It actually works in FireFox 4.0 no problem. Viewing it IE 8 is where the problem occurs.
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)
Timestamp: Tue, 29 Mar 2011 21:36:07 UTC
Message: Object doesn't support this property or method
Line: 161
Char: 2
Code: 0
URI: gallery.js?t=A8LE4JO