<% name_tag_name = name.name_tag_names.new %>

<%= form_for(name_tag_name, remote: true) do |f| %>
  <%= f.hidden_field(:name_id, value: name_tag_name.name_id) %>
  <div class="form-group">
    <label for="name_tag_name_tag_id">Tag*</label>
    <%= f.select :tag_id, (NameTag.all - name.name_tags).collect{|name_tag| [name_tag.name,name_tag.id]}, {include_blank: ''}, required: true, class: 'form-control inline-block width-10em', tabindex: increment_tab_index %>
    <%= f.submit 'Add', class: 'width-10em btn btn-primary pull-right', title: 'Tag the name with the selected tag' %>
  </div>
<% end %>

<% name_tag_name = name.name_tag_names.new %>

<%= form_for(name_tag_name, remote: true) do |f| %>
  <%= f.hidden_field(:name_id, value: name_tag_name.name_id) %>
  <div class="form-group">
    <label for="name_tag_name_tag_id">Tag*</label>
    <%= f.select :tag_id,
                 (NameTag.all - name.name_tags).collect{|name_tag| [name_tag.name,name_tag.id]},
                 {include_blank: ''},
                 required: true,
                 class: "form-control inline-block width-10em",
                 title: "Choose a tag",
                 tabindex: increment_tab_index %>
    <%= f.submit 'Add',
                 class: 'width-10em btn btn-primary pull-right',
                 title: 'Tag the name with the selected tag' %>
  </div>
<% end %>

Add title to Name Tag select.
Add title to Name Tag select.
