HEADNN n/a   IE 4   DOM 1

The HEAD object reflects the HEAD element. Accessing this object via its ID reference may not work in the Windows version of IE 4. Use the tags[] collection instead, as shown later in this reference section.

 
HTML Equivalent
<HEAD>
 
Object Model Reference
IE [window.]document.all.elementID
[window.]document.all.tags("HEAD")[0]