unwanted tabs popup

[Konfused]

am not sure i shud post it here or sumwhere else, but while browsing on firefox new tabs keep opening up with articles or forums from thenewspedia.com or sum other site... wat is it n wat shud i do? any answers??

---------- Post added at 03:18 PM ---------- Previous post was at 03:16 PM ----------

n yes, the othr site is medictales.com, the tab just popped up!!

[MAK]

use Adblock Plus plugin for firefox,,,,,,,,,,
and add those in blacklist