changed some minor stuff, added comments

resources/js/keyboardNavigation.js

-var ctrlInfo = false;       // Flag used for checking if the user was shown the keyboard control information
+/**
+ * Flag ctrlInfo is used for initial display of the navigation box
+ */
+var ctrlInfo = false;
 
 $(document).ready(function () {
+    // Add entry point for tabbing to the first result
     $('[data-index="1"').attr("id", "results-entry");
-    $('#foki a').first().attr("id", "settings-entry");
+    // Initially focus the searchbar
     $('div.search-input input').focus();
 });
 
+/**
+ * Simulate a click on enter keypress when focused on labels
+ */
 $('label').on('keydown', function(e) {
     if(e.keyCode == '13') {
         $(this).click();
     }
 }); 
 
+/**
+ * Handles tab keypress and escape keypress
+ */
 $(document).on('keydown', function(e) {
     e = e || window.event;
+    // On first tab keypress there is special behaviour and the ctrlInfo flag is set
     if(!ctrlInfo && e.keyCode == '9') {
-        focusInfoBox();
+        focusNavBox();
         e.preventDefault();
         ctrlInfo = true;
     } else if(e.keyCode == '27') {
@@ -23,24 +34,39 @@ $(document).on('keydown', function(e) {
     }
 });
 
-function escKeyPressed() {
-    focusInfoBox();
-    $('input[type="checkbox"]').removeAttr('checked');
-}
-
-function focusInfoBox() {
+/**
+ * Shows the navigation box and focuses the first <a> tag 
+ */
+function focusNavBox() {
     $('#keyboard-nav-info').show();
     $('#keyboard-nav-info a').first().focus();
 }
 
+/**
+ * Focuses the navigation box and unchecks all checkboxes
+ */
+function escKeyPressed() {
+    focusNavBox();
+    $('input[type="checkbox"]').removeAttr('checked');
+}
+
+/**
+ * Focuses the first <a> tag of the first result 
+ */
 function focusResults() {
     $('#results-entry .result-title a').focus();
 }
 
+/**
+ * Focuses the first <a> tag of the focus options
+ */
 function focusSettings() {
     $('#foki a').first().focus();
 }
 
+/**
+ * Focuses the first <tag> of the sidebar
+ */
 function focusNavigation() {
     $('#sidebarToggle').prop('checked', true);
     $('.sidebar-list a').first().focus();

resources/less/metager/pages/resultpage/keyboard-nav.less

 /* Keyboard control styles*/
 
-
 #keyboard-nav-info {
     display: none;
     position: relative;
@@ -10,11 +9,7 @@
     border: 1px solid #f00;
     background-color: #fff;
 
-    &:focus {
-        border: 10px solid yellow;
-    }
-
-    .keyboard-nav-info-header{
+    .keyboard-nav-info-header {
         text-align: center;
         h5 {
             font-weight: bold;