// Ultimate client-side JavaScript client sniff. Version 4.9
// based upon: Ultimate client-side JavaScript client sniff. Version 3.03
// (C) Netscape Communications 1999-2001.  Permission granted to reuse and distribute.
// Revised 17 May 1999	to add is.nav5up and is.ie5up (see below).
// Revised 21 Nov 2000	to add is.gecko and is.ie5_5 Also Changed is.nav5 and is.nav5up to is.nav6 and is.nav6up
// Revised 22 Feb 2001	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
//							add is.aol5, is.aol6
// Revised 26 Mar 2001	to correct Opera detection
// Revised 02 Oct 2001	to add IE6 detection
// Changed 20 Jan 2002	to add Opera 6 detection and ua String to the Object by Michael Levitin, Bronner Online AG (derStandard.at)
// Revised 08 Oct 2002	by Tim Dobbelaere (http://tim.dobbelaere.com)
//						to add WinXP (is.winxp), Windows.NET (is.windotnet)
//							correct Mozilla & Netscape browser/engine distiction <<< use engine detection!
//							mozilla engine: is.moz, is.moz2, is.moz2up, is.moz3, is.moz3up, is.moz4, is.moz4up, is.moz5, is.moz5up
//								mozilla browser: is.mozilla, is.mozilla1
//							correct is.nav6 and is.nav6up, add is.nav7, is.aol7, is.aol8, is.opera6, is.opera6up
//								add is.macos, is.macos8, is.macos9, is.macosx
// Changed 29 Jan 2003	to add Opera 7 detection by Michael Levitin, Bronner Online AG (derStandard.at)
// Revises 23 Sep 2003	by Michael Levitin, Bronner Online AG (derStandard.at)
//						to incoparate changes from 08 Oct 02 by Tim Dobbelaere and correct some issuses created by this import
//							add Opera 7.2 detection
//							add gecko engine details detection
//							add first quick KHTML Engine and Safari/Konqueror(KDE) detection
//							correct mozilla detection
// Revises 30 Jan 2004	by Michael Levitin, Bronner Online AG (derStandard.at)
//						to add more mozilla and gecko engine details detections
// Revises 04 Feb 2004	by Michael Levitin, Bronner Online AG (derStandard.at)
//						to optimize up browser detections
// Changed 22 Jun 2005	by Michael Levitin, Bronner Online AG (derStandard.at)
//						add PlugIns placeholder for later PlugIns Object
// Changed 06 Oct 2005	by Michael Levitin, Bronner Online AG (derStandard.at)
//						to convert spaces to tabs for size reduction
//							add Opera over version 7.5
//							add Konqueror all versions

// 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.ie, is.mozilla, is.nav, is.opera, is.safari, is.aol, 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) (mozilla/render) engine generation
//		is.moz2, is.moz2up, is.moz3, is.moz3up, is.moz4, is.moz4up, is.moz5, is.moz5up
//		is.gecko1, is.gecko1up, is.gecko1_1, is.gecko1_1up, is.gecko1_2, is.gecko1_2up, is.gecko1_3, is.gecko1_3up, is.gecko1_4, is.gecko1_4up, is.gecko1_5, is.gecko1_5up
//		is.khtml
// (4) browser vendor AND major version number
//		is.ie3, is.ie4, is.ie4up, is.ie5, is.ie5up, is.ie5_5, is.ie5_5up, is.ie6, is.ie6up, is.ie7, is.ie7up
//		is.mozilla1
//		is.nav2, is.nav3, is.nav4, is.nav4up, is.nav6, is.nav6up, is.nav7, is.nav7up
//		is.opera2, is.opera3, is.opera4, is.opera5, is.opera5up, is.opera6, is.opera6up, is.opera7, is.opera7up, is.opera7_2, is.opera7_2up
//		is.safari
//		is.kde
//		is.aol3, is.aol4, is.aol5, is.aol6, is.aol7, is.aol8
//		is.hotjava3, is.hotjava3up
// (5) JavaScript version number:
//		is.js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...)
// (6) OS platform and version:
//		is.win, is.win16, is.win32, is.win31, is.win95, is.winnt, is.win98, is.winme, is.win2k, is.winxp, is.windotnet
//		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();

	this.ua = agt;

	// *** BROWSER VERSION ***
	// Note: On IE5, these return 4, so use is.ie5up to detect IE5
	// or is.ie6up to detect IE6.

