[development] how to right AJAX enabled module?

[Ahmad Al-Obaidy]

Hi,

I need to display a value given in the database.... the value is modified regularly by other programs....

the value should be refreshed regularly .... but not the entire page...

I tried JSON ... but didnt find a useful docs..
from where should i start?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.drupal.org/pipermail/development/attachments/20070715/6fa03198/attachment.htm