<div class="btn-gray">
  <a href="mailto:?subject=<%= t('excursion.invite.email.subject', :title => CGI::escape(title)) %>&amp;body=<%= t('excursion.invite.email.body', { :url => url, :name => CGI::escape(name) }) %>">
    <%= image_tag('icons/icon-message.png',:class=> "email_toolbar") + ' ' + t('excursion.invite.email.link') %>
  </a>
</div>

<div class="btn-gray">
  <a href="mailto:?subject=<%= t('excursion.invite.email.subject', :title => CGI::escape(title || "")) %>&amp;body=<%= t('excursion.invite.email.body', { :url => url, :name => CGI::escape(name) }) %>">
    <%= image_tag('icons/icon-message.png',:class=> "email_toolbar") + ' ' + t('excursion.invite.email.link') %>
  </a>
</div>

Fix excursions show when title is blank
Fix excursions show when title is blank
