// Code via: http://stackoverflow.com/a/2401861
jQuery(document).ready(function($) {
    $('body').addClass((function(){
        var ua= navigator.userAgent, tem, v,
            s = ['ttt-devices'],
            M= ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*([\d\.]+)/i) || [];
        
        if(/trident/i.test(M[1])){
            tem=  /\brv[ :]+(\d+(\.\d+)?)/g.exec(ua) || [];
            M = ['MSIE', Math.floor(tem[1]) ];
        }
        else {
            M= M[2]? [M[1], M[2]]:[navigator.appName, navigator.appVersion, '-?'];
            if((tem= ua.match(/version\/(\d+)\.*.*/i))!= null) M[1]= Math.floor(tem[1]);
            else if((v = String(M[1]).match(/(\d+)\.*.*/i)) != null) M[1] = Math.floor(v[1]);
        }

        if ( /MSIE/.test( M[0] ) ) M[0] = 'ie';
        if ( /Firefox/.test( M[0] ) ) M[0] = 'firefox';

        s.push( String(M[0]).toLowerCase() );
        s.push( String(M[0]).toLowerCase()+String(M[1]) );
        s.push( 'lte-'+String(M[0]).toLowerCase()+String(M[1]+1) );

        if (/Linux/.test( navigator.platform )) s.push('linux');
        else if (/Mac/.test( navigator.platform )) s.push('mac');
        else if (/Win/.test( navigator.platform )) s.push('windows');
        else s.push('unknown-os');

        return s.join(' ');
    })());
});