.h"
+
+class nsIDOMElement;
+class nsIPresShell;
+
+#define NS_ICOMPUTEDDOMSTYLE_IID \
+ { 0x5f0197a1, 0xa873, 0x44e5, \
+    {0x96, 0x31, 0xac, 0xd6, 0xca, 0xb4, 0xf1, 0xe0 } }
+
+class nsIComputedDOMStyle : public nsIDOMCSS2Properties
+{
+public:
+  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICOMPUTEDDOMSTYLE_IID)
+
+  NS_IMETHOD Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
+                  nsIPresShell *aPresShell) = 0;
+};
+
+extern NS_HTML nsresult 
+NS_NewComputedDOMStyle(nsIComputedDOMStyle** aComputedStyle);
+
+#endif /* nsIComputedDOMStyle_h___ */
diff --git a/mozilla/content/html/style/src/nsComputedDOMStyle.cpp b/mozilla/content/html/style/src/nsComputedDOMStyle.cpp
new file mode 100644
index 00000000000..ff4caac19ab
--- /dev/null
+++ b/mozilla/content/html/style/src/nsComputedDOMStyle.cpp
@@ -0,0 +1,1732 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape 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/NPL/
+ *
+ * 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 Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+#include "nsIComputedDOMStyle.h"
+#include "nsIPresShell.h"
+#include "nsIContent.h"
+#include "nsIFrame.h"
+#include "nsIDOMElement.h"
+#include "nsIStyleContext.h"
+#include "nsIScriptObjectOwner.h"
+
+#include "nsCOMPtr.h"
+#include "nsDOMError.h"
+
+
+class nsComputedDOMStyle : public nsIComputedDOMStyle,
+                           public nsIScriptObjectOwner
+{
+public:
+  NS_DECL_ISUPPORTS
+
+  // nsIComputedDOMStyle
+  NS_IMETHOD Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
+                  nsIPresShell *aPresShell);
+
+  // nsIDOMCSS2Properties
+  NS_DECL_IDOMCSS2PROPERTIES
+
+  // nsIDOMCSSStyleDeclaration
+  NS_DECL_IDOMCSSSTYLEDECLARATION
+
+  // nsIScriptObjectOwner
+  NS_IMETHOD GetScriptObject(nsIScriptContext *aContext, void** aScriptObject);
+  NS_IMETHOD SetScriptObject(void* aScriptObject);
+
+  // nsComputedDOMStyle
+  nsComputedDOMStyle();
+  virtual ~nsComputedDOMStyle();
+
+private:
+  nsCOMPtr<nsIPresShell> mPresShell;
+  nsCOMPtr<nsIContent> mContent;
+  nsString mPseudo;
+  void* mScriptObject;
+};
+
+nsresult
+NS_NewComputedDOMStyle(nsIComputedDOMStyle** aComputedStyle)
+{
+  NS_ENSURE_ARG_POINTER(aComputedStyle);
+
+  *aComputedStyle = new nsComputedDOMStyle();
+  NS_ENSURE_TRUE(*aComputedStyle, NS_ERROR_OUT_OF_MEMORY);
+
+  NS_ADDREF(*aComputedStyle);
+
+  return NS_OK;
+}
+
+
+nsComputedDOMStyle::nsComputedDOMStyle() : mScriptObject(nsnull)
+{
+  NS_INIT_REFCNT();
+}
+
+
+nsComputedDOMStyle::~nsComputedDOMStyle()
+{
+}
+
+
+NS_IMPL_ADDREF(nsComputedDOMStyle);
+NS_IMPL_RELEASE(nsComputedDOMStyle);
+
+
+NS_INTERFACE_MAP_BEGIN(nsComputedDOMStyle)
+   NS_INTERFACE_MAP_ENTRY(nsIComputedDOMStyle)
+   NS_INTERFACE_MAP_ENTRY(nsIDOMCSS2Properties)
+   NS_INTERFACE_MAP_ENTRY(nsIDOMCSSStyleDeclaration)
+   NS_INTERFACE_MAP_ENTRY(nsIScriptObjectOwner)
+   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIComputedDOMStyle)
+NS_INTERFACE_MAP_END
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetScriptObject(nsIScriptContext *aContext, 
+                                  void** aScriptObject)
+{
+  nsresult res = NS_OK;
+
+  if (!mScriptObject) {
+    nsISupports *supports = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
+
+    // XXX Should be done through factory
+    res = NS_NewScriptCSS2Properties(aContext, supports, mContent,
+                                     &mScriptObject);
+  }
+
+  *aScriptObject = mScriptObject;
+
+  return res;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetScriptObject(void* aScriptObject)
+{
+  mScriptObject = aScriptObject;
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
+                         nsIPresShell *aPresShell)
+{
+  NS_ENSURE_ARG_POINTER(aElement);
+  NS_ENSURE_ARG_POINTER(aPresShell);
+
+  mPresShell = aPresShell;
+
+  mContent = do_QueryInterface(aElement);
+  if (!mContent) {
+    // This should not happen, all our elements support nsIContent!
