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File: sniffer.js

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File: sniffer.js
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Content type: text/plain
Description: A browser detection lib that's required
Class: HTML_TreeMenu
Easy aPI to produce a dynamic tree menu
Author: By
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Date: 21 years ago
Size: 10,683 bytes
 

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//<!-- // Ultimate client-side JavaScript client sniff. Version 3.03 // (C) Netscape Communications 1999-2001. Permission granted to reuse and distribute. // Revised 17 May 99 to add is_nav5up and is_ie5up (see below). // Revised 20 Dec 00 to add is_gecko and change is_nav5up to is_nav6up // also added support for IE5.5 Opera4&5 HotJava3 AOLTV // 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. Creates "is_" variables 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, // is_opera2, is_opera3, is_opera4, is_opera5, is_opera5up // (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 new versions of browsers are released, so // in conditional code forks, use is_ie5up ("IE 5.0 or greater") // is_opera5up ("Opera 5.0 or greater") instead of is_ie5 or is_opera5 // to check version in code which you want to work on future // versions. // 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. var is_major = parseInt(navigator.appVersion); var is_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. var is_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)); var is_nav2 = (is_nav && (is_major == 2)); var is_nav3 = (is_nav && (is_major == 3)); var is_nav4 = (is_nav && (is_major == 4)); var is_nav4up = (is_nav && (is_major >= 4)); var is_navonly = (is_nav && ((agt.indexOf(";nav") != -1) || (agt.indexOf("; nav") != -1)) ); var is_nav6 = (is_nav && (is_major == 5)); var is_nav6up = (is_nav && (is_major >= 5)); var is_gecko = (agt.indexOf('gecko') != -1); var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)); var is_ie3 = (is_ie && (is_major < 4)); var is_ie4 = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) ); var is_ie4up = (is_ie && (is_major >= 4)); var is_ie5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) ); var is_ie5_5 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1)); var is_ie5up = (is_ie && !is_ie3 && !is_ie4); var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5); var is_ie6 = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) ); var is_ie6up = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_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. var is_aol = (agt.indexOf("aol") != -1); var is_aol3 = (is_aol && is_ie3); var is_aol4 = (is_aol && is_ie4); var is_aol5 = (agt.indexOf("aol 5") != -1); var is_aol6 = (agt.indexOf("aol 6") != -1); var is_opera = (agt.indexOf("opera") != -1); var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1); var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1); var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1); var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1); var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4); var is_webtv = (agt.indexOf("webtv") != -1); var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); var is_AOLTV = is_TVNavigator; var is_hotjava = (agt.indexOf("hotjava") != -1); var is_hotjava3 = (is_hotjava && (is_major == 3)); var is_hotjava3up = (is_hotjava && (is_major >= 3)); // *** JAVASCRIPT VERSION CHECK *** var is_js; if (is_nav2 || is_ie3) is_js = 1.0; else if (is_nav3) is_js = 1.1; else if (is_opera5up) is_js = 1.3; else if (is_opera) is_js = 1.1; else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2; else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3; else if (is_hotjava3up) is_js = 1.4; else if (is_nav6 || is_gecko) is_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 (is_nav6up) is_js = 1.5; // NOTE: ie5up on mac is 1.4 else if (is_ie5up) is_js = 1.3 // HACK: no idea for other browsers; always check for JS version with > or >= else is_js = 0.0; // *** PLATFORM *** var is_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. var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1)); // is this a 16 bit compiled version? var is_win16 = ((agt.indexOf("win16")!=-1) || (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("windows 16-bit")!=-1) ); var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) || (agt.indexOf("windows 16-bit")!=-1)); var is_winme = ((agt.indexOf("win 9x 4.90")!=-1)); var is_win2k = ((agt.indexOf("windows nt 5.0")!=-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". var is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1)); var is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1)); var is_win32 = (is_win95 || is_winnt || is_win98 || ((is_major >= 4) && (navigator.platform == "Win32")) || (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1)); var is_os2 = ((agt.indexOf("os/2")!=-1) || (navigator.appVersion.indexOf("OS/2")!=-1) || (agt.indexOf("ibm-webexplorer")!=-1)); var is_mac = (agt.indexOf("mac")!=-1); // hack ie5 js version for mac if (is_mac && is_ie5up) is_js = 1.4; var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) || (agt.indexOf("68000")!=-1))); var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || (agt.indexOf("powerpc")!=-1))); var is_sun = (agt.indexOf("sunos")!=-1); var is_sun4 = (agt.indexOf("sunos 4")!=-1); var is_sun5 = (agt.indexOf("sunos 5")!=-1); var is_suni86= (is_sun && (agt.indexOf("i86")!=-1)); var is_irix = (agt.indexOf("irix") !=-1); // SGI var is_irix5 = (agt.indexOf("irix 5") !=-1); var is_irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1)); var is_hpux = (agt.indexOf("hp-ux")!=-1); var is_hpux9 = (is_hpux && (agt.indexOf("09.")!=-1)); var is_hpux10= (is_hpux && (agt.indexOf("10.")!=-1)); var is_aix = (agt.indexOf("aix") !=-1); // IBM var is_aix1 = (agt.indexOf("aix 1") !=-1); var is_aix2 = (agt.indexOf("aix 2") !=-1); var is_aix3 = (agt.indexOf("aix 3") !=-1); var is_aix4 = (agt.indexOf("aix 4") !=-1); var is_linux = (agt.indexOf("inux")!=-1); var is_sco = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1); var is_unixware = (agt.indexOf("unix_system_v")!=-1); var is_mpras = (agt.indexOf("ncr")!=-1); var is_reliant = (agt.indexOf("reliantunix")!=-1); var is_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)); var is_sinix = (agt.indexOf("sinix")!=-1); var is_freebsd = (agt.indexOf("freebsd")!=-1); var is_bsd = (agt.indexOf("bsd")!=-1); var is_unix = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux || is_sco ||is_unixware || is_mpras || is_reliant || is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd); var is_vms = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1)); //--> end hide JavaScript