/*
 * Copyright 2006-2010 Jacek Caban for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include <stdarg.h>
#include <assert.h>
#include <math.h>

#define COBJMACROS

#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winreg.h"
#include "ole2.h"
#include "shlwapi.h"
#include "mshtmdid.h"

#include "wine/debug.h"

#include "mshtml_private.h"
#include "htmlevent.h"
#include "htmlstyle.h"

WINE_DEFAULT_DEBUG_CHANNEL(mshtml);

static const WCHAR aW[]        = {'A',0};
static const WCHAR areaW[]     = {'A','R','E','A',0};
static const WCHAR bodyW[]     = {'B','O','D','Y',0};
static const WCHAR buttonW[]   = {'B','U','T','T','O','N',0};
static const WCHAR embedW[]    = {'E','M','B','E','D',0};
static const WCHAR formW[]     = {'F','O','R','M',0};
static const WCHAR frameW[]    = {'F','R','A','M','E',0};
static const WCHAR headW[]     = {'H','E','A','D',0};
static const WCHAR htmlW[]     = {'H','T','M','L',0};
static const WCHAR iframeW[]   = {'I','F','R','A','M','E',0};
static const WCHAR imgW[]      = {'I','M','G',0};
static const WCHAR inputW[]    = {'I','N','P','U','T',0};
static const WCHAR labelW[]    = {'L','A','B','E','L',0};
static const WCHAR linkW[]     = {'L','I','N','K',0};
static const WCHAR metaW[]     = {'M','E','T','A',0};
static const WCHAR objectW[]   = {'O','B','J','E','C','T',0};
static const WCHAR optionW[]   = {'O','P','T','I','O','N',0};
static const WCHAR scriptW[]   = {'S','C','R','I','P','T',0};
static const WCHAR selectW[]   = {'S','E','L','E','C','T',0};
static const WCHAR styleW[]    = {'S','T','Y','L','E',0};
static const WCHAR tableW[]    = {'T','A','B','L','E',0};
static const WCHAR tdW[]       = {'T','D',0};
static const WCHAR textareaW[] = {'T','E','X','T','A','R','E','A',0};
static const WCHAR title_tagW[]= {'T','I','T','L','E',0};
static const WCHAR trW[]       = {'T','R',0};

#define ATTRFLAG_CASESENSITIVE  0x0001
#define ATTRFLAG_ASSTRING       0x0002
#define ATTRFLAG_EXPANDURL      0x0004

typedef struct {
    const WCHAR *name;
    HRESULT (*constructor)(HTMLDocumentNode*,nsIDOMHTMLElement*,HTMLElement**);
} tag_desc_t;

static const tag_desc_t tag_descs[] = {
    {aW,         HTMLAnchorElement_Create},
    {areaW,      HTMLAreaElement_Create},
    {bodyW,      HTMLBodyElement_Create},
    {buttonW,    HTMLButtonElement_Create},
    {embedW,     HTMLEmbedElement_Create},
    {formW,      HTMLFormElement_Create},
    {frameW,     HTMLFrameElement_Create},
    {headW,      HTMLHeadElement_Create},
    {htmlW,      HTMLHtmlElement_Create},
    {iframeW,    HTMLIFrame_Create},
    {imgW,       HTMLImgElement_Create},
    {inputW,     HTMLInputElement_Create},
    {labelW,     HTMLLabelElement_Create},
    {linkW,      HTMLLinkElement_Create},
    {metaW,      HTMLMetaElement_Create},
    {objectW,    HTMLObjectElement_Create},
    {optionW,    HTMLOptionElement_Create},
    {scriptW,    HTMLScriptElement_Create},
    {selectW,    HTMLSelectElement_Create},
    {styleW,     HTMLStyleElement_Create},
    {tableW,     HTMLTable_Create},
    {tdW,        HTMLTableCell_Create},
    {textareaW,  HTMLTextAreaElement_Create},
    {title_tagW, HTMLTitleElement_Create},
    {trW,        HTMLTableRow_Create}
};

static const tag_desc_t *get_tag_desc(const WCHAR *tag_name)
{
    DWORD min=0, max=sizeof(tag_descs)/sizeof(*tag_descs)-1, i;
    int r;

    while(min <= max) {
        i = (min+max)/2;
        r = strcmpW(tag_name, tag_descs[i].name);
        if(!r)
            return tag_descs+i;

        if(r < 0)
            max = i-1;
        else
            min = i+1;
    }

    return NULL;
}

HRESULT replace_node_by_html(nsIDOMHTMLDocument *nsdoc, nsIDOMNode *nsnode, const WCHAR *html)
{
    nsIDOMDocumentFragment *nsfragment;
    nsIDOMNode *nsparent;
    nsIDOMRange *range;
    nsAString html_str;
    nsresult nsres;
    HRESULT hres = S_OK;

    nsres = nsIDOMHTMLDocument_CreateRange(nsdoc, &range);
    if(NS_FAILED(nsres)) {
        ERR("CreateRange failed: %08x\n", nsres);
        return E_FAIL;
    }

    nsAString_InitDepend(&html_str, html);
    nsIDOMRange_CreateContextualFragment(range, &html_str, &nsfragment);
    nsIDOMRange_Release(range);
    nsAString_Finish(&html_str);
    if(NS_FAILED(nsres)) {
        ERR("CreateContextualFragment failed: %08x\n", nsres);
        return E_FAIL;
    }

    nsres = nsIDOMNode_GetParentNode(nsnode, &nsparent);
    if(NS_SUCCEEDED(nsres) && nsparent) {
        nsIDOMNode *nstmp;

        nsres = nsIDOMNode_ReplaceChild(nsparent, (nsIDOMNode*)nsfragment, nsnode, &nstmp);
        nsIDOMNode_Release(nsparent);
        if(NS_FAILED(nsres)) {
            ERR("ReplaceChild failed: %08x\n", nsres);
            hres = E_FAIL;
        }else if(nstmp) {
            nsIDOMNode_Release(nstmp);
        }
    }else {
        ERR("GetParentNode failed: %08x\n", nsres);
        hres = E_FAIL;
    }

    nsIDOMDocumentFragment_Release(nsfragment);
    return hres;
}

nsresult get_elem_attr_value(nsIDOMHTMLElement *nselem, const WCHAR *name, nsAString *val_str, const PRUnichar **val)
{
    nsAString name_str;
    nsresult nsres;

    nsAString_InitDepend(&name_str, name);
    nsAString_Init(val_str, NULL);
    nsres = nsIDOMHTMLElement_GetAttribute(nselem, &name_str, val_str);
    nsAString_Finish(&name_str);
    if(NS_FAILED(nsres)) {
        ERR("GetAttribute(%s) failed: %08x\n", debugstr_w(name), nsres);
        nsAString_Finish(val_str);
        return nsres;
    }

    nsAString_GetData(val_str, val);
    return NS_OK;
}

HRESULT elem_string_attr_getter(HTMLElement *elem, const WCHAR *name, BOOL use_null, BSTR *p)
{
    const PRUnichar *val;
    nsAString val_str;
    nsresult nsres;
    HRESULT hres = S_OK;

    nsres = get_elem_attr_value(elem->nselem, name, &val_str, &val);
    if(NS_FAILED(nsres))
        return E_FAIL;

    TRACE("%s: returning %s\n", debugstr_w(name), debugstr_w(val));

    if(*val || !use_null) {
        *p = SysAllocString(val);
        if(!*p)
            hres = E_OUTOFMEMORY;
    }else {
        *p = NULL;
    }
    nsAString_Finish(&val_str);
    return hres;
}

HRESULT elem_string_attr_setter(HTMLElement *elem, const WCHAR *name, const WCHAR *value)
{
    nsAString name_str, val_str;
    nsresult nsres;

    nsAString_InitDepend(&name_str, name);
    nsAString_InitDepend(&val_str, value);
    nsres = nsIDOMHTMLElement_SetAttribute(elem->nselem, &name_str, &val_str);
    nsAString_Finish(&name_str);
    nsAString_Finish(&val_str);

    if(NS_FAILED(nsres)) {
        WARN("SetAttribute failed: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

HRESULT get_readystate_string(READYSTATE readystate, BSTR *p)
{
    static const WCHAR uninitializedW[] = {'u','n','i','n','i','t','i','a','l','i','z','e','d',0};
    static const WCHAR loadingW[] = {'l','o','a','d','i','n','g',0};
    static const WCHAR loadedW[] = {'l','o','a','d','e','d',0};
    static const WCHAR interactiveW[] = {'i','n','t','e','r','a','c','t','i','v','e',0};
    static const WCHAR completeW[] = {'c','o','m','p','l','e','t','e',0};

    static const LPCWSTR readystate_strs[] = {
        uninitializedW,
        loadingW,
        loadedW,
        interactiveW,
        completeW
    };

    assert(readystate <= READYSTATE_COMPLETE);
    *p = SysAllocString(readystate_strs[readystate]);
    return *p ? S_OK : E_OUTOFMEMORY;
}

typedef struct
{
    DispatchEx dispex;
    IHTMLFiltersCollection IHTMLFiltersCollection_iface;

    LONG ref;
} HTMLFiltersCollection;

static inline HTMLFiltersCollection *impl_from_IHTMLFiltersCollection(IHTMLFiltersCollection *iface)
{
    return CONTAINING_RECORD(iface, HTMLFiltersCollection, IHTMLFiltersCollection_iface);
}

static IHTMLFiltersCollection *HTMLFiltersCollection_Create(void);

static inline HTMLElement *impl_from_IHTMLElement(IHTMLElement *iface)
{
    return CONTAINING_RECORD(iface, HTMLElement, IHTMLElement_iface);
}

HRESULT create_nselem(HTMLDocumentNode *doc, const WCHAR *tag, nsIDOMHTMLElement **ret)
{
    nsIDOMElement *nselem;
    nsAString tag_str;
    nsresult nsres;

    if(!doc->nsdoc) {
        WARN("NULL nsdoc\n");
        return E_UNEXPECTED;
    }

    nsAString_InitDepend(&tag_str, tag);
    nsres = nsIDOMHTMLDocument_CreateElement(doc->nsdoc, &tag_str, &nselem);
    nsAString_Finish(&tag_str);
    if(NS_FAILED(nsres)) {
        ERR("CreateElement failed: %08x\n", nsres);
        return E_FAIL;
    }

    nsres = nsIDOMElement_QueryInterface(nselem, &IID_nsIDOMHTMLElement, (void**)ret);
    nsIDOMElement_Release(nselem);
    if(NS_FAILED(nsres)) {
        ERR("Could not get nsIDOMHTMLElement iface: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

HRESULT create_element(HTMLDocumentNode *doc, const WCHAR *tag, HTMLElement **ret)
{
    nsIDOMHTMLElement *nselem;
    HRESULT hres;

    /* Use owner doc if called on document fragment */
    if(!doc->nsdoc)
        doc = doc->node.doc;

    hres = create_nselem(doc, tag, &nselem);
    if(FAILED(hres))
        return hres;

    hres = HTMLElement_Create(doc, (nsIDOMNode*)nselem, TRUE, ret);
    nsIDOMHTMLElement_Release(nselem);
    return hres;
}

typedef struct {
    DispatchEx dispex;
    IHTMLRect IHTMLRect_iface;

    LONG ref;

    nsIDOMClientRect *nsrect;
} HTMLRect;

static inline HTMLRect *impl_from_IHTMLRect(IHTMLRect *iface)
{
    return CONTAINING_RECORD(iface, HTMLRect, IHTMLRect_iface);
}

static HRESULT WINAPI HTMLRect_QueryInterface(IHTMLRect *iface, REFIID riid, void **ppv)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);

    TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);

    if(IsEqualGUID(&IID_IUnknown, riid)) {
        *ppv = &This->IHTMLRect_iface;
    }else if(IsEqualGUID(&IID_IHTMLRect, riid)) {
        *ppv = &This->IHTMLRect_iface;
    }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
        return *ppv ? S_OK : E_NOINTERFACE;
    }else {
        FIXME("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
        *ppv = NULL;
        return E_NOINTERFACE;
    }

    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
}

static ULONG WINAPI HTMLRect_AddRef(IHTMLRect *iface)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    LONG ref = InterlockedIncrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    return ref;
}

static ULONG WINAPI HTMLRect_Release(IHTMLRect *iface)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    LONG ref = InterlockedDecrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    if(!ref) {
        if(This->nsrect)
            nsIDOMClientRect_Release(This->nsrect);
        heap_free(This);
    }

    return ref;
}

static HRESULT WINAPI HTMLRect_GetTypeInfoCount(IHTMLRect *iface, UINT *pctinfo)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    FIXME("(%p)->(%p)\n", This, pctinfo);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLRect_GetTypeInfo(IHTMLRect *iface, UINT iTInfo,
        LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);

    return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLRect_GetIDsOfNames(IHTMLRect *iface, REFIID riid,
        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);

    return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLRect_Invoke(IHTMLRect *iface, DISPID dispIdMember,
        REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
        VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);

    return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid, wFlags,
            pDispParams, pVarResult, pExcepInfo, puArgErr);
}

static HRESULT WINAPI HTMLRect_put_left(IHTMLRect *iface, LONG v)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    FIXME("(%p)->(%d)\n", This, v);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLRect_get_left(IHTMLRect *iface, LONG *p)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    float left;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMClientRect_GetLeft(This->nsrect, &left);
    if(NS_FAILED(nsres)) {
        ERR("GetLeft failed: %08x\n", nsres);
        return E_FAIL;
    }

    *p = floor(left+0.5);
    return S_OK;
}

static HRESULT WINAPI HTMLRect_put_top(IHTMLRect *iface, LONG v)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    FIXME("(%p)->(%d)\n", This, v);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLRect_get_top(IHTMLRect *iface, LONG *p)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    float top;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMClientRect_GetTop(This->nsrect, &top);
    if(NS_FAILED(nsres)) {
        ERR("GetTop failed: %08x\n", nsres);
        return E_FAIL;
    }

    *p = floor(top+0.5);
    return S_OK;
}

static HRESULT WINAPI HTMLRect_put_right(IHTMLRect *iface, LONG v)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    FIXME("(%p)->(%d)\n", This, v);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLRect_get_right(IHTMLRect *iface, LONG *p)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    float right;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMClientRect_GetRight(This->nsrect, &right);
    if(NS_FAILED(nsres)) {
        ERR("GetRight failed: %08x\n", nsres);
        return E_FAIL;
    }

    *p = floor(right+0.5);
    return S_OK;
}

static HRESULT WINAPI HTMLRect_put_bottom(IHTMLRect *iface, LONG v)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    FIXME("(%p)->(%d)\n", This, v);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLRect_get_bottom(IHTMLRect *iface, LONG *p)
{
    HTMLRect *This = impl_from_IHTMLRect(iface);
    float bottom;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMClientRect_GetBottom(This->nsrect, &bottom);
    if(NS_FAILED(nsres)) {
        ERR("GetBottom failed: %08x\n", nsres);
        return E_FAIL;
    }

    *p = floor(bottom+0.5);
    return S_OK;
}

static const IHTMLRectVtbl HTMLRectVtbl = {
    HTMLRect_QueryInterface,
    HTMLRect_AddRef,
    HTMLRect_Release,
    HTMLRect_GetTypeInfoCount,
    HTMLRect_GetTypeInfo,
    HTMLRect_GetIDsOfNames,
    HTMLRect_Invoke,
    HTMLRect_put_left,
    HTMLRect_get_left,
    HTMLRect_put_top,
    HTMLRect_get_top,
    HTMLRect_put_right,
    HTMLRect_get_right,
    HTMLRect_put_bottom,
    HTMLRect_get_bottom
};

static const tid_t HTMLRect_iface_tids[] = {
    IHTMLRect_tid,
    0
};
static dispex_static_data_t HTMLRect_dispex = {
    NULL,
    IHTMLRect_tid,
    NULL,
    HTMLRect_iface_tids
};

static HRESULT create_html_rect(nsIDOMClientRect *nsrect, IHTMLRect **ret)
{
    HTMLRect *rect;

    rect = heap_alloc_zero(sizeof(HTMLRect));
    if(!rect)
        return E_OUTOFMEMORY;

    rect->IHTMLRect_iface.lpVtbl = &HTMLRectVtbl;
    rect->ref = 1;

    init_dispex(&rect->dispex, (IUnknown*)&rect->IHTMLRect_iface, &HTMLRect_dispex);

    nsIDOMClientRect_AddRef(nsrect);
    rect->nsrect = nsrect;

