extranet/www/pages/administration_client.php

<?php
if(isset($_REQUEST['action']))
{
	switch($_REQUEST['action'])
	{
		case 'newclient':
			require_once 'client/nouveau.php';

			break;
		case 'newuser':

			break;
		case 'listeclient':
		default:
			require_once 'client/liste.php';
			break;
	}
}