function citylist(ssid, cid, rew, lp, tpid, iss) {
	iss = iss ? iss : 0;
	var url = 'include/citylist.php?ssid='+ssid+'&cid='+cid+'&rew='+rew+'&tpid='+tpid+'&lp='+lp+'&iss='+iss;
	var show = document.getElementById("s"+ssid);
	if(show.style.display == 'block'){
		show.style.display = 'none';
	} else {
		var ajax = InitAjax();
		ajax.open("GET", url, true);
		ajax.onreadystatechange = function() {
			if (ajax.readyState == 4 && ajax.status == 200) {
				show.style.display = 'block';
				show.innerHTML = ajax.responseText;
			}
		}
		ajax.send(null);
	}
}