Badge fails to display on IE8

[alastairs]

When viewing the GitHub badge in IE8, the badge fails to display, with the below Javascript error reported. View http://www.alastairsmith.me.uk/ in IE8 for a repro scenario.

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; .NET4.0C; .NET4.0E; InfoPath.3)
Timestamp: Fri, 4 Jun 2010 12:36:15 UTC

Message: Object doesn't support this property or method
Line: 59
Char: 7
Code: 0
URI: http://drnic.github.com/github-badges/dist/github-badge.js