Sharing count on Facebook, Twitter, and LinkedIn

function displaySharingCount(val, objId) {
    var blank = " ";
    var id = "#" + objId
    if (typeof (val) != "undefined") {
        if (val.length > 3) {
            $(id).attr("title", val);
            $(id).text(blank + "500+");
        }
        else
            $(id).text(blank + val);
    }
}

window.onload = function () {
    var currUrl = encodeURIComponent(location.href);

    $.ajax({
        url: "https://api.facebook.com/method/fql.query?query=select%20share_count%20from%20link_stat%20where%20url=%22" + currUrl + "%22&format=json&timestamp=" + new Date().getTime(),
        type: "get",
        datatype: "html",
        async: true,
        success: function (data) {
            displaySharingCount(data[0].share_count, "Facebook_count");
        }
    });
 };

function getTwitterCount(obj) {
    displaySharingCount(obj.count, "Twitter_count");
}

function getLinkedInCount(obj) {
    displaySharingCount(obj.count, "LinkedIn_count");
}

function createScript(id, src) {
    var js, fjs = document.getElementsByTagName("script")[0];
    js = document.getElementById(id);
    if (js) {
        document.removeChild(js);
    }
    js = document.createElement("script");
    js.id = id;
    js.src = src;
    fjs.parentNode.insertBefore(js, fjs);
}

window.onload = function () {
    var currUrl = encodeURIComponent(location.href);

    createScript("Twitter_jscallback", "http://urls.api.twitter.com/1/urls/count.json?url=" + currUrl + "&format=jsonp&callback=getTwitterCount");
    createScript("LinkedIn_jscallback", "http://www.linkedin.com/countserv/count/share?url=" + currUrl + "&format=jsonp&callback=getLinkedInCount");
};