New column
<%= error_messages_for :column %>
<% form_for(@column) do |f| %>
Colname
<%= f.text_field :colname %>
<% for mod in Mod.find(:all) %>
<%= check_box_tag "column[mod_ids][]", mod.id, @column.mods.include?(mod) %>
<%= mod.modname %>
<% end %>
<%= f.submit "Create" %>
<% end %>
<%= link_to 'Back', columns_path %>