// var ma="pdlowr=ukpdvfklqhqedxCdro1frp";
// var ma="hg1xdeqhqlkfvdp0kuCriql=rwoldp";
var ma="hg1hnqdoe0rwriCriql=rwoldp"; 
var l; // Länge des Strings
var dc = "";
var c;

function Mailadresse() {
l = ma.length;
dc = "";


for (var i=l-1 ; i>=0 ; i--) {
      c = ma.charCodeAt(i)
      dc = dc + String.fromCharCode(c-3);
}   


window.location.href = dc;
}

// Aufruf mit <a href="javascript:Mailadresse()">