function UserAgent(){var a=navigator.appVersion.toLowerCase(),b=navigator.userAgent.toLowerCase(),c=navigator.appName;this.mac=(a.indexOf("mac")+1);this.win=(a.indexOf("win")+1);this.netscape=(c=="Netscape"&&b.indexOf("firefox")==-1);this.firefox=(b.indexOf("firefox")>-1);this.ie=(c=="Microsoft Internet Explorer");this.aol=(b.indexOf("aol")+1);this.opera=(b.indexOf("opera")+1);this.ver=(this.ie)?parseFloat(a.split("msie ")[1]):parseFloat(a);this.v4=(parseInt(a)==4);this.os=(this.mac)?"mac":(this.win)?"win":navigator.platform;this.name=(this.netscape)?"nn":(this.ie)?"ie":c;this.codeName=this.name+"_"+parseInt(this.ver)+"_"+this.os}var agent=new UserAgent();