diff --git a/dlls/mshtml/binding.h b/dlls/mshtml/binding.h
index 6d9ed8509e2..0b23af73998 100644
--- a/dlls/mshtml/binding.h
+++ b/dlls/mshtml/binding.h
@@ -107,7 +107,8 @@ HRESULT create_doc_uri(HTMLWindow*,WCHAR*,nsWineURI**) DECLSPEC_HIDDEN;
 HRESULT load_nsuri(HTMLWindow*,nsWineURI*,nsChannelBSC*,DWORD) DECLSPEC_HIDDEN;
 HRESULT set_moniker(HTMLDocument*,IMoniker*,IBindCtx*,nsChannelBSC*,BOOL) DECLSPEC_HIDDEN;
 void prepare_for_binding(HTMLDocument*,IMoniker*,BOOL) DECLSPEC_HIDDEN;
+HRESULT super_navigate(HTMLWindow*,IUri*,const WCHAR*,BYTE*,DWORD) DECLSPEC_HIDDEN;
 
-HRESULT create_channelbsc(IMoniker*,WCHAR*,BYTE*,DWORD,nsChannelBSC**) DECLSPEC_HIDDEN;
+HRESULT create_channelbsc(IMoniker*,const WCHAR*,BYTE*,DWORD,nsChannelBSC**) DECLSPEC_HIDDEN;
 HRESULT channelbsc_load_stream(nsChannelBSC*,IStream*) DECLSPEC_HIDDEN;
 void channelbsc_set_channel(nsChannelBSC*,nsChannel*,nsIStreamListener*,nsISupports*) DECLSPEC_HIDDEN;
diff --git a/dlls/mshtml/htmlwindow.c b/dlls/mshtml/htmlwindow.c
index 98fbc0b09c9..e9bb8eb0b63 100644
--- a/dlls/mshtml/htmlwindow.c
+++ b/dlls/mshtml/htmlwindow.c
@@ -1806,138 +1806,31 @@ static ULONG WINAPI HTMLPrivateWindow_Release(IHTMLPrivateWindow *iface)
     return IHTMLWindow2_Release(&This->IHTMLWindow2_iface);
 }
 
-typedef struct {
-    task_t header;
-    HTMLWindow *window;
-    IUri *uri;
-} navigate_javascript_task_t;
-
-static void navigate_javascript_proc(task_t *_task)
-{
-    navigate_javascript_task_t *task = (navigate_javascript_task_t*)_task;
-    HTMLWindow *window = task->window;
-    VARIANT v;
-    BSTR code;
-    HRESULT hres;
-
-    static const WCHAR jscriptW[] = {'j','s','c','r','i','p','t',0};
-
-    task->window->readystate = READYSTATE_COMPLETE;
-
-    hres = IUri_GetPath(task->uri, &code);
-    if(FAILED(hres))
-        return;
-
-    set_download_state(window->doc_obj, 1);
-
-    V_VT(&v) = VT_EMPTY;
-    hres = exec_script(window, code, jscriptW, &v);
-    SysFreeString(code);
-    if(SUCCEEDED(hres) && V_VT(&v) != VT_EMPTY) {
-        FIXME("javascirpt URL returned %s\n", debugstr_variant(&v));
-        VariantClear(&v);
-    }
-
-    if(window->doc_obj->view_sink)
-        IAdviseSink_OnViewChange(window->doc_obj->view_sink, DVASPECT_CONTENT, -1);
-
-    set_download_state(window->doc_obj, 0);
-}
-
-static void navigate_javascript_task_destr(task_t *_task)
-{
-    navigate_javascript_task_t *task = (navigate_javascript_task_t*)_task;
-
-    IUri_Release(task->uri);
-    heap_free(task);
-}
-
-typedef struct {
-    task_t header;
-    HTMLWindow *window;
-    nsChannelBSC *bscallback;
-    IMoniker *mon;
-} navigate_task_t;
-
-static void navigate_proc(task_t *_task)
-{
-    navigate_task_t *task = (navigate_task_t*)_task;
-    HRESULT hres;
-
-    hres = set_moniker(&task->window->doc_obj->basedoc, task->mon, NULL, task->bscallback, TRUE);
-    if(SUCCEEDED(hres))
-        hres = start_binding(task->window, NULL, (BSCallback*)task->bscallback, NULL);
-
-}
-
-static void navigate_task_destr(task_t *_task)
-{
-    navigate_task_t *task = (navigate_task_t*)_task;
-
-    IUnknown_Release((IUnknown*)task->bscallback);
-    IMoniker_Release(task->mon);
-    heap_free(task);
-}
-
 static HRESULT WINAPI HTMLPrivateWindow_SuperNavigate(IHTMLPrivateWindow *iface, BSTR url, BSTR arg2, BSTR arg3,
         BSTR arg4, VARIANT *post_data_var, VARIANT *headers_var, ULONG flags)
 {
     HTMLWindow *This = impl_from_IHTMLPrivateWindow(iface);
+    OLECHAR *translated_url = NULL;
     DWORD post_data_size = 0;
     BYTE *post_data = NULL;
     WCHAR *headers = NULL;
-    nsChannelBSC *bsc;
-    IMoniker *mon;
-    DWORD scheme;
-    BSTR new_url;
     IUri *uri;
     HRESULT hres;
 
