trustieforge/app/views/boards/show.js.erb

<% if @course %>
    $("#course-boardlist").replaceWith('<%= escape_javascript( render :partial => 'users/course_boardlist', :locals => {:topics => @topics, :is_course => 1, :is_board=>1}) %>');
<% else %>
    $("#project-boardlist").replaceWith('<%= escape_javascript( render :partial => 'users/project_boardlist', :locals => {:topics => @topics, :is_course => 1, :is_board=>1}) %>');
<% end %>