$(function() {
    var url = window.location.href;
    var index = url.indexOf('#');
    if(index > 0) url = url.substr(0, index);
    $('a[href=\'' + url + '\']', '#navigation, .sub_navigation').each(function() {
        var a = $(this);
        a.replaceWith('<b class="selected">' + a.html() + '</b>');
    });
});