function initGoogleAnalytics(sTrackingID) {
  pageTracker = _gat._getTracker(sTrackingID);
  pageTracker._initData();
  pageTracker._trackPageview();
}

var pageTracker = null;
var gaJsHost    = (document.location.protocol == 'https:' ? 'https://ssl.' : 'http://www.');
addJSScript(gaJsHost + 'google-analytics.com/ga.js');