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