+    return NS_ERROR_FAILURE;
+  }
+
+  mPseudo = aPseudoElt;
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCssText(nsString& aCssText)
+{
+  aCssText.Truncate();
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCssText(const nsString& aCssText)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLength(PRUint32* aLength)
+{
+  NS_ENSURE_ARG_POINTER(aLength);
+  *aLength = 0;
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetParentRule(nsIDOMCSSRule** aParentRule)
+{
+  NS_ENSURE_ARG_POINTER(aParentRule);
+  *aParentRule = nsnull;
+
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPropertyValue(const nsString& aPropertyName,
+                                     nsString& aReturn)
+{
+  // TBI
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPropertyCSSValue(const nsString& aPropertyName,
+                                        nsIDOMCSSValue** aReturn)
+{
+  NS_ENSURE_ARG_POINTER(aReturn);
+  *aReturn = nsnull;
+
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::RemoveProperty(const nsString& aPropertyName,
+                                   nsString& aReturn)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPropertyPriority(const nsString& aPropertyName,
+                                        nsString& aReturn)
+{
+  aReturn.Truncate();
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetProperty(const nsString& aPropertyName,
+                                const nsString& aValue,
+                                const nsString& aPriority)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::Item(PRUint32 aIndex, nsString& aReturn)
+{
+  aReturn.Truncate();
+  return NS_OK;
+}
+
+
+// nsIDOMCSS2Properties
+
+NS_IMETHODIMP 
+nsComputedDOMStyle::SetAzimuth(const nsString& aAzimuth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackground(const nsString& aBackground)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundAttachment(const nsString& aBackgroundAttachment)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundColor(const nsString& aBackgroundColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundImage(const nsString& aBackgroundImage)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundPosition(const nsString& aBackgroundPosition)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundRepeat(const nsString& aBackgroundRepeat)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBehavior(const nsString& aBehavior)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorder(const nsString& aBorder)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderCollapse(const nsString& aBorderCollapse)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderColor(const nsString& aBorderColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderSpacing(const nsString& aBorderSpacing)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderStyle(const nsString& aBorderStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTop(const nsString& aBorderTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRight(const nsString& aBorderRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottom(const nsString& aBorderBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeft(const nsString& aBorderLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTopColor(const nsString& aBorderTopColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRightColor(const nsString& aBorderRightColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottomColor(const nsString& aBorderBottomColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeftColor(const nsString& aBorderLeftColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTopStyle(const nsString& aBorderTopStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRightStyle(const nsString& aBorderRightStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottomStyle(const nsString& aBorderBottomStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeftStyle(const nsString& aBorderLeftStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTopWidth(const nsString& aBorderTopWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRightWidth(const nsString& aBorderRightWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottomWidth(const nsString& aBorderBottomWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeftWidth(const nsString& aBorderLeftWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderWidth(const nsString& aBorderWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBottom(const nsString& aBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCaptionSide(const nsString& aCaptionSide)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetClear(const nsString& aClear)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetClip(const nsString& aClip)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetColor(const nsString& aColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetContent(const nsString& aContent)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCounterIncrement(const nsString& aCounterIncrement)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCounterReset(const nsString& aCounterReset)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCssFloat(const nsString& aCssFloat)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCue(const nsString& aCue)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCueAfter(const nsString& aCueAfter)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCueBefore(const nsString& aCueBefore)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCursor(const nsString& aCursor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetDirection(const nsString& aDirection)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetDisplay(const nsString& aDisplay)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetElevation(const nsString& aElevation)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetEmptyCells(const nsString& aEmptyCells)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFont(const nsString& aFont)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontFamily(const nsString& aFontFamily)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontSize(const nsString& aFontSize)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontSizeAdjust(const nsString& aFontSizeAdjust)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontStretch(const nsString& aFontStretch)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontStyle(const nsString& aFontStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontVariant(const nsString& aFontVariant)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontWeight(const nsString& aFontWeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetHeight(const nsString& aHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetLeft(const nsString& aLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetLetterSpacing(const nsString& aLetterSpacing)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetLineHeight(const nsString& aLineHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStyle(const nsString& aListStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStyleImage(const nsString& aListStyleImage)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStylePosition(const nsString& aListStylePosition)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStyleType(const nsString& aListStyleType)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMargin(const nsString& aMargin)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginTop(const nsString& aMarginTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginRight(const nsString& aMarginRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginBottom(const nsString& aMarginBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginLeft(const nsString& aMarginLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarkerOffset(const nsString& aMarkerOffset)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarks(const nsString& aMarks)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMaxHeight(const nsString& aMaxHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMaxWidth(const nsString& aMaxWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMinHeight(const nsString& aMinHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMinWidth(const nsString& aMinWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOrphans(const nsString& aOrphans)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutline(const nsString& aOutline)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutlineColor(const nsString& aOutlineColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutlineStyle(const nsString& aOutlineStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutlineWidth(const nsString& aOutlineWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOverflow(const nsString& aOverflow)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPadding(const nsString& aPadding)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingTop(const nsString& aPaddingTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingRight(const nsString& aPaddingRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingBottom(const nsString& aPaddingBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingLeft(const nsString& aPaddingLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPage(const nsString& aPage)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPageBreakAfter(const nsString& aPageBreakAfter)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPageBreakBefore(const nsString& aPageBreakBefore)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPageBreakInside(const nsString& aPageBreakInside)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPause(const nsString& aPause)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPauseAfter(const nsString& aPauseAfter)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPauseBefore(const nsString& aPauseBefore)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPitch(const nsString& aPitch)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPitchRange(const nsString& aPitchRange)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPlayDuring(const nsString& aPlayDuring)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPosition(const nsString& aPosition)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetQuotes(const nsString& aQuotes)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetRichness(const nsString& aRichness)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetRight(const nsString& aRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSize(const nsString& aSize)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeak(const nsString& aSpeak)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeakHeader(const nsString& aSpeakHeader)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeakNumeral(const nsString& aSpeakNumeral)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeakPunctuation(const