module ApplicationHelper

  def cancel_link
    return link_to 'Cancel', request.env["HTTP_REFERER"], 
      :confirm => 'Are you sure? Any changes will be lost.'
  end

  def block_quote
    return {
      'Quote' => [
       /\[quote(:.*)?=(.*?)\](.*?)\[\/quote\1?\]/mi,
      '<blockquote><cite>\2</cite><span class="a">&#8220;</span>\3<span class="b">&#8221;</span></blockquote>',
      'Quote with citation',
      '[quote=mike]please quote me[/quote]',
      :quote
     ],      
    }
  end

end