/*
CSS Browser Selector 0.6.2
Originally written by Rafael Lima (http://rafael.adm.br)
http://rafael.adm.br/css_browser_selector
License: http://creativecommons.org/licenses/by/2.5/

Co-maintained by:
https://github.com/verbatim/css_browser_selector
*/

/*jshint laxcomma:true*/

function css_browser_selector(u) {
    'use strict';

    var uaInfo = {},
    screens = [320, 480, 640, 768, 1024, 1152, 1280, 1440, 1680, 1920, 2560],
        allScreens = screens.length,
        ua = u.toLowerCase(),
        is = function (t) {
            return new RegExp(t, "i").test(ua);
        },
        version = function (p, n) {
            n = n.replace(".", "_");
            var i = n.indexOf('_'),
                ver = "";
            while (i > 0) {
                ver += " " + p + n.substring(0, i);
                i = n.indexOf('_', i + 1);
            }
            ver += " " + p + n;
            return ver;
        },
        g = 'gecko',
        w = 'webkit',
        c = 'chrome',
        f = 'firefox',
        s = 'safari',
        o = 'opera',
        m = 'mobile',
        a = 'android',
        bb = 'blackberry',
        lang = 'lang_',
        dv = 'device_',
        html = document.documentElement,
        b = [

        (!(/opera|webtv/i.test(ua)) && /msie\s(\d+)/.test(ua)) ? ('ie ie' + (/trident\/4\.0/.test(ua) ? '8' : RegExp.$1)) : is('firefox/') ? g + " " + f + (/firefox\/((\d+)(\.(\d+))(\.\d+)*)/.test(ua) ? ' ' + f + RegExp.$2 + ' ' + f + RegExp.$2 + "_" + RegExp.$4 : '') : is('gecko/') ? g : is('opera') ? o + (/version\/((\d+)(\.(\d+))(\.\d+)*)/.test(ua) ? ' ' + o + RegExp.$2 + ' ' + o + RegExp.$2 + "_" + RegExp.$4 : (/opera(\s|\/)(\d+)\.(\d+)/.test(ua) ? ' ' + o + RegExp.$2 + " " + o + RegExp.$2 + "_" + RegExp.$3 : '')) : is('konqueror') ? 'konqueror'

        : is('blackberry') ? (bb + (/Version\/(\d+)(\.(\d+)+)/i.test(ua) ? " " + bb + RegExp.$1 + " " + bb + RegExp.$1 + RegExp.$2.replace('.', '_') : (/Blackberry ?(([0-9]+)([a-z]?))[\/|;]/gi.test(ua) ? ' ' + bb + RegExp.$2 + (RegExp.$3 ? ' ' + bb + RegExp.$2 + RegExp.$3 : '') : '')))
        : is('android') ? (a + (/Version\/(\d+)(\.(\d+))+/i.test(ua) ? " " + a + RegExp.$1 + " " + a + RegExp.$1 + RegExp.$2.replace('.', '_') : '') + (/Android (.+); (.+) Build/i.test(ua) ? ' ' + dv + ((RegExp.$2).replace(/ /g, "_")).replace(/-/g, "_") : ''))
        : is('chrome') ? w + ' ' + c + (/chrome\/((\d+)(\.(\d+))(\.\d+)*)/.test(ua) ? ' ' + c + RegExp.$2 + ((RegExp.$4 > 0) ? ' ' + c + RegExp.$2 + "_" + RegExp.$4 : '') : '')
        : is('iron') ? w + ' iron'
        : is('applewebkit/') ? (w + ' ' + s + (/version\/((\d+)(\.(\d+))(\.\d+)*)/.test(ua) ? ' ' + s + RegExp.$2 + " " + s + RegExp.$2 + RegExp.$3.replace('.', '_') : (/ Safari\/(\d+)/i.test(ua) ? ((RegExp.$1 === "419" || RegExp.$1 === "417" || RegExp.$1 === "416" || RegExp.$1 === "412") ? ' ' + s + '2_0' : RegExp.$1 === "312" ? ' ' + s + '1_3' : RegExp.$1 === "125" ? ' ' + s + '1_2' : RegExp.$1 === "85" ? ' ' + s + '1_0' : '') : '')))
        : is('mozilla/') ? g : ''

        ,
        is("android|mobi|mobile|j2me|iphone|ipod|ipad|blackberry|playbook|kindle|silk") ? m : ''

        ,
        is('j2me') ? 'j2me' : is('ipad|ipod|iphone') ? (
        (
            /CPU( iPhone)? OS (\d+[_|\.]\d+([_|\.]\d+)*)/i.test(ua) ?
            'ios' + version('ios', RegExp.$2) : '') + ' ' + (/(ip(ad|od|hone))/gi.test(ua) ? RegExp.$1 : "")
        )

        : is('playbook') ? 'playbook'
        : is('kindle|silk') ? 'kindle'
        : is('playbook') ? 'playbook'
        : is('mac') ? 'mac' + (/mac os x ((\d+)[.|_](\d+))/.test(ua) ? (' mac' + (RegExp.$2) + ' mac' + (RegExp.$1).replace('.', "_")) : '')
        : is('win') ? 'win' + (is('windows nt 6.2') ? ' win8'
        : is('windows nt 6.1') ? ' win7'
        : is('windows nt 6.0') ? ' vista'
        : is('windows nt 5.2') || is('windows nt 5.1') ? ' win_xp'
        : is('windows nt 5.0') ? ' win_2k'
        : is('windows nt 4.0') || is('WinNT4.0') ? ' win_nt' : '')
        : is('freebsd') ? 'freebsd'
        : (is('x11|linux')) ? 'linux' : ''

        ,
        (/[; |\[](([a-z]{2})(\-[a-z]{2})?)[)|;|\]]/i.test(ua)) ? (lang + RegExp.$2).replace("-", "_") + (RegExp.$3 !== '' ? (' ' + lang + RegExp.$1).replace("-", "_") : '') : ''

        ,
        (is('ipad|iphone|ipod') && !is('safari')) ? 'ipad_app' : ''

    ]; // b

    function screenSize() {
        var w = window.outerWidth || html.clientWidth;
        var h = window.outerHeight || html.clientHeight;
        uaInfo.orientation = ((w < h) ? "portrait" : "landscape");
        // remove previous min-width, max-width, client-width, client-height, and orientation
        html.className = html.className.replace(/ ?orientation_\w+/g, "").replace(/ [min|max|cl]+[w|h]_\d+/g, "");
        for (var i = (allScreens - 1); i >= 0; i--) {
            if (w >= screens[i]) {
                uaInfo.maxw = screens[i];
                break;
            }
        }
        var widthClasses = "";
        for (var info in uaInfo) {
          if (uaInfo.hasOwnProperty(info)) {
            widthClasses += " " + info + "_" + uaInfo[info];
          }
        }
        html.className = (html.className + widthClasses);
        return widthClasses;
    } // screenSize

    window.onresize = screenSize;
    screenSize();

    function retina() {
        var r = window.devicePixelRatio > 1;
        if (r) {
            html.className += ' retina';
        } else {
            html.className += ' non-retina';
        }
    }
    retina();

    var cssbs = (b.join(' ')) + " js ";
    html.className = (cssbs + html.className.replace(/\b(no[-|_]?)?js\b/g, "")).replace(/^ /, "").replace(/ +/g, " ");

    return cssbs;
}

css_browser_selector(navigator.userAgent);