String Number.implement

String.implement({
    pad: function (a, d, b) {
        var c = this;
        d = d || " ";
        b = b || "right";
        a -= c.length;
        if (a < 0) {
            return c
        }
        d = (new Array(Math.ceil(a / d.length) + 1)).join(d).substr(0, a);
        return ((b == "left") ? (d + c) : (c + d))
    }
});
Number.implement({
    toFileSize: function (a) {
        a = a || 1;
        var c = [lang[CONST.SIZE_KB], lang[CONST.SIZE_MB], lang[CONST.SIZE_GB]];
        var b = this;
        var d = 0;
        b /= 1024;
        while ((b >= 1024) && (d < 2)) {
            b /= 1024;
            d++
        }
        return (b.toFixed(a) + " " + c[d])
    },
    toTimeString: function () {
        var f = Number(this);
        if (f > 63072000) {
            return "\u221E"
        }
        var a, i, j, g, e, c, k, b = "";
        i = Math.floor(f / 31536000);
        a = f % 31536000;
        j = Math.floor(a / 604800);
        a = a % 604800;
        g = Math.floor(a / 86400);
        a = a % 86400;
        e = Math.floor(a / 3600);
        a = a % 3600;
        c = Math.floor(a / 60);
        k = a % 60;
        if (i > 0) {
            b = lang[CONST.TIME_YEARS_WEEKS].replace(/%d/, i).replace(/%d/, j)
        } else {
            if (j > 0) {
                b = lang[CONST.TIME_WEEKS_DAYS].replace(/%d/, j).replace(/%d/, g)
            } else {
                if (g > 0) {
                    b = lang[CONST.TIME_DAYS_HOURS].replace(/%d/, g).replace(/%d/, e)
                } else {
                    if (e > 0) {
                        b = lang[CONST.TIME_HOURS_MINS].replace(/%d/, e).replace(/%d/, c)
                    } else {
                        if (c > 0) {
                            b = lang[CONST.TIME_MINS_SECS].replace(/%d/, c).replace(/%d/, k)
                        } else {
                            b = lang[CONST.TIME_SECS].replace(/%d/, k)
                        }
                    }
                }
            }
        }
        return b
    }
});