<?php

//  Copyright 2009 Google Inc. All Rights Reserved.
$GA_ACCOUNT = "ACCOUNT ID GOES HERE";
$GA_PIXEL = "ga.php";

function googleAnalyticsGetImageUrl() {
  global $GA_ACCOUNT, $GA_PIXEL;
  $url = "";
  $url .= $GA_PIXEL . "?";
  $url .= "utmac=" . $GA_ACCOUNT;
  $url .= "&utmn=" . rand(0, 0x7fffffff);

  $referer = $_SERVER["HTTP_REFERER"];
  $query = $_SERVER["QUERY_STRING"];
  $path = $_SERVER["REQUEST_URI"];

  if (empty($referer)) {
    $referer = "-";
  }
  $url .= "&utmr=" . urlencode($referer);

  if (!empty($path)) {
    $url .= "&utmp=" . urlencode($path);
  }

  $url .= "&guid=ON";

  return $url;
}

?>