	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.moz			= ((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.moz2			= (this.moz && (this.major == 2));
	this.moz3			= (this.moz && (this.major == 3));
	this.moz4			= (this.moz && (this.major == 4));
	this.moz4up			= (this.moz && (this.major >= 4));
	this.moz5			= (this.moz && (this.major == 5));
	this.moz5up			= (this.moz && (this.major >= 5));

	this.gecko			= ((agt.indexOf('gecko') != -1) && (agt.indexOf("khtml") == -1));
	this.gecko0			= (this.gecko && (agt.indexOf("rv:0") != -1));
	this.gecko1			= (this.gecko && (agt.indexOf("rv:1.0") != -1));
	this.gecko1up		= (this.gecko && !this.gecko0);
	this.gecko1_1		= (this.gecko && (agt.indexOf("rv:1.1") != -1));
	this.gecko1_1up		= (this.gecko1up && !this.gecko1);
	this.gecko1_2		= (this.gecko && (agt.indexOf("rv:1.2") != -1));
	this.gecko1_2up		= (this.gecko1_1up && !this.gecko1_1);
	this.gecko1_3		= (this.gecko && (agt.indexOf("rv:1.3") != -1));
	this.gecko1_3up		= (this.gecko1_2up && !this.gecko1_2);
	this.gecko1_4		= (this.gecko && (agt.indexOf("rv:1.4") != -1));
	this.gecko1_4up		= (this.gecko1_3up && !this.gecko1_3);
	this.gecko1_5		= (this.gecko && (agt.indexOf("rv:1.5") != -1));
	this.gecko1_5up		= (this.gecko1_4up && !this.gecko1_4);
	this.gecko1_6		= (this.gecko && (agt.indexOf("rv:1.6") != -1));
	this.gecko1_6up		= (this.gecko1_5up && !this.gecko1_5);

	this.nav2			= this.moz2;
	this.nav3			= this.moz3;
	this.nav4			= this.moz4;
	this.nav4up			= (this.nav4 || ((this.major >= 4) && (agt.indexOf("netscape") != -1)));
	this.nav			= (this.nav2 || this.nav3 || this.nav4);
	this.nav6			= (this.moz && (this.major == 5) && (agt.indexOf("netscape6/6") != -1));
	this.nav6up			= (this.moz && (this.major >= 5) && (agt.indexOf("netscape") != -1));
	this.nav7			= (this.moz && (this.major == 5) && (agt.indexOf("netscape/7") != -1));
	this.nav7up			= (this.nav6up && !this.nav6);
	this.navonly		= (this.nav && ((agt.indexOf(";nav") != -1) || (agt.indexOf("; nav") != -1)));

	this.mozilla		= (this.moz && this.gecko && (agt.indexOf('netscape') == -1));
	this.mozilla1		= (this.mozilla && this.gecko1);
	this.mozilla1up		= (this.mozilla && this.gecko1up);
	this.mozilla1_1		= (this.mozilla && this.gecko1_1);
	this.mozilla1_1up	= (this.mozilla && this.gecko1_1up);
	this.mozilla1_2		= (this.mozilla && this.gecko1_2);
	this.mozilla1_2up	= (this.mozilla && this.gecko1_2up);
	this.mozilla1_3		= (this.mozilla && this.gecko1_3);
	this.mozilla1_3up	= (this.mozilla && this.gecko1_3up);
	this.mozilla1_4		= (this.mozilla && this.gecko1_4);
	this.mozilla1_4up	= (this.mozilla && this.gecko1_4up);
	this.mozilla1_5		= (this.mozilla && this.gecko1_5);
	this.mozilla1_5up	= (this.mozilla && this.gecko1_5up);
	this.mozilla1_6		= (this.mozilla && this.gecko1_6);
	this.mozilla1_6up	= (this.mozilla && this.gecko1_6up);

