var Convert = {
      initialize: function() {
        var spans = document.getElementsByTagName("span");
        for (var i = 0; i < spans.length; i++) {
          if(spans[i].getAttribute("class") == "address") {
            string = spans[i].childNodes[0].nodeValue;
            email = string.split("_")[0] + "@" + string.split("_")[2];
            spans[i].innerHTML = '<a href="mailto:' + email + '">' + email + '</a>';
          }
        }
      }
    }
    window.onload = Convert.initialize;