     TRACE("(%p)->(%s %s %s %s %s %s %x)\n", This, debugstr_w(url), debugstr_w(arg2), debugstr_w(arg3), debugstr_w(arg4),
           debugstr_variant(post_data_var), debugstr_variant(headers_var), flags);
 
-    new_url = url;
     if(This->doc_obj->hostui) {
-        OLECHAR *translated_url = NULL;
-
         hres = IDocHostUIHandler_TranslateUrl(This->doc_obj->hostui, 0, url, &translated_url);
-        if(hres == S_OK && translated_url) {
-            new_url = SysAllocString(translated_url);
-            CoTaskMemFree(translated_url);
-        }
+        if(hres != S_OK)
+            translated_url = NULL;
     }
 
-    if(This->doc_obj->client) {
-        IOleCommandTarget *cmdtrg;
-
-        hres = IOleClientSite_QueryInterface(This->doc_obj->client, &IID_IOleCommandTarget, (void**)&cmdtrg);
-        if(SUCCEEDED(hres)) {
-            VARIANT in, out;
-
-            V_VT(&in) = VT_BSTR;
-            V_BSTR(&in) = new_url;
-            V_VT(&out) = VT_BOOL;
-            V_BOOL(&out) = VARIANT_TRUE;
-            hres = IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 67, 0, &in, &out);
-            IOleCommandTarget_Release(cmdtrg);
-            if(SUCCEEDED(hres))
-                VariantClear(&out);
-        }
-    }
-
-    hres = CreateUri(new_url, 0, 0, &uri);
-    if(new_url != url)
-        SysFreeString(new_url);
+    hres = CreateUri(translated_url ? translated_url : url, 0, 0, &uri);
+    CoTaskMemFree(translated_url);
     if(FAILED(hres))
         return hres;
 
-    hres = CreateURLMonikerEx2(NULL, uri, &mon, URL_MK_UNIFORM);
-    if(FAILED(hres))
-        return hres;
-
-    /* FIXME: Why not set_ready_state? */
-    This->readystate = READYSTATE_UNINITIALIZED;
-
     if(post_data_var) {
         if(V_VT(post_data_var) == (VT_ARRAY|VT_UI1)) {
             SafeArrayAccessData(V_ARRAY(post_data_var), (void**)&post_data);
@@ -1952,58 +1845,12 @@ static HRESULT WINAPI HTMLPrivateWindow_SuperNavigate(IHTMLPrivateWindow *iface,
         headers = V_BSTR(headers_var);
     }
 
-    hres = create_channelbsc(mon, headers, post_data, post_data_size, &bsc);
+    hres = super_navigate(This, uri, headers, post_data, post_data_size);
+    IUri_Release(uri);
     if(post_data)
         SafeArrayUnaccessData(V_ARRAY(post_data_var));
-    if(FAILED(hres)) {
-        IMoniker_Release(mon);
-        return hres;
-    }
 
