Move out the check so that the complete div containing the register-link is removed.
</div>
</form>
+{{if $register}}
<div id="login-extra-links">
<h3 id="login-head" class="sr-only">{{$register.title|escape:'html'}}</h3>
- {{if $register}}<a href="register" title="{{$register.title|escape:'html'}}" id="register-link">{{$register.desc}}</a>{{/if}}
+ <a href="register" title="{{$register.title|escape:'html'}}" id="register-link">{{$register.desc}}</a>
</div>
+{{/if}}
<script type="text/javascript"> $(document).ready(function() { $("#id_{{$lname.0}}").focus();} );</script>