get url / uri in *.rhtml file
// find out the current url / uri in *.rhtml file
// is quite simple with the request object
// or when different urls mean the same page
// is quite simple with the request object
<% page = request.request_uri %> page: <%= page %>
// or when different urls mean the same page
<% page = "/" + request.path_parameters['controller'] + "/" + request.path_parameters['action'] %> page: <%= page %>