    *ret = &rect->IHTMLRect_iface;
    return S_OK;
}

static HRESULT WINAPI HTMLElement_QueryInterface(IHTMLElement *iface,
                                                 REFIID riid, void **ppv)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    return IHTMLDOMNode_QueryInterface(&This->node.IHTMLDOMNode_iface, riid, ppv);
}

static ULONG WINAPI HTMLElement_AddRef(IHTMLElement *iface)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    return IHTMLDOMNode_AddRef(&This->node.IHTMLDOMNode_iface);
}

static ULONG WINAPI HTMLElement_Release(IHTMLElement *iface)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    return IHTMLDOMNode_Release(&This->node.IHTMLDOMNode_iface);
}

static HRESULT WINAPI HTMLElement_GetTypeInfoCount(IHTMLElement *iface, UINT *pctinfo)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    return IDispatchEx_GetTypeInfoCount(&This->node.event_target.dispex.IDispatchEx_iface, pctinfo);
}

static HRESULT WINAPI HTMLElement_GetTypeInfo(IHTMLElement *iface, UINT iTInfo,
                                              LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    return IDispatchEx_GetTypeInfo(&This->node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLElement_GetIDsOfNames(IHTMLElement *iface, REFIID riid,
                                                LPOLESTR *rgszNames, UINT cNames,
                                                LCID lcid, DISPID *rgDispId)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    return IDispatchEx_GetIDsOfNames(&This->node.event_target.dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLElement_Invoke(IHTMLElement *iface, DISPID dispIdMember,
                            REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
                            VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    return IDispatchEx_Invoke(&This->node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}

static HRESULT set_elem_attr_value_by_dispid(HTMLElement *elem, DISPID dispid, VARIANT *v)
{
    DISPID propput_dispid = DISPID_PROPERTYPUT;
    DISPPARAMS dp = {v, &propput_dispid, 1, 1};
    EXCEPINFO ei;

    if(dispid == DISPID_IHTMLELEMENT_STYLE) {
        TRACE("Ignoring call on style attribute\n");
        return S_OK;
    }

    return IDispatchEx_InvokeEx(&elem->node.event_target.dispex.IDispatchEx_iface, dispid,
            LOCALE_SYSTEM_DEFAULT, DISPATCH_PROPERTYPUT, &dp, NULL, &ei, NULL);
}

static HRESULT WINAPI HTMLElement_setAttribute(IHTMLElement *iface, BSTR strAttributeName,
                                               VARIANT AttributeValue, LONG lFlags)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    DISPID dispid;
    HRESULT hres;

    TRACE("(%p)->(%s %s %08x)\n", This, debugstr_w(strAttributeName), debugstr_variant(&AttributeValue), lFlags);

    hres = IDispatchEx_GetDispID(&This->node.event_target.dispex.IDispatchEx_iface, strAttributeName,
            (lFlags&ATTRFLAG_CASESENSITIVE ? fdexNameCaseSensitive : fdexNameCaseInsensitive) | fdexNameEnsure, &dispid);
    if(FAILED(hres))
        return hres;

    return set_elem_attr_value_by_dispid(This, dispid, &AttributeValue);
}

HRESULT get_elem_attr_value_by_dispid(HTMLElement *elem, DISPID dispid, VARIANT *ret)
{
    DISPPARAMS dispParams = {NULL, NULL, 0, 0};
    EXCEPINFO excep;

    return IDispatchEx_InvokeEx(&elem->node.event_target.dispex.IDispatchEx_iface, dispid, LOCALE_SYSTEM_DEFAULT,
            DISPATCH_PROPERTYGET, &dispParams, ret, &excep, NULL);
}

HRESULT attr_value_to_string(VARIANT *v)
{
    HRESULT hres;

    static const WCHAR nullW[] = {'n','u','l','l',0};

    switch(V_VT(v)) {
    case VT_BSTR:
        break;
    case VT_NULL:
        V_BSTR(v) = SysAllocString(nullW);
        if(!V_BSTR(v))
            return E_OUTOFMEMORY;
        V_VT(v) = VT_BSTR;
        break;
    case VT_DISPATCH:
        IDispatch_Release(V_DISPATCH(v));
        V_VT(v) = VT_BSTR;
        V_BSTR(v) = SysAllocString(NULL);
        break;
    default:
        hres = VariantChangeType(v, v, 0, VT_BSTR);
        if(FAILED(hres))
            return hres;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement_getAttribute(IHTMLElement *iface, BSTR strAttributeName,
                                               LONG lFlags, VARIANT *AttributeValue)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    DISPID dispid;
    HRESULT hres;

    TRACE("(%p)->(%s %08x %p)\n", This, debugstr_w(strAttributeName), lFlags, AttributeValue);

    if(lFlags & ~(ATTRFLAG_CASESENSITIVE|ATTRFLAG_ASSTRING))
        FIXME("Unsupported flags %x\n", lFlags);

    hres = IDispatchEx_GetDispID(&This->node.event_target.dispex.IDispatchEx_iface, strAttributeName,
            lFlags&ATTRFLAG_CASESENSITIVE ? fdexNameCaseSensitive : fdexNameCaseInsensitive, &dispid);
    if(hres == DISP_E_UNKNOWNNAME) {
        V_VT(AttributeValue) = VT_NULL;
        return S_OK;
    }

    if(FAILED(hres)) {
        V_VT(AttributeValue) = VT_NULL;
        return hres;
    }

    hres = get_elem_attr_value_by_dispid(This, dispid, AttributeValue);
    if(SUCCEEDED(hres) && (lFlags & ATTRFLAG_ASSTRING))
        hres = attr_value_to_string(AttributeValue);
    return hres;
}

static HRESULT WINAPI HTMLElement_removeAttribute(IHTMLElement *iface, BSTR strAttributeName,
                                                  LONG lFlags, VARIANT_BOOL *pfSuccess)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    DISPID id;
    HRESULT hres;

    TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(strAttributeName), lFlags, pfSuccess);

    hres = IDispatchEx_GetDispID(&This->node.event_target.dispex.IDispatchEx_iface, strAttributeName,
            lFlags&ATTRFLAG_CASESENSITIVE ? fdexNameCaseSensitive : fdexNameCaseInsensitive, &id);
    if(hres == DISP_E_UNKNOWNNAME) {
        *pfSuccess = VARIANT_FALSE;
        return S_OK;
    }
    if(FAILED(hres))
        return hres;

    if(id == DISPID_IHTMLELEMENT_STYLE) {
        IHTMLStyle *style;

        TRACE("Special case: style\n");

        hres = IHTMLElement_get_style(&This->IHTMLElement_iface, &style);
        if(FAILED(hres))
            return hres;

        hres = IHTMLStyle_put_cssText(style, NULL);
        IHTMLStyle_Release(style);
        if(FAILED(hres))
            return hres;

        *pfSuccess = VARIANT_TRUE;
        return S_OK;
    }

    return remove_attribute(&This->node.event_target.dispex, id, pfSuccess);
}

static HRESULT WINAPI HTMLElement_put_className(IHTMLElement *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString classname_str;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    if(!This->nselem) {
        FIXME("NULL nselem\n");
        return E_NOTIMPL;
    }

    nsAString_InitDepend(&classname_str, v);
    nsres = nsIDOMHTMLElement_SetClassName(This->nselem, &classname_str);
    nsAString_Finish(&classname_str);
    if(NS_FAILED(nsres))
        ERR("SetClassName failed: %08x\n", nsres);

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_className(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString class_str;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    if(!This->nselem) {
        FIXME("NULL nselem\n");
        return E_NOTIMPL;
    }

    nsAString_Init(&class_str, NULL);
    nsres = nsIDOMHTMLElement_GetClassName(This->nselem, &class_str);
    return return_nsstr(nsres, &class_str, p);
}

static HRESULT WINAPI HTMLElement_put_id(IHTMLElement *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString id_str;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    if(!This->nselem) {
        FIXME("nselem == NULL\n");
        return S_OK;
    }

    nsAString_InitDepend(&id_str, v);
    nsres = nsIDOMHTMLElement_SetId(This->nselem, &id_str);
    nsAString_Finish(&id_str);
    if(NS_FAILED(nsres))
        ERR("SetId failed: %08x\n", nsres);

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_id(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString id_str;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    if(!This->nselem) {
        *p = NULL;
        return S_OK;
    }

    nsAString_Init(&id_str, NULL);
    nsres = nsIDOMHTMLElement_GetId(This->nselem, &id_str);
    return return_nsstr(nsres, &id_str, p);
}

static HRESULT WINAPI HTMLElement_get_tagName(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString tag_str;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    if(!This->nselem) {
        static const WCHAR comment_tagW[] = {'!',0};

        WARN("NULL nselem, assuming comment\n");

        *p = SysAllocString(comment_tagW);
        return *p ? S_OK : E_OUTOFMEMORY;
    }

    nsAString_Init(&tag_str, NULL);
    nsres = nsIDOMHTMLElement_GetTagName(This->nselem, &tag_str);
    return return_nsstr(nsres, &tag_str, p);
}

static HRESULT WINAPI HTMLElement_get_parentElement(IHTMLElement *iface, IHTMLElement **p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    IHTMLDOMNode *node;
    HRESULT hres;

    TRACE("(%p)->(%p)\n", This, p);

    hres = IHTMLDOMNode_get_parentNode(&This->node.IHTMLDOMNode_iface, &node);
    if(FAILED(hres))
        return hres;

    if(!node) {
        *p = NULL;
        return S_OK;
    }

    hres = IHTMLDOMNode_QueryInterface(node, &IID_IHTMLElement, (void**)p);
    IHTMLDOMNode_Release(node);
    if(FAILED(hres))
        *p = NULL;

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_style(IHTMLElement *iface, IHTMLStyle **p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    if(!This->style) {
        HRESULT hres;

        hres = HTMLStyle_Create(This, &This->style);
        if(FAILED(hres))
            return hres;
    }

    *p = &This->style->IHTMLStyle_iface;
    IHTMLStyle_AddRef(*p);
    return S_OK;
}

static HRESULT WINAPI HTMLElement_put_onhelp(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_onhelp(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_onclick(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_CLICK, &v);
}

static HRESULT WINAPI HTMLElement_get_onclick(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_CLICK, p);
}

static HRESULT WINAPI HTMLElement_put_ondblclick(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_DBLCLICK, &v);
}

static HRESULT WINAPI HTMLElement_get_ondblclick(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_DBLCLICK, p);
}

static HRESULT WINAPI HTMLElement_put_onkeydown(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_KEYDOWN, &v);
}

static HRESULT WINAPI HTMLElement_get_onkeydown(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_KEYDOWN, p);
}

static HRESULT WINAPI HTMLElement_put_onkeyup(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_KEYUP, &v);
}

static HRESULT WINAPI HTMLElement_get_onkeyup(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_KEYUP, p);
}

static HRESULT WINAPI HTMLElement_put_onkeypress(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_KEYPRESS, &v);
}

static HRESULT WINAPI HTMLElement_get_onkeypress(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_KEYPRESS, p);
}

static HRESULT WINAPI HTMLElement_put_onmouseout(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_MOUSEOUT, &v);
}

static HRESULT WINAPI HTMLElement_get_onmouseout(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_MOUSEOUT, p);
}

static HRESULT WINAPI HTMLElement_put_onmouseover(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_MOUSEOVER, &v);
}

static HRESULT WINAPI HTMLElement_get_onmouseover(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_MOUSEOVER, p);
}

static HRESULT WINAPI HTMLElement_put_onmousemove(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_MOUSEMOVE, &v);
}

static HRESULT WINAPI HTMLElement_get_onmousemove(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_MOUSEMOVE, p);
}

static HRESULT WINAPI HTMLElement_put_onmousedown(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_MOUSEDOWN, &v);
}

static HRESULT WINAPI HTMLElement_get_onmousedown(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_MOUSEDOWN, p);
}

static HRESULT WINAPI HTMLElement_put_onmouseup(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_MOUSEUP, &v);
}

static HRESULT WINAPI HTMLElement_get_onmouseup(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_MOUSEUP, p);
}

static HRESULT WINAPI HTMLElement_get_document(IHTMLElement *iface, IDispatch **p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    if(!p)
        return E_POINTER;

    if(This->node.vtbl->get_document)
        return This->node.vtbl->get_document(&This->node, p);

    *p = (IDispatch*)&This->node.doc->basedoc.IHTMLDocument2_iface;
    IDispatch_AddRef(*p);
    return S_OK;
}

static const WCHAR titleW[] = {'t','i','t','l','e',0};

static HRESULT WINAPI HTMLElement_put_title(IHTMLElement *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString title_str;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    if(!This->nselem) {
        VARIANT *var;
        HRESULT hres;

        hres = dispex_get_dprop_ref(&This->node.event_target.dispex, titleW, TRUE, &var);
        if(FAILED(hres))
            return hres;

        VariantClear(var);
        V_VT(var) = VT_BSTR;
        V_BSTR(var) = v ? SysAllocString(v) : NULL;
        return S_OK;
    }

    nsAString_InitDepend(&title_str, v);
    nsres = nsIDOMHTMLElement_SetTitle(This->nselem, &title_str);
    nsAString_Finish(&title_str);
    if(NS_FAILED(nsres))
        ERR("SetTitle failed: %08x\n", nsres);

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_title(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString title_str;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    if(!This->nselem) {
        VARIANT *var;
        HRESULT hres;

        hres = dispex_get_dprop_ref(&This->node.event_target.dispex, titleW, FALSE, &var);
        if(hres == DISP_E_UNKNOWNNAME) {
            *p = NULL;
        }else if(V_VT(var) != VT_BSTR) {
            FIXME("title = %s\n", debugstr_variant(var));
            return E_FAIL;
        }else {
            *p = V_BSTR(var) ? SysAllocString(V_BSTR(var)) : NULL;
        }

        return S_OK;
    }

    nsAString_Init(&title_str, NULL);
    nsres = nsIDOMHTMLElement_GetTitle(This->nselem, &title_str);
    return return_nsstr(nsres, &title_str, p);
}

static const WCHAR languageW[] = {'l','a','n','g','u','a','g','e',0};

static HRESULT WINAPI HTMLElement_put_language(IHTMLElement *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    return elem_string_attr_setter(This, languageW, v);
}

static HRESULT WINAPI HTMLElement_get_language(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return elem_string_attr_getter(This, languageW, TRUE, p);
}

static HRESULT WINAPI HTMLElement_put_onselectstart(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_SELECTSTART, &v);
}

static HRESULT WINAPI HTMLElement_get_onselectstart(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_SELECTSTART, p);
}

static HRESULT WINAPI HTMLElement_scrollIntoView(IHTMLElement *iface, VARIANT varargStart)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    cpp_bool start = TRUE;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&varargStart));

    switch(V_VT(&varargStart)) {
    case VT_EMPTY:
    case VT_ERROR:
	break;
    case VT_BOOL:
	start = V_BOOL(&varargStart) != VARIANT_FALSE;
	break;
    default:
	FIXME("Unsupported argument %s\n", debugstr_variant(&varargStart));
    }

    if(!This->nselem) {
	FIXME("Unsupported for comments\n");
	return E_NOTIMPL;
    }

    nsres = nsIDOMHTMLElement_ScrollIntoView(This->nselem, start, 1);
    assert(nsres == NS_OK);

    return S_OK;
}

static HRESULT WINAPI HTMLElement_contains(IHTMLElement *iface, IHTMLElement *pChild,
                                           VARIANT_BOOL *pfResult)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    cpp_bool result = FALSE;

    TRACE("(%p)->(%p %p)\n", This, pChild, pfResult);

    if(pChild) {
        HTMLElement *child;
        nsresult nsres;

        child = unsafe_impl_from_IHTMLElement(pChild);
        if(!child) {
            ERR("not our element\n");
            return E_FAIL;
        }

        nsres = nsIDOMNode_Contains(This->node.nsnode, child->node.nsnode, &result);
        assert(nsres == NS_OK);
    }

