new time_logs_cotroller.rb

  def show_booking
    @time_logs = TimeLog.where(:id => params[:time_log_ids]).all
    respond_to do |format|
      format.js
    end
  end

old time_logs_controller.rb

  def show_booking
    @time_logs = TimeLog.where(:id => params[:time_log_ids]).all
    render :update do |page|
      time_logs.each do |item|
        @time_log = item
        page.replace_html 'entry-'+item.id.to_s, :partial => 'time_logs/booking_form'
      end
    end
  end

show_bookings.js.erb

<% @time_logs.each do |item| %>

$('#<%= "entry-" + item.id.to_s %> ').html(' <%= escape_javascript(render(:partial => 'time_logs/booking_form', :locals => {:time_log => item})) %> ');

<% end %>