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

<% if @course %>
    $("#show_more_course_topic").replaceWith("<%= escape_javascript( render :partial =>  'boards/course_show_detail',:locals => {:topics => @topics, :page => @page} )%>");
<% else %>
    $("#show_more_project_topic").replaceWith("<%= escape_javascript( render :partial =>  'boards/project_show_detail',:locals => {:topics => @topics, :page => @page} )%>");
<% end %>