Yes, thanks, what I'm looking for is how to do that. On Feb 15, 2011, at 1:38 PM, Simon J Welsh wrote: > Assuming you're only using <p> tags, count the number of opening <p> tags, divide by three. First ad block goes after the round($amount/3)-th </p>, second ad block goes after the round($amount/3*2)-th </p>. > --- > Simon Welsh -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php