How to call CI Model function from jQuery eventhandler?

[eluser]JoostV[/eluser]
Hi there,

How can I make a jQuery eventhandler call a function from a CI Model?

I would like to call the following function automatically when a user closes the browser window. (the functions saves the user's moderations)

Code:

$this->articles->save($id);

jQuery $(window).unload seems to be the perfect eventhandler for this task.

Code:

$(window).unload( function () { /*Do_Stuff*/ } );

But how do I make this event call my CI Model function?