var counters = new Hash();
	var last_url;

	function add_counter(id, timer) {
		counters.set(id, timer);
	}

	function counters_update(url) {
		if(url == last_url) {
			go(url);
		}
	}

	function go(url) {
		last_url = url;
		new Ajax.Updater('freeroll_tool', url);
		setTimeout("counters_update('"+url+"');",30000);
	}

	go('/fileadmin/utils/freerolls.php');