Not working with jQuery 1.9.1

[fredbutters]

Using JSFiddle with Chrome and/or Firefox, if I select the 1.9.1 jQuery library it breaks (no scrollbar). It's still kind of working with 1.8.3 but the header th widths don't match up with the tbody td widths

http://jsfiddle.net/barryman9000/x5Ah9/7/

Thanks