I can't change body style attribute

[mr_fahrrad]

I need to change the body atribute style to background-attachment: fixed (to show background image)

IHTMldocument2(WebBrowser1.Document).body.setAttribute('style', 'background-attachment: fixed',0); but it does not work!! the style cant change (dont alter body tag in source code), but if I type something like 'styleE' then the attribute 'styleE' appers in source code...

so.. how I make to chance style of body tag? (prefer using setAttribute)

Thanks!