nsString& aSpeakPunctuation)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeechRate(const nsString& aSpeechRate)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetStress(const nsString& aStress)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTableLayout(const nsString& aTableLayout)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextAlign(const nsString& aTextAlign)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextDecoration(const nsString& aTextDecoration)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextIndent(const nsString& aTextIndent)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextShadow(const nsString& aTextShadow)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextTransform(const nsString& aTextTransform)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTop(const nsString& aTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetUnicodeBidi(const nsString& aUnicodeBidi)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVerticalAlign(const nsString& aVerticalAlign)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVisibility(const nsString& aVisibility)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVoiceFamily(const nsString& aVoiceFamily)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVolume(const nsString& aVolume)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWhiteSpace(const nsString& aWhiteSpace)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWidows(const nsString& aWidows)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWidth(const nsString& aWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWordSpacing(const nsString& aWordSpacing)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetZIndex(const nsString& aZIndex)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP 
+nsComputedDOMStyle::SetOpacity(const nsString& aOpacity)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+// Property getters
+
+NS_IMETHODIMP 
+nsComputedDOMStyle::GetAzimuth(nsString& aAzimuth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackground(nsString& aBackground)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundAttachment(nsString& aBackgroundAttachment)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundColor(nsString& aBackgroundColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundImage(nsString& aBackgroundImage)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundPosition(nsString& aBackgroundPosition)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundRepeat(nsString& aBackgroundRepeat)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBehavior(nsString& aBehavior)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorder(nsString& aBorder)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderCollapse(nsString& aBorderCollapse)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderColor(nsString& aBorderColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderSpacing(nsString& aBorderSpacing)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderStyle(nsString& aBorderStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTop(nsString& aBorderTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRight(nsString& aBorderRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottom(nsString& aBorderBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeft(nsString& aBorderLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTopColor(nsString& aBorderTopColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRightColor(nsString& aBorderRightColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottomColor(nsString& aBorderBottomColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeftColor(nsString& aBorderLeftColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTopStyle(nsString& aBorderTopStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRightStyle(nsString& aBorderRightStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottomStyle(nsString& aBorderBottomStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeftStyle(nsString& aBorderLeftStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTopWidth(nsString& aBorderTopWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRightWidth(nsString& aBorderRightWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottomWidth(nsString& aBorderBottomWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeftWidth(nsString& aBorderLeftWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderWidth(nsString& aBorderWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBottom(nsString& aBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCaptionSide(nsString& aCaptionSide)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetClear(nsString& aClear)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetClip(nsString& aClip)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetColor(nsString& aColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetContent(nsString& aContent)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCounterIncrement(nsString& aCounterIncrement)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCounterReset(nsString& aCounterReset)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCssFloat(nsString& aCssFloat)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCue(nsString& aCue)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCueAfter(nsString& aCueAfter)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCueBefore(nsString& aCueBefore)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCursor(nsString& aCursor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetDirection(nsString& aDirection)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetDisplay(nsString& aDisplay)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetElevation(nsString& aElevation)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetEmptyCells(nsString& aEmptyCells)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFont(nsString& aFont)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontFamily(nsString& aFontFamily)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontSize(nsString& aFontSize)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontSizeAdjust(nsString& aFontSizeAdjust)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontStretch(nsString& aFontStretch)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontStyle(nsString& aFontStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontVariant(nsString& aFontVariant)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontWeight(nsString& aFontWeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetHeight(nsString& aHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLeft(nsString& aLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLetterSpacing(nsString& aLetterSpacing)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLineHeight(nsString& aLineHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStyle(nsString& aListStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStyleImage(nsString& aListStyleImage)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStylePosition(nsString& aListStylePosition)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStyleType(nsString& aListStyleType)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMargin(nsString& aMargin)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginTop(nsString& aMarginTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginRight(nsString& aMarginRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginBottom(nsString& aMarginBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginLeft(nsString& aMarginLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarkerOffset(nsString& aMarkerOffset)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarks(nsString& aMarks)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMaxHeight(nsString& aMaxHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMaxWidth(nsString& aMaxWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMinHeight(nsString& aMinHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMinWidth(nsString& aMinWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOrphans(nsString& aOrphans)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutline(nsString& aOutline)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutlineColor(nsString& aOutlineColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutlineStyle(nsString& aOutlineStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutlineWidth(nsString& aOutlineWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOverflow(nsString& aOverflow)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPadding(nsString& aPadding)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingTop(nsString& aPaddingTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingRight(nsString& aPaddingRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingBottom(nsString& aPaddingBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingLeft(nsString& aPaddingLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPage(nsString& aPage)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPageBreakAfter(nsString& aPageBreakAfter)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPageBreakBefore(nsString& aPageBreakBefore)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPageBreakInside(nsString& aPageBreakInside)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPause(nsString& aPause)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPauseAfter(nsString& aPauseAfter)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPauseBefore(nsString& aPauseBefore)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPitch(nsString& aPitch)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPitchRange(nsString& aPitchRange)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPlayDuring(nsString& aPlayDuring)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPosition(nsString& aPosition)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetQuotes(nsString& aQuotes)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetRichness(nsString& aRichness)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetRight(nsString& aRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSize(nsString& aSize)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeak(nsString& aSpeak)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeakHeader(nsString& aSpeakHeader)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeakNumeral(nsString& aSpeakNumeral)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeakPunctuation(nsString& aSpeakPunctuation)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeechRate(nsString& aSpeechRate)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetStress(nsString& aStress)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTableLayout(nsString& aTableLayout)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextAlign(nsString& aTextAlign)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextDecoration(nsString& aTextDecoration)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextIndent(nsString& aTextIndent)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextShadow(nsString& aTextShadow)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextTransform(nsString& aTextTransform)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTop(nsString& aTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetUnicodeBidi(nsString& aUnicodeBidi)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVerticalAlign(nsString& aVerticalAlign)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVisibility(nsString& aVisibility)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVoiceFamily(nsString& aVoiceFamily)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVolume(nsString& aVolume)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWhiteSpace(nsString& aWhiteSpace)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWidows(nsString& aWidows)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWidth(nsString& aWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWordSpacing(nsString& aWordSpacing)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetZIndex(nsString& aZIndex)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOpacity(nsString& aOpacity)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
