//Create tooltips for login/signup forms
function create_tooltips(){
 
    //Create vars
    var titles = ['test title']
    var contents = ['test content'];
    var fields = ['#user_email'];
 
    //Loop through each field and assign tooltip
    for(var i = 0; i < fields.length; i++){
 
        //Create vars
        var field = $(fields[i]);
        var title = titles[i];
        var content = contents[i];
 
        //Ensure field found
        if(field){
 
            //Create popover
            $(field).popover(
                {
                    animation: true,
                    placement: 'right',
                    selector: false,
                    trigger: 'hover',
                    title: title,
                    content: content,
                    delay: 0
                });
        }
    }
}

  <div class="span4">
    <%= form_for(resource, :as => resource_name, :url => registration_path(resource_name), :class => 'form-vertical') do |f| %>
    <fieldset class="well">
      <div class="control-group">
        <%= f.label :email, 'Email:' %>
        <div class="controls">
          <%= f.email_field :email %>
        </div>
      </div>
      <div class="control-group">
        <%= f.label :display_name, 'Display Name:' %>
        <div class="controls">
          <%= f.text_field :display_name %>
        </div>
      </div>
      <div class="control-group">
        <%= f.label :password, 'Password:' %>
        <div class="controls">
          <%= f.password_field :password %>
        </div>
      </div>
      <div class="control-group">
        <%= f.label :password_confirmation, 'Password Confirmation:'%>
        <div class="controls">
          <%= f.password_field :password_confirmation %>
        </div>
      </div>
      <div class="control-group">
        <%= f.submit "Sign up", :class => 'btn btn-success' %>
      </div>
    </fieldset>
    <% end %>
  </div>