-    prepare_for_binding(&This->doc_obj->basedoc, mon, TRUE);
-
-    hres = IUri_GetScheme(uri, &scheme);
-
-    if(scheme != URL_SCHEME_JAVASCRIPT) {
-        navigate_task_t *task;
-
-        IUri_Release(uri);
-
-        task = heap_alloc(sizeof(*task));
-        if(!task) {
-            IUnknown_Release((IUnknown*)bsc);
-            IMoniker_Release(mon);
-            return E_OUTOFMEMORY;
-        }
-
-        task->window = This;
-        task->bscallback = bsc;
-        task->mon = mon;
-        push_task(&task->header, navigate_proc, navigate_task_destr, This->task_magic);
-
-        /* Silently and repeated when real loading starts? */
-        This->readystate = READYSTATE_LOADING;
-    }else {
-        navigate_javascript_task_t *task;
-
-        IUnknown_Release((IUnknown*)bsc);
-        IMoniker_Release(mon);
-
-        task = heap_alloc(sizeof(*task));
-        if(!task) {
-            IUri_Release(uri);
-            return E_OUTOFMEMORY;
-        }
-
-        task->window = This;
-        task->uri = uri;
-        push_task(&task->header, navigate_javascript_proc, navigate_javascript_task_destr, This->task_magic);
-
-        /* Why silently? */
-        This->readystate = READYSTATE_COMPLETE;
-    }
-
-    return S_OK;
+    return hres;
 }
 
 static HRESULT WINAPI HTMLPrivateWindow_GetPendingUrl(IHTMLPrivateWindow *iface, BSTR *url)
diff --git a/dlls/mshtml/navigate.c b/dlls/mshtml/navigate.c
index a2ecd8b75bb..8f1b334374c 100644
--- a/dlls/mshtml/navigate.c
+++ b/dlls/mshtml/navigate.c
@@ -1531,7 +1531,7 @@ static const BSCallbackVtbl nsChannelBSCVtbl = {
     nsChannelBSC_beginning_transaction
 };
 
-HRESULT create_channelbsc(IMoniker *mon, WCHAR *headers, BYTE *post_data, DWORD post_data_size, nsChannelBSC **retval)
+HRESULT create_channelbsc(IMoniker *mon, const WCHAR *headers, BYTE *post_data, DWORD post_data_size, nsChannelBSC **retval)
 {
     nsChannelBSC *ret;
 
@@ -1609,6 +1609,8 @@ HRESULT async_start_doc_binding(HTMLWindow *window, nsChannelBSC *bscallback)
 {
     start_doc_binding_task_t *task;
 
+    TRACE("%p\n", bscallback);
+
     task = heap_alloc(sizeof(start_doc_binding_task_t));
     if(!task)
         return E_OUTOFMEMORY;
@@ -1692,6 +1694,164 @@ void channelbsc_set_channel(nsChannelBSC *This, nsChannel *channel, nsIStreamLis
     }
 }
 