    *pfResult = result ? VARIANT_TRUE : VARIANT_FALSE;
    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_sourceIndex(IHTMLElement *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_elem_source_index(This, p);
}

static HRESULT WINAPI HTMLElement_get_recordNumber(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_lang(IHTMLElement *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString nsstr;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    if(!This->nselem) {
        FIXME("NULL nselem\n");
        return E_NOTIMPL;
    }

    nsAString_InitDepend(&nsstr, v);
    nsres = nsIDOMHTMLElement_SetLang(This->nselem, &nsstr);
    nsAString_Finish(&nsstr);
    if(NS_FAILED(nsres)) {
        ERR("SetLang failed: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_lang(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString nsstr;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    if(!This->nselem) {
        FIXME("NULL nselem\n");
        return E_NOTIMPL;
    }

    nsAString_Init(&nsstr, NULL);
    nsres = nsIDOMHTMLElement_GetLang(This->nselem, &nsstr);
    return return_nsstr(nsres, &nsstr, p);
}

static HRESULT WINAPI HTMLElement_get_offsetLeft(IHTMLElement *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetOffsetLeft(This->nselem, p);
    if(NS_FAILED(nsres)) {
        ERR("GetOffsetLeft failed: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_offsetTop(IHTMLElement *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetOffsetTop(This->nselem, p);
    if(NS_FAILED(nsres)) {
        ERR("GetOffsetTop failed: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_offsetWidth(IHTMLElement *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetOffsetWidth(This->nselem, p);
    if(NS_FAILED(nsres)) {
        ERR("GetOffsetWidth failed: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_offsetHeight(IHTMLElement *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetOffsetHeight(This->nselem, p);
    if(NS_FAILED(nsres)) {
        ERR("GetOffsetHeight failed: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_offsetParent(IHTMLElement *iface, IHTMLElement **p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsIDOMElement *nsparent;
    nsresult nsres;
    HRESULT hres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetOffsetParent(This->nselem, &nsparent);
    if(NS_FAILED(nsres)) {
        ERR("GetOffsetParent failed: %08x\n", nsres);
        return E_FAIL;
    }

    if(nsparent) {
        HTMLDOMNode *node;

        hres = get_node(This->node.doc, (nsIDOMNode*)nsparent, TRUE, &node);
        nsIDOMElement_Release(nsparent);
        if(FAILED(hres))
            return hres;

        hres = IHTMLDOMNode_QueryInterface(&node->IHTMLDOMNode_iface, &IID_IHTMLElement, (void**)p);
        node_release(node);
    }else {
        *p = NULL;
        hres = S_OK;
    }

    return hres;
}

static HRESULT WINAPI HTMLElement_put_innerHTML(IHTMLElement *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString html_str;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    if(!This->nselem) {
        FIXME("NULL nselem\n");
        return E_NOTIMPL;
    }

    nsAString_InitDepend(&html_str, v);
    nsres = nsIDOMHTMLElement_SetInnerHTML(This->nselem, &html_str);
    nsAString_Finish(&html_str);
    if(NS_FAILED(nsres)) {
        FIXME("SetInnerHtml failed %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_innerHTML(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString html_str;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    if(!This->nselem) {
        FIXME("NULL nselem\n");
        return E_NOTIMPL;
    }

    nsAString_Init(&html_str, NULL);
    nsres = nsIDOMHTMLElement_GetInnerHTML(This->nselem, &html_str);
    return return_nsstr(nsres, &html_str, p);
}

static HRESULT WINAPI HTMLElement_put_innerText(IHTMLElement *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsIDOMNode *nschild, *tmp;
    nsIDOMText *text_node;
    nsAString text_str;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    while(1) {
        nsres = nsIDOMHTMLElement_GetLastChild(This->nselem, &nschild);
        if(NS_FAILED(nsres)) {
            ERR("GetLastChild failed: %08x\n", nsres);
            return E_FAIL;
        }
        if(!nschild)
            break;

        nsres = nsIDOMHTMLElement_RemoveChild(This->nselem, nschild, &tmp);
        nsIDOMNode_Release(nschild);
        if(NS_FAILED(nsres)) {
            ERR("RemoveChild failed: %08x\n", nsres);
            return E_FAIL;
        }
        nsIDOMNode_Release(tmp);
    }

    nsAString_InitDepend(&text_str, v);
    nsres = nsIDOMHTMLDocument_CreateTextNode(This->node.doc->nsdoc, &text_str, &text_node);
    nsAString_Finish(&text_str);
    if(NS_FAILED(nsres)) {
        ERR("CreateTextNode failed: %08x\n", nsres);
        return E_FAIL;
    }

    nsres = nsIDOMHTMLElement_AppendChild(This->nselem, (nsIDOMNode*)text_node, &tmp);
    if(NS_FAILED(nsres)) {
        ERR("AppendChild failed: %08x\n", nsres);
        return E_FAIL;
    }

    nsIDOMNode_Release(tmp);
    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_innerText(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_text(&This->node, p);
}

static HRESULT WINAPI HTMLElement_put_outerHTML(IHTMLElement *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    return replace_node_by_html(This->node.doc->nsdoc, This->node.nsnode, v);
}

static HRESULT WINAPI HTMLElement_get_outerHTML(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsAString html_str;
    HRESULT hres;

    WARN("(%p)->(%p) semi-stub\n", This, p);

    nsAString_Init(&html_str, NULL);
    hres = nsnode_to_nsstring(This->node.nsnode, &html_str);
    if(SUCCEEDED(hres)) {
        const PRUnichar *html;

        nsAString_GetData(&html_str, &html);
        *p = SysAllocString(html);
        if(!*p)
            hres = E_OUTOFMEMORY;
    }

    nsAString_Finish(&html_str);

    TRACE("ret %s\n", debugstr_w(*p));
    return hres;
}

static HRESULT WINAPI HTMLElement_put_outerText(IHTMLElement *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsIDOMText *text_node;
    nsIDOMRange *range;
    nsAString nsstr;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    if(This->node.vtbl->is_settable && !This->node.vtbl->is_settable(&This->node, DISPID_IHTMLELEMENT_OUTERTEXT)) {
        WARN("Called on element that does not support setting the property.\n");
        return 0x800a0258; /* undocumented error code */
    }

    if(!This->node.doc->nsdoc) {
        FIXME("NULL nsdoc\n");
        return E_FAIL;
    }

    nsAString_InitDepend(&nsstr, v);
    nsres = nsIDOMHTMLDocument_CreateTextNode(This->node.doc->nsdoc, &nsstr, &text_node);
    nsAString_Finish(&nsstr);
    if(NS_FAILED(nsres)) {
        ERR("CreateTextNode failed\n");
        return E_FAIL;
    }

    nsres = nsIDOMHTMLDocument_CreateRange(This->node.doc->nsdoc, &range);
    if(NS_SUCCEEDED(nsres)) {
        nsres = nsIDOMRange_SelectNode(range, This->node.nsnode);
        if(NS_SUCCEEDED(nsres))
            nsres = nsIDOMRange_DeleteContents(range);
        if(NS_SUCCEEDED(nsres))
            nsres = nsIDOMRange_InsertNode(range, (nsIDOMNode*)text_node);
        if(NS_SUCCEEDED(nsres))
            nsres = nsIDOMRange_SelectNodeContents(range, This->node.nsnode);
        if(NS_SUCCEEDED(nsres))
            nsres = nsIDOMRange_DeleteContents(range);
        nsIDOMRange_Release(range);
    }
    nsIDOMText_Release(text_node);
    if(NS_FAILED(nsres)) {
        ERR("failed to set text: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_outerText(IHTMLElement *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    /* getter is the same as innerText */
    return IHTMLElement_get_innerText(&This->IHTMLElement_iface, p);
}

static HRESULT insert_adjacent_node(HTMLElement *This, const WCHAR *where, nsIDOMNode *nsnode, HTMLDOMNode **ret_node)
{
    nsIDOMNode *ret_nsnode;
    nsresult nsres;
    HRESULT hres = S_OK;

    static const WCHAR beforebeginW[] = {'b','e','f','o','r','e','b','e','g','i','n',0};
    static const WCHAR afterbeginW[] = {'a','f','t','e','r','b','e','g','i','n',0};
    static const WCHAR beforeendW[] = {'b','e','f','o','r','e','e','n','d',0};
    static const WCHAR afterendW[] = {'a','f','t','e','r','e','n','d',0};

    if (!strcmpiW(where, beforebeginW)) {
        nsIDOMNode *parent;

        nsres = nsIDOMNode_GetParentNode(This->node.nsnode, &parent);
        if(NS_FAILED(nsres))
            return E_FAIL;

        if(!parent)
            return E_INVALIDARG;

        nsres = nsIDOMNode_InsertBefore(parent, nsnode, This->node.nsnode, &ret_nsnode);
        nsIDOMNode_Release(parent);
    }else if(!strcmpiW(where, afterbeginW)) {
        nsIDOMNode *first_child;

        nsres = nsIDOMNode_GetFirstChild(This->node.nsnode, &first_child);
        if(NS_FAILED(nsres))
            return E_FAIL;

        nsres = nsIDOMNode_InsertBefore(This->node.nsnode, nsnode, first_child, &ret_nsnode);
        if(NS_FAILED(nsres))
            return E_FAIL;

        if (first_child)
            nsIDOMNode_Release(first_child);
    }else if (!strcmpiW(where, beforeendW)) {
        nsres = nsIDOMNode_AppendChild(This->node.nsnode, nsnode, &ret_nsnode);
    }else if (!strcmpiW(where, afterendW)) {
        nsIDOMNode *next_sibling, *parent;

        nsres = nsIDOMNode_GetParentNode(This->node.nsnode, &parent);
        if(NS_FAILED(nsres))
            return E_FAIL;
        if(!parent)
            return E_INVALIDARG;

        nsres = nsIDOMNode_GetNextSibling(This->node.nsnode, &next_sibling);
        if(NS_SUCCEEDED(nsres)) {
            if(next_sibling) {
                nsres = nsIDOMNode_InsertBefore(parent, nsnode, next_sibling, &ret_nsnode);
                nsIDOMNode_Release(next_sibling);
            }else {
                nsres = nsIDOMNode_AppendChild(parent, nsnode, &ret_nsnode);
            }
        }

        nsIDOMNode_Release(parent);
    }else {
        ERR("invalid where: %s\n", debugstr_w(where));
        return E_INVALIDARG;
    }

    if (NS_FAILED(nsres))
        return E_FAIL;

    if(ret_node)
        hres = get_node(This->node.doc, ret_nsnode, TRUE, ret_node);
    nsIDOMNode_Release(ret_nsnode);
    return hres;
}

static HRESULT WINAPI HTMLElement_insertAdjacentHTML(IHTMLElement *iface, BSTR where,
                                                     BSTR html)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsIDOMRange *range;
    nsIDOMNode *nsnode;
    nsAString ns_html;
    nsresult nsres;
    HRESULT hr;

    TRACE("(%p)->(%s %s)\n", This, debugstr_w(where), debugstr_w(html));

    if(!This->node.doc->nsdoc) {
        WARN("NULL nsdoc\n");
        return E_UNEXPECTED;
    }

    nsres = nsIDOMHTMLDocument_CreateRange(This->node.doc->nsdoc, &range);
    if(NS_FAILED(nsres))
    {
        ERR("CreateRange failed: %08x\n", nsres);
        return E_FAIL;
    }

    nsIDOMRange_SetStartBefore(range, This->node.nsnode);

    nsAString_InitDepend(&ns_html, html);
    nsres = nsIDOMRange_CreateContextualFragment(range, &ns_html, (nsIDOMDocumentFragment **)&nsnode);
    nsAString_Finish(&ns_html);
    nsIDOMRange_Release(range);

    if(NS_FAILED(nsres) || !nsnode)
    {
        ERR("CreateTextNode failed: %08x\n", nsres);
        return E_FAIL;
    }

    hr = insert_adjacent_node(This, where, nsnode, NULL);
    nsIDOMNode_Release(nsnode);
    return hr;
}

static HRESULT WINAPI HTMLElement_insertAdjacentText(IHTMLElement *iface, BSTR where,
                                                     BSTR text)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsIDOMNode *nsnode;
    nsAString ns_text;
    nsresult nsres;
    HRESULT hr;

    TRACE("(%p)->(%s %s)\n", This, debugstr_w(where), debugstr_w(text));

    if(!This->node.doc->nsdoc) {
        WARN("NULL nsdoc\n");
        return E_UNEXPECTED;
    }


    nsAString_InitDepend(&ns_text, text);
    nsres = nsIDOMHTMLDocument_CreateTextNode(This->node.doc->nsdoc, &ns_text, (nsIDOMText **)&nsnode);
    nsAString_Finish(&ns_text);

    if(NS_FAILED(nsres) || !nsnode)
    {
        ERR("CreateTextNode failed: %08x\n", nsres);
        return E_FAIL;
    }

    hr = insert_adjacent_node(This, where, nsnode, NULL);
    nsIDOMNode_Release(nsnode);

    return hr;
}

static HRESULT WINAPI HTMLElement_get_parentTextEdit(IHTMLElement *iface, IHTMLElement **p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_isTextEdit(IHTMLElement *iface, VARIANT_BOOL *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    *p = This->node.vtbl->is_text_edit && This->node.vtbl->is_text_edit(&This->node)
        ? VARIANT_TRUE : VARIANT_FALSE;
    return S_OK;
}

static HRESULT WINAPI HTMLElement_click(IHTMLElement *iface)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)\n", This);

    return call_fire_event(&This->node, EVENTID_CLICK);
}

static HRESULT WINAPI HTMLElement_get_filters(IHTMLElement *iface,
                                              IHTMLFiltersCollection **p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    TRACE("(%p)->(%p)\n", This, p);

    if(!p)
        return E_POINTER;

    *p = HTMLFiltersCollection_Create();

    return S_OK;
}

static HRESULT WINAPI HTMLElement_put_ondragstart(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_ondragstart(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_toString(IHTMLElement *iface, BSTR *String)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, String);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_onbeforeupdate(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_onbeforeupdate(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_onafterupdate(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_onafterupdate(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_onerrorupdate(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_onerrorupdate(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_onrowexit(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_onrowexit(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_onrowenter(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_onrowenter(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_ondatasetchanged(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_ondatasetchanged(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_ondataavailable(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    FIXME("(%p)->(%s) semi-stub\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_DATAAVAILABLE, &v);
}

static HRESULT WINAPI HTMLElement_get_ondataavailable(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_DATAAVAILABLE, p);
}

static HRESULT WINAPI HTMLElement_put_ondatasetcomplete(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_ondatasetcomplete(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_put_onfilterchange(IHTMLElement *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_onfilterchange(IHTMLElement *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement_get_children(IHTMLElement *iface, IDispatch **p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);
    nsIDOMNodeList *nsnode_list;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMNode_GetChildNodes(This->node.nsnode, &nsnode_list);
    if(NS_FAILED(nsres)) {
        ERR("GetChildNodes failed: %08x\n", nsres);
        return E_FAIL;
    }

    *p = (IDispatch*)create_collection_from_nodelist(This->node.doc, nsnode_list);

    nsIDOMNodeList_Release(nsnode_list);
    return S_OK;
}

static HRESULT WINAPI HTMLElement_get_all(IHTMLElement *iface, IDispatch **p)
{
    HTMLElement *This = impl_from_IHTMLElement(iface);

    TRACE("(%p)->(%p)\n", This, p);

