Here are some resources with Aramaic fonts.
So download and install the fonts.The simplest way to install the fonts is this:
In Windows.
zip file
Download and unpack the fonts in the Windows/fonts directory.
exe file
Just run it and the fonts will be installed automaticaly
In Linux
In your home directory create a folder by the name ".fonts".Unpack there and you are good to go.
You may need to restart browser.
How to type vowels
Vowels are also included in the Syriac fonts of course.To type a vowel just press SHIFT and without releasing press the corresponding vowel key.
fonts resources.
Syriac
http://dukhrana.com/fonts.php
http://www.atour.com/fonts/
http://www.chaldean.org.uk/aramaic.htm
http://www.chaldean.org.uk/aramaic.htm
Imperial Aramaic
http://scriptsource.org/cms/scripts/page.php?item_id=script_detail_font&uid=6a6eac2gc5
http://culmus.sourceforge.net/ancient/index.html
http://www.historian.net/files.htm
Dea Sea Scrolls font. (Qumran)
This font was used to write Galilean Aramaic also -the so called Herodian script.
http://www.historian.net/DSSfont.htm