diff --git a/mozilla/webshell/public/nsIClipboardCommands.idl b/mozilla/webshell/public/nsIClipboardCommands.idl
new file mode 100644
index 00000000000..8115947d339
--- /dev/null
+++ b/mozilla/webshell/public/nsIClipboardCommands.idl
@@ -0,0 +1,66 @@
+/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is the Mozilla browser.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications, Inc.  Portions created by Netscape are
+ * Copyright (C) 1999, Mozilla.  All Rights Reserved.
+ * 
+ * Contributor(s):
+ */
+
+#include "nsISupports.idl"
+
+[scriptable, uuid(b8100c90-73be-11d2-92a5-00105a1b0d64)]
+interface nsIClipboardCommands : nsISupports {
+	/**
+	 * Returns whether there is a selection and it is not read-only.
+	 */
+	boolean canCutSelection();
+
+	/**
+	 * Returns whether there is a selection and it is copyable.
+	 */
+	boolean canCopySelection();
+
+	/**
+	 * Returns whether the current contents of the clipboard can be
+	 * pasted and if the current selection is not read-only.
+	 */
+	boolean canPasteSelection();
+
+	/**
+	 * Cut the current selection onto the clipboard.
+	 */
+	boolean cutSelection();
+
+	/**
+	 * Copy the current selection onto the clipboard.
+	 */
+	void copySelection();
+
+	/**
+	 * Paste the contents of the clipboard into the current selection.
+	 */
+	void pasteSelection();
+
+	/**
+	 * Select the entire contents.
+	 */
+	void selectAll();
+
+	/**
+	 * Clear the current selection (if any).
+	 */
+	void selectNone();
+};
diff --git a/mozilla/webshell/public/nsIContentViewerContainer.idl b/mozilla/webshell/public/nsIContentViewerContainer.idl
new file mode 100644
index 00000000000..6d68c38bd3f
--- /dev/null
+++ b/mozilla/webshell/public/nsIContentViewerContainer.idl
@@ -0,0 +1,29 @@
+/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is the Mozilla browser.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications, Inc.  Portions created by Netscape are
+ * Copyright (C) 1999, Mozilla.  All Rights Reserved.
+ * 
+ * Contributor(s):
+ */
+
+#include "nsISupports.idl"
+
+interface nsIContentViewer;
+
+[scriptable, uuid(ea2ce7a0-5c3d-11d4-90c2-0050041caf44)]
+interface nsIContentViewerContainer : nsISupports {
+	void embed(in nsIContentViewer aDocViewer, in string aCommand, in nsISupports aExtraInfo);
+};
diff --git a/mozilla/webshell/public/nsIContentViewerEdit.idl b/mozilla/webshell/public/nsIContentViewerEdit.idl
new file mode 100644
index 00000000000..dcf86120d86
--- /dev/null
+++ b/mozilla/webshell/public/nsIContentViewerEdit.idl
@@ -0,0 +1,55 @@
+/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is the Mozilla browser.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications, Inc.  Portions created by Netscape are
+ * Copyright (C) 1999, Mozilla.  All Rights Reserved.
+ * 
+ * Contributor(s):
+ */
+
+#include "nsISupports.idl"
+
+[scriptable, uuid(42d5215c-9bc7-11d3-bccc-0060b0fc76bd)]
+interface nsIContentViewerEdit : nsISupports {
+	/* void Search (); */
+	void search();
+
+	/* readonly attribute boolean searchable; */
+	readonly attribute boolean searchable;
+
+	/* void ClearSelection (); */
+	void clearSelection();
+
+	/* void SelectAll (); */
+	void selectAll();
+
+	/* void CopySelection (); */
+	void copySelection();
+
+	/* readonly attribute boolean copyable; */
+	readonly attribute boolean copyable;
+
+	/* void CutSelection (); */
+	void cutSelection();
+
+	/* readonly attribute boolean cutable; */
+	readonly attribute boolean cutable;
+
+	/* void Paste (); */
+	void paste();
+
+	/* readonly attribute boolean pasteable; */
+	readonly attribute boolean pasteable;
+};
diff --git a/mozilla/webshell/public/nsIRefreshURI.idl b/mozilla/webshell/public/nsIRefreshURI.idl
new file mode 100644
index 00000000000..11a5adaf85a
--- /dev/null
+++ b/mozilla/webshell/public/nsIRefreshURI.idl
@@ -0,0 +1,40 @@
+/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is the Mozilla browser.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications, Inc.  Portions created by Netscape are
+ * Copyright (C) 1999, Mozilla.  All Rights Reserved.
+ * 
+ * Contributor(s):
+ */
+
+#include "nsISupports.idl"
+#include "nsIURI.idl"
+
+[scriptable, uuid(69EFC430-2EFE-11d2-9E5D-006008BF092E)]
+interface nsIRefreshURI : nsISupports {
+    /**
+      * Reloads a uri after waiting millis milliseconds.
+      *
+      * @param uri The uri to refresh.
+      * @param millis The number of milliseconds to wait.
+      * @param repeat Do you want the uri to be repeatedly refreshed every millis milliseconds.
+      */
+	void refreshURI(in nsIURI aURI, in long aMillis, in boolean aRepeat);
+
+    /**
+      * Cancels all timer loads.
+      */
+	void cancelRefreshURITimers();
+};