// Ultimate client-side JavaScript client sniff. Version 3.03 // (C) Netscape Communications 1999. Permission granted to reuse and distribute. // Revised 17 May 99 to add is.nav5up and is.ie5up (see below). // Revised 21 Nov 00 to add is.gecko and is.ie5_5 Also Changed is.nav5 and is.nav5up to is.nav6 and is.nav6up // Revised 22 Feb 01 to correct Javascript Detection for IE 5.x, Opera 4, // correct Opera 5 detection // add support for winME and win2k // synch with browser-type-oo.js // Revised 26 Mar 01 to correct Opera detection // Revised 02 Oct 01 to add IE6 detection // Everything you always wanted to know about your JavaScript client // but were afraid to ask ... "Is" is the constructor function for "is" object, // which has properties indicating: // (1) browser vendor: // is.nav, is.ie, is.opera, is.hotjava, is.webtv, is.TVNavigator, is.AOLTV // (2) browser version number: // is.major (integer indicating major version number: 2, 3, 4 ...) // is.minor (float indicating full version number: 2.02, 3.01, 4.04 ...) // (3) browser vendor AND major version number // is.nav2, is.nav3, is.nav4, is.nav4up, is.nav6, is.nav6up, is.gecko, is.ie3, // is.ie4, is.ie4up, is.ie5, is.ie5up, is.ie5_5, is.ie5_5up, is.ie6, is.ie6up, is.hotjava3, is.hotjava3up // (4) JavaScript version number: // is.js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...) // (5) OS platform and version: // is.win, is.win16, is.win32, is.win31, is.win95, is.winnt, is.win98, is.winme, is.win2k // is.os2 // is.mac, is.mac68k, is.macppc // is.unix // is.sun, is.sun4, is.sun5, is.suni86 // is.irix, is.irix5, is.irix6 // is.hpux, is.hpux9, is.hpux10 // is.aix, is.aix1, is.aix2, is.aix3, is.aix4 // is.linux, is.sco, is.unixware, is.mpras, is.reliant // is.dec, is.sinix, is.freebsd, is.bsd // is.vms // // See http://www.it97.de/JavaScript/JS_tutorial/bstat/navobj.html and // http://www.it97.de/JavaScript/JS_tutorial/bstat/Browseraol.html // for detailed lists of userAgent strings. // // Note: you don't want your Nav4 or IE4 code to "turn off" or // stop working when Nav5 and IE5 (or later) are released, so // in conditional code forks, use is.nav4up ("Nav4 or greater") // and is.ie4up ("IE4 or greater") instead of is.nav4 or is.ie4 // to check version in code which you want to work on future // versions. function Is () { // convert all characters to lowercase to simplify testing var agt=navigator.userAgent.toLowerCase(); // *** BROWSER VERSION *** // Note: On IE5, these return 4, so use is.ie5up to detect IE5. this.major = parseInt(navigator.appVersion); this.minor = parseFloat(navigator.appVersion); // Note: Opera and WebTV spoof Navigator. We do strict client detection. // If you want to allow spoofing, take out the tests for opera and webtv. this.nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-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 && ((agt.indexOf(";nav") != -1) || (agt.indexOf("; nav") != -1)) ); this.nav6 = (this.nav && (this.major == 5)); this.nav6up = (this.nav && (this.major >= 5)); this.gecko = (agt.indexOf('gecko') != -1); this.ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)); this.ie3 = (this.ie && (this.major < 4)); this.ie4 = (this.ie && (this.major == 4) && (agt.indexOf("msie 4")!=-1) ); this.ie4up = (this.ie && (this.major >= 4)); this.ie5 = (this.ie && (this.major == 4) && (agt.indexOf("msie 5.0")!=-1) ); this.ie5_5 = (this.ie && (this.major == 4) && (agt.indexOf("msie 5.5") !=-1)); this.ie5up = (this.ie && !this.ie3 && !this.ie4); this.ie5_5up =(this.ie && !this.ie3 && !this.ie4 && !this.ie5); this.ie6 = (this.ie && (this.major == 4) && (agt.indexOf("msie 6.")!