On hashchange, make sure we set focus for elements that need it. Essentially the same as 136, but without jquery

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); 
+
+} 
+
+})();