Count facebook likes

social-count.js

function fbQuery(url)
{
    var fql = 'SELECT share_count FROM link_stat WHERE url="' + url + '"'
      , fbUrl = 'https://api.facebook.com/method/fql.query?format=json&query=';
    return fbUrl + encodeURIComponent(fql)
}


function vkQuery(url)
{
    var reqUrl = 'http://vkontakte.ru/share.php?act=count&url=';
    return reqUrl + encodeURIComponent(url)
}

function twQuery(url)
{
    var reqUrl = 'http://urls.api.twitter.com/1/urls/count.json?url=';
    return reqUrl + encodeURIComponent(url)
}

function xhr(url){
    var xhr = new XMLHttpRequest(url);
    xhr.open('GET', url, false); xhr.send(null);

    if (xhr.status == 200) {
        return xhr.responseText;
    } else {
        console.log('Error: %s %s', xhr.status, xhr.responseText);
    }
}