Mine

<script type="text/javascript">$(document).ready(function(){$('#LdapUserDisplayname').keyup(function (){var uid = $('#LdapUserDisplayname').text().charAt(0)+$('#LdapUserSn').text();$('input#LdapUserUid').html(uid.toLowerCase());});$('#LdapUserSn').keyup(function (){var uid = $('#LdapUserDisplayname').text().charAt(0)+$('#LdapUserSn').text();uid ="test";$('input#LdapUserUid').html(uid.toLowerCase());});});</script>