MDL-35817 Login: set page focus to error message for login error

lib/javascript-static.js

@@ -854,6 +854,16 @@ M.util.focus_login_form = function(Y) {
     }
 }
 
+/**
+ * Set focus on login error message
+ */
+M.util.focus_login_error = function(Y) {
+    var errorlog = Y.one('#errormsg');
+
+    if (errorlog) {
+        errorlog.focus();
+    }
+}
 /**
  * Adds lightbox hidden element that covers the whole node.
  *