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