diff --git a/include/mshtmdid.h b/include/mshtmdid.h
index 01a2f5ab262..e16bf9e9ba3 100644
--- a/include/mshtmdid.h
+++ b/include/mshtmdid.h
@@ -119,6 +119,7 @@
 #define DISPID_DOMRANGE         DISPID_NORMAL_FIRST
 #define DISPID_MEDIA            DISPID_NORMAL_FIRST
 #define DISPID_STYLEMEDIA       DISPID_NORMAL_FIRST
+#define DISPID_DOCUMENTTYPE     DISPID_NORMAL_FIRST
 
 #define DISPID_DOMEVENT                           DISPID_NORMAL_FIRST
 #define DISPID_DOMUIEVENT                         (DISPID_DOMEVENT+25)
@@ -3203,9 +3204,23 @@
 #define DISPID_IHTMLRENDERSTYLE_DEFAULTTEXTSELECTION  DISPID_A_DEFAULTTEXTSELECTION
 #define DISPID_IHTMLRENDERSTYLE_TEXTDECORATION        DISPID_A_STYLETEXTDECORATION
 
+/* IDOMDocumentType */
+#define DISPID_IDOMDOCUMENTTYPE_NAME            DISPID_DOCUMENTTYPE
+#define DISPID_IDOMDOCUMENTTYPE_ENTITIES        DISPID_DOCUMENTTYPE+1
+#define DISPID_IDOMDOCUMENTTYPE_NOTATIONS       DISPID_DOCUMENTTYPE+2
+#define DISPID_IDOMDOCUMENTTYPE_PUBLICID        DISPID_DOCUMENTTYPE+3
+#define DISPID_IDOMDOCUMENTTYPE_SYSTEMID        DISPID_DOCUMENTTYPE+4
+#define DISPID_IDOMDOCUMENTTYPE_INTERNALSUBSET  DISPID_DOCUMENTTYPE+5
+
 /* IHTMLDOMImplementation */
 #define DISPID_IHTMLDOMIMPLEMENTATION_HASFEATURE  DISPID_DOMIMPLEMENTATION
 
+/* IHTMLDOMImplementation2 */
+#define DISPID_IHTMLDOMIMPLEMENTATION2_CREATEDOCUMENTTYPE  DISPID_DOMIMPLEMENTATION+1
+#define DISPID_IHTMLDOMIMPLEMENTATION2_CREATEDOCUMENT      DISPID_DOMIMPLEMENTATION+2
+#define DISPID_IHTMLDOMIMPLEMENTATION2_CREATEHTMLDOCUMENT  DISPID_DOMIMPLEMENTATION+3
+#define DISPID_IHTMLDOMIMPLEMENTATION2_IE9_HASFEATURE      DISPID_DOMIMPLEMENTATION+4
+
 /* IHTMLDOMAttribute */
 #define DISPID_IHTMLDOMATTRIBUTE_NODENAME   DISPID_DOMATTRIBUTE
 #define DISPID_IHTMLDOMATTRIBUTE_NODEVALUE  DISPID_DOMATTRIBUTE+2
diff --git a/include/mshtml.idl b/include/mshtml.idl
index b92955c6cc9..cb80073f8e3 100644
--- a/include/mshtml.idl
+++ b/include/mshtml.idl
@@ -246,6 +246,7 @@ interface IHTMLDOMConstructor : IDispatch
     IDispatch *constructor()
 
 interface IHTMLDocument2;
+interface IHTMLDocument7;
 interface IHTMLElement2;
 interface IHTMLStyleSheetsCollection;
 interface IHTMLFrameBase;
@@ -5987,6 +5988,36 @@ coclass HTMLDOMTextNode
                         interface IHTMLDOMNode2;
 }
 
