$(document).ready(function() {
    // Get rid of "http://"
    loc = location.href.substring(7);

    // Get rid of domain name
    loc = loc.substring(loc.indexOf("/"));

    // Get rid of fragment identifier
    var i = loc.indexOf("#");
    if (i > -1) loc = loc.substring(0, i);

    // Highlight navigator links to this page
    $("#navigator a[href='" + loc + "']").addClass('now');
});