function css_browser_selector(e){var d=e.toLowerCase();function a(i){return d.indexOf(i)>-1}var b="gecko",f="webkit",h="safari",g="opera";e=document.getElementsByTagName("html")[0];b=[!/opera|webtv/i.test(d)&&/msie\s(\d)/.test(d)?"ie ie"+RegExp.$1:a("firefox/2")?b+" ff2":a("firefox/3.5")?b+" ff3 ff3_5":a("firefox/3")?b+" ff3":a("gecko/")?b:a("opera")?g+(/version\/(\d+)/.test(d)?" "+g+RegExp.$1:/opera(\s|\/)(\d+)/.test(d)?" "+g+RegExp.$2:""):a("konqueror")?"konqueror":a("chrome")?f+" chrome":a("iron")?
f+" iron":a("applewebkit/")?f+" "+h+(/version\/(\d+)/.test(d)?" "+h+RegExp.$1:""):a("mozilla/")?b:"",a("j2me")?"mobile":a("iphone")?"iphone":a("ipod")?"ipod":a("mac")?"mac":a("darwin")?"mac":a("webtv")?"webtv":a("win")?"win":a("freebsd")?"freebsd":a("x11")||a("linux")?"linux":"","js"];c=b.join(" ");e.className+=" "+c;return c}css_browser_selector(navigator.userAgent);