/*
CSS Browser Selector v0.4.0 (Nov 02, 2010)
Rafael Lima (http://rafael.adm.br)
http://rafael.adm.br/css_browser_selector
License: http://creativecommons.org/licenses/by/2.5/
Contributors: http://rafael.adm.br/css_browser_selector#contributors
*/
function css_browser_selector(u) {
    var ua = u.toLowerCase(), 
    is = function (t) {
    return ua.indexOf(t) > -1
    },
g = 'gecko',
w = 'webkit',
s = 'safari',
o = 'opera',
m = 'mobile',
h = document.documentElement,
b = [(!(/opera|webtv/i.test(ua)) && /msie\s(\d)/.test(ua)) ? ('ie ie' + RegExp.$1)
: is('firefox/2') ? g + ' ff2'
: is('firefox/3.5') ? g + ' ff3 ff3_5'
: is('firefox/3.6') ? g + ' ff3 ff3_6'
: is('firefox/3') ? g + ' ff3'
: is('gecko/') ? g
: is('opera') ? o + (/version\/(\d+)/.test(ua) ? ' ' + o + RegExp.$1
: (/opera(\s|\/)(\d+)/.test(ua) ? ' ' + o + RegExp.$2 : ''))
: is('konqueror') ? 'konqueror' 
: is('blackberry') ? m + ' blackberry'
: is('android') ? m + ' android'
: is('chrome') ? w + ' chrome'
: is('iron') ? w + ' iron'
: is('applewebkit/') ? w + ' ' + s + (/version\/(\d+)/.test(ua) ? ' ' + s + RegExp.$1 : '')
: is('mozilla/') ? g
: '', is('j2me') ? m + ' j2me'
: is('iphone') ? m + ' iphone'
: is('ipod') ? m + ' ipod'
: is('ipad') ? m + ' ipad'
: is('mac') ? 'mac'
: is('darwin') ? 'mac'
: is('webtv') ? 'webtv'
: is('win') ? 'win' + (is('windows nt 6.0') ? ' vista' : '')
: is('freebsd') ? 'freebsd'
: (is('x11') || is('linux')) ? 'linux' : '', 'js']; c = b.join(' '); h.className += ' ' + c; 
return c;
}; 
css_browser_selector(navigator.userAgent);