+/*****************************************************************************
+ *    IDOMDocumentType interface
+ */
+[
+    odl,
+    oleautomation,
+    dual,
+    uuid(30510738-98b5-11cf-bb82-00aa00bdce0b)
+ ]
+interface IDOMDocumentType : IDispatch
+{
+    [propget, id(DISPID_IDOMDOCUMENTTYPE_NAME)]
+    HRESULT name([out, retval] BSTR *p);
+
+    [propget, id(DISPID_IDOMDOCUMENTTYPE_ENTITIES)]
+    HRESULT entities([out, retval] IDispatch **p);
+
+    [propget, id(DISPID_IDOMDOCUMENTTYPE_NOTATIONS)]
+    HRESULT notations([out, retval] IDispatch **p);
+
+    [propget, id(DISPID_IDOMDOCUMENTTYPE_PUBLICID)]
+    HRESULT publicId([out, retval] VARIANT *p);
+
+    [propget, id(DISPID_IDOMDOCUMENTTYPE_SYSTEMID)]
+    HRESULT systemId([out, retval] VARIANT *p);
+
+    [propget, id(DISPID_IDOMDOCUMENTTYPE_INTERNALSUBSET)]
+    HRESULT internalSubset([out, retval] VARIANT *p);
+}
+
 /*****************************************************************************
  *    IHTMLDOMImplementation interface
  */
@@ -6005,6 +6036,83 @@ interface IHTMLDOMImplementation : IDispatch
         [retval, out] VARIANT_BOOL *pfHasFeature);
 }
 
+/*****************************************************************************
+ *    IHTMLDOMImplementation2 interface
+ */
+[
+    odl,
+    oleautomation,
+    dual,
+    uuid(3051073c-98b5-11cf-bb82-00aa00bdce0b)
+    ]
+interface IHTMLDOMImplementation2 : IDispatch
+{
+    [id(DISPID_IHTMLDOMIMPLEMENTATION2_CREATEDOCUMENTTYPE)]
+    HRESULT createDocumentType(
+        [in] BSTR bstrQualifiedName,
+        [in] VARIANT *pvarPublicId,
+        [in] VARIANT *pvarSystemId,
+        [out, retval] IDOMDocumentType **newDocumentType);
+
+    [id(DISPID_IHTMLDOMIMPLEMENTATION2_CREATEDOCUMENT)]
+    HRESULT createDocument(
+        [in] VARIANT *pvarNS,
+        [in] VARIANT *pvarTagName,
+        [in] IDOMDocumentType *pDocumentType,
+        [out, retval] IHTMLDocument7 **ppnewDocument);
+
+    [id(DISPID_IHTMLDOMIMPLEMENTATION2_CREATEHTMLDOCUMENT)]
+    HRESULT createHTMLDocument(
+        [in] BSTR bstrTitle,
+        [out, retval] IHTMLDocument7 **ppnewDocument);
+
+    [id(DISPID_IHTMLDOMIMPLEMENTATION2_IE9_HASFEATURE)]
+    HRESULT hasFeature(
+        [in] BSTR bstrfeature,
+        [in, optional] VARIANT version,
+        [out, retval] VARIANT_BOOL *pfHasFeature);
+}
+
+/*****************************************************************************
+ *    DispHTMLDOMImplementation dispinterface
+ */
+[
+    hidden,
+    uuid(3050f58f-98b5-11cf-bb82-00aa00bdce0b)
+]
+dispinterface DispHTMLDOMImplementation
+{
+properties:
+methods:
+    [id(DISPID_IHTMLDOMIMPLEMENTATION_HASFEATURE)]
+    VARIANT_BOOL hasFeature(
+        [in] BSTR bstrfeature,
+        [in, optional] VARIANT version);
+
+    [id(DISPID_IHTMLDOMIMPLEMENTATION2_CREATEDOCUMENTTYPE)]
+    IDOMDocumentType *createDocumentType(
+        [in] BSTR bstrQualifiedName,
+        [in] VARIANT *pvarPublicId,
+        [in] VARIANT *pvarSystemId);
+
+    [id(DISPID_IHTMLDOMIMPLEMENTATION2_CREATEDOCUMENT)]
+    IHTMLDocument7 *createDocument(
+        [in] VARIANT *pvarNS,
+        [in] VARIANT *pvarTagName,
+        [in] IDOMDocumentType *pDocumentType);
+
+    [id(DISPID_IHTMLDOMIMPLEMENTATION2_CREATEHTMLDOCUMENT)]
+    IHTMLDocument7 *createHTMLDocument([in] BSTR bstrTitle);
+
+    [id(DISPID_IHTMLDOMIMPLEMENTATION2_IE9_HASFEATURE)]
+    VARIANT_BOOL ie9_hasFeature(
+        [in] BSTR bstrfeature,
+        [in, optional] VARIANT version);
+
+    [propget, id(DISPID_IHTMLDOMCONSTRUCTOR_CONSTRUCTOR), hidden]
+    IDispatch *constructor();
+}
+
 /*****************************************************************************
  *    DispHTMLDOMAttribute dispinterface
  */