Script Error: sheet.js

Script Error: sheet.js

Hi,
 
I get an Internet Explorer Script Error every time I open a sheet from Excel 2007. The details arbelow:
 
Line:      15214
Char:      1
Error:      Invalid argument
Code:      0
URL:       http://js.zohostatic.com/sheet/v35_22/js/sheet.js
 
I am running IE 8.0 on Windows XP Professional SP3.
 
Any assistance would be greatly appreciated.
 
Lars.