Where can I find chartapi.finance.yahoo.com documentation / help

Hi
from where can i get documentation or help for "chartapi.finance.yahoo.com"

For example:
http://chartapi.finance.yahoo.com/instrume...e;range=6m/csv/

By Trial I found that in above url

• http://chartapi.finance.yahoo.com[b]/instrument[/b]/1.1/yhoo/chartdata;type=quote;range=6m/csv/
  NO IDEA
• http://chartapi.finance.yahoo.com/instrument/1.1/yhoo/chartdata;type=quote;range=6m/csv/
  NO IDEA
• http://chartapi.finance.yahoo.com/instrument/1.1/yhoo/chartdata;type=quote;range=6m/csv/
  Company Name SHORT FORM (Some kind of ID)
• http://chartapi.finance.yahoo.com/instrume...pe=quote;range=6m/csv/
  DAYS /MONTHS - (What about years and other options)

I am new to this forum and I am not sure this is right forum to ask this questions.....


Yahooo Please Help....

Zac