[рони]

ponyspy,

<script>
function rund(e, f) {
        function d(b) {
            for (var a = b.length - 1; 0 < a; a--) {
                var c = Math.floor(Math.random() * (a + 1)),
                    d = b[c];
                    b[c] = b[a];
                    b[a] = d
            }
            return b
        }
        var a = [],
            c = [];
        for (i = 0; i < e; i++) a[i] = i + f;
        d(a);
        return function () {
            var b = a.shift();
            c.push(b);
            1 == a.length && (d(c), a = a.concat(c), c = []);
            return b
        }
    };

 var len = 5,
     min = 10,
     z = rund(len,min),
     i;

 for (i = 0; i < 40; i++) {
     document.write(z()+' '); //для примера
 }
</script>