function aotpBrowserDetect(){
var ua=navigator.userAgent.toLowerCase();
this.isGecko=(ua.indexOf('gecko')!=-1&&ua.indexOf('safari')==-1);
this.isAppleWebKit=(ua.indexOf('applewebkit')!=-1);
this.isKonqueror=(ua.indexOf('konqueror')!=-1);
this.isSafari=(ua.indexOf('safari')!=-1);
this.isOmniweb=(ua.indexOf('omniweb')!=-1);
this.isOpera=(ua.indexOf('opera')!=-1);
this.isIcab=(ua.indexOf('icab')!=-1);
this.isAol=(ua.indexOf('aol')!=-1);
this.isIE=(ua.indexOf('msie')!=-1&&!this.isOpera&&(ua.indexOf('webtv')==-1));
this.isMozilla=(this.isGecko&&ua.indexOf('gecko/')+14==ua.length);
this.isFirebird=(ua.indexOf('firebird/')!=-1);
this.isNS=((this.isGecko)?(ua.indexOf('netscape')!=-1):((ua.indexOf('mozilla')!=-1)&&!this.isOpera&&!this.isSafari&&(ua.indexOf('spoofer')==-1)&&(ua.indexOf('compatible')==-1)&&(ua.indexOf('webtv')==-1)&&(ua.indexOf('hotjava')==-1)));
this.isIECompatible=((ua.indexOf('msie')!=-1)&&!this.isIE);
this.isNSCompatible=((ua.indexOf('mozilla')!=-1)&&!this.isNS&&!this.isMozilla);
this.geckoVersion=((this.isGecko)?ua.substring((ua.lastIndexOf('gecko/')+6),(ua.lastIndexOf('gecko/')+14)):-1);
this.equivalentMozilla=((this.isGecko)?parseFloat(ua.substring(ua.indexOf('rv:')+3)):-1);
this.appleWebKitVersion=((this.isAppleWebKit)?parseFloat(ua.substring(ua.indexOf('applewebkit/')+12)):-1);
this.versionMinor=parseFloat(navigator.appVersion); 
if(this.isGecko &&!this.isMozilla){
this.versionMinor=parseFloat(ua.substring(ua.indexOf('/',ua.indexOf('gecko/')+6)+1));
}else if(this.isMozilla){
this.versionMinor=parseFloat(ua.substring(ua.indexOf('rv:')+3));
}else if(this.isIE&&this.versionMinor>=4){
this.versionMinor=parseFloat(ua.substring(ua.indexOf('msie ')+5));
}else if(this.isKonqueror){
this.versionMinor=parseFloat(ua.substring(ua.indexOf('konqueror/')+10));
}else if(this.isSafari){
this.versionMinor=parseFloat(ua.substring(ua.lastIndexOf('safari/')+7));
}else if(this.isOmniweb){
this.versionMinor=parseFloat(ua.substring(ua.lastIndexOf('omniweb/')+8));
}else if(this.isOpera){
this.versionMinor=parseFloat(ua.substring(ua.indexOf('opera')+6));
}else if(this.isIcab){
this.versionMinor=parseFloat(ua.substring(ua.indexOf('icab')+5));
}
this.versionMajor=parseInt(this.versionMinor);
this.isDOM1=(document.getElementById);
this.isDOM2Event=(document.addEventListener&&document.removeEventListener);
this.mode=document.compatMode?document.compatMode:'BackCompat';
this.isWin=(ua.indexOf('win')!=-1);
this.isWin32=(this.isWin&&(ua.indexOf('95')!=-1||ua.indexOf('98')!=-1||ua.indexOf('nt')!=-1||ua.indexOf('win32')!=-1||ua.indexOf('32bit')!=-1||ua.indexOf('xp')!=-1));
this.isMac=(ua.indexOf('mac')!=-1);
this.isUnix=(ua.indexOf('unix')!=-1||ua.indexOf('sunos')!=-1||ua.indexOf('bsd')!=-1||ua.indexOf('x11')!=-1);
this.isLinux=(ua.indexOf('linux')!=-1);
this.isNS4x=(this.isNS&&this.versionMajor==4);
this.isNS40x=(this.isNS4x&&this.versionMinor<4.5);
this.isNS47x=(this.isNS4x&&this.versionMinor>=4.7);
this.isNS4up=(this.isNS&&this.versionMinor>=4);
this.isNS6x=(this.isNS&&this.versionMajor==6);
this.isNS6up=(this.isNS&&this.versionMajor>=6);
this.isNS7x=(this.isNS&&this.versionMajor==7);
this.isNS7up=(this.isNS&&this.versionMajor>=7);
this.isIE4x=(this.isIE&&this.versionMajor==4);
this.isIE4up=(this.isIE&&this.versionMajor>=4);
this.isIE5x=(this.isIE&&this.versionMajor==5);
this.isIE55=(this.isIE&&this.versionMinor==5.5);
this.isIE5up=(this.isIE&&this.versionMajor>=5);
this.isIE6x=(this.isIE&&this.versionMajor==6);
this.isIE6up=(this.isIE&&this.versionMajor>=6);
this.isIE4xMac=(this.isIE4x&&this.isMac);
}
var aotpbrowser=new aotpBrowserDetect();