Javascript error that im getting

[Chamira]

This is the screen shot im getting. Notice there are two error boxes. Those come at different times. its random
it comes when i take my mouse over a link in the rotator...
if u want me to post the code let me know...


http://img11.imageshack.us/img11/9986/hnp2.jpg

the loaded use control get the ID and load data from the database

thanks in advance