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//<--

//  http://www.mozilla.org/docs/web-developer/sniffer/browser_type_oo.html

//

// 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 = (navigator.product == 'Gecko' && !window.find)?true:false;

    this.nav6up = (this.nav && (this.major >= 5));

    this.nav7 = (navigator.product == 'Gecko' && window.find)?true:false;

    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));

}

var is;

var isIE3Mac = 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))

       isIE3Mac = true;

else   is = new Is();

//--> end hide JavaScript