psi

<html><head><script>
function decodePassword(pass, key){
var result ="";
var n1, n2;
if(key.length ==0)
return pass;
for(n1 =0, n2 =0; n1 < pass.length; n1 +=4){
if(n1 +4> pass.length)
break;
result +=String.fromCharCode(Number("0x"+pass.substr(n1,4))^ key.charCodeAt(n2++));
if(n2 >= key.length)
n2 =0;
}
return result;}function escapeHtml(html){
return html.split("&").join("&amp;").split("<").join("&lt;").split(">").join("&gt;");}function tryDecode(){
var pass
try{
pass = decodePassword(document.getElementById("encoded").value, document.getElementById("jid").value);
}catch(e){
pass ="Encode failed: "+ e
}
document.getElementById("result").innerHTML = escapeHtml(pass);}
</script></head><body>
<table><tr><td>JID: </td><td><input id='jid'/></td></tr><tr><td>Encoded password: </td><td><input id='encoded'/></td></tr><tr><td>Result: </td><td id='result'></td></tr><tr><td colspan='2'style='text-align:right'><input type='button'value="decode"onclick="tryDecode()"/></td></tr></table>
</body></html>