(function (jQuery, window, undefined) {
    "use strict";

    var matched, browser;

    jQuery.uaMatch = function (ua) {
        ua = ua.toLowerCase();

        var match = /(chrome)[ \/]([\w.]+)/.exec(ua) ||
            /(webkit)[ \/]([\w.]+)/.exec(ua) ||
            /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) ||
            /(msie) ([\w.]+)/.exec(ua) ||
            ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) ||
            [];

        var platform_match = /(ipad)/.exec(ua) ||
            /(iphone)/.exec(ua) ||
            /(android)/.exec(ua) ||
            [];

        var browser = match[1] || "";

        if (ua.indexOf("like gecko") != -1 && ua.indexOf('webkit') == -1 && ua.indexOf('opera') == -1) {
            browser = "msie";
        }

        return {
            browser: browser,
            version: match[2] || "0",
            platform: platform_match[0] || ""
        };
    };

    matched = jQuery.uaMatch(window.navigator.userAgent);
    browser = {};

    if (matched.browser) {
        browser[matched.browser] = true;
        browser.version = matched.version;
    }

    if (matched.platform) {
        browser[matched.platform] = true;
    }

    // Chrome is Webkit, but Webkit is also Safari.
    if (browser.chrome) {
        browser.webkit = true;
    } else if (browser.webkit) {
        browser.safari = true;
    }

    browser.mobile = (/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent));

    jQuery.browser = browser;

})(jQuery, window);