// "Browser" is the constructor function for "browser" object,
// which has properties indicating:
// (1) browser vendor:
// browser.moz, browser.nav, browser.ie, browser.opera
// (2) browser version number:
// browser.major (integer indicating major version number: 2, 3, 4 ...)
// browser.minor (float indicating full version number: 2.02, 3.01, 4.04 ...)
// (3) browser vendor AND major version number
// browser.moz, browser.gecko,
// browser.nav2, browser.nav3, browser.nav4, browser.nav4up, browser.nav6, browser.nav6up,
// browser.ie3, browser.ie4, browser.ie4up, browser.ie5, browser.ie5up
// (4) JavaScript version number:
// browser.js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...)
// (5) OS platform and version:
// browser.win, browser.win16, browser.win32, browser.win31, browser.win95, browser.win98
// browser.winnt
// browser.os2,
// browser.mac, browser.mac68k, browser.macppc
// browser.unix
// browser.sun, browser.sun4, browser.sun5, browser.suni86
// browser.irix, browser.irix5, browser.irix6
// browser.hpux, browser.hpux9, browser.hpux10
// browser.aix, browser.aix1, browser.aix2, browser.aix3, browser.aix4
// browser.linux, browser.sco, browser.unixware, browser.mpras, browser.reliant
// browser.dec, browser.sinix, browser.freebsd, browser.bsd
// browser.vms
function versionNumber_(str) {
var c, d = true, l = str.length, s = '';
for (var i=0; i<l; i++) {
c = str.substr(i, 1);
if (d && c == '.') {
s += c;
d = false;
} else if (c != '.') {
if (c<'0' || c>'9') break;
else s += c;
}
// alert (c + '\n' + s);
}
return parseFloat(s);
}
function Browser () {
// convert all characters to lowercase to simplify testing
var n = navigator;
var ua = ' ' + n.userAgent.toLowerCase();
var av = n.appVersion.toLowerCase();
var vendor = (n.vendor) ? n.vendor.toLowerCase(): '???';
// *** BROWSER VERSION ***
this.minor = parseFloat(av);
var c, p, i, d, l, s;
// Netscape 6.2.1: Mozilla/5.0 (Windows; U; Win98; en-US; rv:0.9.4) Gecko/20011128 Netscape6/6.2.1
// Mozilla 0.9.7: Mozilla/5.0 (Windows; U; Win98; en-US; rv:0.9.7) Gecko/20011221
p = ua.indexOf('gecko')
if (p > 0) {
this.gecko = true;
p = ua.indexOf('netscape6');
if (p > 0) this.minor = versionNumber_(ua.substring(p+10))
else {
p = ua.indexOf('rv:');
this.minor = versionNumber_(ua.substring(p+3));
}
}
this.name = "???";
this.platform = "???";
// On IE this return 3 or 4 as version of supposedly corresponding version of Netscape.