    *p = (IDispatch*)create_all_collection(&This->node, FALSE);
    return S_OK;
}

static const IHTMLElementVtbl HTMLElementVtbl = {
    HTMLElement_QueryInterface,
    HTMLElement_AddRef,
    HTMLElement_Release,
    HTMLElement_GetTypeInfoCount,
    HTMLElement_GetTypeInfo,
    HTMLElement_GetIDsOfNames,
    HTMLElement_Invoke,
    HTMLElement_setAttribute,
    HTMLElement_getAttribute,
    HTMLElement_removeAttribute,
    HTMLElement_put_className,
    HTMLElement_get_className,
    HTMLElement_put_id,
    HTMLElement_get_id,
    HTMLElement_get_tagName,
    HTMLElement_get_parentElement,
    HTMLElement_get_style,
    HTMLElement_put_onhelp,
    HTMLElement_get_onhelp,
    HTMLElement_put_onclick,
    HTMLElement_get_onclick,
    HTMLElement_put_ondblclick,
    HTMLElement_get_ondblclick,
    HTMLElement_put_onkeydown,
    HTMLElement_get_onkeydown,
    HTMLElement_put_onkeyup,
    HTMLElement_get_onkeyup,
    HTMLElement_put_onkeypress,
    HTMLElement_get_onkeypress,
    HTMLElement_put_onmouseout,
    HTMLElement_get_onmouseout,
    HTMLElement_put_onmouseover,
    HTMLElement_get_onmouseover,
    HTMLElement_put_onmousemove,
    HTMLElement_get_onmousemove,
    HTMLElement_put_onmousedown,
    HTMLElement_get_onmousedown,
    HTMLElement_put_onmouseup,
    HTMLElement_get_onmouseup,
    HTMLElement_get_document,
    HTMLElement_put_title,
    HTMLElement_get_title,
    HTMLElement_put_language,
    HTMLElement_get_language,
    HTMLElement_put_onselectstart,
    HTMLElement_get_onselectstart,
    HTMLElement_scrollIntoView,
    HTMLElement_contains,
    HTMLElement_get_sourceIndex,
    HTMLElement_get_recordNumber,
    HTMLElement_put_lang,
    HTMLElement_get_lang,
    HTMLElement_get_offsetLeft,
    HTMLElement_get_offsetTop,
    HTMLElement_get_offsetWidth,
    HTMLElement_get_offsetHeight,
    HTMLElement_get_offsetParent,
    HTMLElement_put_innerHTML,
    HTMLElement_get_innerHTML,
    HTMLElement_put_innerText,
    HTMLElement_get_innerText,
    HTMLElement_put_outerHTML,
    HTMLElement_get_outerHTML,
    HTMLElement_put_outerText,
    HTMLElement_get_outerText,
    HTMLElement_insertAdjacentHTML,
    HTMLElement_insertAdjacentText,
    HTMLElement_get_parentTextEdit,
    HTMLElement_get_isTextEdit,
    HTMLElement_click,
    HTMLElement_get_filters,
    HTMLElement_put_ondragstart,
    HTMLElement_get_ondragstart,
    HTMLElement_toString,
    HTMLElement_put_onbeforeupdate,
    HTMLElement_get_onbeforeupdate,
    HTMLElement_put_onafterupdate,
    HTMLElement_get_onafterupdate,
    HTMLElement_put_onerrorupdate,
    HTMLElement_get_onerrorupdate,
    HTMLElement_put_onrowexit,
    HTMLElement_get_onrowexit,
    HTMLElement_put_onrowenter,
    HTMLElement_get_onrowenter,
    HTMLElement_put_ondatasetchanged,
    HTMLElement_get_ondatasetchanged,
    HTMLElement_put_ondataavailable,
    HTMLElement_get_ondataavailable,
    HTMLElement_put_ondatasetcomplete,
    HTMLElement_get_ondatasetcomplete,
    HTMLElement_put_onfilterchange,
    HTMLElement_get_onfilterchange,
    HTMLElement_get_children,
    HTMLElement_get_all
};

HTMLElement *unsafe_impl_from_IHTMLElement(IHTMLElement *iface)
{
    return iface->lpVtbl == &HTMLElementVtbl ? impl_from_IHTMLElement(iface) : NULL;
}

static inline HTMLElement *impl_from_IHTMLElement2(IHTMLElement2 *iface)
{
    return CONTAINING_RECORD(iface, HTMLElement, IHTMLElement2_iface);
}

static HRESULT WINAPI HTMLElement2_QueryInterface(IHTMLElement2 *iface,
                                                  REFIID riid, void **ppv)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    return IHTMLElement_QueryInterface(&This->IHTMLElement_iface, riid, ppv);
}

static ULONG WINAPI HTMLElement2_AddRef(IHTMLElement2 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    return IHTMLElement_AddRef(&This->IHTMLElement_iface);
}

static ULONG WINAPI HTMLElement2_Release(IHTMLElement2 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    return IHTMLElement_Release(&This->IHTMLElement_iface);
}

static HRESULT WINAPI HTMLElement2_GetTypeInfoCount(IHTMLElement2 *iface, UINT *pctinfo)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    return IDispatchEx_GetTypeInfoCount(&This->node.event_target.dispex.IDispatchEx_iface, pctinfo);
}

static HRESULT WINAPI HTMLElement2_GetTypeInfo(IHTMLElement2 *iface, UINT iTInfo,
                                               LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    return IDispatchEx_GetTypeInfo(&This->node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLElement2_GetIDsOfNames(IHTMLElement2 *iface, REFIID riid,
                                                LPOLESTR *rgszNames, UINT cNames,
                                                LCID lcid, DISPID *rgDispId)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    return IDispatchEx_GetIDsOfNames(&This->node.event_target.dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLElement2_Invoke(IHTMLElement2 *iface, DISPID dispIdMember,
                            REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
                            VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    return IDispatchEx_Invoke(&This->node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}

static HRESULT WINAPI HTMLElement2_get_scopeName(IHTMLElement2 *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_setCapture(IHTMLElement2 *iface, VARIANT_BOOL containerCapture)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%x)\n", This, containerCapture);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_releaseCapture(IHTMLElement2 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_onlosecapture(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onlosecapture(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_componentFromPoint(IHTMLElement2 *iface,
                                                      LONG x, LONG y, BSTR *component)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%d %d %p)\n", This, x, y, component);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_doScroll(IHTMLElement2 *iface, VARIANT component)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&component));

    if(!This->node.doc->content_ready
       || !This->node.doc->basedoc.doc_obj->in_place_active)
        return E_PENDING;

    WARN("stub\n");
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_put_onscroll(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onscroll(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_ondrag(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_DRAG, &v);
}

static HRESULT WINAPI HTMLElement2_get_ondrag(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_DRAG, p);
}

static HRESULT WINAPI HTMLElement2_put_ondragend(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_ondragend(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_ondragenter(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_ondragenter(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_ondragover(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_ondragover(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_ondragleave(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_ondragleave(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_ondrop(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_ondrop(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_onbeforecut(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onbeforecut(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_oncut(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_oncut(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_onbeforecopy(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onbeforecopy(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_oncopy(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_oncopy(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_onbeforepaste(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onbeforepaste(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_onpaste(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_PASTE, &v);
}

static HRESULT WINAPI HTMLElement2_get_onpaste(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_PASTE, p);
}

static HRESULT WINAPI HTMLElement2_get_currentStyle(IHTMLElement2 *iface, IHTMLCurrentStyle **p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return HTMLCurrentStyle_Create(This, p);
}

static HRESULT WINAPI HTMLElement2_put_onpropertychange(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onpropertychange(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_getClientRects(IHTMLElement2 *iface, IHTMLRectCollection **pRectCol)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, pRectCol);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_getBoundingClientRect(IHTMLElement2 *iface, IHTMLRect **pRect)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsIDOMClientRect *nsrect;
    nsresult nsres;
    HRESULT hres;

    TRACE("(%p)->(%p)\n", This, pRect);

    nsres = nsIDOMHTMLElement_GetBoundingClientRect(This->nselem, &nsrect);
    if(NS_FAILED(nsres) || !nsrect) {
        ERR("GetBoindingClientRect failed: %08x\n", nsres);
        return E_FAIL;
    }

    hres = create_html_rect(nsrect, pRect);

    nsIDOMClientRect_Release(nsrect);
    return hres;
}

static HRESULT WINAPI HTMLElement2_setExpression(IHTMLElement2 *iface, BSTR propname,
                                                 BSTR expression, BSTR language)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%s %s %s)\n", This, debugstr_w(propname), debugstr_w(expression),
          debugstr_w(language));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_getExpression(IHTMLElement2 *iface, BSTR propname,
                                                 VARIANT *expression)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%s %p)\n", This, debugstr_w(propname), expression);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_removeExpression(IHTMLElement2 *iface, BSTR propname,
                                                    VARIANT_BOOL *pfSuccess)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%s %p)\n", This, debugstr_w(propname), pfSuccess);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_tabIndex(IHTMLElement2 *iface, short v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)->(%d)\n", This, v);

    nsres = nsIDOMHTMLElement_SetTabIndex(This->nselem, v);
    if(NS_FAILED(nsres))
        ERR("GetTabIndex failed: %08x\n", nsres);

    return S_OK;
}

static HRESULT WINAPI HTMLElement2_get_tabIndex(IHTMLElement2 *iface, short *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    LONG index;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetTabIndex(This->nselem, &index);
    if(NS_FAILED(nsres)) {
        ERR("GetTabIndex failed: %08x\n", nsres);
        return E_FAIL;
    }

    *p = index;
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_focus(IHTMLElement2 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)\n", This);

    nsres = nsIDOMHTMLElement_Focus(This->nselem);
    if(NS_FAILED(nsres))
        ERR("Focus failed: %08x\n", nsres);

    return S_OK;
}

static HRESULT WINAPI HTMLElement2_put_accessKey(IHTMLElement2 *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    VARIANT var;

    static WCHAR accessKeyW[] = {'a','c','c','e','s','s','K','e','y',0};

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    V_VT(&var) = VT_BSTR;
    V_BSTR(&var) = v;
    return IHTMLElement_setAttribute(&This->IHTMLElement_iface, accessKeyW, var, 0);
}

static HRESULT WINAPI HTMLElement2_get_accessKey(IHTMLElement2 *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_onblur(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_BLUR, &v);
}

static HRESULT WINAPI HTMLElement2_get_onblur(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_BLUR, p);
}

static HRESULT WINAPI HTMLElement2_put_onfocus(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_FOCUS, &v);
}

static HRESULT WINAPI HTMLElement2_get_onfocus(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_FOCUS, p);
}

static HRESULT WINAPI HTMLElement2_put_onresize(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onresize(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_blur(IHTMLElement2 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)\n", This);

    nsres = nsIDOMHTMLElement_Blur(This->nselem);
    if(NS_FAILED(nsres)) {
        ERR("Blur failed: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement2_addFilter(IHTMLElement2 *iface, IUnknown *pUnk)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, pUnk);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_removeFilter(IHTMLElement2 *iface, IUnknown *pUnk)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, pUnk);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_clientHeight(IHTMLElement2 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetClientHeight(This->nselem, p);
    assert(nsres == NS_OK);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_get_clientWidth(IHTMLElement2 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetClientWidth(This->nselem, p);
    assert(nsres == NS_OK);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_get_clientTop(IHTMLElement2 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetClientTop(This->nselem, p);
    assert(nsres == NS_OK);

    TRACE("*p = %d\n", *p);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_get_clientLeft(IHTMLElement2 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetClientLeft(This->nselem, p);
    assert(nsres == NS_OK);

    TRACE("*p = %d\n", *p);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_attachEvent(IHTMLElement2 *iface, BSTR event,
                                               IDispatch *pDisp, VARIANT_BOOL *pfResult)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%s %p %p)\n", This, debugstr_w(event), pDisp, pfResult);

    return attach_event(&This->node.event_target, event, pDisp, pfResult);
}

static HRESULT WINAPI HTMLElement2_detachEvent(IHTMLElement2 *iface, BSTR event, IDispatch *pDisp)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%s %p)\n", This, debugstr_w(event), pDisp);

    return detach_event(&This->node.event_target, event, pDisp);
}

static HRESULT WINAPI HTMLElement2_get_readyState(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    BSTR str;

    TRACE("(%p)->(%p)\n", This, p);

    if(This->node.vtbl->get_readystate) {
        HRESULT hres;

        hres = This->node.vtbl->get_readystate(&This->node, &str);
        if(FAILED(hres))
            return hres;
    }else {
        static const WCHAR completeW[] = {'c','o','m','p','l','e','t','e',0};

        str = SysAllocString(completeW);
        if(!str)
            return E_OUTOFMEMORY;
    }

    V_VT(p) = VT_BSTR;
    V_BSTR(p) = str;
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_put_onreadystatechange(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_READYSTATECHANGE, &v);
}

static HRESULT WINAPI HTMLElement2_get_onreadystatechange(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_READYSTATECHANGE, p);
}

static HRESULT WINAPI HTMLElement2_put_onrowsdelete(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onrowsdelete(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_onrowsinserted(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onrowsinserted(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_oncellchange(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_oncellchange(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_dir(IHTMLElement2 *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsAString nsstr;
    nsresult nsres;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    if(!This->nselem) {
        FIXME("Unsupported for comment nodes.\n");
        return S_OK;
    }

    nsAString_InitDepend(&nsstr, v);
    nsres = nsIDOMHTMLElement_SetDir(This->nselem, &nsstr);
    nsAString_Finish(&nsstr);
    if(NS_FAILED(nsres)) {
        ERR("SetDir failed: %08x\n", nsres);
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement2_get_dir(IHTMLElement2 *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsAString dir_str;
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    if(!This->nselem) {
        *p = NULL;
        return S_OK;
    }

    nsAString_Init(&dir_str, NULL);
    nsres = nsIDOMHTMLElement_GetDir(This->nselem, &dir_str);
    return return_nsstr(nsres, &dir_str, p);
}

static HRESULT WINAPI HTMLElement2_createControlRange(IHTMLElement2 *iface, IDispatch **range)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, range);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_scrollHeight(IHTMLElement2 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetScrollHeight(This->nselem, p);
    assert(nsres == NS_OK);

    TRACE("*p = %d\n", *p);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_get_scrollWidth(IHTMLElement2 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetScrollWidth(This->nselem, p);
    assert(nsres == NS_OK);

    TRACE("*p = %d\n", *p);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_put_scrollTop(IHTMLElement2 *iface, LONG v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%d)\n", This, v);

    if(!This->nselem) {
        FIXME("NULL nselem\n");
        return E_NOTIMPL;
    }

    nsIDOMHTMLElement_SetScrollTop(This->nselem, v);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_get_scrollTop(IHTMLElement2 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    nsres = nsIDOMHTMLElement_GetScrollTop(This->nselem, p);
    assert(nsres == NS_OK);

    TRACE("*p = %d\n", *p);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_put_scrollLeft(IHTMLElement2 *iface, LONG v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%d)\n", This, v);

    if(!This->nselem) {
        FIXME("NULL nselem\n");
        return E_NOTIMPL;
    }

    nsIDOMHTMLElement_SetScrollLeft(This->nselem, v);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_get_scrollLeft(IHTMLElement2 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsresult nsres;

    TRACE("(%p)->(%p)\n", This, p);

    if(!p)
        return E_INVALIDARG;

    if(!This->nselem)
    {
        FIXME("NULL nselem\n");
        return E_NOTIMPL;
    }

    nsres = nsIDOMHTMLElement_GetScrollLeft(This->nselem, p);
    assert(nsres == NS_OK);

    TRACE("*p = %d\n", *p);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_clearAttributes(IHTMLElement2 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_mergeAttributes(IHTMLElement2 *iface, IHTMLElement *mergeThis)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, mergeThis);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_oncontextmenu(IHTMLElement2 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->()\n", This);

    return set_node_event(&This->node, EVENTID_CONTEXTMENU, &v);
}

static HRESULT WINAPI HTMLElement2_get_oncontextmenu(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_CONTEXTMENU, p);
}

static HRESULT WINAPI HTMLElement2_insertAdjacentElement(IHTMLElement2 *iface, BSTR where,
        IHTMLElement *insertedElement, IHTMLElement **inserted)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    HTMLDOMNode *ret_node;
    HTMLElement *elem;
    HRESULT hres;

