Step 1, Like to unlock, basic buttons JS

/* Facebook */
(function(d, s, id){
     var js, fjs = d.getElementsByTagName(s)[0];
     if (d.getElementById(id)) {return;}
     js = d.createElement(s); js.id = id;
     js.src = "//connect.facebook.net/en_US/all.js";
     fjs.parentNode.insertBefore(js, fjs);
 }(document, 'script', 'facebook-jssdk'));

window.fbAsyncInit = function() {
    // init the FB JS SDK
    FB.init({
      status     : true,
      xfbml      : true
    });
};

/* Twitter */
  window.twttr = (function (d,s,id) {
  var t, js, fjs = d.getElementsByTagName(s)[0];
  if (d.getElementById(id)) return; js=d.createElement(s); js.id=id;
  js.src="https://platform.twitter.com/widgets.js"; fjs.parentNode.insertBefore(js, fjs);
  return window.twttr || (t = { _e: [], ready: function(f){ t._e.push(f) } });
}(document, "script", "twitter-wjs"));

/* Google Plus */
(function() {
    var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
    po.src = 'https://apis.google.com/js/plusone.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
  })();