[рони]

wolfio,

$(function() {
    $(".b_ad").on("click", ".b_button_responds", function(event) {
        event.preventDefault();
        var parent = event.delegateTarget,
            id = parent.id,
            spoiler = $(".spoiler-block", parent),
            html = spoiler.html(),
            str = "загрузка...<img src='http://pampinta.com/imgs/img_loader.gif' alt=''>";
        if (html == str) return;
        if (html.trim()) spoiler.slideUp(300, function() {
            spoiler.html("")
        });
        else {
            spoiler.html(str).slideDown();
            $.post("RespondsList", {
                AdId: id
            }, function(data) {
                spoiler.html(data)
            })
        }
    })
});