I have this in my CSS:
body.transparent { background-color: transparent; color: #ffffff; text-shadow: 0 -1px #000, 1px 0 # 000, 0 1px #000, -1px 0 #
Google Mojo: An Option to Mimic CSS3 Text Shadow in Internet Explorer.
filter: glow(color=black,strength=5);
The site also lists some other workarounds with JavaScript.