You just need to chage one row
[login to view URL](['_trackEvent', 'ExitLinks', 'Click', 'clicked']);
to
[login to view URL](['_trackEvent', 'ExitLinks', 'Click', 'clicked'+[login to view URL]]);
It will add an address of the current link to the end of comment.
You are welcome! )
If you need, I can add it for you just for good review.