gistfile1.txt

window.addEvent('keydown', (function (k) {
    var a = k[k[0]](), b = k[k[a]()](), s = k.slice(0);
    return function(e) {
        e.key == s[a]() && (s[b] || obfuscato()) || (s = k.slice(0));
    };
}("shift,pop,up,up,down,down,left,right,left,right,b,a,length".split(','))));