function cryptmailto(s) {
  var n = 0;
  var r = "";
  var s = "mailto:"+s;
  for(var i = 0; i < s.length; i++) {
    n = s.charCodeAt(i);
    if(n >= 8364) {
      n = 128;
    }
    r += String.fromCharCode(n + 2);
  } 
  return r;
} 
 
function uncryptmailto(s) {
  var n = 0;
  var r = "";
  for(var i = 0; i < s.length; i++) {
    n = s.charCodeAt(i);
    if (n >= 8364) {
      n = 128;
    }
    r += String.fromCharCode(n - 2);
  }
  return r;
}

function mailto(s) {
  location.href = uncryptmailto(s);
}