function Decrypt (Str)
{
   var s = new String;
   var i;

   for (i=0; i<Str.length; i+=2)
   {
      s = s + String.fromCharCode (parseInt (Str.substr(i ,2), 16)^(i/2));
   }

   return s;
}

function MailToDecrypt(adr)
{
     location.href = Decrypt (adr)
}