_edit_form.html.erb

          <%= link_to l(:button_cancel), {:controller => 'time_bookings', :action => 'get_list_entry', :time_booking_id => time_booking.id}, :remote => true %>
          <%= button_tag l(:button_cancel), :controller => 'time_bookings', :action => 'get_list_entry', :time_booking_id => time_booking.id, :remote => true, :method => :get %>

get_list_entry.js.erb

$('#<%= "booking-entry-" + @entry.id.to_s %>').html('<%= escape_javascript(render(:partial => 'time_bookings/list_entry', :locals => {:entry => @entry, :query => @query_bookings, :button => :book})) %>');
contextMenuHide();
contextMenuUnselectAll();