removeDupLinkage.js

(function ($) {
    $(function () {
        $('.secondaryNavList a').each(function () {
            function replaceBetween(str, what, start, end) {
                return str.substring(0, start) + what + str.substring(end);
            }

            var href = $(this).attr('href');
            var shouldAlter = (href.match(/\/category\//g).length > 1);
            if (shouldAlter) {
                var cat = href.substring(href.lastIndexOf('category/'), href.length);
                href = replaceBetween(href, cat, href.indexOf('category/'), href.length);
                $(this).attr('href', href);
            }
        });
    });
}($));