    TRACE("(%p)->(%s %p %p)\n", This, debugstr_w(where), insertedElement, inserted);

    elem = unsafe_impl_from_IHTMLElement(insertedElement);
    if(!elem)
        return E_INVALIDARG;

    hres = insert_adjacent_node(This, where, elem->node.nsnode, &ret_node);
    if(FAILED(hres))
        return hres;

    hres = IHTMLDOMNode_QueryInterface(&ret_node->IHTMLDOMNode_iface, &IID_IHTMLElement, (void**)inserted);
    IHTMLDOMNode_Release(&ret_node->IHTMLDOMNode_iface);
    return hres;
}

static HRESULT WINAPI HTMLElement2_applyElement(IHTMLElement2 *iface, IHTMLElement *apply,
                                                BSTR where, IHTMLElement **applied)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p %s %p)\n", This, apply, debugstr_w(where), applied);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_getAdjacentText(IHTMLElement2 *iface, BSTR where, BSTR *text)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%s %p)\n", This, debugstr_w(where), text);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_replaceAdjacentText(IHTMLElement2 *iface, BSTR where,
                                                       BSTR newText, BSTR *oldText)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%s %s %p)\n", This, debugstr_w(where), debugstr_w(newText), oldText);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_canHandleChildren(IHTMLElement2 *iface, VARIANT_BOOL *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_addBehavior(IHTMLElement2 *iface, BSTR bstrUrl,
                                               VARIANT *pvarFactory, LONG *pCookie)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%s %p %p)\n", This, debugstr_w(bstrUrl), pvarFactory, pCookie);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_removeBehavior(IHTMLElement2 *iface, LONG cookie,
                                                  VARIANT_BOOL *pfResult)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%d %p)\n", This, cookie, pfResult);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_runtimeStyle(IHTMLElement2 *iface, IHTMLStyle **p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);

    FIXME("(%p)->(%p): hack\n", This, p);

    /* We can't implement correct behavior on top of Gecko (although we could
       try a bit harder). Making runtimeStyle behave like regular style is
       enough for most use cases. */
    if(!This->runtime_style) {
        HRESULT hres;

        hres = HTMLStyle_Create(This, &This->runtime_style);
        if(FAILED(hres))
            return hres;
    }

    *p = &This->runtime_style->IHTMLStyle_iface;
    IHTMLStyle_AddRef(*p);
    return S_OK;
}

static HRESULT WINAPI HTMLElement2_get_behaviorUrns(IHTMLElement2 *iface, IDispatch **p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_tagUrn(IHTMLElement2 *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_w(v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_tagUrn(IHTMLElement2 *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_put_onbeforeeditfocus(IHTMLElement2 *iface, VARIANT vv)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->()\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_onbeforeeditfocus(IHTMLElement2 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_get_readyStateValue(IHTMLElement2 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement2_getElementsByTagName(IHTMLElement2 *iface, BSTR v,
                                                       IHTMLElementCollection **pelColl)
{
    HTMLElement *This = impl_from_IHTMLElement2(iface);
    nsIDOMHTMLCollection *nscol;
    nsAString tag_str;
    nsresult nsres;

    TRACE("(%p)->(%s %p)\n", This, debugstr_w(v), pelColl);

    nsAString_InitDepend(&tag_str, v);
    nsres = nsIDOMHTMLElement_GetElementsByTagName(This->nselem, &tag_str, &nscol);
    nsAString_Finish(&tag_str);
    if(NS_FAILED(nsres)) {
        ERR("GetElementByTagName failed: %08x\n", nsres);
        return E_FAIL;
    }

    *pelColl = create_collection_from_htmlcol(This->node.doc, nscol);
    nsIDOMHTMLCollection_Release(nscol);
    return S_OK;
}

static const IHTMLElement2Vtbl HTMLElement2Vtbl = {
    HTMLElement2_QueryInterface,
    HTMLElement2_AddRef,
    HTMLElement2_Release,
    HTMLElement2_GetTypeInfoCount,
    HTMLElement2_GetTypeInfo,
    HTMLElement2_GetIDsOfNames,
    HTMLElement2_Invoke,
    HTMLElement2_get_scopeName,
    HTMLElement2_setCapture,
    HTMLElement2_releaseCapture,
    HTMLElement2_put_onlosecapture,
    HTMLElement2_get_onlosecapture,
    HTMLElement2_componentFromPoint,
    HTMLElement2_doScroll,
    HTMLElement2_put_onscroll,
    HTMLElement2_get_onscroll,
    HTMLElement2_put_ondrag,
    HTMLElement2_get_ondrag,
    HTMLElement2_put_ondragend,
    HTMLElement2_get_ondragend,
    HTMLElement2_put_ondragenter,
    HTMLElement2_get_ondragenter,
    HTMLElement2_put_ondragover,
    HTMLElement2_get_ondragover,
    HTMLElement2_put_ondragleave,
    HTMLElement2_get_ondragleave,
    HTMLElement2_put_ondrop,
    HTMLElement2_get_ondrop,
    HTMLElement2_put_onbeforecut,
    HTMLElement2_get_onbeforecut,
    HTMLElement2_put_oncut,
    HTMLElement2_get_oncut,
    HTMLElement2_put_onbeforecopy,
    HTMLElement2_get_onbeforecopy,
    HTMLElement2_put_oncopy,
    HTMLElement2_get_oncopy,
    HTMLElement2_put_onbeforepaste,
    HTMLElement2_get_onbeforepaste,
    HTMLElement2_put_onpaste,
    HTMLElement2_get_onpaste,
    HTMLElement2_get_currentStyle,
    HTMLElement2_put_onpropertychange,
    HTMLElement2_get_onpropertychange,
    HTMLElement2_getClientRects,
    HTMLElement2_getBoundingClientRect,
    HTMLElement2_setExpression,
    HTMLElement2_getExpression,
    HTMLElement2_removeExpression,
    HTMLElement2_put_tabIndex,
    HTMLElement2_get_tabIndex,
    HTMLElement2_focus,
    HTMLElement2_put_accessKey,
    HTMLElement2_get_accessKey,
    HTMLElement2_put_onblur,
    HTMLElement2_get_onblur,
    HTMLElement2_put_onfocus,
    HTMLElement2_get_onfocus,
    HTMLElement2_put_onresize,
    HTMLElement2_get_onresize,
    HTMLElement2_blur,
    HTMLElement2_addFilter,
    HTMLElement2_removeFilter,
    HTMLElement2_get_clientHeight,
    HTMLElement2_get_clientWidth,
    HTMLElement2_get_clientTop,
    HTMLElement2_get_clientLeft,
    HTMLElement2_attachEvent,
    HTMLElement2_detachEvent,
    HTMLElement2_get_readyState,
    HTMLElement2_put_onreadystatechange,
    HTMLElement2_get_onreadystatechange,
    HTMLElement2_put_onrowsdelete,
    HTMLElement2_get_onrowsdelete,
    HTMLElement2_put_onrowsinserted,
    HTMLElement2_get_onrowsinserted,
    HTMLElement2_put_oncellchange,
    HTMLElement2_get_oncellchange,
    HTMLElement2_put_dir,
    HTMLElement2_get_dir,
    HTMLElement2_createControlRange,
    HTMLElement2_get_scrollHeight,
    HTMLElement2_get_scrollWidth,
    HTMLElement2_put_scrollTop,
    HTMLElement2_get_scrollTop,
    HTMLElement2_put_scrollLeft,
    HTMLElement2_get_scrollLeft,
    HTMLElement2_clearAttributes,
    HTMLElement2_mergeAttributes,
    HTMLElement2_put_oncontextmenu,
    HTMLElement2_get_oncontextmenu,
    HTMLElement2_insertAdjacentElement,
    HTMLElement2_applyElement,
    HTMLElement2_getAdjacentText,
    HTMLElement2_replaceAdjacentText,
    HTMLElement2_get_canHandleChildren,
    HTMLElement2_addBehavior,
    HTMLElement2_removeBehavior,
    HTMLElement2_get_runtimeStyle,
    HTMLElement2_get_behaviorUrns,
    HTMLElement2_put_tagUrn,
    HTMLElement2_get_tagUrn,
    HTMLElement2_put_onbeforeeditfocus,
    HTMLElement2_get_onbeforeeditfocus,
    HTMLElement2_get_readyStateValue,
    HTMLElement2_getElementsByTagName,
};

static inline HTMLElement *impl_from_IHTMLElement3(IHTMLElement3 *iface)
{
    return CONTAINING_RECORD(iface, HTMLElement, IHTMLElement3_iface);
}

static HRESULT WINAPI HTMLElement3_QueryInterface(IHTMLElement3 *iface,
                                                  REFIID riid, void **ppv)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    return IHTMLElement_QueryInterface(&This->IHTMLElement_iface, riid, ppv);
}

static ULONG WINAPI HTMLElement3_AddRef(IHTMLElement3 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    return IHTMLElement_AddRef(&This->IHTMLElement_iface);
}

static ULONG WINAPI HTMLElement3_Release(IHTMLElement3 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    return IHTMLElement_Release(&This->IHTMLElement_iface);
}

static HRESULT WINAPI HTMLElement3_GetTypeInfoCount(IHTMLElement3 *iface, UINT *pctinfo)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    return IDispatchEx_GetTypeInfoCount(&This->node.event_target.dispex.IDispatchEx_iface, pctinfo);
}

static HRESULT WINAPI HTMLElement3_GetTypeInfo(IHTMLElement3 *iface, UINT iTInfo,
                                               LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    return IDispatchEx_GetTypeInfo(&This->node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLElement3_GetIDsOfNames(IHTMLElement3 *iface, REFIID riid,
                                                LPOLESTR *rgszNames, UINT cNames,
                                                LCID lcid, DISPID *rgDispId)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    return IDispatchEx_GetIDsOfNames(&This->node.event_target.dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLElement3_Invoke(IHTMLElement3 *iface, DISPID dispIdMember,
                            REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
                            VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    return IDispatchEx_Invoke(&This->node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}

static HRESULT WINAPI HTMLElement3_mergeAttributes(IHTMLElement3 *iface, IHTMLElement *mergeThis, VARIANT *pvarFlags)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p %p)\n", This, mergeThis, pvarFlags);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_isMultiLine(IHTMLElement3 *iface, VARIANT_BOOL *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_canHaveHTML(IHTMLElement3 *iface, VARIANT_BOOL *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onlayoutcomplete(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onlayoutcomplete(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onpage(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onpage(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_inflateBlock(IHTMLElement3 *iface, VARIANT_BOOL v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%x)\n", This, v);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_inflateBlock(IHTMLElement3 *iface, VARIANT_BOOL *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onbeforedeactivate(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onbeforedeactivate(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_setActive(IHTMLElement3 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_contentEditable(IHTMLElement3 *iface, BSTR v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    nsresult nsres;
    nsAString str;

    TRACE("(%p)->(%s)\n", This, debugstr_w(v));

    nsAString_InitDepend(&str, v);
    nsres = nsIDOMHTMLElement_SetContentEditable(This->nselem, &str);
    nsAString_Finish(&str);

    if (NS_FAILED(nsres)){
        ERR("SetContentEditable(%s) failed!\n", debugstr_w(v));
        return E_FAIL;
    }

    return S_OK;
}

static HRESULT WINAPI HTMLElement3_get_contentEditable(IHTMLElement3 *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    nsresult nsres;
    nsAString str;

    TRACE("(%p)->(%p)\n", This, p);

    nsAString_Init(&str, NULL);
    nsres = nsIDOMHTMLElement_GetContentEditable(This->nselem, &str);
    return return_nsstr(nsres, &str, p);
}

static HRESULT WINAPI HTMLElement3_get_isContentEditable(IHTMLElement3 *iface, VARIANT_BOOL *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_hideFocus(IHTMLElement3 *iface, VARIANT_BOOL v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%x)\n", This, v);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_hideFocus(IHTMLElement3 *iface, VARIANT_BOOL *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static const WCHAR disabledW[] = {'d','i','s','a','b','l','e','d',0};

static HRESULT WINAPI HTMLElement3_put_disabled(IHTMLElement3 *iface, VARIANT_BOOL v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    VARIANT *var;
    HRESULT hres;

    TRACE("(%p)->(%x)\n", This, v);

    if(This->node.vtbl->put_disabled)
        return This->node.vtbl->put_disabled(&This->node, v);

    hres = dispex_get_dprop_ref(&This->node.event_target.dispex, disabledW, TRUE, &var);
    if(FAILED(hres))
        return hres;

    VariantClear(var);
    V_VT(var) = VT_BOOL;
    V_BOOL(var) = v;
    return S_OK;
}

static HRESULT WINAPI HTMLElement3_get_disabled(IHTMLElement3 *iface, VARIANT_BOOL *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    VARIANT *var;
    HRESULT hres;

    TRACE("(%p)->(%p)\n", This, p);

    if(This->node.vtbl->get_disabled)
        return This->node.vtbl->get_disabled(&This->node, p);

    hres = dispex_get_dprop_ref(&This->node.event_target.dispex, disabledW, FALSE, &var);
    if(hres == DISP_E_UNKNOWNNAME) {
        *p = VARIANT_FALSE;
        return S_OK;
    }
    if(FAILED(hres))
        return hres;

    if(V_VT(var) != VT_BOOL) {
        FIXME("value is %s\n", debugstr_variant(var));
        return E_NOTIMPL;
    }

    *p = V_BOOL(var);
    return S_OK;
}

static HRESULT WINAPI HTMLElement3_get_isDisabled(IHTMLElement3 *iface, VARIANT_BOOL *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onmove(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onmove(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_oncontrolselect(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_oncontrolselect(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_fireEvent(IHTMLElement3 *iface, BSTR bstrEventName,
        VARIANT *pvarEventObject, VARIANT_BOOL *pfCancelled)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);

    TRACE("(%p)->(%s %s %p)\n", This, debugstr_w(bstrEventName), debugstr_variant(pvarEventObject),
          pfCancelled);

    return dispatch_event(&This->node, bstrEventName, pvarEventObject, pfCancelled);
}

static HRESULT WINAPI HTMLElement3_put_onresizestart(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onresizestart(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onresizeend(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onresizeend(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onmovestart(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onmovestart(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onmoveend(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onmoveend(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onmousecenter(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onmousecenter(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onmouseleave(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onmouseleave(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_onactivate(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_onactivate(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_put_ondeactivate(IHTMLElement3 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_ondeactivate(IHTMLElement3 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_dragDrop(IHTMLElement3 *iface, VARIANT_BOOL *pfRet)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, pfRet);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement3_get_glyphMode(IHTMLElement3 *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLElement3(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static const IHTMLElement3Vtbl HTMLElement3Vtbl = {
    HTMLElement3_QueryInterface,
    HTMLElement3_AddRef,
    HTMLElement3_Release,
    HTMLElement3_GetTypeInfoCount,
    HTMLElement3_GetTypeInfo,
    HTMLElement3_GetIDsOfNames,
    HTMLElement3_Invoke,
    HTMLElement3_mergeAttributes,
    HTMLElement3_get_isMultiLine,
    HTMLElement3_get_canHaveHTML,
    HTMLElement3_put_onlayoutcomplete,
    HTMLElement3_get_onlayoutcomplete,
    HTMLElement3_put_onpage,
    HTMLElement3_get_onpage,
    HTMLElement3_put_inflateBlock,
    HTMLElement3_get_inflateBlock,
    HTMLElement3_put_onbeforedeactivate,
    HTMLElement3_get_onbeforedeactivate,
    HTMLElement3_setActive,
    HTMLElement3_put_contentEditable,
    HTMLElement3_get_contentEditable,
    HTMLElement3_get_isContentEditable,
    HTMLElement3_put_hideFocus,
    HTMLElement3_get_hideFocus,
    HTMLElement3_put_disabled,
    HTMLElement3_get_disabled,
    HTMLElement3_get_isDisabled,
    HTMLElement3_put_onmove,
    HTMLElement3_get_onmove,
    HTMLElement3_put_oncontrolselect,
    HTMLElement3_get_oncontrolselect,
    HTMLElement3_fireEvent,
    HTMLElement3_put_onresizestart,
    HTMLElement3_get_onresizestart,
    HTMLElement3_put_onresizeend,
    HTMLElement3_get_onresizeend,
    HTMLElement3_put_onmovestart,
    HTMLElement3_get_onmovestart,
    HTMLElement3_put_onmoveend,
    HTMLElement3_get_onmoveend,
    HTMLElement3_put_onmousecenter,
    HTMLElement3_get_onmousecenter,
    HTMLElement3_put_onmouseleave,
    HTMLElement3_get_onmouseleave,
    HTMLElement3_put_onactivate,
    HTMLElement3_get_onactivate,
    HTMLElement3_put_ondeactivate,
    HTMLElement3_get_ondeactivate,
    HTMLElement3_dragDrop,
    HTMLElement3_get_glyphMode
};

static inline HTMLElement *impl_from_IHTMLElement4(IHTMLElement4 *iface)
{
    return CONTAINING_RECORD(iface, HTMLElement, IHTMLElement4_iface);
}

static HRESULT WINAPI HTMLElement4_QueryInterface(IHTMLElement4 *iface,
        REFIID riid, void **ppv)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    return IHTMLElement_QueryInterface(&This->IHTMLElement_iface, riid, ppv);
}

static ULONG WINAPI HTMLElement4_AddRef(IHTMLElement4 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    return IHTMLElement_AddRef(&This->IHTMLElement_iface);
}

static ULONG WINAPI HTMLElement4_Release(IHTMLElement4 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    return IHTMLElement_Release(&This->IHTMLElement_iface);
}

static HRESULT WINAPI HTMLElement4_GetTypeInfoCount(IHTMLElement4 *iface, UINT *pctinfo)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    return IDispatchEx_GetTypeInfoCount(&This->node.event_target.dispex.IDispatchEx_iface, pctinfo);
}

static HRESULT WINAPI HTMLElement4_GetTypeInfo(IHTMLElement4 *iface, UINT iTInfo,
        LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    return IDispatchEx_GetTypeInfo(&This->node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLElement4_GetIDsOfNames(IHTMLElement4 *iface, REFIID riid,
        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    return IDispatchEx_GetIDsOfNames(&This->node.event_target.dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLElement4_Invoke(IHTMLElement4 *iface, DISPID dispIdMember, REFIID riid,
        LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    return IDispatchEx_Invoke(&This->node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}

static HRESULT WINAPI HTMLElement4_put_onmousewheel(IHTMLElement4 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_MOUSEWHEEL, &v);
}

static HRESULT WINAPI HTMLElement4_get_onmousewheel(IHTMLElement4 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_MOUSEWHEEL, p);
}

static HRESULT WINAPI HTMLElement4_normalize(IHTMLElement4 *iface)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    FIXME("(%p)\n", This);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement4_getAttributeNode(IHTMLElement4 *iface, BSTR bstrname, IHTMLDOMAttribute **ppAttribute)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    HTMLAttributeCollection *attrs;
    HRESULT hres;

