function e_friend() {
          if (document.getElementById && document.createTextNode) {
            var e = document.getElementById("newsletter_form").value;
            var s = "subscribe EPIC-L";
            var b = "subscribe EPIC-L";
            var e_tomatch = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/;
            var e_ismatch = e_tomatch.test(e);
            if (!e_ismatch) {
              window.alert("An invalid e-mail address was entered. Please correct and resubmit.");
              return false;
              }
              else {
              window.location="mailto:"+"listserv@indiana.edu"+"?subject="+s+"&body="+b;
              return false;
              }
          }
        }