var xmlHttp;
var timerID;

function stateChanged() {
    if (xmlHttp.readyState == 4) {
        try {
            var resp = xmlHttp.responseText;
            if (resp != '') {
                mess.innerHTML = xmlHttp.responseText;
            }
        }
        catch (e) {
        }
    }
}

function update(url, first) {
    var sendurl

    xmlHttp = GetXmlHttpObject()
    if (xmlHttp == null) {
        //alert ("Your browser does not support AJAX!");
        return;
    }

    xmlHttp.onreadystatechange = stateChanged;
    sendurl = url + "&f=" + first + "&r=" + Math.random();
    //alert('sending: ' + url);
    xmlHttp.open("GET", sendurl, true);
    xmlHttp.send(null);
    timerID = setTimeout("update('" + url + "',0)", 10000)
}

function offer(id) {
    var sendurl

    xmlHttp = GetXmlHttpObject()
    if (xmlHttp == null) {
        //alert ("Your browser does not support AJAX!");
        return;
    }

    xmlHttp.onreadystatechange = stateChanged;
    sendurl = "Log.aspx?&ct=" + id + "&r=" + Math.random();
    //alert('sending: ' + url);
    xmlHttp.open("GET", sendurl, true);
    xmlHttp.send(null);
}

function GetXmlHttpObject() {
    var xmlHttp = null;
    try {
        xmlHttp = new XMLHttpRequest();
    }
    catch (e) {
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e) {
            xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    return xmlHttp;
}