browser detect by Quirksmode // http://www.quirksmode.org/js/detect.html

browser.js

var BrowserDetect={init:function(){this.browser=this.searchString(this.dataBrowser)||"An unknown browser";this.version=this.searchVersion(navigator.userAgent)||this.searchVersion(navigator.appVersion)||"an unknown version";this.OS=this.searchString(this.dataOS)||"an unknown OS"},searchString:function(e){for(var t=0;t<e.length;t++){var n=e[t].string;var r=e[t].prop;this.versionSearchString=e[t].versionSearch||e[t].identity;if(n){if(n.indexOf(e[t].subString)!=-1)return e[t].identity}else if(r)return e[t].identity}},searchVersion:function(e){var t=e.indexOf(this.versionSearchString);if(t==-1)return;return parseFloat(e.substring(t+this.versionSearchString.length+1))},dataBrowser:[{string:navigator.userAgent,subString:"Chrome",identity:"Chrome"},{string:navigator.userAgent,subString:"OmniWeb",versionSearch:"OmniWeb/",identity:"OmniWeb"},{string:navigator.vendor,subString:"Apple",identity:"Safari",versionSearch:"Version"},{prop:window.opera,identity:"Opera",versionSearch:"Version"},{string:navigator.vendor,subString:"iCab",identity:"iCab"},{string:navigator.vendor,subString:"KDE",identity:"Konqueror"},{string:navigator.userAgent,subString:"Firefox",identity:"Firefox"},{string:navigator.vendor,subString:"Camino",identity:"Camino"},{string:navigator.userAgent,subString:"Netscape",identity:"Netscape"},{string:navigator.userAgent,subString:"MSIE",identity:"Explorer",versionSearch:"MSIE"},{string:navigator.userAgent,subString:"Gecko",identity:"Mozilla",versionSearch:"rv"},{string:navigator.userAgent,subString:"Mozilla",identity:"Netscape",versionSearch:"Mozilla"}],dataOS:[{string:navigator.platform,subString:"Win",identity:"Windows"},{string:navigator.platform,subString:"Mac",identity:"Mac"},{string:navigator.userAgent,subString:"iPhone",identity:"iPhone/iPod"},{string:navigator.platform,subString:"Linux",identity:"Linux"}]};BrowserDetect.init()