var normal  = '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@.- ';
var encoded = '0987654321QWERTZUIOPASDFGHJKLYXCVBNMqwertzuiopasdfghjklyxcvbnm!,_ ';

defaultStatus = "";

function decode(str)
{
    var result = "";

    for (var i = 0; i < str.length; ++i)
    {
	pos    = encoded.indexOf(str.charAt(i));
	result = result + normal.charAt(pos);
    }

    return result;
}

function Mailto(enc_email, subject)
{
    var enc_email;
    var email;
    var link;

    email = decode(enc_email);
    link = "mailto:"+email;
    if(subject != '') { link = link+"?Subject="+subject; }

    window.location.href=link;
}