function ultimeChat(){

var roChat = null;
var httpChat = null;
var responseChat = null;
var updateChat = null;


function createRequestObject() {
	var roChat;
	var browser = navigator.appName;
	if(browser == "Microsoft Internet Explorer"){
		roChat = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		roChat = new XMLHttpRequest();
	}

	return roChat;
}

var httpChat = createRequestObject();

if(document.getElementById("tipo_chat").value=="pubblica"){

	httpChat.open('get', 'http://www.abibex.com/new/ajax/ultimeChat.asp?pippo='+Math.random());
	}
if(document.getElementById("tipo_chat").value=="privata")	{
	httpChat.open('get', 'http://www.abibex.com/new/ajax/ultimeChatPrivata.asp?pippo='+Math.random()+'&id_destinatario='+document.getElementById("destinatario").value);
	}
	httpChat.onreadystatechange = handleResponse;
	httpChat.send(null);






function handleResponse() {
	if(httpChat.readyState == 4){
		var responseChat = httpChat.responseText;
		var updateChat = new Array();
		if(responseChat.indexOf('|' != -1)) {
			updateChat = responseChat.split('|');
			document.getElementById(updateChat[0]).innerHTML = updateChat[1];
		}
	}
}
}