jquery select siblings 'until'

Question

I have a DOM in the form of

Answer 1

jQuery 1.4 now has the .nextUntil(selector) function:

    $('div.parent').toggle(
        function() {
            $(this).nextUntil('div.parent').hide();
         },
        function() {
            $(this).nextUntil('div.parent').show();
        }
    );