+typedef struct {
+    task_t header;
+    HTMLWindow *window;
+    IUri *uri;
+} navigate_javascript_task_t;
+
+static void navigate_javascript_proc(task_t *_task)
+{
+    navigate_javascript_task_t *task = (navigate_javascript_task_t*)_task;
+    HTMLWindow *window = task->window;
+    VARIANT v;
+    BSTR code;
+    HRESULT hres;
+
+    static const WCHAR jscriptW[] = {'j','s','c','r','i','p','t',0};
+
+    task->window->readystate = READYSTATE_COMPLETE;
+
+    hres = IUri_GetPath(task->uri, &code);
+    if(FAILED(hres))
+        return;
+
+    set_download_state(window->doc_obj, 1);
+
+    V_VT(&v) = VT_EMPTY;
+    hres = exec_script(window, code, jscriptW, &v);
+    SysFreeString(code);
+    if(SUCCEEDED(hres) && V_VT(&v) != VT_EMPTY) {
+        FIXME("javascirpt URL returned %s\n", debugstr_variant(&v));
+        VariantClear(&v);
+    }
+
+    if(window->doc_obj->view_sink)
+        IAdviseSink_OnViewChange(window->doc_obj->view_sink, DVASPECT_CONTENT, -1);
+
+    set_download_state(window->doc_obj, 0);
+}
+
+static void navigate_javascript_task_destr(task_t *_task)
+{
+    navigate_javascript_task_t *task = (navigate_javascript_task_t*)_task;
+
+    IUri_Release(task->uri);
+    heap_free(task);
+}
+
+typedef struct {
+    task_t header;
+    HTMLWindow *window;
+    nsChannelBSC *bscallback;
+    IMoniker *mon;
+} navigate_task_t;
+
+static void navigate_proc(task_t *_task)
+{
+    navigate_task_t *task = (navigate_task_t*)_task;
+    HRESULT hres;
+
+    hres = set_moniker(&task->window->doc_obj->basedoc, task->mon, NULL, task->bscallback, TRUE);
+    if(SUCCEEDED(hres))
+        start_binding(task->window, NULL, (BSCallback*)task->bscallback, NULL);
+}
+
+static void navigate_task_destr(task_t *_task)
+{
+    navigate_task_t *task = (navigate_task_t*)_task;
+
+    IUnknown_Release((IUnknown*)task->bscallback);
+    IMoniker_Release(task->mon);
+    heap_free(task);
+}
+
+HRESULT super_navigate(HTMLWindow *window, IUri *uri, const WCHAR *headers, BYTE *post_data, DWORD post_data_size)
+{
+    nsChannelBSC *bsc;
+    IMoniker *mon;
+    DWORD scheme;
+    HRESULT hres;
+
+    if(window->doc_obj->client) {
+        IOleCommandTarget *cmdtrg;
+
+        hres = IOleClientSite_QueryInterface(window->doc_obj->client, &IID_IOleCommandTarget, (void**)&cmdtrg);
+        if(SUCCEEDED(hres)) {
+            VARIANT in, out;
+            BSTR url_str;
+
+            hres = IUri_GetDisplayUri(uri, &url_str);
+            if(SUCCEEDED(hres)) {
+                V_VT(&in) = VT_BSTR;
+                V_BSTR(&in) = url_str;
+                V_VT(&out) = VT_BOOL;
+                V_BOOL(&out) = VARIANT_TRUE;
+                hres = IOleCommandTarget_Exec(cmdtrg, &CGID_ShellDocView, 67, 0, &in, &out);
+                IOleCommandTarget_Release(cmdtrg);
+                if(SUCCEEDED(hres))
+                    VariantClear(&out);
+                SysFreeString(url_str);
+            }
+        }
+    }
+
+    hres = CreateURLMonikerEx2(NULL, uri, &mon, URL_MK_UNIFORM);
+    if(FAILED(hres))
+        return hres;
+
+    /* FIXME: Why not set_ready_state? */
+    window->readystate = READYSTATE_UNINITIALIZED;
+
+    hres = create_channelbsc(mon, headers, post_data, post_data_size, &bsc);
+    if(FAILED(hres)) {
+        IMoniker_Release(mon);
+        return hres;
+    }
+
+    prepare_for_binding(&window->doc_obj->basedoc, mon, TRUE);
+
+    hres = IUri_GetScheme(uri, &scheme);
+
+    if(scheme != URL_SCHEME_JAVASCRIPT) {
+        navigate_task_t *task;
+
+        task = heap_alloc(sizeof(*task));
+        if(!task) {
+            IUnknown_Release((IUnknown*)bsc);
+            IMoniker_Release(mon);
+            return E_OUTOFMEMORY;
+        }
+
+        task->window = window;
+        task->bscallback = bsc;
+        task->mon = mon;
+        push_task(&task->header, navigate_proc, navigate_task_destr, window->task_magic);
+
+        /* Silently and repeated when real loading starts? */
+        window->readystate = READYSTATE_LOADING;
+    }else {
+        navigate_javascript_task_t *task;
+
+        IUnknown_Release((IUnknown*)bsc);
+        IMoniker_Release(mon);
+
+        task = heap_alloc(sizeof(*task));
+        if(!task)
+            return E_OUTOFMEMORY;
+
+        IUri_AddRef(uri);
+        task->window = window;
+        task->uri = uri;
+        push_task(&task->header, navigate_javascript_proc, navigate_javascript_task_destr, window->task_magic);
+
+        /* Why silently? */
+        window->readystate = READYSTATE_COMPLETE;
+    }
+
+    return S_OK;
+}
+
 HRESULT hlink_frame_navigate(HTMLDocument *doc, LPCWSTR url, nsChannel *nschannel, DWORD hlnf, BOOL *cancel)
 {
     IHlinkFrame *hlink_frame;