jQuery(document).ready(function ($){ 
var $breadcrumb = $('#breadcrumb'); 
var $toc = $('#menu'); 
var $list = $toc.children('ul'); 
var $headings = $('.content h3'); 
var $open = $('#open'); 
var $close = $('#close, #overlay'); 
if ($headings.length) { 
$headings.each(function (){ 
var $el = $(this); 
var id = $el.attr('id'); 
if (id) { 
$list.append($('<li />').append($('<a />').text($el.text()).attr('href', '#' + id))); 
$el.prepend($('<a />').addClass('header-link').attr('href', '#' + id).html('#')); 
return ; 
} 
} 
); 
} 
 else { 
$toc.hide(); 
} 
$breadcrumb.affix({ 
offset: { 
top: $breadcrumb.offset().top,
bottom: function (){ 
var newsletterHeight = $('#css-ebook').outerHeight(true ); 
var footerHeight = $('#footer').outerHeight(true ); 
return (this.bottom = newsletterHeight + footerHeight); 
} 
}
}
); 
$open.click(function (){ 
$('html').addClass('has-menu-open'); 
} 
); 
$close.click(function (){ 
$('html').removeClass('has-menu-open'); 
} 
); 
} 
);