jQuery-based outbound link tracking with cases for new window as well as same window locations

Outbound Link Tracking - Google Analytics.js

/**
 * Outbound link tracking
 * 
 * This code largely based on examples from 
 * [Google Analytics Help](http://www.google.com/support/googleanalytics/bin/answer.py?answer=55527).
 * Modified to exclude local paths. Inspired by http://trevordavis.net/blog/use-jquery-to-open-all-external-links-in-a-new-window
 */
 */
jQuery(function($){
  $("a[href^='http']:not([href^='http://" + document.domain + "']):not([href^='http://www." + document.domain + "'])").click(function(event){
    // Just in case, be safe and don't do anything
    if (typeof _gat == 'undefined') {
      return;
    }

    // Stop our browser-based redirect, we'll do that in a minute
    event.preventDefault();

    var link = $(this);
    var href = link.attr('href');
    var noProtocol = href.replace(/http[s]?:\/\//, '');

    // Track the event
    _gat._getTrackerByName()._trackEvent('Outbound Links', noProtocol);

    // Opening in a new window?
    if (link.attr('target') == '_blank') {
      /* If we are opening a new window, go ahead and open it now
      instead of in a setTimeout callback, so that popup blockers
      don't block it. */
      window.open(href);
    }
    else {
      /* If we're opening in the same window, we need to delay 
      for a brief moment to ensure the _trackEvent has had time
      to fire */
      setTimeout('document.location = "' + href + '";', 100);
    }
  });
});