[Plugin: Countdown Timer] Stop countdown when 0

Did is simple possibility to stop showing countdown when come to 0 without refresh website.

Now work …3,2,1, 0 ,1,2,3… if i refresh countdown stop and show title from form.

Greetings.

http://wordpress.org/extend/plugins/countdown-timer/