diff --git a/mozilla/layout/html/style/public/nsIComputedDOMStyle.h b/mozilla/layout/html/style/public/nsIComputedDOMStyle.h
new file mode 100644
index 00000000000..7ce149b7cad
--- /dev/null
+++ b/mozilla/layout/html/style/public/nsIComputedDOMStyle.h
@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape 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/NPL/
+ *
+ * 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 Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1999 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+#ifndef nsIComputedDOMStyle_h___
+#define nsIComputedDOMStyle_h___
+
+#include "nslayout.h"
+#include "nsIDOMCSS2Properties.h"
+
+class nsIDOMElement;
+class nsIPresShell;
+
+#define NS_ICOMPUTEDDOMSTYLE_IID \
+ { 0x5f0197a1, 0xa873, 0x44e5, \
+    {0x96, 0x31, 0xac, 0xd6, 0xca, 0xb4, 0xf1, 0xe0 } }
+
+class nsIComputedDOMStyle : public nsIDOMCSS2Properties
+{
+public:
+  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICOMPUTEDDOMSTYLE_IID)
+
+  NS_IMETHOD Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
+                  nsIPresShell *aPresShell) = 0;
+};
+
+extern NS_HTML nsresult 
+NS_NewComputedDOMStyle(nsIComputedDOMStyle** aComputedStyle);
+
+#endif /* nsIComputedDOMStyle_h___ */
diff --git a/mozilla/layout/html/style/src/nsComputedDOMStyle.cpp b/mozilla/layout/html/style/src/nsComputedDOMStyle.cpp
new file mode 100644
index 00000000000..ff4caac19ab
--- /dev/null
+++ b/mozilla/layout/html/style/src/nsComputedDOMStyle.cpp
@@ -0,0 +1,1732 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape 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/NPL/
+ *
+ * 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 Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+#include "nsIComputedDOMStyle.h"
+#include "nsIPresShell.h"
+#include "nsIContent.h"
+#include "nsIFrame.h"
+#include "nsIDOMElement.h"
+#include "nsIStyleContext.h"
+#include "nsIScriptObjectOwner.h"
+
+#include "nsCOMPtr.h"
+#include "nsDOMError.h"
+
+
+class nsComputedDOMStyle : public nsIComputedDOMStyle,
+                           public nsIScriptObjectOwner
+{
+public:
+  NS_DECL_ISUPPORTS
+
+  // nsIComputedDOMStyle
+  NS_IMETHOD Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
+                  nsIPresShell *aPresShell);
+
+  // nsIDOMCSS2Properties
+  NS_DECL_IDOMCSS2PROPERTIES
+
+  // nsIDOMCSSStyleDeclaration
+  NS_DECL_IDOMCSSSTYLEDECLARATION
+
+  // nsIScriptObjectOwner
+  NS_IMETHOD GetScriptObject(nsIScriptContext *aContext, void** aScriptObject);
+  NS_IMETHOD SetScriptObject(void* aScriptObject);
+
+  // nsComputedDOMStyle
+  nsComputedDOMStyle();
+  virtual ~nsComputedDOMStyle();
+
+private:
+  nsCOMPtr<nsIPresShell> mPresShell;
+  nsCOMPtr<nsIContent> mContent;
+  nsString mPseudo;
+  void* mScriptObject;
+};
+
+nsresult
+NS_NewComputedDOMStyle(nsIComputedDOMStyle** aComputedStyle)
+{
+  NS_ENSURE_ARG_POINTER(aComputedStyle);
+
+  *aComputedStyle = new nsComputedDOMStyle();
+  NS_ENSURE_TRUE(*aComputedStyle, NS_ERROR_OUT_OF_MEMORY);
+
+  NS_ADDREF(*aComputedStyle);
+
+  return NS_OK;
+}
+
+
+nsComputedDOMStyle::nsComputedDOMStyle() : mScriptObject(nsnull)
+{
+  NS_INIT_REFCNT();
+}
+
+
+nsComputedDOMStyle::~nsComputedDOMStyle()
+{
+}
+
+
+NS_IMPL_ADDREF(nsComputedDOMStyle);
+NS_IMPL_RELEASE(nsComputedDOMStyle);
+
+
+NS_INTERFACE_MAP_BEGIN(nsComputedDOMStyle)
+   NS_INTERFACE_MAP_ENTRY(nsIComputedDOMStyle)
+   NS_INTERFACE_MAP_ENTRY(nsIDOMCSS2Properties)
+   NS_INTERFACE_MAP_ENTRY(nsIDOMCSSStyleDeclaration)
+   NS_INTERFACE_MAP_ENTRY(nsIScriptObjectOwner)
+   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIComputedDOMStyle)
+NS_INTERFACE_MAP_END
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetScriptObject(nsIScriptContext *aContext, 
+                                  void** aScriptObject)
+{
+  nsresult res = NS_OK;
+
+  if (!mScriptObject) {
+    nsISupports *supports = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
+
+    // XXX Should be done through factory
+    res = NS_NewScriptCSS2Properties(aContext, supports, mContent,
+                                     &mScriptObject);
+  }
+
+  *aScriptObject = mScriptObject;
+
+  return res;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetScriptObject(void* aScriptObject)
+{
+  mScriptObject = aScriptObject;
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
+                         nsIPresShell *aPresShell)
+{
+  NS_ENSURE_ARG_POINTER(aElement);
+  NS_ENSURE_ARG_POINTER(aPresShell);
+
+  mPresShell = aPresShell;
+
+  mContent = do_QueryInterface(aElement);
+  if (!mContent) {
+    // This should not happen, all our elements support nsIContent!
+    return NS_ERROR_FAILURE;
+  }
+
+  mPseudo = aPseudoElt;
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCssText(nsString& aCssText)
+{
+  aCssText.Truncate();
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCssText(const nsString& aCssText)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLength(PRUint32* aLength)
+{
+  NS_ENSURE_ARG_POINTER(aLength);
+  *aLength = 0;
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetParentRule(nsIDOMCSSRule** aParentRule)
+{
+  NS_ENSURE_ARG_POINTER(aParentRule);
+  *aParentRule = nsnull;
+
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPropertyValue(const nsString& aPropertyName,
+                                     nsString& aReturn)
+{
+  // TBI
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPropertyCSSValue(const nsString& aPropertyName,
+                                        nsIDOMCSSValue** aReturn)
+{
+  NS_ENSURE_ARG_POINTER(aReturn);
+  *aReturn = nsnull;
+
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::RemoveProperty(const nsString& aPropertyName,
+                                   nsString& aReturn)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPropertyPriority(const nsString& aPropertyName,
+                                        nsString& aReturn)
+{
+  aReturn.Truncate();
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetProperty(const nsString& aPropertyName,
+                                const nsString& aValue,
+                                const nsString& aPriority)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::Item(PRUint32 aIndex, nsString& aReturn)
+{
+  aReturn.Truncate();
+  return NS_OK;
+}
+
+
+// nsIDOMCSS2Properties
+
+NS_IMETHODIMP 
+nsComputedDOMStyle::SetAzimuth(const nsString& aAzimuth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackground(const nsString& aBackground)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundAttachment(const nsString& aBackgroundAttachment)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundColor(const nsString& aBackgroundColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundImage(const nsString& aBackgroundImage)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundPosition(const nsString& aBackgroundPosition)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundRepeat(const nsString& aBackgroundRepeat)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBehavior(const nsString& aBehavior)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorder(const nsString& aBorder)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderCollapse(const nsString& aBorderCollapse)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderColor(const nsString& aBorderColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderSpacing(const nsString& aBorderSpacing)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderStyle(const nsString& aBorderStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTop(const nsString& aBorderTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRight(const nsString& aBorderRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottom(const nsString& aBorderBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeft(const nsString& aBorderLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTopColor(const nsString& aBorderTopColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRightColor(const nsString& aBorderRightColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottomColor(const nsString& aBorderBottomColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeftColor(const nsString& aBorderLeftColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTopStyle(const nsString& aBorderTopStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRightStyle(const nsString& aBorderRightStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottomStyle(const nsString& aBorderBottomStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeftStyle(const nsString& aBorderLeftStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTopWidth(const nsString& aBorderTopWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRightWidth(const nsString& aBorderRightWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottomWidth(const nsString& aBorderBottomWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeftWidth(const nsString& aBorderLeftWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderWidth(const nsString& aBorderWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBottom(const nsString& aBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCaptionSide(const nsString& aCaptionSide)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetClear(const nsString& aClear)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetClip(const nsString& aClip)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetColor(const