datepicker range maxdate

datepicker range maxdate

I am trying to use the example for the datepicker date range.  I'd like to limit the range to not allow any dates after today.  I have tried to put maxdate here...
var dates = $( "#enterfrom, #enterto" ).datepicker({
      maxDate: "0",
      changeMonth: true,
      onSelect: function( selectedDate ) {
            var option = this.id == "from" ? "minDate" : "maxDate",
                  instance = $( this ).data( "datepicker" ),
                  date = $.datepicker.parseDate(
                        instance.settings.dateFormat ||
                        $.datepicker._defaults.dateFormat,
                        selectedDate, instance.settings );
                  dates.not( this ).datepicker( "option", option, date );
}
});
 
But then the "to" date is limited to only the date that was selected in "from"? 
I would really appreciate some help - please be specific though, I am obviously not experienced in jquery/javascript.  Thank you!