function refreshImage(idTeg, id) {
  $('#' + idTeg).attr("src", '/antispam.php?id=' + id + '&i = ' + Math.floor(Math.random()*100000));
}

function checkEmail(email) {
  return /^(([a-z\d][a-z\d\-\_\.]*)?[a-z\d](\.([a-z\d][a-z\d\-\_]*)?[a-z\d])*)+@(([a-z\d][a-z\d\-\_]*)?[a-z\d](\.([a-z\d][a-z\d\-\_]*)?[a-z\d])*)$/i.test(email);
}

function checkdate(month, day, year) {
    var myDate = new Date();
    myDate.setFullYear( year, (month - 1), day );

    return ((myDate.getMonth()+1) == month && day<32); 
}