nsString& aColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetContent(const nsString& aContent)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCounterIncrement(const nsString& aCounterIncrement)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCounterReset(const nsString& aCounterReset)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCssFloat(const nsString& aCssFloat)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCue(const nsString& aCue)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCueAfter(const nsString& aCueAfter)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCueBefore(const nsString& aCueBefore)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCursor(const nsString& aCursor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetDirection(const nsString& aDirection)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetDisplay(const nsString& aDisplay)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetElevation(const nsString& aElevation)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetEmptyCells(const nsString& aEmptyCells)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFont(const nsString& aFont)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontFamily(const nsString& aFontFamily)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontSize(const nsString& aFontSize)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontSizeAdjust(const nsString& aFontSizeAdjust)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontStretch(const nsString& aFontStretch)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontStyle(const nsString& aFontStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontVariant(const nsString& aFontVariant)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontWeight(const nsString& aFontWeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetHeight(const nsString& aHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetLeft(const nsString& aLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetLetterSpacing(const nsString& aLetterSpacing)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetLineHeight(const nsString& aLineHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStyle(const nsString& aListStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStyleImage(const nsString& aListStyleImage)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStylePosition(const nsString& aListStylePosition)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStyleType(const nsString& aListStyleType)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMargin(const nsString& aMargin)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginTop(const nsString& aMarginTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginRight(const nsString& aMarginRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginBottom(const nsString& aMarginBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginLeft(const nsString& aMarginLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarkerOffset(const nsString& aMarkerOffset)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarks(const nsString& aMarks)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMaxHeight(const nsString& aMaxHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMaxWidth(const nsString& aMaxWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMinHeight(const nsString& aMinHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMinWidth(const nsString& aMinWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOrphans(const nsString& aOrphans)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutline(const nsString& aOutline)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutlineColor(const nsString& aOutlineColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutlineStyle(const nsString& aOutlineStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutlineWidth(const nsString& aOutlineWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOverflow(const nsString& aOverflow)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPadding(const nsString& aPadding)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingTop(const nsString& aPaddingTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingRight(const nsString& aPaddingRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingBottom(const nsString& aPaddingBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingLeft(const nsString& aPaddingLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPage(const nsString& aPage)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPageBreakAfter(const nsString& aPageBreakAfter)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPageBreakBefore(const nsString& aPageBreakBefore)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPageBreakInside(const nsString& aPageBreakInside)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPause(const nsString& aPause)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPauseAfter(const nsString& aPauseAfter)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPauseBefore(const nsString& aPauseBefore)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPitch(const nsString& aPitch)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPitchRange(const nsString& aPitchRange)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPlayDuring(const nsString& aPlayDuring)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPosition(const nsString& aPosition)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetQuotes(const nsString& aQuotes)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetRichness(const nsString& aRichness)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetRight(const nsString& aRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSize(const nsString& aSize)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeak(const nsString& aSpeak)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeakHeader(const nsString& aSpeakHeader)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeakNumeral(const nsString& aSpeakNumeral)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeakPunctuation(const nsString& aSpeakPunctuation)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeechRate(const nsString& aSpeechRate)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetStress(const nsString& aStress)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTableLayout(const nsString& aTableLayout)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextAlign(const nsString& aTextAlign)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextDecoration(const nsString& aTextDecoration)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextIndent(const nsString& aTextIndent)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextShadow(const nsString& aTextShadow)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextTransform(const nsString& aTextTransform)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTop(const nsString& aTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetUnicodeBidi(const nsString& aUnicodeBidi)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVerticalAlign(const nsString& aVerticalAlign)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVisibility(const nsString& aVisibility)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVoiceFamily(const nsString& aVoiceFamily)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVolume(const nsString& aVolume)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWhiteSpace(const nsString& aWhiteSpace)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWidows(const nsString& aWidows)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWidth(const nsString& aWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWordSpacing(const nsString& aWordSpacing)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetZIndex(const nsString& aZIndex)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP 
+nsComputedDOMStyle::SetOpacity(const nsString& aOpacity)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+// Property getters
+
+NS_IMETHODIMP 
+nsComputedDOMStyle::GetAzimuth(nsString& aAzimuth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackground(nsString& aBackground)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundAttachment(nsString& aBackgroundAttachment)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundColor(nsString& aBackgroundColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundImage(nsString& aBackgroundImage)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundPosition(nsString& aBackgroundPosition)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundRepeat(nsString& aBackgroundRepeat)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBehavior(nsString& aBehavior)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorder(nsString& aBorder)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderCollapse(nsString& aBorderCollapse)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderColor(nsString& aBorderColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderSpacing(nsString& aBorderSpacing)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderStyle(nsString& aBorderStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTop(nsString& aBorderTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRight(nsString& aBorderRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottom(nsString& aBorderBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeft(nsString& aBorderLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTopColor(nsString& aBorderTopColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRightColor(nsString& aBorderRightColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottomColor(nsString& aBorderBottomColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeftColor(nsString& aBorderLeftColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTopStyle(nsString& aBorderTopStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRightStyle(nsString& aBorderRightStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottomStyle(nsString& aBorderBottomStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeftStyle(nsString& aBorderLeftStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTopWidth(nsString& aBorderTopWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRightWidth(nsString& aBorderRightWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottomWidth(nsString& aBorderBottomWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeftWidth(nsString& aBorderLeftWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderWidth(nsString& aBorderWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBottom(nsString& aBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCaptionSide(nsString& aCaptionSide)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetClear(nsString& aClear)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetClip(nsString