JavaScript дописать код

<div class="hideWrap"> 
    <a class="hideBtn">
        Категории раздела
    </a>
    <div class="hideCont">bla bla</div> 
</div>

function setCookie(a, b, c) {
    if (c) {
        var d = new Date();
        d.setTime(d.getTime() + (c * 24 * 60 * 60 * 1000));
        var e = "; expires=" + d.toGMTString()
    } else var e = "";
    document.cookie = a + "=" + b + e + "; path=/"
}
function getCookie(a) {
    var b = a + "=";
    var d = document.cookie.split(';');
    for (var i = 0; i < d.length; i++) {
        var c = d[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(b) == 0) return c.substring(b.length, c.length)
    }
    return null
}
function delCookie(a) {
    setCookie(a, "", -1)
}


$('div.hideWrap a.hideBtn').each(function(i) {
    var cookie = getCookie('hideBtn' + i);
    if (cookie && cookie.indexOf('close') != -1) {
        $(this).toggleClass('close').parents('div.hideWrap').find('div.hideCont').hide('normal'); // slow / normal / fast
    };
});
$('div.hideWrap a.hideBtn').click(function() {
    $(this).toggleClass('close').parents('div.hideWrap').find('div.hideCont').slideToggle('normal'); // slow / normal / fast
    var hideBtn = $('div.hideWrap a.hideBtn').index($(this)),
        isShow = $(this).attr('class');
    setCookie('hideBtn' + hideBtn, isShow, 365);
    return false;
});

.hideWrap{
    text-align:center;
    clear:both;
}  
a.hideBtn{
    display:block;
    background: #DFDFDF;
    cursor:pointer;
    outline:none;
    text-decoration:none;
}  
a.hideBtn.close{
    background: #C7C7C7;
}