SORRY FOR THE POP-UP ADS
The result was the ads you might have seen. This was done without warning by InterTracker. I was quite unhappy to see what had happened this morning. I was not the only one to be angry either.
It appears that the pop-ups have stopped for now. Maybe someone changed their mind. If they continue to appear I will remove all the offending code and erwintang.com will continue to be pop-up ad free as it always has been.