app/views/account/_identifier_status.html.erb
<div class='status-identifier'>
<span class='<%= @status_class %>'><%= @status %></span>
<% if @suggested_usernames %>
<div class='suggested_usernames'>
<%= _('Available: ') %>
<% @suggested_usernames.each do |username| %>
<a href='#'><%= username %></a>
<% end %>
</div>
<% end %>
<script type="text/javascript">
jQuery('#user_login').parents('.formfield').removeClass('<%= validation_classes %>');
jQuery('#user_login').parents('.formfield').addClass('<%= @status_class %>');
jQuery('.suggested_usernames a').click(function(e) {
e.preventDefault();
fill_username(this.innerHTML);
});
</script>
</div>