//<!--// 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));//-->