function uncrypt(s, shift) {
    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-(shift));
    }
    return r;
}
function crypto(s, shift) {
    location.href=uncrypt(s, shift);
}