function interpolationHandler( elem, name ) {
	// XML does not need to be checked as this will not be assigned for XML documents
	return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
}
Fetches attributes without interpolation
http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
@param {Element} elem
@param {String} name