& aClip)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetColor(nsString& aColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetContent(nsString& aContent)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCounterIncrement(nsString& aCounterIncrement)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCounterReset(nsString& aCounterReset)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCssFloat(nsString& aCssFloat)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCue(nsString& aCue)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCueAfter(nsString& aCueAfter)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCueBefore(nsString& aCueBefore)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCursor(nsString& aCursor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetDirection(nsString& aDirection)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetDisplay(nsString& aDisplay)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetElevation(nsString& aElevation)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetEmptyCells(nsString& aEmptyCells)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFont(nsString& aFont)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontFamily(nsString& aFontFamily)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontSize(nsString& aFontSize)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontSizeAdjust(nsString& aFontSizeAdjust)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontStretch(nsString& aFontStretch)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontStyle(nsString& aFontStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontVariant(nsString& aFontVariant)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontWeight(nsString& aFontWeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetHeight(nsString& aHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLeft(nsString& aLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLetterSpacing(nsString& aLetterSpacing)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLineHeight(nsString& aLineHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStyle(nsString& aListStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStyleImage(nsString& aListStyleImage)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStylePosition(nsString& aListStylePosition)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStyleType(nsString& aListStyleType)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMargin(nsString& aMargin)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginTop(nsString& aMarginTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginRight(nsString& aMarginRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginBottom(nsString& aMarginBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginLeft(nsString& aMarginLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarkerOffset(nsString& aMarkerOffset)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarks(nsString& aMarks)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMaxHeight(nsString& aMaxHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMaxWidth(nsString& aMaxWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMinHeight(nsString& aMinHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMinWidth(nsString& aMinWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOrphans(nsString& aOrphans)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutline(nsString& aOutline)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutlineColor(nsString& aOutlineColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutlineStyle(nsString& aOutlineStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutlineWidth(nsString& aOutlineWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOverflow(nsString& aOverflow)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPadding(nsString& aPadding)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingTop(nsString& aPaddingTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingRight(nsString& aPaddingRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingBottom(nsString& aPaddingBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingLeft(nsString& aPaddingLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPage(nsString& aPage)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPageBreakAfter(nsString& aPageBreakAfter)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPageBreakBefore(nsString& aPageBreakBefore)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPageBreakInside(nsString& aPageBreakInside)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPause(nsString& aPause)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPauseAfter(nsString& aPauseAfter)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPauseBefore(nsString& aPauseBefore)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPitch(nsString& aPitch)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPitchRange(nsString& aPitchRange)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPlayDuring(nsString& aPlayDuring)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPosition(nsString& aPosition)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetQuotes(nsString& aQuotes)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetRichness(nsString& aRichness)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetRight(nsString& aRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSize(nsString& aSize)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeak(nsString& aSpeak)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeakHeader(nsString& aSpeakHeader)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeakNumeral(nsString& aSpeakNumeral)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeakPunctuation(nsString& aSpeakPunctuation)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeechRate(nsString& aSpeechRate)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetStress(nsString& aStress)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTableLayout(nsString& aTableLayout)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextAlign(nsString& aTextAlign)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextDecoration(nsString& aTextDecoration)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextIndent(nsString& aTextIndent)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextShadow(nsString& aTextShadow)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextTransform(nsString& aTextTransform)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTop(nsString& aTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetUnicodeBidi(nsString& aUnicodeBidi)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVerticalAlign(nsString& aVerticalAlign)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVisibility(nsString& aVisibility)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVoiceFamily(nsString& aVoiceFamily)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVolume(nsString& aVolume)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWhiteSpace(nsString& aWhiteSpace)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWidows(nsString& aWidows)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWidth(nsString& aWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWordSpacing(nsString& aWordSpacing)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetZIndex(nsString& aZIndex)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOpacity(nsString& aOpacity)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
diff --git a/mozilla/layout/style/nsComputedDOMStyle.cpp b/mozilla/layout/style/nsComputedDOMStyle.cpp
new file mode 100644
index 00000000000..ff4caac19ab
--- /dev/null
+++ b/mozilla/layout/style/nsComputedDOMStyle.cpp
@@ -0,0 +1,1732 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape 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/NPL/
+ *
+ * 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 Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+
+#include "nsIComputedDOMStyle.h"
+#include "nsIPresShell.h"
+#include "nsIContent.h"
+#include "nsIFrame.h"
+#include "nsIDOMElement.h"
+#include "nsIStyleContext.h"
+#include "nsIScriptObjectOwner.h"
+
+#include "nsCOMPtr.h"
+#include "nsDOMError.h"
+
+
+class nsComputedDOMStyle : public nsIComputedDOMStyle,
+                           public nsIScriptObjectOwner
+{
+public:
+  NS_DECL_ISUPPORTS
+
+  // nsIComputedDOMStyle
+  NS_IMETHOD Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
+                  nsIPresShell *aPresShell);
+
+  // nsIDOMCSS2Properties
+  NS_DECL_IDOMCSS2PROPERTIES
+
+  // nsIDOMCSSStyleDeclaration
+  NS_DECL_IDOMCSSSTYLEDECLARATION
+
+  // nsIScriptObjectOwner
+  NS_IMETHOD GetScriptObject(nsIScriptContext *aContext, void** aScriptObject);
+  NS_IMETHOD SetScriptObject(void* aScriptObject);
+
+  // nsComputedDOMStyle
+  nsComputedDOMStyle();
+  virtual ~nsComputedDOMStyle();
+
+private:
+  nsCOMPtr<nsIPresShell> mPresShell;
+  nsCOMPtr<nsIContent> mContent;
+  nsString mPseudo;
+  void* mScriptObject;
+};
+
+nsresult
+NS_NewComputedDOMStyle(nsIComputedDOMStyle** aComputedStyle)
+{
+  NS_ENSURE_ARG_POINTER(aComputedStyle);
+
+  *aComputedStyle = new nsComputedDOMStyle();
+  NS_ENSURE_TRUE(*aComputedStyle, NS_ERROR_OUT_OF_MEMORY);
+
+  NS_ADDREF(*aComputedStyle);
+
+  return NS_OK;
+}
+
+
+nsComputedDOMStyle::nsComputedDOMStyle() : mScriptObject(nsnull)
+{
+  NS_INIT_REFCNT();
+}
+
+
+nsComputedDOMStyle::~nsComputedDOMStyle()
+{
+}
+
+
+NS_IMPL_ADDREF(nsComputedDOMStyle);
+NS_IMPL_RELEASE(nsComputedDOMStyle);
+
+
+NS_INTERFACE_MAP_BEGIN(nsComputedDOMStyle)
+   NS_INTERFACE_MAP_ENTRY(nsIComputedDOMStyle)
+   NS_INTERFACE_MAP_ENTRY(nsIDOMCSS2Properties)
+   NS_INTERFACE_MAP_ENTRY(nsIDOMCSSStyleDeclaration)
+   NS_INTERFACE_MAP_ENTRY(nsIScriptObjectOwner)
+   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIComputedDOMStyle)
+NS_INTERFACE_MAP_END
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetScriptObject(nsIScriptContext *aContext, 
+                                  void** aScriptObject)
+{
+  nsresult res = NS_OK;
+
+  if (!mScriptObject) {
+    nsISupports *supports = NS_STATIC_CAST(nsIComputedDOMStyle *, this);
+
+    // XXX Should be done through factory
+    res = NS_NewScriptCSS2Properties(aContext, supports, mContent,
+                                     &mScriptObject);
+  }
+
+  *aScriptObject = mScriptObject;
+
+  return res;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetScriptObject(void* aScriptObject)
+{
+  mScriptObject = aScriptObject;
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
+                         nsIPresShell *aPresShell)
+{
+  NS_ENSURE_ARG_POINTER(aElement);
+  NS_ENSURE_ARG_POINTER(aPresShell);
+
+  mPresShell = aPresShell;
+
+  mContent = do_QueryInterface(aElement);
+  if (!mContent) {
+    // This should not happen, all our elements support nsIContent!
