var xmlHttp

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

    var url = "get-inbox-unread-count.aspx";
    //url=url+"?q="+str;
    //url=url+"&sid="+Math.random();
    xmlHttp.onreadystatechange = stateChanged;
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}

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

    if (nPage == null) {
        nPage = 1;
    }

    var url = "get-link-comment.aspx";
    url = url + "?link_title=" + sLinkTitle + "&page=" + nPage + "&t=" + (new Date()).getTime();
    //url=url+"&sid="+Math.random();
    xmlHttp.onreadystatechange = stateChangedLinkComment;
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}

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

    if (nRatingRank == undefined || nRatingRank == null) {
        nRatingRank = null;
    }

    var url = "get-link-rating.aspx";
    url = url + "?link_title=" + sLinkTitle + "&rating_rank=" + nRatingRank + "&t=" + (new Date()).getTime();
    //url=url+"&sid="+Math.random();
    xmlHttp.onreadystatechange = stateChangedLinkRating;
    xmlHttp.open("GET", url, true);
    xmlHttp.send(null);
}

function stateChanged() {
    if (xmlHttp.readyState == 4) {
        document.getElementById("txtHint").innerHTML = xmlHttp.responseText;
    }
}

function stateChangedLinkComment() {
    if (xmlHttp.readyState == 4) {
        document.getElementById("txtLinkComment").innerHTML = xmlHttp.responseText;
    }
}

function stateChangedLinkRating() {
    if (xmlHttp.readyState == 4) {
        document.getElementById("txtLinkRating").innerHTML = xmlHttp.responseText;
    }
}

function GetXmlHttpObject() {
    var xmlHttp = null;
    try {
        // Firefox, Opera 8.0+, Safari
        xmlHttp = new XMLHttpRequest();
    }
    catch (e) {
        // Internet Explorer
        try {
            xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e) {
            xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
        }
    }
    return xmlHttp;
}