gistfile1.txt

define("OS", [], function () {
    var d = navigator.userAgent,
        b = {}, c = d.match(/(Android)\s+([\d.]+)/),
        f = d.match(/(iPhone\sOS)\s([\d_]+)/),
        i = d.match(/(iPad).*OS\s([\d_]+)/),
        v = d.match(/(webOS)\/([\d.]+)/),
        e = d.match(/(BlackBerry|RIM).*Version\/([\d.]+)/),
        n = d.match(/(Firefox)\/([\d.]+)/),
        o = d.match(/(Opera\sMini)\/([\d.]+)/),
        t = d.match(/(Safari)\/([\d.]+)/);
    d = d.match(/(Chrome)\/([\d.]+)/);
    b.supported = false;
    if (c) {
        b.android = true;
        b.version = c[2];
        b.supported = true;
        b.name = "android"
    }
    if (f) {
        b.ios = true;
        b.version = f[2].replace(/_/g,
            ".");
        b.iphone = true;
        b.supported = true;
        b.name = "iphone"
    }
    if (i) {
        b.ios = true;
        b.version = i[2].replace(/_/g, ".");
        b.ipad = true;
        b.supported = true;
        b.name = "ipad"
    }
    if (v) {
        b.webos = true;
        b.version = v[2];
        b.name = "webos"
    }
    if (e) {
        b.blackberry = true;
        b.version = e[2];
        b.name = "blackberry"
    }
    if (n) {
        b.browser = "firefox";
        b.supported = false
    }
    if (o) {
        b.browser = "operamini";
        b.supported = false
    }
    if (t) {
        b.browser = "safari";
        b.supported = true
    }
    if (d) {
        b.browser = "chrome";
        b.supported = true
    }
    b.versionAtLeast = function (x) {
        x = x.split(".");
        for (var H = b.version.split("."),
                I = 0, W = x.length; I < W; I++) {
            var z = parseInt(H[I], 10),
                R = parseInt(x[I], 10);
            if (isNaN(z) || z < R) return false
        }
        return true
    };
    b.supportsWindowOpenFromTap = function () {
        return b.browser === "chrome" || b.browser === "safari" && b.versionAtLeast("6.0.0")
    };
    b.desktop = navigator.userAgent.match(/(Macintosh;)/) || navigator.userAgent.match(/(Windows;)/) || navigator.userAgent.match(/(X11;)/);
    return b
});