gistfile1.coffee

obj =
  prebook: (variant) ->
    vid = "&variant_id=#{ results.selectedTab }-#{ variant.attr('data-index') }"
    @abort()
    @variant = variant
    @prebooking = $('<div class="prebooking-state"><h4 class="progress">Проверяем доступность</h4></div>')
    @prebooking.appendTo variant.closest('.offer').addClass('prebooking')

    @request = $.ajax
       url: "/booking/preliminary_booking?#{ variant.attr('data-booking') }#{ vid }"
       success: (result) =>
         if result?.success
            @load(result.number)
          else
            @failed()
       error: =>
          @failed()
       timeout: 60000
    
    if variant.closest('.offer').hasClass('collapsed')
        $('.expand', variant).click()

    st = variant.offset().top + variant.height() - Math.round($(window).height() / 2)
    if st > $(window).scrollTop()
        $.animateScrollTop(st)