From 6ee6126089c3702aa52891e614e0c3ab7887c71e Mon Sep 17 00:00:00 2001
From: Aaron Jorbin <aaron@jorb.in>
Date: Mon, 21 Jan 2013 19:01:53 -0500
Subject: [PATCH] On hashchange, make sure we set focus for elements that need
 it. Essentially the same as 136, but without jquery

---
 functions.php             |  2 ++
 js/skip-link-focus-fix.js | 25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 js/skip-link-focus-fix.js

diff --git a/functions.php b/functions.php
index 89e9eb78..c7821ee8 100644
--- a/functions.php
+++ b/functions.php
@@ -104,6 +104,8 @@ function _s_scripts() {
 
 	wp_enqueue_script( 'small-menu', get_template_directory_uri() . '/js/small-menu.js', array( 'jquery' ), '20120206', true );
 
+    wp_enqueue_script( 'skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array( ), '20130115', true );
+
 	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
 		wp_enqueue_script( 'comment-reply' );
 	}
diff --git a/js/skip-link-focus-fix.js b/js/skip-link-focus-fix.js
new file mode 100644
index 00000000..7b11cd9b
--- /dev/null
+++ b/js/skip-link-focus-fix.js
@@ -0,0 +1,25 @@
+( function() {
+var is_webkit = navigator.userAgent.toLowerCase().indexOf('webkit') > -1;
+var is_opera = navigator.userAgent.toLowerCase().indexOf('opera') > -1;
+var is_ie = navigator.userAgent.toLowerCase().indexOf('msie') > -1;
+
+if((is_webkit || is_opera || is_ie ) &&  typeof(document.getElementById) !== 'undefined'  ) {
+    var eventMethod = (window.addEventListener) ? 'addEventListener' : 'attachEvent' ;
+    window[eventMethod]("hashchange", function(event) {
+
+        var element = document.getElementById(location.hash.substring(1));
+
+        if (element) {
+
+            if (!/^(?:a|select|input|button|textarea)$/i.test(element.tagName)) {
+                element.tabIndex = -1;
+            }
+
+            element.focus();
+        }
+
+    }, false); 
+
+} 
+
+})();