$(document).ready(function() {


d = new Date();


    day = d.getDate();
    month = d.getMonth() + 1;
    year = d.getYear();

    if (day < 10)
        day = "0" + day;

    if (month < 10)
        month = "0" + month;

    if (year < 1900)
        year = year + 1900;


var tdd = year + "-" + month + "-" + day;


$('.dataconcerto').each(function(k, v) { cd=$(v).html(); a_d = cd.split("-"); td = a_d[2] + "-" + a_d[1] + "-" + a_d[0]; if (td < tdd) $(this).parent().addClass('datavecchia'); })

});