gistfile1.txt

$(".memory").hover ->
    memory = $(this).attr('id')
    id = memory.split('_')[1] # get id of e.g. memory_4
    #find memory
		time_frames = <% Memory.find(id).time_frames %>
    for time_frame in time_frames
      tf_id = time_frame.id
      $("#"+tf_id).toggle()