Get shares counts from social networks

social_counts.js

$(document).ready(function() {
  var location = document.location.href;

  // fb
  $.getJSON(
    "http://graph.facebook.com/" + location + "&callback=?",
    function(data) {
      if(data.shares == undefined) {fb_shares = 0} else {fb_shares = data.shares}
      $("#fb_soc_counter").html(fb_shares);
    }
  );

  // vk
  VK = {}
  VK.Share = {};
  VK.Share.count = function(index, count){
    $("#vk_soc_counter").html(count);
  };
  $.getJSON("http://vkontakte.ru/share.php?act=count&index=1&url=" + location + "&format=json&callback=?");

  // twitter
  $.getJSON(
    "http://urls.api.twitter.com/1/urls/count.json?url=" + location + "&callback=?",
    function(data) {
      $("#twitter_soc_counter").html(data.count);
    }
  );
});