function initDB () {
        $group =& $this->User->Group;

        /* Admins can do everything */
        $group->id = 1;
        $this->Acl->allow ($group, 'controllers');

        /* Everybody can access its dashboard */
        $group->id = 2;
        $this->Acl->allow ($group, 'controllers/Users/dashboard');
        $group->id = 3;
        $this->Acl->allow ($group, 'controllers/Users/dashboard');
        $group->id = 5;
        $this->Acl->allow ($group, 'controllers/Users/dashboard');
        $group->id = 6;
        $this->Acl->allow ($group, 'controllers/Users/dashboard');
        $group->id = 6;
        $this->Acl->allow ($group, 'controllers/Users/dashboard');
        $group->id = 7;
        $this->Acl->allow ($group, 'controllers/Users/dashboard');
    }