function css_browser_selector(O){var N=O.toLowerCase(),J=function(A){return N.indexOf(A)>-1},K="gecko",P="webkit",L="safari",M=document.getElementsByTagName("html")[0],I=[(!(/opera|webtv/i.test(N))&&/msie\s(\d)/.test(N))?("ie ie"+RegExp.$1):J("firefox/2")?K+" ff2":J("firefox/3")?K+" ff3":J("gecko/")?K:/opera(\s|\/)(\d+)/.test(N)?"opera opera"+RegExp.$2:J("konqueror")?"konqueror":J("chrome")?P+" chrome":J("applewebkit/")?P+" "+L+(/version\/(\d+)/.test(N)?" "+L+RegExp.$1:""):J("mozilla/")?K:"",J("j2me")?"mobile":J("iphone")?"iphone":J("ipod")?"ipod":J("mac")?"mac":J("darwin")?"mac":J("webtv")?"webtv":J("win")?"win":J("freebsd")?"freebsd":(J("x11")||J("linux"))?"linux":"","js"];c=I.join(" ");M.className+=" "+c;return c}css_browser_selector(navigator.userAgent);