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   103
 
function getNav() {
  var mobileNav = $('nav[role=navigation] fieldset[role=search]').after('<fieldset class="mobile-nav"></fieldset>').next().append('<select></select>');
  mobileNav.children('select').append('<option value="">Navigate&hellip;</option>');
  $('ul.main-navigation a').each(function(link) {
    mobileNav.children('select').append('<option value="'+link.href+'">&bull; '+link.text+'</option>');
  });
  mobileNav.children('select').bind('change', function(event) {
    if (event.target.value) window.location.href = event.target.value;
  });
}
 
function addSidebarToggler() {
  $('#content').append('<span class="toggle-sidebar"></span>');
  $('.toggle-sidebar').bind('click', function(e) {
    e.preventDefault();
    if ($('body').hasClass('collapse-sidebar')) {
      $('body').removeClass('collapse-sidebar');
    } else {
      $('body').addClass('collapse-sidebar');
    }
  });
  var sections = $('aside.sidebar > section');
  if (sections.length > 1) {
    sections.each(function(section, index){
      if ((sections.length >= 3) && index % 3 === 0) {
        $(section).addClass("first");
      }
      var count = ((index +1) % 2) ? "odd" : "even";
      $(section).addClass(count);
    });
  }
  if (sections.length >= 3){ $('aside.sidebar').addClass('thirds'); }
}
 
function testFeatures() {
  var features = ['maskImage'];
  $(features).map(function(feature) {
    if (Modernizr.testAllProps(feature)) {
      $('html').addClass(feature);
    } else {
      $('html').addClass('no-'+feature);
    }
  });
  if ("placeholder" in document.createElement("input")) {
    $('html').addClass('placeholder');
  } else {
    $('html').addClass('no-placeholder');
  }
}
 
function addCodeLineNumbers() {
  if (navigator.appName == 'Microsoft Internet Explorer') { return; }
  $('div.gist-highlight').each(function(code) {
    var tableStart = '<table><tbody><tr><td class="gutter">',
        lineNumbers = '<pre class="line-numbers">',
        tableMiddle = '</pre></td><td class="code">',
        tableEnd = '</td></tr></tbody></table>',
        count = $('span.line', code).length;
    for (var i=1;i<=count; i++) {
      lineNumbers += '<span class="line-number">'+i+'</span>\n';
    }
    var table = tableStart + lineNumbers + tableMiddle + '<pre>'+$('pre', code).html()+'</pre>' + tableEnd;
    $(code).html(table);
  });
}
 
function flashVideoFallback(){
  var flashplayerlocation = "/assets/jwplayer/player.swf",
      flashplayerskin = "/assets/jwplayer/glow/glow.xml";
  $('video').each(function(video){
    video = $(video);
    if (!Modernizr.video.h264 && swfobject.getFlashPlayerVersion() || window.location.hash.indexOf("flash-test") != -1){
      video.children('source[src$=mp4]').first().map(function(source){
        var src = $(source).attr('src'),
            id = 'video_'+Math.round(1 + Math.random()*(100000)),
            width = video.attr('width'),
            height = parseInt(video.attr('height'), 10) + 30;
            video.after('<div class="flash-video"><div><div id='+id+'>');
        swfobject.embedSWF(flashplayerlocation, id, width, height + 30, "9.0.0",
          { file : src, image : video.attr('poster'), skin : flashplayerskin } ,
          { movie : src, wmode : "opaque", allowfullscreen : "true" }
        );
      });
      video.remove();
    }
  });
}
 
function wrapFlashVideos() {
  $('object').each(function(object) {
    object = $(object);
    if (object.children('param[name=movie]')) {
      var wrapper = object.before('<div class="flash-video"><div>').previous();
      $(wrapper).children().append(object);
    }
  });
  $('iframe[src*=vimeo],iframe[src*=youtube]').each(function(iframe) {
    iframe = $(iframe);
    var wrapper = iframe.before('<div class="flash-video"><div>').previous();
    $(wrapper).children().append(iframe);
  });
}