// We try to detect the real version
p = av.indexOf('msie')
if (p > 0) this.minor = parseFloat(av.substring(p+5,av.indexOf(';',p)));
// On NS6 it is always Mozilla 5. Same effort as above
p = ua.indexOf('netscape6');
if (p > 0) this.minor = parseFloat(ua.substring(p+10));
// iCab: Mozilla/4.5 (compatible; iCab Pre2.4; Macintosh; I; PPC)
var p = ua.indexOf('iCab Pre');
if (p > 0) this.minor = parseFloat(ua.substring(p+8,av.indexOf(p+8,av.indexOf(';'))));
// In all cases major is the integral part of minor
this.major = parseInt(this.minor);
// Netscape Navigator
this.nav = ((ua.indexOf('mozilla')!=-1) && (ua.indexOf('spoofer')==-1)
&& (ua.indexOf('compatible') == -1) && (ua.indexOf('opera')==-1)
&& (ua.indexOf('webtv')==-1));
this.nav2 = (this.nav && (this.major == 2));
this.nav3 = (this.nav && (this.major == 3));
this.nav4 = (this.nav && (this.major == 4));
this.nav4up = (this.nav && (this.major >= 4));
this.navonly = (this.nav && ((ua.indexOf(";nav") != -1) ||
(ua.indexOf("; nav") != -1)) );
this.nav6 = (this.nav && (this.major == 6));
this.nav6up = (this.nav && (this.major >= 6));
if (this.nav) this.name = "Netscape";
// Mozilla (from mozilla.org, not the Netscape version)
this.moz = this.gecko && !this.nav6;
if (this.moz) this.name = "Mozilla";
/*
if (this.moz) {this.nav6=true; this.nav6up=true;
this.mozMajor=this.major; this.mozMinor=this.minor;
this.major=6; this.minor=6.0}
else {this.mozMajor = 0; this.mozMinor = 0};
*/
// Microsoft Internet Microsoft
this.ie = (ua.indexOf('msie') != -1);
this.ie3 = (this.ie && this.major < 4);
this.ie4 = (this.ie && this.major == 4);
this.ie4up = (this.ie && this.major >= 4);
this.ie5 = (this.ie && this.major == 5) ;
this.ie5up = (this.ie && this.major >= 5);
if (this.ie) this.name = "Internet Explorer";
// AOL
this.aol = (ua.indexOf("aol") != -1);
this.aol3 = (this.aol && this.ie3);
this.aol4 = (this.aol && this.ie4);
if (this.AOL) this.name = 'AOL'
// iCab
this.icab = (ua.indexOf('icab') != -1);
this.icab2 = (this.icab && this.major == 2);
if (this.icab) this.name = 'iCab';
// Opera
this.opera = (ua.indexOf("opera") != -1);
if (this.opera) this.name = "Opera";
// WebTV
this.webtv = (ua.indexOf("webtv") != -1);
if (this.webtv) this.name = "WebTV";
// *** JAVASCRIPT VERSION CHECK ***
// Useful to workaround Nav3 bug in which Nav3
// loads <SCRIPT LANGUAGE="JavaScript1.2">
if (this.nav2 || this.ie3) this.js = 1.0
else if (this.nav3 || this.opera) this.js = 1.1
else if ((this.nav4 && (this.minor <= 4.05)) || this.ie4) this.js = 1.2
else if ((this.nav4 && (this.minor > 4.05)) || this.ie5) this.js = 1.3
else if (this.nav5) this.js = 1.5
// NOTE: In the future, update this code when newer versions of JS
// are released. For now, we try to provide some upward compatibility
// so that future versions of Nav and IE will show they are at
// *least* JS 1.x capable. Always check for JS version compatibility
// with > or >=.
else if (this.nav && (this.major > 5)) this.js = 1.5
else if (this.ie && (this.major > 5)) this.js = 1.3
// HACK: no idea for other browsers; always check for JS version with > or >=
else this.js = 0.0;
// *** PLATFORM ***
this.win = ( (ua.indexOf("win")!=-1) || (ua.indexOf("16bit")!=-1) );
if (this.win) this.platform = "Windows";
// NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all
// Win32, so you can't distinguish between Win95 and WinNT.
this.win95 = ((ua.indexOf("win95")!=-1) || (ua.indexOf("windows 95")!=-1));
// is this a 16 bit compiled version?
this.win16 = ((ua.indexOf("win16")!=-1) ||
(ua.indexOf("16bit")!=-1) || (ua.indexOf("windows 3.1")!=-1) ||
(ua.indexOf("windows 16-bit")!=-1) );
this.win31 = ((ua.indexOf("windows 3.1")!=-1) || (ua.indexOf("win16")!=-1) ||
(ua.indexOf("windows 16-bit")!=-1));
// NOTE: Reliable detection of Win98 may not be possible. It appears that:
// - On Nav 4.x and before you'll get plain "Windows" in userAgent.
