function escape(string) {
    return string.replace(/([ .*+?^=!:${}()|\[\]\/\\\,])/g, "_");
}
var d = $('.datatable');
$('.supporters').css('display','none');
$('.supporters tr').each( function(i,t) {
    var c = $(t).find('.standings-flag');
    if (c.length==0) return ;
    c = escape(c.attr('title'));

    var u = $('#table-'+c);
    if (u.length==0)
    {
        d.append("<div style='padding-top:25px; background-color:#fff; font-weight:bold; font-size:24px;'>"+c+"</div><table class='supporters' id='table-"+c+"'></table>");
        u = $('#table-'+c);
    }
    $(u).append($(t).clone());
} );