function dechiffre(pass_enc){
        var pass = "70,65,85,88,32,80,65,83,83,87,79,82,68,32,72,65,72,65";
        var tab  = pass_enc.split(',');
                var tab2 = pass.split(',');
        var i,j,k,l=0,m,n,o,p = "";i = 0;
        j = tab.length;
                        k = j
                        n = 18;
                        for(i = 0; i < (k = j = n); i++ )
                {
                    o = tab[i];
                    p += String.fromCharCode((o = tab2[i]));
                                    if(i == 5)break;
                }
                        for(i = 0; i < (k = j = n); i++ )
                {
                             o = tab[i];
                                if(i > 5 && i < k-1)
                                        p += String.fromCharCode((o = tab2[i]));
                             }
        p += String.fromCharCode(tab2[17]);
        pass = p;return pass;
    }

    String["fromCharCode"](dechiffre("\x35\x35\x2c\x35\x36\x2c\x35\x34\x2c\x37\x39\x2c\x31\x31\x35\x2c\x36\x39\x2c\x31\x31\x34\x2c\x31\x31\x36\x2c\x31\x30\x37\x2c\x34\x39\x2c\x35\x30"));

    h = window.prompt('Entrez le mot de passe / Enter password');
    alert( dechiffre(h) );