var req1 = new Subsys_JsHttpRequest_Js();
var action = "show";
req1.onreadystatechange = function() {
	if (req1.readyState == 4) {
		document.getElementById('cloud').innerHTML = req1.responseText;
	}
}
req1.caching = false;
req1.open('POST', '/ajax/cloud.php', true);
req1.send({ act: action });