diff --git a/.themes/classic/source/javascripts/github.js b/.themes/classic/source/javascripts/github.js
index 623d493fdb..01877435dc 100644
--- a/.themes/classic/source/javascripts/github.js
+++ b/.themes/classic/source/javascripts/github.js
@@ -1,43 +1,39 @@
-github = (function(){
-    function render(target, repos){
-        var i = 0, fragment = '', t = $(target)[0];
+var github = (function(){
+  function render(target, repos){
+    var i = 0, fragment = '', t = $(target)[0];
 
-        for(i = 0; i < repos.length; i++)
-            fragment += '<li><a href="'+repos[i].url+'">'+repos[i].name+'</a><p>'+repos[i].description+'</p></li>';
-
-        t.innerHTML =  fragment;
+    for(i = 0; i < repos.length; i++) {
+      fragment += '<li><a href="'+repos[i].url+'">'+repos[i].name+'</a><p>'+repos[i].description+'</p></li>';
     }
-    return {
-        showRepos: function(options){
-            var feed = new jXHR();
-            feed.onerror = function (msg,url) {
-              $(options.target + ' li.loading').addClass('error').text("Error loading feed");
-            }
-            feed.onreadystatechange = function(data){
-              if (feed.readyState === 4) {
-                var repos = [];
-                var i;
-                for (i = 0; i < data.repositories.length; i++){
-                  if (options.skip_forks && data.repositories[i].fork)
-                    continue;
-                  repos.push(data.repositories[i]);
-                }
-                repos.sort(function(a, b){
-                    var a = new Date(a.pushed_at),
-                        b = new Date(b.pushed_at);
+    t.innerHTML = fragment;
+  }
+  return {
+    showRepos: function(options){
+      var feed = new jXHR();
+      feed.onerror = function (msg,url) {
+        $(options.target + ' li.loading').addClass('error').text("Error loading feed");
+      };
+      feed.onreadystatechange = function(data) {
+        if (feed.readyState === 4) {
+          var repos = [];
+          for (var i = 0; i < data.repositories.length; i++){
+            if (options.skip_forks && data.repositories[i].fork) { continue; }
+            repos.push(data.repositories[i]);
+          }
+          repos.sort(function(a, b) {
+            var aDate = new Date(a.pushed_at).valueOf(),
+                bDate = new Date(b.pushed_at).valueOf();
 
-                    if (a.valueOf() == b.valueOf()) return 0;
-                    return a.valueOf() > b.valueOf() ? -1 : 1;
-                });
+            if (aDate === bDate) { return 0; }
+            return aDate > bDate ? -1 : 1;
+          });
 
-                if (options.count)
-                    repos.splice(options.count);
-
-                render(options.target, repos)
-              }
-            };
-            feed.open("GET","http://github.com/api/v2/json/repos/show/"+options.user+"?callback=?");
-            feed.send();
+          if (options.count) { repos.splice(options.count); }
+          render(options.target, repos);
         }
-    };
+      };
+      feed.open("GET","http://github.com/api/v2/json/repos/show/"+options.user+"?callback=?");
+      feed.send();
+    }
+  };
 })();
\ No newline at end of file
diff --git a/.themes/classic/source/javascripts/octopress.js b/.themes/classic/source/javascripts/octopress.js
index 35174fd835..c369625e3d 100644
--- a/.themes/classic/source/javascripts/octopress.js
+++ b/.themes/classic/source/javascripts/octopress.js
@@ -6,7 +6,7 @@ function getNav() {
     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;
+    if (event.target.value) { window.location.href = event.target.value; }
   });
 }
 
@@ -52,7 +52,7 @@ function testFeatures() {
 }
 
 function addCodeLineNumbers() {
-  if (navigator.appName == 'Microsoft Internet Explorer') { return; }
+  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">',
@@ -72,7 +72,7 @@ function flashVideoFallback(){
       flashplayerskin = "/assets/jwplayer/glow/glow.xml";
   $('video').each(function(video){
     video = $(video);
-    if (!Modernizr.video.h264 && swfobject.getFlashPlayerVersion() || window.location.hash.indexOf("flash-test") != -1){
+    if (!Modernizr.video.h264 && swfobject.getFlashPlayerVersion() || window.location.hash.indexOf("flash-test") !== -1){
       video.children('source[src$=mp4]').first().map(function(source){
         var src = $(source).attr('src'),
             id = 'video_'+Math.round(1 + Math.random()*(100000)),
diff --git a/plugins/image_tag.rb b/plugins/image_tag.rb
index 20595cb9c0..4567000707 100644
--- a/plugins/image_tag.rb
+++ b/plugins/image_tag.rb
@@ -30,9 +30,9 @@ module Jekyll
           @img['title']  = title
           @img['alt']    = alt
         else
-          @img['alt']    = @img['title'].gsub!(/"/, '&#34;')
+          @img['alt']    = @img['title'].gsub!(/"/, '&#34;') if @img['title']
         end
-        @img['class'].gsub!(/"/, '')
+        @img['class'].gsub!(/"/, '') if @img['class']
       end
       super
     end