[Plugin: WP e-Commerce] Java script error with IE. Works fine with Firefox

Is anyone else having this issue. When you click ‘add to cart’ you get a dialog saying “updating cart” but it hangs. I also get the following error:

Error message in Internet Explorer:

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.2; .NET4.0C)
Timestamp: Fri, 25 Jun 2010 21:33:37 UTC

Message: Syntax error
Line: 118
Char: 5
Code: 0
URI: http://www.mysite.com/wp-content/plugins/wp-e-commerce/js/wp-e-commerce.js?ver=3.7.55

http://ww.wp.xz.cn/extend/plugins/wp-e-commerce/