if ($username eq "" && $password eq "" && ! defined $c->flash->{referer}) {

    if ($username eq "" && $password eq "" && !defined $c->flash->{referer}) {

    $c->keep_flash("referer");

    $c->flash->{afterLogin} = $c->request->uri;

<fieldset>
  <div class="control-group">
    <label class="control-label">User name</label>
    <div class="controls">
      <input type="text" class="span3" name="username" value=""></input>

  <fieldset>
    <div class="control-group">
      <label class="control-label">User name</label>
      <div class="controls">
        <input type="text" class="span3" name="username" value=""></input>
      </div>

  </div>

  <div class="control-group">
    <label class="control-label">Password</label>
    <div class="controls">
      <input type="password" class="span3" name="password" value=""></input>

    <div class="control-group">
      <label class="control-label">Password</label>
      <div class="controls">
        <input type="password" class="span3" name="password" value=""></input>
      </div>

  </div>

  <div class="form-actions">
    <input type="submit" name="login" value="Sign in" class="btn btn-primary" />
  </div>

    <div class="form-actions">
      <input type="submit" name="login" value="Sign in" class="btn btn-primary" />
    </div>
  </fieldset>