app/views/account/_email_status.html.erb
<div class='status-identifier'>
<p><span class='<%= @status_class %>'><%= @status %></span></p>
<script type="text/javascript">
jQuery('#user_email').parents('.formfield').removeClass('<%= validation_classes %>');
jQuery('#user_email').parents('.formfield').addClass('<%= @status_class %>');
</script>
</div>