HTMLDocument3 getElementById Run-Time Check Failure #0

IHTMLDocument3* pHtmlDoc3 =(IHTMLDocument3*)CHtmlView::GetHtmlDocument();
	CComBSTR id("exchange_offers");
	IHTMLElement* pDiv = NULL;
	HRESULT hr = pHtmlDoc3->getElementById(id, &pDiv);

IDispatch* pHtml = GetHtmlDocument();
	IHTMLElement * pElem = NULL;
	IHTMLDocument3* pHtmlDoc = NULL;
	IHTMLElement* pDiv = NULL;
	HRESULT hr = pHtml->QueryInterface(IID_IHTMLDocument3, (void **)&pHtmlDoc);
	CComBSTR id("exchange_offers");
	pHtmlDoc->getElementById(id, &pElem);