    TRACE("(%p)->(%s %p)\n", This, debugstr_w(bstrname), ppAttribute);

    hres = HTMLElement_get_attr_col(&This->node, &attrs);
    if(FAILED(hres))
        return hres;

    hres = IHTMLAttributeCollection2_getNamedItem(&attrs->IHTMLAttributeCollection2_iface, bstrname, ppAttribute);
    IHTMLAttributeCollection_Release(&attrs->IHTMLAttributeCollection_iface);
    return hres;
}

static HRESULT WINAPI HTMLElement4_setAttributeNode(IHTMLElement4 *iface, IHTMLDOMAttribute *pattr,
        IHTMLDOMAttribute **ppretAttribute)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    HTMLDOMAttribute *attr, *iter, *replace = NULL;
    HTMLAttributeCollection *attrs;
    DISPID dispid;
    HRESULT hres;

    TRACE("(%p)->(%p %p)\n", This, pattr, ppretAttribute);

    attr = unsafe_impl_from_IHTMLDOMAttribute(pattr);
    if(!attr)
        return E_INVALIDARG;

    if(attr->elem) {
        WARN("Tried to set already attached attribute.\n");
        return E_INVALIDARG;
    }

    hres = IDispatchEx_GetDispID(&This->node.event_target.dispex.IDispatchEx_iface,
            attr->name, fdexNameCaseInsensitive|fdexNameEnsure, &dispid);
    if(FAILED(hres))
        return hres;

    hres = HTMLElement_get_attr_col(&This->node, &attrs);
    if(FAILED(hres))
        return hres;

    LIST_FOR_EACH_ENTRY(iter, &attrs->attrs, HTMLDOMAttribute, entry) {
        if(iter->dispid == dispid) {
            replace = iter;
            break;
        }
    }

    if(replace) {
        hres = get_elem_attr_value_by_dispid(This, dispid, &replace->value);
        if(FAILED(hres)) {
            WARN("could not get attr value: %08x\n", hres);
            V_VT(&replace->value) = VT_EMPTY;
        }
        if(!replace->name) {
            replace->name = attr->name;
            attr->name = NULL;
        }
        list_add_head(&replace->entry, &attr->entry);
        list_remove(&replace->entry);
        replace->elem = NULL;
    }else {
        list_add_tail(&attrs->attrs, &attr->entry);
    }

    IHTMLDOMAttribute_AddRef(&attr->IHTMLDOMAttribute_iface);
    attr->elem = This;
    attr->dispid = dispid;

    IHTMLAttributeCollection_Release(&attrs->IHTMLAttributeCollection_iface);

    hres = set_elem_attr_value_by_dispid(This, dispid, &attr->value);
    if(FAILED(hres))
        WARN("Could not set attribute value: %08x\n", hres);
    VariantClear(&attr->value);

    *ppretAttribute = replace ? &replace->IHTMLDOMAttribute_iface : NULL;
    return S_OK;
}

static HRESULT WINAPI HTMLElement4_removeAttributeNode(IHTMLElement4 *iface, IHTMLDOMAttribute *pattr,
        IHTMLDOMAttribute **ppretAttribute)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    FIXME("(%p)->(%p %p)\n", This, pattr, ppretAttribute);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement4_put_onbeforeactivate(IHTMLElement4 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    FIXME("(%p)->(%s)\n", This, debugstr_variant(&v));
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement4_get_onbeforeactivate(IHTMLElement4 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLElement4_put_onfocusin(IHTMLElement4 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_FOCUSIN, &v);
}

static HRESULT WINAPI HTMLElement4_get_onfocusin(IHTMLElement4 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_FOCUSIN, p);
}

static HRESULT WINAPI HTMLElement4_put_onfocusout(IHTMLElement4 *iface, VARIANT v)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);

    TRACE("(%p)->(%s)\n", This, debugstr_variant(&v));

    return set_node_event(&This->node, EVENTID_FOCUSOUT, &v);
}

static HRESULT WINAPI HTMLElement4_get_onfocusout(IHTMLElement4 *iface, VARIANT *p)
{
    HTMLElement *This = impl_from_IHTMLElement4(iface);

    TRACE("(%p)->(%p)\n", This, p);

    return get_node_event(&This->node, EVENTID_FOCUSOUT, p);
}

static const IHTMLElement4Vtbl HTMLElement4Vtbl = {
    HTMLElement4_QueryInterface,
    HTMLElement4_AddRef,
    HTMLElement4_Release,
    HTMLElement4_GetTypeInfoCount,
    HTMLElement4_GetTypeInfo,
    HTMLElement4_GetIDsOfNames,
    HTMLElement4_Invoke,
    HTMLElement4_put_onmousewheel,
    HTMLElement4_get_onmousewheel,
    HTMLElement4_normalize,
    HTMLElement4_getAttributeNode,
    HTMLElement4_setAttributeNode,
    HTMLElement4_removeAttributeNode,
    HTMLElement4_put_onbeforeactivate,
    HTMLElement4_get_onbeforeactivate,
    HTMLElement4_put_onfocusin,
    HTMLElement4_get_onfocusin,
    HTMLElement4_put_onfocusout,
    HTMLElement4_get_onfocusout
};

static inline HTMLElement *impl_from_IHTMLUniqueName(IHTMLUniqueName *iface)
{
    return CONTAINING_RECORD(iface, HTMLElement, IHTMLUniqueName_iface);
}

static HRESULT WINAPI HTMLUniqueName_QueryInterface(IHTMLUniqueName *iface, REFIID riid, void **ppv)
{
    HTMLElement *This = impl_from_IHTMLUniqueName(iface);
    return IHTMLElement_QueryInterface(&This->IHTMLElement_iface, riid, ppv);
}

static ULONG WINAPI HTMLUniqueName_AddRef(IHTMLUniqueName *iface)
{
    HTMLElement *This = impl_from_IHTMLUniqueName(iface);
    return IHTMLElement_AddRef(&This->IHTMLElement_iface);
}

static ULONG WINAPI HTMLUniqueName_Release(IHTMLUniqueName *iface)
{
    HTMLElement *This = impl_from_IHTMLUniqueName(iface);
    return IHTMLElement_Release(&This->IHTMLElement_iface);
}

static HRESULT WINAPI HTMLUniqueName_GetTypeInfoCount(IHTMLUniqueName *iface, UINT *pctinfo)
{
    HTMLElement *This = impl_from_IHTMLUniqueName(iface);
    return IDispatchEx_GetTypeInfoCount(&This->node.event_target.dispex.IDispatchEx_iface, pctinfo);
}

static HRESULT WINAPI HTMLUniqueName_GetTypeInfo(IHTMLUniqueName *iface, UINT iTInfo,
        LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLElement *This = impl_from_IHTMLUniqueName(iface);
    return IDispatchEx_GetTypeInfo(&This->node.event_target.dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLUniqueName_GetIDsOfNames(IHTMLUniqueName *iface, REFIID riid,
        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
    HTMLElement *This = impl_from_IHTMLUniqueName(iface);
    return IDispatchEx_GetIDsOfNames(&This->node.event_target.dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLUniqueName_Invoke(IHTMLUniqueName *iface, DISPID dispIdMember, REFIID riid,
        LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLElement *This = impl_from_IHTMLUniqueName(iface);
    return IDispatchEx_Invoke(&This->node.event_target.dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}

HRESULT elem_unique_id(unsigned id, BSTR *p)
{
    WCHAR buf[32];

    static const WCHAR formatW[] = {'m','s','_','_','i','d','%','u',0};

    sprintfW(buf, formatW, id);
    *p = SysAllocString(buf);
    return *p ? S_OK : E_OUTOFMEMORY;
}

static void ensure_unique_id(HTMLElement *elem)
{
    if(!elem->unique_id)
        elem->unique_id = ++elem->node.doc->unique_id;
}

static HRESULT WINAPI HTMLUniqueName_get_uniqueNumber(IHTMLUniqueName *iface, LONG *p)
{
    HTMLElement *This = impl_from_IHTMLUniqueName(iface);

    TRACE("(%p)->(%p)\n", This, p);

    ensure_unique_id(This);
    *p = This->unique_id;
    return S_OK;
}

static HRESULT WINAPI HTMLUniqueName_get_uniqueID(IHTMLUniqueName *iface, BSTR *p)
{
    HTMLElement *This = impl_from_IHTMLUniqueName(iface);

    TRACE("(%p)->(%p)\n", This, p);

    ensure_unique_id(This);
    return elem_unique_id(This->unique_id, p);
}

static const IHTMLUniqueNameVtbl HTMLUniqueNameVtbl = {
    HTMLUniqueName_QueryInterface,
    HTMLUniqueName_AddRef,
    HTMLUniqueName_Release,
    HTMLUniqueName_GetTypeInfoCount,
    HTMLUniqueName_GetTypeInfo,
    HTMLUniqueName_GetIDsOfNames,
    HTMLUniqueName_Invoke,
    HTMLUniqueName_get_uniqueNumber,
    HTMLUniqueName_get_uniqueID
};

static inline HTMLElement *impl_from_HTMLDOMNode(HTMLDOMNode *iface)
{
    return CONTAINING_RECORD(iface, HTMLElement, node);
}

HRESULT HTMLElement_QI(HTMLDOMNode *iface, REFIID riid, void **ppv)
{
    HTMLElement *This = impl_from_HTMLDOMNode(iface);

    if(IsEqualGUID(&IID_IUnknown, riid)) {
        *ppv = &This->IHTMLElement_iface;
    }else if(IsEqualGUID(&IID_IDispatch, riid)) {
        *ppv = &This->IHTMLElement_iface;
    }else if(IsEqualGUID(&IID_IHTMLElement, riid)) {
        *ppv = &This->IHTMLElement_iface;
    }else if(IsEqualGUID(&IID_IHTMLElement2, riid)) {
        *ppv = &This->IHTMLElement2_iface;
    }else if(IsEqualGUID(&IID_IHTMLElement3, riid)) {
        *ppv = &This->IHTMLElement3_iface;
    }else if(IsEqualGUID(&IID_IHTMLElement4, riid)) {
        *ppv = &This->IHTMLElement4_iface;
    }else if(IsEqualGUID(&IID_IHTMLUniqueName, riid)) {
        *ppv = &This->IHTMLUniqueName_iface;
    }else if(IsEqualGUID(&IID_IConnectionPointContainer, riid)) {
        *ppv = &This->cp_container.IConnectionPointContainer_iface;
    }else {
        return HTMLDOMNode_QI(&This->node, riid, ppv);
    }

    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
}

void HTMLElement_destructor(HTMLDOMNode *iface)
{
    HTMLElement *This = impl_from_HTMLDOMNode(iface);

    ConnectionPointContainer_Destroy(&This->cp_container);

    if(This->style) {
        This->style->elem = NULL;
        IHTMLStyle_Release(&This->style->IHTMLStyle_iface);
    }
    if(This->runtime_style) {
        This->runtime_style->elem = NULL;
        IHTMLStyle_Release(&This->runtime_style->IHTMLStyle_iface);
    }
    if(This->attrs) {
        HTMLDOMAttribute *attr;

        LIST_FOR_EACH_ENTRY(attr, &This->attrs->attrs, HTMLDOMAttribute, entry)
            attr->elem = NULL;

        This->attrs->elem = NULL;
        IHTMLAttributeCollection_Release(&This->attrs->IHTMLAttributeCollection_iface);
    }

    heap_free(This->filter);

    HTMLDOMNode_destructor(&This->node);
}

HRESULT HTMLElement_clone(HTMLDOMNode *iface, nsIDOMNode *nsnode, HTMLDOMNode **ret)
{
    HTMLElement *This = impl_from_HTMLDOMNode(iface);
    HTMLElement *new_elem;
    HRESULT hres;

    hres = HTMLElement_Create(This->node.doc, nsnode, FALSE, &new_elem);
    if(FAILED(hres))
        return hres;

    if(This->filter) {
        new_elem->filter = heap_strdupW(This->filter);
        if(!new_elem->filter) {
            IHTMLElement_Release(&This->IHTMLElement_iface);
            return E_OUTOFMEMORY;
        }
    }

    *ret = &new_elem->node;
    return S_OK;
}

HRESULT HTMLElement_handle_event(HTMLDOMNode *iface, DWORD eid, nsIDOMEvent *event, BOOL *prevent_default)
{
    HTMLElement *This = impl_from_HTMLDOMNode(iface);

    switch(eid) {
    case EVENTID_KEYDOWN: {
        nsIDOMKeyEvent *key_event;
        nsresult nsres;

        nsres = nsIDOMEvent_QueryInterface(event, &IID_nsIDOMKeyEvent, (void**)&key_event);
        if(NS_SUCCEEDED(nsres)) {
            UINT32 code = 0;

            nsIDOMKeyEvent_GetKeyCode(key_event, &code);

            switch(code) {
            case VK_F1: /* DOM_VK_F1 */
                TRACE("F1 pressed\n");
                fire_event(This->node.doc, EVENTID_HELP, TRUE, &This->node, NULL, NULL);
                *prevent_default = TRUE;
            }

            nsIDOMKeyEvent_Release(key_event);
        }
    }
    }

    return S_OK;
}

cp_static_data_t HTMLElementEvents2_data = { HTMLElementEvents2_tid, NULL /* FIXME */, TRUE };

const cpc_entry_t HTMLElement_cpc[] = {
    HTMLELEMENT_CPC,
    {NULL}
};

static const NodeImplVtbl HTMLElementImplVtbl = {
    HTMLElement_QI,
    HTMLElement_destructor,
    HTMLElement_cpc,
    HTMLElement_clone,
    HTMLElement_handle_event,
    HTMLElement_get_attr_col
};

static inline HTMLElement *impl_from_DispatchEx(DispatchEx *iface)
{
    return CONTAINING_RECORD(iface, HTMLElement, node.event_target.dispex);
}

static HRESULT HTMLElement_get_dispid(DispatchEx *dispex, BSTR name,
        DWORD grfdex, DISPID *pid)
{
    HTMLElement *This = impl_from_DispatchEx(dispex);

    if(This->node.vtbl->get_dispid)
        return This->node.vtbl->get_dispid(&This->node, name, grfdex, pid);

    return DISP_E_UNKNOWNNAME;
}

static HRESULT HTMLElement_invoke(DispatchEx *dispex, DISPID id, LCID lcid,
        WORD flags, DISPPARAMS *params, VARIANT *res, EXCEPINFO *ei,
        IServiceProvider *caller)
{
    HTMLElement *This = impl_from_DispatchEx(dispex);

    if(This->node.vtbl->invoke)
        return This->node.vtbl->invoke(&This->node, id, lcid, flags,
                params, res, ei, caller);

