Zendesk categories collapse widget

gistfile1.js

function HideCategory(id) {
    $j("div#category_" + id).hide();
    $j.cookie('hide_category_' + id, 'yes', { expires: 180 });
    $j('span#hide_category_' + id).attr("onclick", "ShowCategory(" + id + ")");
    $j('span#hide_category_' + id).text("[+]");

};

function ShowCategory(id) {
    $j("div#category_" + id).show();
    $j.cookie('hide_category_' + id, 'no', { expires: 180 });
    $j('span#hide_category_' + id).attr("onclick", "HideCategory(" + id + ")");
    $j('span#hide_category_' + id).text("[-]");
};


// Get current url
var s_url = window.location.pathname;
var s_urlparts = s_url.split('/');
var s_section = s_urlparts[1];

// Run if we in the "forums" section
if (s_section == 'forums' || s_section == 'home') {

    // Get all sections from page
    var cat_headers = $j("div.category-header");
    $j.each(cat_headers, function () {

        var base = $j(this).children("div.category-name");

        if (base.length == 0) {
            // Is non agent if that
            base = $j(this);
        }


        var child = base.children("h2").children("a");

        if (child.length != 0) {
            // "0" means No Category Section
            var id = child.attr("href")
            var id_splitted = id.split("/");
            if (id_splitted.length == 3) {
                var id_value = id_splitted[2].split("-")[0];

                base.children('h2').append("&nbsp;<span style='font-size: 13pt; cursor: hand; cursor: pointer;' id='hide_category_" + id_value + "' href='#' onclick='HideCategory(" + id_value + ")'>[-]</span>");
                if ($j.cookie('hide_category_' + id_value) == 'yes') {
                    HideCategory(id_value);
                }
            }
        }
    });
}