+    return NS_ERROR_FAILURE;
+  }
+
+  mPseudo = aPseudoElt;
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCssText(nsString& aCssText)
+{
+  aCssText.Truncate();
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCssText(const nsString& aCssText)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLength(PRUint32* aLength)
+{
+  NS_ENSURE_ARG_POINTER(aLength);
+  *aLength = 0;
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetParentRule(nsIDOMCSSRule** aParentRule)
+{
+  NS_ENSURE_ARG_POINTER(aParentRule);
+  *aParentRule = nsnull;
+
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPropertyValue(const nsString& aPropertyName,
+                                     nsString& aReturn)
+{
+  // TBI
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPropertyCSSValue(const nsString& aPropertyName,
+                                        nsIDOMCSSValue** aReturn)
+{
+  NS_ENSURE_ARG_POINTER(aReturn);
+  *aReturn = nsnull;
+
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::RemoveProperty(const nsString& aPropertyName,
+                                   nsString& aReturn)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPropertyPriority(const nsString& aPropertyName,
+                                        nsString& aReturn)
+{
+  aReturn.Truncate();
+  return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetProperty(const nsString& aPropertyName,
+                                const nsString& aValue,
+                                const nsString& aPriority)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+NS_IMETHODIMP
+nsComputedDOMStyle::Item(PRUint32 aIndex, nsString& aReturn)
+{
+  aReturn.Truncate();
+  return NS_OK;
+}
+
+
+// nsIDOMCSS2Properties
+
+NS_IMETHODIMP 
+nsComputedDOMStyle::SetAzimuth(const nsString& aAzimuth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackground(const nsString& aBackground)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundAttachment(const nsString& aBackgroundAttachment)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundColor(const nsString& aBackgroundColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundImage(const nsString& aBackgroundImage)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundPosition(const nsString& aBackgroundPosition)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBackgroundRepeat(const nsString& aBackgroundRepeat)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBehavior(const nsString& aBehavior)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorder(const nsString& aBorder)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderCollapse(const nsString& aBorderCollapse)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderColor(const nsString& aBorderColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderSpacing(const nsString& aBorderSpacing)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderStyle(const nsString& aBorderStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTop(const nsString& aBorderTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRight(const nsString& aBorderRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottom(const nsString& aBorderBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeft(const nsString& aBorderLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTopColor(const nsString& aBorderTopColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRightColor(const nsString& aBorderRightColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottomColor(const nsString& aBorderBottomColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeftColor(const nsString& aBorderLeftColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTopStyle(const nsString& aBorderTopStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRightStyle(const nsString& aBorderRightStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottomStyle(const nsString& aBorderBottomStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeftStyle(const nsString& aBorderLeftStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderTopWidth(const nsString& aBorderTopWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderRightWidth(const nsString& aBorderRightWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderBottomWidth(const nsString& aBorderBottomWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderLeftWidth(const nsString& aBorderLeftWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBorderWidth(const nsString& aBorderWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetBottom(const nsString& aBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCaptionSide(const nsString& aCaptionSide)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetClear(const nsString& aClear)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetClip(const nsString& aClip)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetColor(const nsString& aColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetContent(const nsString& aContent)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCounterIncrement(const nsString& aCounterIncrement)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCounterReset(const nsString& aCounterReset)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCssFloat(const nsString& aCssFloat)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCue(const nsString& aCue)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCueAfter(const nsString& aCueAfter)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCueBefore(const nsString& aCueBefore)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetCursor(const nsString& aCursor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetDirection(const nsString& aDirection)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetDisplay(const nsString& aDisplay)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetElevation(const nsString& aElevation)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetEmptyCells(const nsString& aEmptyCells)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFont(const nsString& aFont)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontFamily(const nsString& aFontFamily)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontSize(const nsString& aFontSize)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontSizeAdjust(const nsString& aFontSizeAdjust)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontStretch(const nsString& aFontStretch)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontStyle(const nsString& aFontStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontVariant(const nsString& aFontVariant)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetFontWeight(const nsString& aFontWeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetHeight(const nsString& aHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetLeft(const nsString& aLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetLetterSpacing(const nsString& aLetterSpacing)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetLineHeight(const nsString& aLineHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStyle(const nsString& aListStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStyleImage(const nsString& aListStyleImage)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStylePosition(const nsString& aListStylePosition)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetListStyleType(const nsString& aListStyleType)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMargin(const nsString& aMargin)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginTop(const nsString& aMarginTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginRight(const nsString& aMarginRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginBottom(const nsString& aMarginBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarginLeft(const nsString& aMarginLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarkerOffset(const nsString& aMarkerOffset)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMarks(const nsString& aMarks)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMaxHeight(const nsString& aMaxHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMaxWidth(const nsString& aMaxWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMinHeight(const nsString& aMinHeight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetMinWidth(const nsString& aMinWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOrphans(const nsString& aOrphans)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutline(const nsString& aOutline)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutlineColor(const nsString& aOutlineColor)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutlineStyle(const nsString& aOutlineStyle)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOutlineWidth(const nsString& aOutlineWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetOverflow(const nsString& aOverflow)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPadding(const nsString& aPadding)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingTop(const nsString& aPaddingTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingRight(const nsString& aPaddingRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingBottom(const nsString& aPaddingBottom)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPaddingLeft(const nsString& aPaddingLeft)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPage(const nsString& aPage)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPageBreakAfter(const nsString& aPageBreakAfter)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPageBreakBefore(const nsString& aPageBreakBefore)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPageBreakInside(const nsString& aPageBreakInside)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPause(const nsString& aPause)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPauseAfter(const nsString& aPauseAfter)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPauseBefore(const nsString& aPauseBefore)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPitch(const nsString& aPitch)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPitchRange(const nsString& aPitchRange)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPlayDuring(const nsString& aPlayDuring)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetPosition(const nsString& aPosition)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetQuotes(const nsString& aQuotes)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetRichness(const nsString& aRichness)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetRight(const nsString& aRight)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSize(const nsString& aSize)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeak(const nsString& aSpeak)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeakHeader(const nsString& aSpeakHeader)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeakNumeral(const nsString& aSpeakNumeral)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeakPunctuation(const nsString& aSpeakPunctuation)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetSpeechRate(const nsString& aSpeechRate)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetStress(const nsString& aStress)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTableLayout(const nsString& aTableLayout)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextAlign(const nsString& aTextAlign)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextDecoration(const nsString& aTextDecoration)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextIndent(const nsString& aTextIndent)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextShadow(const nsString& aTextShadow)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTextTransform(const nsString& aTextTransform)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetTop(const nsString& aTop)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetUnicodeBidi(const nsString& aUnicodeBidi)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVerticalAlign(const nsString& aVerticalAlign)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVisibility(const nsString& aVisibility)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVoiceFamily(const nsString& aVoiceFamily)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetVolume(const nsString& aVolume)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWhiteSpace(const nsString& aWhiteSpace)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWidows(const nsString& aWidows)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWidth(const nsString& aWidth)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetWordSpacing(const nsString& aWordSpacing)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::SetZIndex(const nsString& aZIndex)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+NS_IMETHODIMP 
