Плавное сворачивание блоков с куками

cookie = {
    set: function (c, d, b) {
        if (b) {
            var a = new Date;
            a.setTime(a.getTime() + b * 24 * 60 * 60 * 1E3);
            b = "; expires=" + a.toGMTString()
        } else b = "";
        document.cookie = c + "=" + d + b + "; path=/"
    },
    get: function (c) {
        c = c + "=";
        for (var d = document.cookie.split(";"), b = 0; b < d.length; b++) {
            for (var a = d[b]; a.charAt(0) == " ";) a = a.substring(1, a.length);
            if (a.indexOf(c) == 0) return a.substring(c.length, a.length)
        }
        return null
    },
    del: function (c) {
        cookie.set(c, "", -1)
    }
};
 
$('.bclick').click(function () {
    $(this).attr('class') == 'bclick bclose' ? $(this).attr('class', 'bclick bopen') : $(this).attr('class', 'bclick bclose');

    $('#' + $(this).attr('rel')).toggle();
    cookie.set($(this).attr('rel'), $('#' + $(this).attr('rel') + ':hidden').length ? 1 : 0, 365);
});

var hblocks;
$(document).ready(function () {
    $('.bcontent').each(function () {
        hblocks = cookie.get($(this).attr('id'));
        $('.bclick[rel="' + $(this).attr('id') + '"]').attr('class', hblocks == 1 ? 'bclick bopen': 'bclick bclose');
        hblocks == 1 ? $(this).hide() : '';
    });
});