    ERR("(%p): element has no invoke method\n", This);
    return E_NOTIMPL;
}

static HRESULT HTMLElement_populate_props(DispatchEx *dispex)
{
    HTMLElement *This = impl_from_DispatchEx(dispex);
    nsIDOMMozNamedAttrMap *attrs;
    nsIDOMAttr *attr;
    nsAString nsstr;
    const PRUnichar *str;
    BSTR name;
    VARIANT value;
    unsigned i;
    UINT32 len;
    DISPID id;
    nsresult nsres;
    HRESULT hres;

    if(!This->nselem)
        return S_FALSE;

    nsres = nsIDOMHTMLElement_GetAttributes(This->nselem, &attrs);
    if(NS_FAILED(nsres))
        return E_FAIL;

    nsres = nsIDOMMozNamedAttrMap_GetLength(attrs, &len);
    if(NS_FAILED(nsres)) {
        nsIDOMMozNamedAttrMap_Release(attrs);
        return E_FAIL;
    }

    nsAString_Init(&nsstr, NULL);
    for(i=0; i<len; i++) {
        nsres = nsIDOMMozNamedAttrMap_Item(attrs, i, &attr);
        if(NS_FAILED(nsres))
            continue;

        nsres = nsIDOMAttr_GetNodeName(attr, &nsstr);
        if(NS_FAILED(nsres)) {
            nsIDOMAttr_Release(attr);
            continue;
        }

        nsAString_GetData(&nsstr, &str);
        name = SysAllocString(str);
        if(!name) {
            nsIDOMAttr_Release(attr);
            continue;
        }

        hres = IDispatchEx_GetDispID(&dispex->IDispatchEx_iface, name, fdexNameCaseInsensitive, &id);
        if(hres != DISP_E_UNKNOWNNAME) {
            nsIDOMAttr_Release(attr);
            SysFreeString(name);
            continue;
        }

        nsres = nsIDOMAttr_GetNodeValue(attr, &nsstr);
        nsIDOMAttr_Release(attr);
        if(NS_FAILED(nsres)) {
            SysFreeString(name);
            continue;
        }

        nsAString_GetData(&nsstr, &str);
        V_VT(&value) = VT_BSTR;
        if(*str) {
            V_BSTR(&value) = SysAllocString(str);
            if(!V_BSTR(&value)) {
                SysFreeString(name);
                continue;
            }
        } else
            V_BSTR(&value) = NULL;

        IHTMLElement_setAttribute(&This->IHTMLElement_iface, name, value, 0);
        SysFreeString(name);
        VariantClear(&value);
    }
    nsAString_Finish(&nsstr);

    nsIDOMMozNamedAttrMap_Release(attrs);
    return S_OK;
}

static event_target_t **HTMLElement_get_event_target_ptr(DispatchEx *dispex)
{
    HTMLElement *This = impl_from_DispatchEx(dispex);
    return This->node.vtbl->get_event_target_ptr
        ? This->node.vtbl->get_event_target_ptr(&This->node)
        : &This->node.event_target.ptr;
}

static void HTMLElement_bind_event(DispatchEx *dispex, int eid)
{
    HTMLElement *This = impl_from_DispatchEx(dispex);

    static const WCHAR loadW[] = {'l','o','a','d',0};

    switch(eid) {
    case EVENTID_LOAD:
        add_nsevent_listener(This->node.doc, This->node.nsnode, loadW);
        return;
    default:
        This->node.doc->node.event_target.dispex.data->vtbl->bind_event(&This->node.doc->node.event_target.dispex, eid);
    }
}

static const tid_t HTMLElement_iface_tids[] = {
    HTMLELEMENT_TIDS,
    0
};

static dispex_static_data_vtbl_t HTMLElement_dispex_vtbl = {
    NULL,
    HTMLElement_get_dispid,
    HTMLElement_invoke,
    HTMLElement_populate_props,
    HTMLElement_get_event_target_ptr,
    HTMLElement_bind_event
};

static dispex_static_data_t HTMLElement_dispex = {
    &HTMLElement_dispex_vtbl,
    DispHTMLUnknownElement_tid,
    NULL,
    HTMLElement_iface_tids
};

void HTMLElement_Init(HTMLElement *This, HTMLDocumentNode *doc, nsIDOMHTMLElement *nselem, dispex_static_data_t *dispex_data)
{
    This->IHTMLElement_iface.lpVtbl = &HTMLElementVtbl;
    This->IHTMLElement2_iface.lpVtbl = &HTMLElement2Vtbl;
    This->IHTMLElement3_iface.lpVtbl = &HTMLElement3Vtbl;
    This->IHTMLElement4_iface.lpVtbl = &HTMLElement4Vtbl;
    This->IHTMLUniqueName_iface.lpVtbl = &HTMLUniqueNameVtbl;

    if(dispex_data && !dispex_data->vtbl)
        dispex_data->vtbl = &HTMLElement_dispex_vtbl;
    init_dispex(&This->node.event_target.dispex, (IUnknown*)&This->IHTMLElement_iface,
            dispex_data ? dispex_data : &HTMLElement_dispex);

    if(nselem) {
        HTMLDOMNode_Init(doc, &This->node, (nsIDOMNode*)nselem);

        /* No AddRef, share reference with HTMLDOMNode */
        assert((nsIDOMNode*)nselem == This->node.nsnode);
        This->nselem = nselem;
    }

    This->node.cp_container = &This->cp_container;
    ConnectionPointContainer_Init(&This->cp_container, (IUnknown*)&This->IHTMLElement_iface, This->node.vtbl->cpc_entries);
}

HRESULT HTMLElement_Create(HTMLDocumentNode *doc, nsIDOMNode *nsnode, BOOL use_generic, HTMLElement **ret)
{
    nsIDOMHTMLElement *nselem;
    nsAString class_name_str;
    const PRUnichar *class_name;
    const tag_desc_t *tag;
    HTMLElement *elem;
    nsresult nsres;
    HRESULT hres;

    nsres = nsIDOMNode_QueryInterface(nsnode, &IID_nsIDOMHTMLElement, (void**)&nselem);
    if(NS_FAILED(nsres))
        return E_FAIL;

    nsAString_Init(&class_name_str, NULL);
    nsIDOMHTMLElement_GetTagName(nselem, &class_name_str);

    nsAString_GetData(&class_name_str, &class_name);

    tag = get_tag_desc(class_name);
    if(tag) {
        hres = tag->constructor(doc, nselem, &elem);
    }else if(use_generic) {
        hres = HTMLGenericElement_Create(doc, nselem, &elem);
    }else {
        elem = heap_alloc_zero(sizeof(HTMLElement));
        if(elem) {
            elem->node.vtbl = &HTMLElementImplVtbl;
            HTMLElement_Init(elem, doc, nselem, &HTMLElement_dispex);
            hres = S_OK;
        }else {
            hres = E_OUTOFMEMORY;
        }
    }

    TRACE("%s ret %p\n", debugstr_w(class_name), elem);

    nsIDOMHTMLElement_Release(nselem);
    nsAString_Finish(&class_name_str);
    if(FAILED(hres))
        return hres;

    *ret = elem;
    return S_OK;
}

HRESULT get_elem(HTMLDocumentNode *doc, nsIDOMElement *nselem, HTMLElement **ret)
{
    HTMLDOMNode *node;
    HRESULT hres;

    hres = get_node(doc, (nsIDOMNode*)nselem, TRUE, &node);
    if(FAILED(hres))
        return hres;

    *ret = impl_from_HTMLDOMNode(node);
    return S_OK;
}

/* interface IHTMLFiltersCollection */
static HRESULT WINAPI HTMLFiltersCollection_QueryInterface(IHTMLFiltersCollection *iface, REFIID riid, void **ppv)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);

    TRACE("%p %s %p\n", This, debugstr_mshtml_guid(riid), ppv );

    if(IsEqualGUID(&IID_IUnknown, riid)) {
        *ppv = &This->IHTMLFiltersCollection_iface;
    }else if(IsEqualGUID(&IID_IHTMLFiltersCollection, riid)) {
        TRACE("(%p)->(IID_IHTMLFiltersCollection %p)\n", This, ppv);
        *ppv = &This->IHTMLFiltersCollection_iface;
    }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
        return *ppv ? S_OK : E_NOINTERFACE;
    }else {
        *ppv = NULL;
        FIXME("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
        return E_NOINTERFACE;
    }

    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
}

static ULONG WINAPI HTMLFiltersCollection_AddRef(IHTMLFiltersCollection *iface)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);
    LONG ref = InterlockedIncrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    return ref;
}

static ULONG WINAPI HTMLFiltersCollection_Release(IHTMLFiltersCollection *iface)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);
    LONG ref = InterlockedDecrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    if(!ref)
    {
        heap_free(This);
    }

    return ref;
}

static HRESULT WINAPI HTMLFiltersCollection_GetTypeInfoCount(IHTMLFiltersCollection *iface, UINT *pctinfo)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);
    return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}

static HRESULT WINAPI HTMLFiltersCollection_GetTypeInfo(IHTMLFiltersCollection *iface,
                                    UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);
    return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLFiltersCollection_GetIDsOfNames(IHTMLFiltersCollection *iface,
                                    REFIID riid, LPOLESTR *rgszNames, UINT cNames,
                                    LCID lcid, DISPID *rgDispId)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);
    return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLFiltersCollection_Invoke(IHTMLFiltersCollection *iface, DISPID dispIdMember, REFIID riid,
                                    LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult,
                                    EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);
    return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}

static HRESULT WINAPI HTMLFiltersCollection_get_length(IHTMLFiltersCollection *iface, LONG *p)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);

    if(!p)
        return E_POINTER;

    FIXME("(%p)->(%p) Always returning 0\n", This, p);
    *p = 0;

    return S_OK;
}

static HRESULT WINAPI HTMLFiltersCollection_get__newEnum(IHTMLFiltersCollection *iface, IUnknown **p)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLFiltersCollection_item(IHTMLFiltersCollection *iface, VARIANT *pvarIndex, VARIANT *pvarResult)
{
    HTMLFiltersCollection *This = impl_from_IHTMLFiltersCollection(iface);
    FIXME("(%p)->(%p, %p)\n", This, pvarIndex, pvarResult);
    return E_NOTIMPL;
}

static const IHTMLFiltersCollectionVtbl HTMLFiltersCollectionVtbl = {
    HTMLFiltersCollection_QueryInterface,
    HTMLFiltersCollection_AddRef,
    HTMLFiltersCollection_Release,
    HTMLFiltersCollection_GetTypeInfoCount,
    HTMLFiltersCollection_GetTypeInfo,
    HTMLFiltersCollection_GetIDsOfNames,
    HTMLFiltersCollection_Invoke,
    HTMLFiltersCollection_get_length,
    HTMLFiltersCollection_get__newEnum,
    HTMLFiltersCollection_item
};

static HRESULT HTMLFiltersCollection_get_dispid(DispatchEx *dispex, BSTR name, DWORD flags, DISPID *dispid)
{
    WCHAR *ptr;
    int idx = 0;

    for(ptr = name; *ptr && isdigitW(*ptr); ptr++)
        idx = idx*10 + (*ptr-'0');
    if(*ptr)
        return DISP_E_UNKNOWNNAME;

    *dispid = MSHTML_DISPID_CUSTOM_MIN + idx;
    TRACE("ret %x\n", *dispid);
    return S_OK;
}

static HRESULT HTMLFiltersCollection_invoke(DispatchEx *dispex, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
        VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
{
    TRACE("(%p)->(%x %x %x %p %p %p)\n", dispex, id, lcid, flags, params, res, ei);

    V_VT(res) = VT_DISPATCH;
    V_DISPATCH(res) = NULL;

    FIXME("always returning NULL\n");

    return S_OK;
}

static const dispex_static_data_vtbl_t HTMLFiltersCollection_dispex_vtbl = {
    NULL,
    HTMLFiltersCollection_get_dispid,
    HTMLFiltersCollection_invoke,
    NULL
};

static const tid_t HTMLFiltersCollection_iface_tids[] = {
    IHTMLFiltersCollection_tid,
    0
};
static dispex_static_data_t HTMLFiltersCollection_dispex = {
    &HTMLFiltersCollection_dispex_vtbl,
    IHTMLFiltersCollection_tid,
    NULL,
    HTMLFiltersCollection_iface_tids
};

static IHTMLFiltersCollection *HTMLFiltersCollection_Create(void)
{
    HTMLFiltersCollection *ret = heap_alloc(sizeof(HTMLFiltersCollection));

    ret->IHTMLFiltersCollection_iface.lpVtbl = &HTMLFiltersCollectionVtbl;
    ret->ref = 1;

    init_dispex(&ret->dispex, (IUnknown*)&ret->IHTMLFiltersCollection_iface,
            &HTMLFiltersCollection_dispex);

    return &ret->IHTMLFiltersCollection_iface;
}

/* interface IHTMLAttributeCollection */
static inline HTMLAttributeCollection *impl_from_IHTMLAttributeCollection(IHTMLAttributeCollection *iface)
{
    return CONTAINING_RECORD(iface, HTMLAttributeCollection, IHTMLAttributeCollection_iface);
}

static HRESULT WINAPI HTMLAttributeCollection_QueryInterface(IHTMLAttributeCollection *iface, REFIID riid, void **ppv)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);

    TRACE("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);

    if(IsEqualGUID(&IID_IUnknown, riid)) {
        *ppv = &This->IHTMLAttributeCollection_iface;
    }else if(IsEqualGUID(&IID_IHTMLAttributeCollection, riid)) {
        *ppv = &This->IHTMLAttributeCollection_iface;
    }else if(IsEqualGUID(&IID_IHTMLAttributeCollection2, riid)) {
        *ppv = &This->IHTMLAttributeCollection2_iface;
    }else if(IsEqualGUID(&IID_IHTMLAttributeCollection3, riid)) {
        *ppv = &This->IHTMLAttributeCollection3_iface;
    }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
        return *ppv ? S_OK : E_NOINTERFACE;
    }else {
        *ppv = NULL;
        WARN("(%p)->(%s %p)\n", This, debugstr_mshtml_guid(riid), ppv);
        return E_NOINTERFACE;
    }

    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
}

static ULONG WINAPI HTMLAttributeCollection_AddRef(IHTMLAttributeCollection *iface)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);
    LONG ref = InterlockedIncrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    return ref;
}

static ULONG WINAPI HTMLAttributeCollection_Release(IHTMLAttributeCollection *iface)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);
    LONG ref = InterlockedDecrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    if(!ref) {
        while(!list_empty(&This->attrs)) {
            HTMLDOMAttribute *attr = LIST_ENTRY(list_head(&This->attrs), HTMLDOMAttribute, entry);

            list_remove(&attr->entry);
            attr->elem = NULL;
            IHTMLDOMAttribute_Release(&attr->IHTMLDOMAttribute_iface);
        }

        heap_free(This);
    }

    return ref;
}

static HRESULT WINAPI HTMLAttributeCollection_GetTypeInfoCount(IHTMLAttributeCollection *iface, UINT *pctinfo)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);
    return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}

static HRESULT WINAPI HTMLAttributeCollection_GetTypeInfo(IHTMLAttributeCollection *iface, UINT iTInfo,
        LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);
    return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLAttributeCollection_GetIDsOfNames(IHTMLAttributeCollection *iface, REFIID riid,
        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);
    return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLAttributeCollection_Invoke(IHTMLAttributeCollection *iface, DISPID dispIdMember,
        REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
        VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);
    return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}

static HRESULT get_attr_dispid_by_idx(HTMLAttributeCollection *This, LONG *idx, DISPID *dispid)
{
    IDispatchEx *dispex = &This->elem->node.event_target.dispex.IDispatchEx_iface;
    DISPID id = DISPID_STARTENUM;
    LONG len = -1;
    HRESULT hres;

