$().ready ->
    show_tab = (tab_name)->
        try
            $('li.tab_name').text $("""#nav_tabs a[data-tab-name=#{tab_name}]""").text()
            window["tab_#{tab_name}_init"]()
        catch e
            return

    # show the matching tab on click
    $('.nav-tabs a').on 'click', (e) ->
        e.preventDefault()
        $(this).tab('show')

    # lazy load the tab on first show
    $('ul.nav-tabs > li > a').on 'show.bs.tab', (e)->
        tab_name = $(this).data('tabName')
        window.location.hash = $(e.target).attr('href').substr(1)
        if tab_name
            show_tab(tab_name)

    # show matching tab after the url hash, participant/32#adressen -> adressen
    tab_name = window.location.hash
    if tab_name
        $('#nav_tabs a[href="' + tab_name + '"]').tab('show')
    # or the first one..
    else
        $('#nav_tabs a.nav-link').first().tab('show')

    $('#nav_tabs').show()