var ancflmgr = null;
var ancelid = null;

function announce_TitleBlur()
{
    var title = $('tr.title input[name=title]').val() || '';
    if (title != '') {
        title = title.replace(/[^a-zA-Z0-9 _-]+/g, '');
        title = title.replace(/^\s{1,}/, '');
        title = title.replace(/\s{1,}$/, '');
        title = title.replace(/\s{1,}/g, '-');
        title = title.replace(/-{2,}/g, '-');
        var alias = $('tr.alias input[name=alias]');
        if ($(alias).val() == '') {
            alias.val(title);
        }
    }
}

function announce_ChangeCategory()
{
    var el = $('#id_category');
    if ($(el).size()) {
        $('tr.id_event').hide();
        $('tr.show_on_home').hide();

        switch ($(el).val()) {
            case '3':
                $('tr.id_event').show();
                // break omitted
            case '1':
                // break omitted
            case '2':
                $('tr.show_on_home').show();
                break;
        }
    }
}

function announce_ChangeType()
{
    var el = $('input[name^=id_type]');

    if ($(el).size()) {

        var show = [];
        show[1] = ['video_flv', 'video_mp4', 'video_wmv'];
        show[2] = ['speakers', 'audio_mp3', 'audio_mp4', 'audio_wma'];
        show[3] = ['id_poll'];
        show[4] = ['document'];
        show[5] = ['additional_image'];

        $(el).each(function () {
            var val = $(this).val();
            if ($(this).attr('checked')) {
                for (var i = 0; i < show[val].length; i++) {
                    $('tr.' + show[val][i]).show();
                }
            } else {
                for (var i = 0; i < show[val].length; i++) {
                    $('tr.' + show[val][i]).hide();
                }
            }
        });
    }
}

var anclastcat = null;
var ancchanged = false;
function announce_ReorderHomeChange()
{
    if (ancchanged == true) {
        if (!confirm('You have reordered elements in this category. Are you sure you would like to leave this category without saving?')) {
            if (anclastcat != null) {
                $('select#id_category').val(anclastcat);
            }
            return false;
        }
    }

    var form = $('#form_announcement');

    $('input[name=action]', form).val('reorder_home');
    $(form).submit();

    return true;
}

function announce_ReorderHomeInit()
{
    $('select#id_category').unbind('change');
    $('select#id_category').change(function(){announce_ReorderHomeChange();});
    anclastcat = $('select#id_category').val();

    var f = function () { ancchanged = true; };
    $('input[type=button][name=up]').bind('click', f);
    $('input[type=button][name=down]').bind('click', f);
}

function fileManager(id)
{
    ancelid = id;
    ancflmgr = window.open(BASE_URL + '/admin/filemanager', 'ancflmgr', 'height=400,location=no,menubar=no,status=no,toolbar=no,width=300');
    ancflmgr.focus();
}

function fileTreeCallback(file)
{
    if (ancelid != null) {
        //ancflmgr.WWW_URL+ancflmgr.category+'/'+file.replace(ancflmgr.WWW_PATH,'')
        $('#' + ancelid).val(ancflmgr.category.substring(1) + '/' + file.replace(ancflmgr.WWW_PATH,''));
                ancelid = null;
    }
    ancflmgr.close();
}