Set form focus to Username field on login form

Netdisco/share/views/index.tt

@@ -38,7 +38,7 @@
         [% IF NOT session.logged_in_user %]
         <form class="nd_login-form" method="post" action="[% uri_for('/login') %]">
           <div class="form-horizontal">
-            <input placeholder="Username" class="span2" name="username" type="text" required="required"/>
+            <input id='loginuser' placeholder="Username" class="span2" name="username" type="text" required="required"/>
             <input placeholder="Password" class="span2" name="password" type="password" required="required"/>
             <button type="submit" class="btn btn-info">Log In</button>
           </div>
@@ -85,6 +85,7 @@
 <script type="text/javascript">
   var stats_loaded = 0;
   $('#nq').focus(); // set focus to navbar search
+  $('#loginuser').focus(); // set focus to login, if it's there
 
   $('.collapse').on('show', function() {
     $('.nd_chevron').toggleClass('icon-chevron-up icon-chevron-down');