gistfile1.txt

***** the layout:

!!! Strict
%html
  %head
  %body
    = catch_content :for_layout


***** the template:

#header
  = partial "static/not_logged_in_header"
= form_for(@user, :action => url(:users) ) do
  = submit "Create user"



***** static/not_logged_in_header

%script{:type => 'application/processing', 'data-canvas_name' => 'login'}
  = partial "logos/logo_#{rand(2) + 3}"



***** logos/logo_3.html.erb
int x_axis = 755;


***** logos/logo_4.html.erb
int y_axis = 100;