<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<script src="//code.jquery.com/jquery-1.11.1.min.js"></script>
<div class="container">
<br>
<center>
<h1><b>Signin</b></h1>
<button class="btn btn-primary btn-lg" href="#signup" data-toggle="modal" data-target=".bs-modal-sm">Sign In/Register</button>
</center><br>
<hr class="prettyline">
</div>
<div class="modal fade bs-modal-sm" id="myModal" tabindex="-1" role="dialog" aria-labelledby="mySmallModalLabel" aria-hidden="true">
<div class="modal-dialog modal-sm">
<div class="modal-content">
<br>
<div class="bs-example bs-example-tabs">
<ul id="myTab" class="nav nav-tabs">
<li class="active"><a href="#signin" data-toggle="tab">Sign In</a></li>
<li class=""><a href="#signup" data-toggle="tab">Register</a></li>
</ul>
</div>
<div class="modal-body">
<div id="myTabContent" class="tab-content">
<div class="tab-pane fade active in" id="signin">
<form class="form-horizontal">
<fieldset>
<div class="control-group">
<label class="control-label" for="userid">Alias:</label>
