function reverseEmailAddress(addr) {
  var parts=addr.split("@");
  var parts2="";
  var i;

  for (i=0;i<parts.length;i++) {
    var part=parts[i];
    var part2="";

    var ps=part.split(".");
    var j;
    for (j=0;j<ps.length;j++) {
      var p=ps[j];
      var p2="";

      var k;
      for (k=0;k<p.length;k++) {
        p2=p.charAt(k)+p2;
      }

      if (j!=0) {
        part2=part2+".";
      }
      part2=part2+p2;
    }

    if (i!=0) {
      parts2=parts2+"@";
    }
    parts2=parts2+part2;
  }

  return parts2;
}

function insertMailAddress(id,data) {
  var elem;
  elem=document.getElementById(id);
  data2=reverseEmailAddress(data);
  elem.setAttribute("href","mailto:"+data2);
  elem.firstChild.nodeValue=data2;
}