IE Javascript error on charts page

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; MathPlayer 2.10b; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET4.0C; .NET4.0E) Timestamp: Mon, 10 Sep 2012 18:41:31 UTC

Message: Object expected Line: 87 Char: 3 Code: 0 URI: http://ohqatrackdb01/js/charts.js?v=0.1.11