Twitter and Facebook stats via AJAX/jQuery

gistfile1.js

# the permalink var is an array created before this. it takes the permalink from each WordPress post as they load.

function commaSeparateNumber(val){
  while (/(\d+)(\d{3})/.test(val.toString())){
    val = val.toString().replace(/(\d+)(\d{3})/, '$1'+','+'$2');
  }
  return val;
} 
$(document).ready(function () {		
  var fb_likes = 0,
    tweets = 0,
    a = 1,
    b = 1;
  links.push("http://projectwordsworth.com");
  $.each(links, function(index, permalink) {

    fburl = 'https://api.facebook.com/method/fql.query?format=json&query=select%20%20total_count%20from%20link_stat%20where%20url=%22' + permalink + '%22'

    turl = 'http://urls.api.twitter.com/1/urls/count.json?callback=?&url=' + permalink + '';

    $.getJSON(fburl, function(data) {
      fb_likes += Math.abs(data[0].total_count);
      if (a == 17 && fb_likes > 0) {
        //update fb count text
        $('#fb-count').text(commaSeparateNumber(fb_likes));
      }
      a++;
    });

    $.getJSON(turl, function(data) {
      tweets += Math.abs(data.count);
      if (b == 17 && tweets > 0) {
        //update twitter count text
        $('#tweet-count').text(commaSeparateNumber(tweets));
      }
      b++;
    });
  });
});