<% names.each do |name| %>
<%
show = "document.getElementById('#{name.gsub(/\s/, '-')}').style.display='block';"
hide = (names - [name]).collect {|hide_name| "document.getElementById('#{hide_name.gsub(/\s/, '-')}').style.display='none';"}
%>
<%= name %> <%= '|' unless names.last == name %>
<% end %>
<% traces.each do |name, trace| %>
;">
<%=h trace.join "\n" %>
<% end %>