    FIXME("filter non-enumerable attributes out\n");

    while(1) {
        hres = IDispatchEx_GetNextDispID(dispex, fdexEnumAll, id, &id);
        if(FAILED(hres))
            return hres;
        else if(hres == S_FALSE)
            break;

        len++;
        if(len == *idx)
            break;
    }

    if(dispid) {
        *dispid = id;
        return *idx==len ? S_OK : DISP_E_UNKNOWNNAME;
    }

    *idx = len+1;
    return S_OK;
}

static inline HRESULT get_attr_dispid_by_name(HTMLAttributeCollection *This, BSTR name, DISPID *id)
{
    HRESULT hres;

    if(name[0]>='0' && name[0]<='9') {
        WCHAR *end_ptr;
        LONG idx;

        idx = strtoulW(name, &end_ptr, 10);
        if(!*end_ptr) {
            hres = get_attr_dispid_by_idx(This, &idx, id);
            if(SUCCEEDED(hres))
                return hres;
        }
    }

    if(!This->elem) {
        WARN("NULL elem\n");
        return E_UNEXPECTED;
    }

    hres = IDispatchEx_GetDispID(&This->elem->node.event_target.dispex.IDispatchEx_iface,
            name, fdexNameCaseInsensitive, id);
    return hres;
}

static inline HRESULT get_domattr(HTMLAttributeCollection *This, DISPID id, LONG *list_pos, HTMLDOMAttribute **attr)
{
    HTMLDOMAttribute *iter;
    LONG pos = 0;
    HRESULT hres;

    *attr = NULL;
    LIST_FOR_EACH_ENTRY(iter, &This->attrs, HTMLDOMAttribute, entry) {
        if(iter->dispid == id) {
            *attr = iter;
            break;
        }
        pos++;
    }

    if(!*attr) {
        if(!This->elem) {
            WARN("NULL elem\n");
            return E_UNEXPECTED;
        }

        hres = HTMLDOMAttribute_Create(NULL, This->elem, id, attr);
        if(FAILED(hres))
            return hres;
    }

    IHTMLDOMAttribute_AddRef(&(*attr)->IHTMLDOMAttribute_iface);
    if(list_pos)
        *list_pos = pos;
    return S_OK;
}

static HRESULT WINAPI HTMLAttributeCollection_get_length(IHTMLAttributeCollection *iface, LONG *p)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);
    HRESULT hres;

    TRACE("(%p)->(%p)\n", This, p);

    *p = -1;
    hres = get_attr_dispid_by_idx(This, p, NULL);
    return hres;
}

static HRESULT WINAPI HTMLAttributeCollection__newEnum(IHTMLAttributeCollection *iface, IUnknown **p)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);
    FIXME("(%p)->(%p)\n", This, p);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLAttributeCollection_item(IHTMLAttributeCollection *iface, VARIANT *name, IDispatch **ppItem)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection(iface);
    HTMLDOMAttribute *attr;
    DISPID id;
    HRESULT hres;

    TRACE("(%p)->(%s %p)\n", This, debugstr_variant(name), ppItem);

    switch(V_VT(name)) {
    case VT_I4:
        hres = get_attr_dispid_by_idx(This, &V_I4(name), &id);
        break;
    case VT_BSTR:
        hres = get_attr_dispid_by_name(This, V_BSTR(name), &id);
        break;
    default:
        FIXME("unsupported name %s\n", debugstr_variant(name));
        hres = E_NOTIMPL;
    }
    if(hres == DISP_E_UNKNOWNNAME)
        return E_INVALIDARG;
    if(FAILED(hres))
        return hres;

    hres = get_domattr(This, id, NULL, &attr);
    if(FAILED(hres))
        return hres;

    *ppItem = (IDispatch*)&attr->IHTMLDOMAttribute_iface;
    return S_OK;
}

static const IHTMLAttributeCollectionVtbl HTMLAttributeCollectionVtbl = {
    HTMLAttributeCollection_QueryInterface,
    HTMLAttributeCollection_AddRef,
    HTMLAttributeCollection_Release,
    HTMLAttributeCollection_GetTypeInfoCount,
    HTMLAttributeCollection_GetTypeInfo,
    HTMLAttributeCollection_GetIDsOfNames,
    HTMLAttributeCollection_Invoke,
    HTMLAttributeCollection_get_length,
    HTMLAttributeCollection__newEnum,
    HTMLAttributeCollection_item
};

static inline HTMLAttributeCollection *impl_from_IHTMLAttributeCollection2(IHTMLAttributeCollection2 *iface)
{
    return CONTAINING_RECORD(iface, HTMLAttributeCollection, IHTMLAttributeCollection2_iface);
}

static HRESULT WINAPI HTMLAttributeCollection2_QueryInterface(IHTMLAttributeCollection2 *iface, REFIID riid, void **ppv)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    return IHTMLAttributeCollection_QueryInterface(&This->IHTMLAttributeCollection_iface, riid, ppv);
}

static ULONG WINAPI HTMLAttributeCollection2_AddRef(IHTMLAttributeCollection2 *iface)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    return IHTMLAttributeCollection_AddRef(&This->IHTMLAttributeCollection_iface);
}

static ULONG WINAPI HTMLAttributeCollection2_Release(IHTMLAttributeCollection2 *iface)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    return IHTMLAttributeCollection_Release(&This->IHTMLAttributeCollection_iface);
}

static HRESULT WINAPI HTMLAttributeCollection2_GetTypeInfoCount(IHTMLAttributeCollection2 *iface, UINT *pctinfo)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}

static HRESULT WINAPI HTMLAttributeCollection2_GetTypeInfo(IHTMLAttributeCollection2 *iface, UINT iTInfo,
        LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLAttributeCollection2_GetIDsOfNames(IHTMLAttributeCollection2 *iface, REFIID riid,
        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLAttributeCollection2_Invoke(IHTMLAttributeCollection2 *iface, DISPID dispIdMember,
        REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
        VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}

static HRESULT WINAPI HTMLAttributeCollection2_getNamedItem(IHTMLAttributeCollection2 *iface, BSTR bstrName,
        IHTMLDOMAttribute **newretNode)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    HTMLDOMAttribute *attr;
    DISPID id;
    HRESULT hres;

    TRACE("(%p)->(%s %p)\n", This, debugstr_w(bstrName), newretNode);

    hres = get_attr_dispid_by_name(This, bstrName, &id);
    if(hres == DISP_E_UNKNOWNNAME) {
        *newretNode = NULL;
        return S_OK;
    } else if(FAILED(hres)) {
        return hres;
    }

    hres = get_domattr(This, id, NULL, &attr);
    if(FAILED(hres))
        return hres;

    *newretNode = &attr->IHTMLDOMAttribute_iface;
    return S_OK;
}

static HRESULT WINAPI HTMLAttributeCollection2_setNamedItem(IHTMLAttributeCollection2 *iface,
        IHTMLDOMAttribute *ppNode, IHTMLDOMAttribute **newretNode)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    FIXME("(%p)->(%p %p)\n", This, ppNode, newretNode);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLAttributeCollection2_removeNamedItem(IHTMLAttributeCollection2 *iface,
        BSTR bstrName, IHTMLDOMAttribute **newretNode)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection2(iface);
    FIXME("(%p)->(%s %p)\n", This, debugstr_w(bstrName), newretNode);
    return E_NOTIMPL;
}

static const IHTMLAttributeCollection2Vtbl HTMLAttributeCollection2Vtbl = {
    HTMLAttributeCollection2_QueryInterface,
    HTMLAttributeCollection2_AddRef,
    HTMLAttributeCollection2_Release,
    HTMLAttributeCollection2_GetTypeInfoCount,
    HTMLAttributeCollection2_GetTypeInfo,
    HTMLAttributeCollection2_GetIDsOfNames,
    HTMLAttributeCollection2_Invoke,
    HTMLAttributeCollection2_getNamedItem,
    HTMLAttributeCollection2_setNamedItem,
    HTMLAttributeCollection2_removeNamedItem
};

static inline HTMLAttributeCollection *impl_from_IHTMLAttributeCollection3(IHTMLAttributeCollection3 *iface)
{
    return CONTAINING_RECORD(iface, HTMLAttributeCollection, IHTMLAttributeCollection3_iface);
}

static HRESULT WINAPI HTMLAttributeCollection3_QueryInterface(IHTMLAttributeCollection3 *iface, REFIID riid, void **ppv)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    return IHTMLAttributeCollection_QueryInterface(&This->IHTMLAttributeCollection_iface, riid, ppv);
}

static ULONG WINAPI HTMLAttributeCollection3_AddRef(IHTMLAttributeCollection3 *iface)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    return IHTMLAttributeCollection_AddRef(&This->IHTMLAttributeCollection_iface);
}

static ULONG WINAPI HTMLAttributeCollection3_Release(IHTMLAttributeCollection3 *iface)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    return IHTMLAttributeCollection_Release(&This->IHTMLAttributeCollection_iface);
}

static HRESULT WINAPI HTMLAttributeCollection3_GetTypeInfoCount(IHTMLAttributeCollection3 *iface, UINT *pctinfo)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);
}

static HRESULT WINAPI HTMLAttributeCollection3_GetTypeInfo(IHTMLAttributeCollection3 *iface, UINT iTInfo,
        LCID lcid, ITypeInfo **ppTInfo)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);
}

static HRESULT WINAPI HTMLAttributeCollection3_GetIDsOfNames(IHTMLAttributeCollection3 *iface, REFIID riid,
        LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames,
            lcid, rgDispId);
}

static HRESULT WINAPI HTMLAttributeCollection3_Invoke(IHTMLAttributeCollection3 *iface, DISPID dispIdMember,
        REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
        VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid,
            wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
}

static HRESULT WINAPI HTMLAttributeCollection3_getNamedItem(IHTMLAttributeCollection3 *iface, BSTR bstrName,
        IHTMLDOMAttribute **ppNodeOut)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    return IHTMLAttributeCollection2_getNamedItem(&This->IHTMLAttributeCollection2_iface, bstrName, ppNodeOut);
}

static HRESULT WINAPI HTMLAttributeCollection3_setNamedItem(IHTMLAttributeCollection3 *iface,
        IHTMLDOMAttribute *pNodeIn, IHTMLDOMAttribute **ppNodeOut)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    FIXME("(%p)->(%p %p)\n", This, pNodeIn, ppNodeOut);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLAttributeCollection3_removeNamedItem(IHTMLAttributeCollection3 *iface,
        BSTR bstrName, IHTMLDOMAttribute **ppNodeOut)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    FIXME("(%p)->(%s %p)\n", This, debugstr_w(bstrName), ppNodeOut);
    return E_NOTIMPL;
}

static HRESULT WINAPI HTMLAttributeCollection3_item(IHTMLAttributeCollection3 *iface, LONG index, IHTMLDOMAttribute **ppNodeOut)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    HTMLDOMAttribute *attr;
    DISPID id;
    HRESULT hres;

    TRACE("(%p)->(%d %p)\n", This, index, ppNodeOut);

    hres = get_attr_dispid_by_idx(This, &index, &id);
    if(hres == DISP_E_UNKNOWNNAME)
        return E_INVALIDARG;
    if(FAILED(hres))
        return hres;

    hres = get_domattr(This, id, NULL, &attr);
    if(FAILED(hres))
        return hres;

    *ppNodeOut = &attr->IHTMLDOMAttribute_iface;
    return S_OK;
}

static HRESULT WINAPI HTMLAttributeCollection3_get_length(IHTMLAttributeCollection3 *iface, LONG *p)
{
    HTMLAttributeCollection *This = impl_from_IHTMLAttributeCollection3(iface);
    return IHTMLAttributeCollection_get_length(&This->IHTMLAttributeCollection_iface, p);
}

static const IHTMLAttributeCollection3Vtbl HTMLAttributeCollection3Vtbl = {
    HTMLAttributeCollection3_QueryInterface,
    HTMLAttributeCollection3_AddRef,
    HTMLAttributeCollection3_Release,
    HTMLAttributeCollection3_GetTypeInfoCount,
    HTMLAttributeCollection3_GetTypeInfo,
    HTMLAttributeCollection3_GetIDsOfNames,
    HTMLAttributeCollection3_Invoke,
    HTMLAttributeCollection3_getNamedItem,
    HTMLAttributeCollection3_setNamedItem,
    HTMLAttributeCollection3_removeNamedItem,
    HTMLAttributeCollection3_item,
    HTMLAttributeCollection3_get_length
};

static inline HTMLAttributeCollection *HTMLAttributeCollection_from_DispatchEx(DispatchEx *iface)
{
    return CONTAINING_RECORD(iface, HTMLAttributeCollection, dispex);
}

static HRESULT HTMLAttributeCollection_get_dispid(DispatchEx *dispex, BSTR name, DWORD flags, DISPID *dispid)
{
    HTMLAttributeCollection *This = HTMLAttributeCollection_from_DispatchEx(dispex);
    HTMLDOMAttribute *attr;
    LONG pos;
    HRESULT hres;

    TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(name), flags, dispid);

    hres = get_attr_dispid_by_name(This, name, dispid);
    if(FAILED(hres))
        return hres;

    hres = get_domattr(This, *dispid, &pos, &attr);
    if(FAILED(hres))
        return hres;
    IHTMLDOMAttribute_Release(&attr->IHTMLDOMAttribute_iface);

    *dispid = MSHTML_DISPID_CUSTOM_MIN+pos;
    return S_OK;
}

static HRESULT HTMLAttributeCollection_invoke(DispatchEx *dispex, DISPID id, LCID lcid,
        WORD flags, DISPPARAMS *params, VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
{
    HTMLAttributeCollection *This = HTMLAttributeCollection_from_DispatchEx(dispex);

    TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, flags, params, res, ei, caller);

    switch(flags) {
    case DISPATCH_PROPERTYGET: {
        HTMLDOMAttribute *iter;
        DWORD pos;

        pos = id-MSHTML_DISPID_CUSTOM_MIN;

        LIST_FOR_EACH_ENTRY(iter, &This->attrs, HTMLDOMAttribute, entry) {
            if(!pos) {
                IHTMLDOMAttribute_AddRef(&iter->IHTMLDOMAttribute_iface);
                V_VT(res) = VT_DISPATCH;
                V_DISPATCH(res) = (IDispatch*)&iter->IHTMLDOMAttribute_iface;
                return S_OK;
            }
            pos--;
        }

        WARN("invalid arg\n");
        return E_INVALIDARG;
    }

    default:
        FIXME("unimplemented flags %x\n", flags);
        return E_NOTIMPL;
    }
}

static const dispex_static_data_vtbl_t HTMLAttributeCollection_dispex_vtbl = {
    NULL,
    HTMLAttributeCollection_get_dispid,
    HTMLAttributeCollection_invoke,
    NULL
};

static const tid_t HTMLAttributeCollection_iface_tids[] = {
    IHTMLAttributeCollection_tid,
    IHTMLAttributeCollection2_tid,
    IHTMLAttributeCollection3_tid,
    0
};

static dispex_static_data_t HTMLAttributeCollection_dispex = {
    &HTMLAttributeCollection_dispex_vtbl,
    DispHTMLAttributeCollection_tid,
    NULL,
    HTMLAttributeCollection_iface_tids
};

HRESULT HTMLElement_get_attr_col(HTMLDOMNode *iface, HTMLAttributeCollection **ac)
{
    HTMLElement *This = impl_from_HTMLDOMNode(iface);

    if(This->attrs) {
        IHTMLAttributeCollection_AddRef(&This->attrs->IHTMLAttributeCollection_iface);
        *ac = This->attrs;
        return S_OK;
    }

    This->attrs = heap_alloc_zero(sizeof(HTMLAttributeCollection));
    if(!This->attrs)
        return E_OUTOFMEMORY;

    This->attrs->IHTMLAttributeCollection_iface.lpVtbl = &HTMLAttributeCollectionVtbl;
    This->attrs->IHTMLAttributeCollection2_iface.lpVtbl = &HTMLAttributeCollection2Vtbl;
    This->attrs->IHTMLAttributeCollection3_iface.lpVtbl = &HTMLAttributeCollection3Vtbl;
    This->attrs->ref = 2;

    This->attrs->elem = This;
    list_init(&This->attrs->attrs);
    init_dispex(&This->attrs->dispex, (IUnknown*)&This->attrs->IHTMLAttributeCollection_iface,
            &HTMLAttributeCollection_dispex);

    *ac = This->attrs;
    return S_OK;
}