app/views/estimation_items/update.js.erb
$('#<%= dom_id @estimation_item %>').replaceWith('<%=j render @estimation_item %>');
$('#<%= dom_id @estimation_item %>').effect('highlight', {color:"#f7f7e5"}, 1000);
$('#total').text('<%= @estimation.total %>');
$('#sum').text('<%= @estimation.sum %>');
$('#buffer').text('<%= @estimation.buffer %>');
activate_editables();