Elementary introduction to using jQuery ajax and the yii framework

Comparing #4 with #5

Content

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The URL of the AJAX request is relative: "index.php?r=app/ajaxProcessor". It makes 2 assumptions:

* The page that initiates the call has an URL ending with "index.php" or its directory.
* Yii reads the route (controller and action) through the GET parameter "r".

With a recent version of Yii, both assumptions arcan be wrong with the default configurdepending on the configuration of the application.

### The solutions

**You can't guess the webservice URL in pure Javascript!** This URL will depend on the configuration of the application. So there are at least 2 solutions that mix in PHP and JS:
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