Created Issue: Lightbox doesn't work properly in IE 8 [1]

http://fashionhouse.aspxcommerce.com/item/Coat23ab.aspx#

Click on the image will produce the error as in attachment
(text follows)
Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0; InfoPath.2; .NET CLR 1.1.4322; .NET4.0C; .NET4.0E)
Timestamp: Wed, 5 Sep 2012 13:00:28 UTC


Message: 'myAccountURLSetting' is undefined
Line: 33
Char: 384
Code: 0
URI: http://fashionhouse.aspxcommerce.com/Optimized/6389d91524b13e2a.js