CopyUTF16toUTF8(aType, mType);
mActualType.Truncate();  SetAttr(kNameSpaceID_None, nsHTMLAtoms::type, aType, PR_TRUE);
nsHTMLObjectElement::SetType(const nsAString& aType){  CopyUTF16toUTF8(aType, mType);  return NS_OK;}