+nsComputedDOMStyle::SetOpacity(const nsString& aOpacity)
+{
+  return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
+}
+
+
+// Property getters
+
+NS_IMETHODIMP 
+nsComputedDOMStyle::GetAzimuth(nsString& aAzimuth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackground(nsString& aBackground)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundAttachment(nsString& aBackgroundAttachment)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundColor(nsString& aBackgroundColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundImage(nsString& aBackgroundImage)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundPosition(nsString& aBackgroundPosition)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBackgroundRepeat(nsString& aBackgroundRepeat)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBehavior(nsString& aBehavior)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorder(nsString& aBorder)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderCollapse(nsString& aBorderCollapse)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderColor(nsString& aBorderColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderSpacing(nsString& aBorderSpacing)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderStyle(nsString& aBorderStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTop(nsString& aBorderTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRight(nsString& aBorderRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottom(nsString& aBorderBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeft(nsString& aBorderLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTopColor(nsString& aBorderTopColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRightColor(nsString& aBorderRightColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottomColor(nsString& aBorderBottomColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeftColor(nsString& aBorderLeftColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTopStyle(nsString& aBorderTopStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRightStyle(nsString& aBorderRightStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottomStyle(nsString& aBorderBottomStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeftStyle(nsString& aBorderLeftStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderTopWidth(nsString& aBorderTopWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderRightWidth(nsString& aBorderRightWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderBottomWidth(nsString& aBorderBottomWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderLeftWidth(nsString& aBorderLeftWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBorderWidth(nsString& aBorderWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetBottom(nsString& aBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCaptionSide(nsString& aCaptionSide)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetClear(nsString& aClear)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetClip(nsString& aClip)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetColor(nsString& aColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetContent(nsString& aContent)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCounterIncrement(nsString& aCounterIncrement)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCounterReset(nsString& aCounterReset)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCssFloat(nsString& aCssFloat)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCue(nsString& aCue)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCueAfter(nsString& aCueAfter)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCueBefore(nsString& aCueBefore)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetCursor(nsString& aCursor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetDirection(nsString& aDirection)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetDisplay(nsString& aDisplay)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetElevation(nsString& aElevation)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetEmptyCells(nsString& aEmptyCells)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFont(nsString& aFont)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontFamily(nsString& aFontFamily)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontSize(nsString& aFontSize)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontSizeAdjust(nsString& aFontSizeAdjust)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontStretch(nsString& aFontStretch)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontStyle(nsString& aFontStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontVariant(nsString& aFontVariant)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetFontWeight(nsString& aFontWeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetHeight(nsString& aHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLeft(nsString& aLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLetterSpacing(nsString& aLetterSpacing)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetLineHeight(nsString& aLineHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStyle(nsString& aListStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStyleImage(nsString& aListStyleImage)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStylePosition(nsString& aListStylePosition)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetListStyleType(nsString& aListStyleType)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMargin(nsString& aMargin)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginTop(nsString& aMarginTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginRight(nsString& aMarginRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginBottom(nsString& aMarginBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarginLeft(nsString& aMarginLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarkerOffset(nsString& aMarkerOffset)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMarks(nsString& aMarks)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMaxHeight(nsString& aMaxHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMaxWidth(nsString& aMaxWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMinHeight(nsString& aMinHeight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetMinWidth(nsString& aMinWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOrphans(nsString& aOrphans)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutline(nsString& aOutline)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutlineColor(nsString& aOutlineColor)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutlineStyle(nsString& aOutlineStyle)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOutlineWidth(nsString& aOutlineWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOverflow(nsString& aOverflow)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPadding(nsString& aPadding)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingTop(nsString& aPaddingTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingRight(nsString& aPaddingRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingBottom(nsString& aPaddingBottom)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPaddingLeft(nsString& aPaddingLeft)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPage(nsString& aPage)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPageBreakAfter(nsString& aPageBreakAfter)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPageBreakBefore(nsString& aPageBreakBefore)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPageBreakInside(nsString& aPageBreakInside)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPause(nsString& aPause)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPauseAfter(nsString& aPauseAfter)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPauseBefore(nsString& aPauseBefore)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPitch(nsString& aPitch)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPitchRange(nsString& aPitchRange)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPlayDuring(nsString& aPlayDuring)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetPosition(nsString& aPosition)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetQuotes(nsString& aQuotes)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetRichness(nsString& aRichness)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetRight(nsString& aRight)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSize(nsString& aSize)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeak(nsString& aSpeak)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeakHeader(nsString& aSpeakHeader)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeakNumeral(nsString& aSpeakNumeral)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeakPunctuation(nsString& aSpeakPunctuation)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetSpeechRate(nsString& aSpeechRate)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetStress(nsString& aStress)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTableLayout(nsString& aTableLayout)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextAlign(nsString& aTextAlign)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextDecoration(nsString& aTextDecoration)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextIndent(nsString& aTextIndent)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextShadow(nsString& aTextShadow)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTextTransform(nsString& aTextTransform)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetTop(nsString& aTop)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetUnicodeBidi(nsString& aUnicodeBidi)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVerticalAlign(nsString& aVerticalAlign)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVisibility(nsString& aVisibility)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVoiceFamily(nsString& aVoiceFamily)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetVolume(nsString& aVolume)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWhiteSpace(nsString& aWhiteSpace)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWidows(nsString& aWidows)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWidth(nsString& aWidth)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetWordSpacing(nsString& aWordSpacing)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetZIndex(nsString& aZIndex)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
+NS_IMETHODIMP
+nsComputedDOMStyle::GetOpacity(nsString& aOpacity)
+{
+  return NS_ERROR_DOM_NOT_SUPPORTED_ERR;
+}
+
diff --git a/mozilla/layout/style/nsIComputedDOMStyle.h b/mozilla/layout/style/nsIComputedDOMStyle.h
new file mode 100644
index 00000000000..7ce149b7cad
--- /dev/null
+++ b/mozilla/layout/style/nsIComputedDOMStyle.h
@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape 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/NPL/
+ *
+ * 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 Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1999 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s): 
+ */
+#ifndef nsIComputedDOMStyle_h___
+#define nsIComputedDOMStyle_h___
+
+#include "nslayout.h"
+#include "nsIDOMCSS2Properties.h"
+
+class nsIDOMElement;
+class nsIPresShell;
+
+#define NS_ICOMPUTEDDOMSTYLE_IID \
+ { 0x5f0197a1, 0xa873, 0x44e5, \
+    {0x96, 0x31, 0xac, 0xd6, 0xca, 0xb4, 0xf1, 0xe0 } }
+
+class nsIComputedDOMStyle : public nsIDOMCSS2Properties
+{
+public:
+  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICOMPUTEDDOMSTYLE_IID)
+
+  NS_IMETHOD Init(nsIDOMElement *aElement, const nsString& aPseudoElt,
+                  nsIPresShell *aPresShell) = 0;
+};
+
+extern NS_HTML nsresult 
+NS_NewComputedDOMStyle(nsIComputedDOMStyle** aComputedStyle);
+
+#endif /* nsIComputedDOMStyle_h___ */