filter cities

jQuery(document).ready(function() {

    var $input_option = '.search-criteria-cities .input_option';
    var $countries    = '.search-criteria-countries';
    var $states       = '.search-criteria-states';
    var $cities       = '.search-criteria-cities';

    jQuery($countries + " input").click(function() {
        var country = jQuery(this).attr('class');

        if(jQuery('.search-criteria-countries .input_option input.' + country).is(':checked')) {
            jQuery($states + ' .input_option.select_note').addClass('hidden');
            if (jQuery($states + ' .input_option.' + country).hasClass('hidden')){
                jQuery($states + ' .input_option.' + country).removeClass('hidden');
            }
            // @TODO: also filter cities on change
            // add wildcard for states
            // if (jQuery($cities + ' .input_option.' + country + '*' ).hasClass('hidden')){
            //     jQuery($cities + ' .input_option.' + country + '*' ).removeClass('hidden');
            // }


        } else {
            // unchecked
            jQuery($states + ' .input_option.' + country).addClass('hidden');
        }

    });
    jQuery($states + " input").click(function() {
        var state = jQuery(this).attr('class');

        if(jQuery('.search-criteria-states .input_option input.' + state).is(':checked')) {
            jQuery($cities + ' .input_option').addClass('hidden');
            if (jQuery($cities + ' .input_option.' + state).hasClass('hidden')){
                jQuery($cities + ' .input_option.' + state).addClass('show_anyway');
            }
        } else {
            // unchecked
            jQuery($cities + ' .input_option').addClass('hidden');
            jQuery($cities + ' .input_option.' + state).removeClass('show_anyway');
        }

    });

});