$(function () {
        $('input[type=text], select').each(function () {
            var checkbox = $('#operator_' + this.id + '_enabled');
            if (checkbox.length > 0) {
                this.disabled = !checkbox.prop('checked');
                checkbox.change(function () {
                    var inputId = this.id.replace('_enabled', '').replace('operator_', '');
                    var item = document.getElementById(inputId);
                    item.disabled = !$(this).prop('checked');
                });

            }
        });
    });