Hello Gerard,

> Could someone tell me how I can type Pali text, with its diacritical signs,
> in Word for Windows 2003.

First check if you have Arial Unicode font. If not, I would recommend
Times Ext Roman:
http://www.thdl.org/tools/fonts/diafonts.html#timexrom

or other fonts:
http://www.dhamma.ru/sadhu/modules/mylinks/viewcat.php?cid=119

Then through the Word dropdown menu Insert - Symbol you can find
necessary symbols and assign keyboard shortcuts to them.

Best wishes,
Dmytro