var make_name = function(text) {
    // Convert text to lower case.
    var name = text.toLowerCase();
    // Remove leading and trailing spaces, and any non-alphanumeric
    // characters except for ampersands, spaces and dashes.
    name = name.replace(/^\s+|\s+$|[^a-z0-9&\s-]/g, '');
    // Replace '&' with 'and'.
    name = name.replace(/&/g, 'and');
    // Replaces spaces with dashes.
    name = name.replace(/\s/g, '-');
    // Squash any duplicate dashes.
    name = name.replace(/(-)+\1/g, "$1");
    return name;
};
var make_anchor = function() {
    // Convert the h2 element text into a value that
    // is safe to use in a name attribute.
    var name = make_name($(this).text());
    // Create a name attribute in the following div.toggle
    // to act as a fragment anchor.
    $(this).next('div.toggle').attr('name', name);
    // Replace the h2.toggle element with a link to the
    // fragment anchor.  Use the h2 text to create the
    // link title attribute.
    $(this).html(
    '<a href="#' + name + '" title="Reveal ' +
    $(this).text() + ' content">' +
    $(this).html() + '</a>');
};
var toggle = function() {
    // Toggle the 'expanded' class of the h2.toggle
    // element, then apply the slideToggle effect
    // to div.toggle siblings.
    $(this).
    toggleClass('expanded').
    nextAll('div.toggle').slideToggle('slow');
};
var remove_focus = function() {
    // Use the blur() method to remove focus.
    $(this).blur();
};
$(document).ready(function() {
    // Replace the '_toggle' class with 'toggle'. 
    $('._toggle').
    removeClass('_toggle').
    addClass('toggle');
    // Replace the '_expanded' class with 'expanded'. 
    $('._expanded').
    removeClass('_expanded').
    addClass('expanded');
    // Hide all div.toggle elements that are not initially expanded.
    $('h2.toggle:not(.expanded)').nextAll('div.toggle').hide();
    // Add a link to each h2.toggle element.
    $('h2.toggle').each(make_anchor);
    // Add a click event handler to all h2.toggle elements.
    $('h2.toggle').click(toggle);
    // Remove the focus from the link tag when accessed with a mouse.
    $('h2.toggle a').mouseup(remove_focus);
});