When I visit one particular web site I receive the following message:

An error has occurred in the script on this page.
Line:2
Char: 1484
Error:'DQM_fontsize_ie4' is undefined.
Code:0
URL:http://coastccu.org/main.html
Do you want to continue running scripts on this page? YES NO
The script error message continues to pop up whether I click YES or NO.
I recently downloaded Internet Explorer 7 Service Pak 2

Please help.