like so many charting frameworks this one seem to be having problems too with IE.
I got the following error:
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: Thu, 24 Oct 2013 11:15:18 UTC
Message: 'window.G_vmlCanvasManager' is null or not an object
Line: 57
Char: 2744
Code: 0
URI: <a href="http://sedlns22.sandvik.com/ds01232/jqcharts.nsf/js/jquery.jqplot.min.js">http://sedlns22.sandvik.com/ds01232/jqcharts.nsf/js/jquery.jqplot.min.js</a></div>