How can I get a more specific question? What properties? What is it you want to do? One sentence questions often get one sentence answers.
Hang on... attuning my psychic mind-reading abilities... ;)
Now that I'm reading your mind, maybe you're referring to Microsoft's proprietary scrollbar properties for CSS?
Mail_IMAP: A PHP/C-Client/PEAR solution for webmail
Author: Beginning CSS: Cascading Style Sheets For Web Design