http://jqueryui.com/demos/slider/side-scroll.html example broken in ie7

http://jqueryui.com/demos/slider/side-scroll.html example broken in ie7


http://jqueryui.com/demos/slider/side-scroll.html example broken in
ie7
it tries to do parseInt on a string
var leftVal = parseInt(scrollContent.css('margin-left'));
and scrollContent.css('margin-left') value is 'auto'