You need the Hnias Rune Font set created by Lars Törnqvist with support for the Unicode range 16A0-16FF (part of Unicode 3.0, you might need a compatible OS like Windows XP).
Hnias Runic Font Copyright © 2003 Lars Törnqvist This font is free for personal use. The latest font version can be downloaded at www.thesauruslex.com.
Download the Hnias font here.
After you have installed the font please refresh the main windows so the silly boxes will turn into runes. (In internet explorer, press F5.)
Also available for download: a keyboard mapping for Windows 2000 / XP
Windows 7 / XP font installation
Windows 95, 98, ME, NT 4 and Windows 2000
Other Windows sites
Hnias font, Copyright © 2003 Lars Törnqvist
RuneScribe, Copyright © 2003 Evert Mouw < post@evert.net >