This works just fine for me on FF: http://samples.msdn.microsoft.com/ietestcenter/html5/selection/select.htm http://samples.msdn.microsoft.com/ietestcenter/html

This works just fine for me on FF: http://samples.msdn.microsoft.com/ietestcenter/html5/selection/select.htm http://samples.msdn.microsoft.com/ietestcenter/html5/selecti... I am guessing they put in some tricks in the validation here too.