function encMailto(v) {
   var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
   var m = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;

   v = v.replace(/[^A-Za-z0-9\+\/\=]/g, "");

   do {
      enc1 = keyStr.indexOf(v.charAt(i++));
      enc2 = keyStr.indexOf(v.charAt(i++));
      enc3 = keyStr.indexOf(v.charAt(i++));
      enc4 = keyStr.indexOf(v.charAt(i++));

      chr1 = (enc1 << 2) | (enc2 >> 4);
      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
      chr3 = ((enc3 & 3) << 6) | enc4;

      m = m + String.fromCharCode(chr1);

      if (enc3 != 64) {
         m = m + String.fromCharCode(chr2);
      }
      if (enc4 != 64) {
         m = m + String.fromCharCode(chr3);
      }
   } while (i < v.length);

   location.href="mailto:"+m;
}