// - On Mercury client, the 32-bit version will return "Win98", but
// the 16-bit version running on Win98 will still return "Win95".
this.win98 = ((ua.indexOf("win98")!=-1) || (ua.indexOf("windows 98")!=-1));
this.winnt = ((ua.indexOf("winnt")!=-1) || (ua.indexOf("windows nt")!=-1));
this.win32 = ( this.win95 || this.winnt || this.win98 ||
((this.major >= 4) && (n.platform == "Win32")) ||
(ua.indexOf("win32")!=-1) || (ua.indexOf("32bit")!=-1) );
this.os2 = ((ua.indexOf("os/2")!=-1) ||
(n.appVersion.indexOf("OS/2")!=-1) ||
(ua.indexOf("ibm-webexplorer")!=-1));
if (this.os2) this.platform = "OS2";
this.mac = (ua.indexOf("mac")!=-1);
if (this.mac) this.platform = "Macintosh";
this.mac68k = (this.mac && ((ua.indexOf("68k")!=-1) ||
(ua.indexOf("68000")!=-1)));
this.macppc = (this.mac && ((ua.indexOf("ppc")!=-1) ||
(ua.indexOf("powerpc")!=-1)));
this.sun = (ua.indexOf("sunos")!=-1);
this.sun4 = (ua.indexOf("sunos 4")!=-1);
this.sun5 = (ua.indexOf("sunos 5")!=-1);
this.suni86= (this.sun && (ua.indexOf("i86")!=-1));
this.irix = (ua.indexOf("irix") !=-1); // SGI
this.irix5 = (ua.indexOf("irix 5") !=-1);
this.irix6 = ((ua.indexOf("irix 6") !=-1) || (ua.indexOf("irix6") !=-1));
this.hpux = (ua.indexOf("hp-ux")!=-1);
this.hpux9 = (this.hpux && (ua.indexOf("09.")!=-1));
this.hpux10= (this.hpux && (ua.indexOf("10.")!=-1));
this.aix = (ua.indexOf("aix") !=-1); // IBM
this.aix1 = (ua.indexOf("aix 1") !=-1);
this.aix2 = (ua.indexOf("aix 2") !=-1);
this.aix3 = (ua.indexOf("aix 3") !=-1);
this.aix4 = (ua.indexOf("aix 4") !=-1);
this.linux = (ua.indexOf("linux")!=-1);
this.sco = (ua.indexOf("sco")!=-1) || (ua.indexOf("unix_sv")!=-1);
this.unixware = (ua.indexOf("unix_system_v")!=-1);
this.mpras = (ua.indexOf("ncr")!=-1);
this.reliant = (ua.indexOf("reliantunix")!=-1);
this.dec = ((ua.indexOf("dec")!=-1) || (ua.indexOf("osf1")!=-1) ||
(ua.indexOf("dec_alpha")!=-1) || (ua.indexOf("alphaserver")!=-1) ||
(ua.indexOf("ultrix")!=-1) || (ua.indexOf("alphastation")!=-1));
this.sinix = (ua.indexOf("sinix")!=-1);
this.freebsd = (ua.indexOf("freebsd")!=-1);
this.bsd = (ua.indexOf("bsd")!=-1);
this.unix = ((ua.indexOf("x11")!=-1) || this.sun || this.irix || this.hpux ||
this.sco ||this.unixware || this.mpras || this.reliant ||
this.dec || this.sinix || this.aix || this.linux || this.bsd || this.freebsd);
if (this.unix) this.name = "Unix";
if (this.linux) this.platform = "Linux";
this.vms = ((ua.indexOf("vax")!=-1) || (ua.indexOf("openvms")!=-1));
if (this.vms) this.platform = "VMS";
}
var browser;
var browserIE3Mac = false;
// this section is designed specifically for IE3 for the Mac
if ((navigator.appVersion.indexOf("Mac")!=-1) && (navigator.userAgent.indexOf("MSIE")!=-1) &&
(parseInt(navigator.appVersion)==3))
browserIE3Mac = true;
else browser = new Browser();