EDIT Writing system
Thai is a syllabic alphabet of the abugida kind (with an inherent vowel that is only changed when indicated by diacritical marks). The inherent vowel of the 44 basic consonants is »o« in a medial position (mostly in native Thai words) and »a« in the final position (mostly in words of Sanskrit, Pali or Khmer origin). The writing direction is left to right with no spaces between words. Spaces are used after sentences or phrases.

Only six consonant sounds can end a syllable (p, t, k, m, n, ng, chiefly represented by บ ด ก ม น ง) but multiple letters exist for them, so they can be represented by almost all of the consonants. The less frequent consonants generally represent the sound in the language the word was ultimately borrowed from, chiefly Sanskrit or Pali, but sometimes Khmer or English.

Thai is a tonal language, so the pitch is just as important as the correct pronunciation of a word. Therefore, the Thai letters are classified into three classes: low, middle and high and can be combined with five tones (low, middle, high, falling and rising) that are represented by four tone marks and no tone mark.

For further explanations visit
http://<a href=\"ancientscripts.com/thai.html\" target=\"_blank\">ancientscripts.com<//thai.html

<a href=\"www.omniglot.com/writing/thai.htm\" target=\"_blank\">www.omniglot.com/</a>writing/thai.htm

 jsw  :  Richard W 

EDIT History
The Thai script and Lao script (next unicode block) both evolved out of a script that was created by King Ramkhamhaeng in 1282/83 to write the Siamese language. That script was influenced by the old Indian (Brahmi) scripts and the Khmer script which itself is a descendant of the Indian scripts. The oldest document in that script is a stone pillar with a government declaration of King Ramkhamhaeng from 1292.
In the 16th century, the Thai and the Lao script evolved out of this earlier script.

 jsw  :  jsw 

EDIT Languages The Thai script is used to write Thai, the mother language of the Thai people and official language of Thailand. Thai is a member of the Tai group of the Tai-Kadai language family and spoken by about 25 million people in Thailand.

The Thai script is also used in Thailand to write Pali, the language of the Buddhist canon.

The Thai script is also used for minority languages like Kuy, a member of the Katuic branch of the Mon-Khmer family, spoken by about 300,000 people in Thailand.

 jsw  : :  jsw 

EDIT Fonts Free Thai fonts can be found at: http://linux.thai.net/plone/TLWG/thaifonts_scalable/
http://www.travelphrases.info/gallery/Fonts_Thai.html

 jsw  jsw