diff --git a/mozilla/content/html/document/src/nsHTMLDocument.cpp b/mozilla/content/html/document/src/nsHTMLDocument.cpp
index 9ab9b3c12ee..1cc0eb180fd 100644
--- a/mozilla/content/html/document/src/nsHTMLDocument.cpp
+++ b/mozilla/content/html/document/src/nsHTMLDocument.cpp
@@ -1842,9 +1842,9 @@ nsHTMLDocument::Open(JSContext *cx, jsval *argv, PRUint32 argc)
 #define NS_GENERATE_PARSER_KEY() (void*)((mIsWriting << 31) | (mWriteLevel & 0x7fffffff))
 
 NS_IMETHODIMP    
-nsHTMLDocument::Clear()
+nsHTMLDocument::Clear(JSContext* cx, jsval* argv, PRUint32 argc)
 {
-  return Open();
+  return Open(cx, argv, argc);
 }
 
 NS_IMETHODIMP    
diff --git a/mozilla/dom/public/html/nsIDOMNSHTMLDocument.h b/mozilla/dom/public/html/nsIDOMNSHTMLDocument.h
index 16f061eccdf..7885c0debc2 100644
--- a/mozilla/dom/public/html/nsIDOMNSHTMLDocument.h
+++ b/mozilla/dom/public/html/nsIDOMNSHTMLDocument.h
@@ -72,7 +72,7 @@ public:
 
   NS_IMETHOD    Writeln(JSContext* cx, jsval* argv, PRUint32 argc)=0;
 
-  NS_IMETHOD    Clear()=0;
+  NS_IMETHOD    Clear(JSContext* cx, jsval* argv, PRUint32 argc)=0;
 
   NS_IMETHOD    CaptureEvents(PRInt32 aEventFlags)=0;
 
@@ -101,7 +101,7 @@ public:
   NS_IMETHOD    Open(JSContext* cx, jsval* argv, PRUint32 argc);  \
   NS_IMETHOD    Write(JSContext* cx, jsval* argv, PRUint32 argc);  \
   NS_IMETHOD    Writeln(JSContext* cx, jsval* argv, PRUint32 argc);  \
-  NS_IMETHOD    Clear();  \
+  NS_IMETHOD    Clear(JSContext* cx, jsval* argv, PRUint32 argc);  \
   NS_IMETHOD    CaptureEvents(PRInt32 aEventFlags);  \
   NS_IMETHOD    ReleaseEvents(PRInt32 aEventFlags);  \
   NS_IMETHOD    RouteEvent(nsIDOMEvent* aEvt);  \
@@ -127,7 +127,7 @@ public:
   NS_IMETHOD    Open(JSContext* cx, jsval* argv, PRUint32 argc) { return _to Open(cx, argv, argc); }  \
   NS_IMETHOD    Write(JSContext* cx, jsval* argv, PRUint32 argc) { return _to Write(cx, argv, argc); }  \
   NS_IMETHOD    Writeln(JSContext* cx, jsval* argv, PRUint32 argc) { return _to Writeln(cx, argv, argc); }  \
-  NS_IMETHOD    Clear() { return _to Clear(); }  \
+  NS_IMETHOD    Clear(JSContext* cx, jsval* argv, PRUint32 argc) { return _to Clear(cx, argv, argc); }  \
   NS_IMETHOD    CaptureEvents(PRInt32 aEventFlags) { return _to CaptureEvents(aEventFlags); }  \
   NS_IMETHOD    ReleaseEvents(PRInt32 aEventFlags) { return _to ReleaseEvents(aEventFlags); }  \
   NS_IMETHOD    RouteEvent(nsIDOMEvent* aEvt) { return _to RouteEvent(aEvt); }  \
diff --git a/mozilla/dom/public/idl/html/HTMLDocument.idl b/mozilla/dom/public/idl/html/HTMLDocument.idl
index 209a673e04c..8c1746b55ad 100644
--- a/mozilla/dom/public/idl/html/HTMLDocument.idl
+++ b/mozilla/dom/public/idl/html/HTMLDocument.idl
@@ -42,7 +42,7 @@
      void                      open(/* ... */);
      void                      write(/* ... */);
      void                      writeln(/* ... */);
-     void                      clear();
+     void                      clear(/* ... */);
 
      void captureEvents(in long eventFlags);
      void releaseEvents(in long eventFlags);
diff --git a/mozilla/dom/src/html/nsJSHTMLDocument.cpp b/mozilla/dom/src/html/nsJSHTMLDocument.cpp
index 914c0c9173f..48197d9befd 100644
--- a/mozilla/dom/src/html/nsJSHTMLDocument.cpp
+++ b/mozilla/dom/src/html/nsJSHTMLDocument.cpp
@@ -1190,7 +1190,7 @@ NSHTMLDocumentClear(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval
   }
 
 
-    result = nativeThis->Clear();
+    result = nativeThis->Clear(cx, argv+0, argc-0);
     if (NS_FAILED(result)) {
       return nsJSUtils::nsReportError(cx, obj, result);
     }
diff --git a/mozilla/layout/html/document/src/nsHTMLDocument.cpp b/mozilla/layout/html/document/src/nsHTMLDocument.cpp
index 9ab9b3c12ee..1cc0eb180fd 100644
--- a/mozilla/layout/html/document/src/nsHTMLDocument.cpp
+++ b/mozilla/layout/html/document/src/nsHTMLDocument.cpp
@@ -1842,9 +1842,9 @@ nsHTMLDocument::Open(JSContext *cx, jsval *argv, PRUint32 argc)
 #define NS_GENERATE_PARSER_KEY() (void*)((mIsWriting << 31) | (mWriteLevel & 0x7fffffff))
 
 NS_IMETHODIMP    
-nsHTMLDocument::Clear()
+nsHTMLDocument::Clear(JSContext* cx, jsval* argv, PRUint32 argc)
 {
-  return Open();
+  return Open(cx, argv, argc);
 }
 
 NS_IMETHODIMP