https://www.aerovision.nl/DesktopModules/DnnSharp/ActionForm/stati…/at-least-one-is-filled.js?cdv=599

1jQuery(function () {
2
3    for (var i = 0; i < 10; i++) {
4        (function (igroup) {
5
6            $.validator && $.validator.addMethod('group' + igroup + '-AtLeastOneIsFilled', function (value, element) {
7                var isValid = false;
8                $(element).parents('.c-form:first').find('.group' + igroup + '-AtLeastOneIsFilled').each(function (index, input) {
9                    if (input.type == 'checkbox' || input.type == 'radio') {
10                        if ($(input).is(':checked')) {
11                            isValid = true;
12                        }
13                    } else {
14                        if (!isValid && $.trim(input.value).length > 0) {
15                            isValid = true;
16                        }
17                    }
18                });
19
20                // validate the rest of the controls in the group, but watch out for recursion
21                if (!window['group' + igroup + '-AtLeastOneIsFilled-check']) {
22                    window['group' + igroup + '-AtLeastOneIsFilled-check'] = true;
23                    $(element).parents('.c-form:first').find('.group' + igroup + '-AtLeastOneIsFilled').each(function () {

24                        if ($(this).valid()) { // using the structure of tabspro, repair this if it changes
25                            $(this).closest('.tab-content').prev().find('.tabButton.active > .tabLink').removeClass('has-error');
26                        } else {
27                            $(this).closest('.tab-content').prev().find('.tabButton.active > .tabLink').addClass('has-error');
28                        }
29                    });
30                    window['group' + igroup + '-AtLeastOneIsFilled-check'] = false;
31                }
32                return isValid;
33            }, 'At least one field is required');
34        })(i);
35    }
36});