Social medias likes-count getter

social_counter.js

function getFacebookCounts(url, commentElement, likesElement) {
    var facebookUrl = "https://api.facebook.com/method/fql.query?format=json&query=select%20total_count,like_count,comment_count,share_count,click_count%20from%20link_stat%20where%20url='" + url + "'";
    $.getJSON(facebookUrl, function (data) {
        $(commentElement).text(data[0].comment_count);
        $(likesElement).text(data[0].total_count);
    });
}

function getTwitterCount(url, countElement) {
    var twitterUrl = 'http://cdn.api.twitter.com/1/urls/count.json?url=' + url + '&callback=?';
    $.getJSON(twitterUrl, function (data) {
        $(countElement).text(data.count);
    });
}

function getPinterestCount(url, countElement) {
    var pinterestUrl = "http://api.pinterest.com/v1/urls/count.json?callback=?&url=" + url;
    $.getJSON(pinterestUrl, function (data) {
        $(countElement).text(data.count);
    });
}

function getGooglePlusCount(url, countElement) {
    var googleUrl = "https://clients6.google.com/rpc?key=AIzaSyClQrma23rVjqdKQc32r4olsCo21jDOz84";
    var postData = '[{' + '"method":"pos.plusones.get",' + '"id":"p",' + '"params":{' + '"nolog":true,' + '"id":"' + url + '",' + '"source":"widget",' + '"userId":"@viewer",' + '"groupId":"@self"' + '},' + '"jsonrpc":"2.0",' + '"key":"p",' + '"apiVersion":"v1"' + '}]';
    console.log(postData);
    $.post(googleUrl, postData, function (data, textStatus) {
        console.log(data);
    }, "jsonp");
}