def bread_crumb
s = "<ul class='breadcrumb'><li class='first'><a href='#{settings.root_url}'>δ</a></li>"
url = request.path_info.split('?')
levels = url[0].split('/')
levels.each_with_index do |level, index|
unless level.blank?
next if "/#{level}" == settings.root_url
if index == levels.size-1 || (level == levels[levels.size-2] && levels[levels.size-1].to_i > 0)
s += "<li class='subsequent'>#{level.gsub(/_/, ' ')}</li>\n" unless level.to_i > 0
else
link = levels.slice(2, index-1).join("/")
s += "<li class='subsequent'><a href=\"#{api_url_for(link)}\">#{level.gsub(/_/, ' ')}</a></li>\n"
end
end
end
s+="<li class='docs'>#{link_to_documentation}</li>"
s+="</ul>"
end