Focus username input on load

src/webui/www/private/login.html

@@ -8,6 +8,10 @@
     <link rel="stylesheet" type="text/css" href="/css/style.css" />
     <script type="text/javascript" src="scripts/mootools-1.2-core-yc.js" charset="utf-8"></script>
     <script type="text/javascript">
+      window.onload = function() {
+        $('username').focus();
+      }
+
       window.addEvent('domready', function() {
         $('loginform').addEvent('submit', function(e) {
           new Event(e).stop();