=-1) ); this.ie6up = (this.ie && !this.ie3 && !this.ie4 && !this.ie5 && !this.ie5_5); // KNOWN BUG: On AOL4, returns false if IE3 is embedded browser // or if this is the first browser window opened. Thus the // variables is.aol, is.aol3, and is.aol4 aren't 100% reliable. this.aol = (agt.indexOf("aol") != -1); this.aol3 = (this.aol && this.ie3); this.aol4 = (this.aol && this.ie4); this.aol5 = (agt.indexOf("aol 5") != -1); this.aol6 = (agt.indexOf("aol 6") != -1); this.opera = (agt.indexOf("opera") != -1); this.opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1); this.opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1); this.opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1); this.opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1); this.opera5up = (this.opera && !this.opera2 && !this.opera3 && !this.opera4); this.webtv = (agt.indexOf("webtv") != -1); this.TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); this.AOLTV = this.TVNavigator; this.hotjava = (agt.indexOf("hotjava") != -1); this.hotjava3 = (this.hotjava && (this.major == 3)); this.hotjava3up = (this.hotjava && (this.major >= 3)); // *** JAVASCRIPT VERSION CHECK *** if (this.nav2 || this.ie3) this.js = 1.0; else if (this.nav3) this.js = 1.1; else if (this.opera5up) this.js = 1.3; else if (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.hotjava3up) this.js = 1.4; else if (this.nav6 || this.gecko) 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.nav6up) this.js = 1.5; // note ie5up on mac is 1.4 else if (this.ie5up) 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 = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) ); // 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 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1)); // is this a 16 bit compiled version? this.win16 = ((agt.indexOf("win16")!=-1) || (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("windows 16-bit")!=-1) ); this.win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) || (agt.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 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1)); this.winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1)); this.win32 = (this.win95 || this.winnt || this.win98 || ((this.major >= 4) && (navigator.platform == "Win32")) || (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1)); this.winme = ((agt.indexOf("win 9x 4.90")!=-1)); this.win2k = ((agt.indexOf("windows nt 5.0")!=-1)); this.os2 = ((agt.indexOf("os/2")!=-1) || (navigator.appVersion.indexOf("OS/2")!=-1) || (agt.indexOf("ibm-webexplorer")!=-1)); this.mac = (agt.indexOf("mac")!=-1); // hack ie5 js version for mac if (this.mac && this.ie5up) this.js = 1.4; this.mac68k = (this.mac && ((agt.indexOf("68k")!=-1) || (agt.indexOf("68000")!=-1))); this.macppc = (this.mac && ((agt.indexOf("ppc")!=-1) || (agt.indexOf("powerpc")!=-1))); this.sun = (agt.indexOf("sunos")!=-1); this.sun4 = (agt.indexOf("sunos 4")!=-1); this.sun5 = (agt.indexOf("sunos 5")!=-1); this.suni86= (this.sun && (agt.indexOf("i86")!=-1)); this.irix = (agt.indexOf("irix") !=-1); // SGI this.irix5 = (agt.indexOf("irix 5") !=-1); this.irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1)); this.hpux = (agt.indexOf("hp-ux")!=-1); this.hpux9 = (this.hpux && (agt.indexOf("09.")!=-1)); this.hpux10= (this.hpux && (agt.indexOf("10.")!=-1)); this.aix = (agt.indexOf("aix") !=-1); // IBM this.aix1 = (agt.indexOf("aix 1") !=-1); this.aix2 = (agt.indexOf("aix 2") !=-1); this.aix3 = (agt.indexOf("aix 3") !=-1); this.aix4 = (agt.indexOf("aix 4") !=-1); this.linux = (agt.indexOf("inux")!=-1); this.sco = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1); this.unixware = (agt.indexOf("unix_system_v")!=-1); this.mpras = (agt.indexOf("ncr")!=-1); this.reliant = (agt.indexOf("reliantunix")!=-1); this.dec = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) || (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) || (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1)); this.sinix = (agt.indexOf("sinix")!=-1); this.freebsd = (agt.indexOf("freebsd")!=-1); this.bsd = (agt.indexOf("bsd")!=-1); this.unix = ((agt.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); this.vms = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1)); }