Hi guys, the problem was javascript!!! I've added this lines in my layout and it worked:
<%= javascript_include_tag :defaults %> Thank you for your time!!!! Greetings Kostas -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-t...@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.