Ajax erro

Everytime I go to enter a coupon on my check out in V2.1 it hangs and I get this error

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.5.21022; .NET CLR 3.5.30729; MDDS; InfoPath.2; .NET4.0C)

Timestamp: Fri, 10 Sep 2010 18:06:32 UTC

Message: Unexpected call to method or property access.

Line: 215

Char: 5

Code: 0

URI: [url]http://www.website.com/js/ajax.js[/url]

Any suggestions?

wow…Mozilla/4.0. Maybe CS-cart ajax.js can’t run well under Firefox 4 beta! you can report it at “Bug tracker” section.

Did you try the same test under IE, Safari, or Opera browser?