Error while opening a form

Hi ,

am getting below error while i am opening a form :

an error has occured in the script on this page

Line: 68
Char:1
Error:'WebTrends' is undefined
 Code:0
URL: http://help.crm4.dynamics.com/help/5.0.9690.2589/1033/LIVE/content/source_ma_list_QuickCampagin.htm

when i used some scripts for some applications i dint get any error but from 2days am getting the above error.

i would be very much thankfull if anyone can solve it

thanks in advance