function noSpam() {
    if (document.getElementById) {
      if (document.getElementById('anzemail') != null) {
        var at = "@";
        for (var im = 1; im <= document.getElementById('anzemail').value; im++) {
          var idm = document.getElementById("message"+im);
          var mail = idm.firstChild; 
          var domain = idm.lastChild;
          mail.nextSibling.firstChild.innerHTML = at;
          idm.href = "mailto:" + mail.data + at + domain.data;
        }
      }
    }
  }