	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.ie5up			= (this.ie && !this.ie3 && !this.ie4);
	this.ie5_5			= (this.ie && (this.major == 4) && (agt.indexOf("msie 5.5") != -1));
	this.ie5_5up		= (this.ie5up && !this.ie5);
	this.ie6			= (this.ie && (this.major == 4) && (agt.indexOf("msie 6.") != -1));
	this.ie6up			= (this.ie5_5up && !this.ie5_5);
	this.ie7			= (this.ie && (this.major == 4) && (agt.indexOf("msie 7.") != -1) );
	this.ie7up			= (this.ie6up && !this.ie6);

	this.msn			= (this.ie4up && (agt.indexOf("msn") != -1));
	this.msn2_5			= (this.msn && (agt.indexOf("msn 2.5") != -1));
	this.msn2_6			= (this.msn && (agt.indexOf("msn 2.6") != -1));

	this.aol			= (agt.indexOf("aol") != -1);
	this.aol3			= (this.aol && this.ie3);
	this.aol4ie3		= (this.aol && this.ie3);
	this.aol4ie4		= (this.aol && this.ie4);
	this.aol4			= (this.aol4ie3 || this.aol4ie4);
	this.aol5			= (agt.indexOf("aol 5") != -1);
	this.aol6			= (agt.indexOf("aol 6") != -1);
	this.aol7			= ((agt.indexOf("aol 7") != -1) || agt.indexOf("aol/7") != -1);
	this.aol8			= ((agt.indexOf("aol 8") != -1) || agt.indexOf("aol/8") != -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.opera6			= (agt.indexOf("opera 6") != -1 || agt.indexOf("opera/6") != -1);
	this.opera6up		= (this.opera5up && !this.opera5);
	this.opera7			= (agt.indexOf("opera 7.0") != -1 || agt.indexOf("opera/7.0") != -1);
	this.opera7up		= (this.opera6up && !this.opera6);
	this.opera7_1		= (agt.indexOf("opera 7.1") != -1 || agt.indexOf("opera/7.1") != -1);
	this.opera7_1up		= (this.opera7up && !this.opera7);
	this.opera7_2		= (agt.indexOf("opera 7.2") != -1 || agt.indexOf("opera/7.2") != -1);
	this.opera7_2up		= (this.opera7_1up && !this.opera7_1);
	this.opera7_5		= (agt.indexOf("opera 7.5") != -1 || agt.indexOf("opera/7.5") != -1);
	this.opera7_5up		= (this.opera7_2up && !this.opera7_2);
	this.opera8			= (agt.indexOf("opera 8.0") != -1 || agt.indexOf("opera/8.0") != -1);
	this.opera8up		= (this.opera7_5up && !this.opera7_5);
	this.opera8_5		= (agt.indexOf("opera 8.5") != -1 || agt.indexOf("opera/8.5") != -1);
	this.opera8_5up		= (this.opera8up && !this.opera8);

	this.khtml			= ((agt.indexOf("khtml") != -1) || (agt.indexOf("konqueror") != -1));

	this.safari			= (this.khtml && (agt.indexOf("safari") != -1));

	this.kde			= (this.khtml && (agt.indexOf("konqueror") != -1));
	this.kde1			= (this.khtml && (agt.indexOf("konqueror/1") != -1));
	this.kde2			= (this.khtml && (agt.indexOf("konqueror/2") != -1));
	this.kde3			= (this.khtml && (agt.indexOf("konqueror/3.0") != -1));
	this.kde3up			= (this.kde && !this.kde1 && !this.kde2);
	this.kde3_2			= (this.khtml && (agt.indexOf("konqueror/3.2") != -1));
	this.kde3_2up		= (this.kde3up && !this.kde3);
	this.kde3_3			= (this.khtml && (agt.indexOf("konqueror/3.3") != -1));
	this.kde3_3up		= (this.kde3_2up && !this.kde3_2);
	this.kde3_4			= (this.khtml && (agt.indexOf("konqueror/3.4") != -1));
	this.kde3_4up		= (this.kde3_3up && !this.kde3_3);

	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.winxp			= ((agt.indexOf("windows nt 5.1") != -1));
	this.windotnet		= ((agt.indexOf("windows nt 5.2") != -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)));
	// macos detection not a real science, too little info in ua
	this.macos			= (this.mac && ((agt.indexOf("mac os") != -1) ||
							(agt.indexOf("macos") != -1) ||
							this.ie));
	this.macos8			= (this.macos && ((agt.indexOf("os 8") != -1) ||
							(agt.indexOf("os8") != -1)));
	// ie5.13 reports as ie5.12 on os x
	this.macos9			= ((this.mac && (this.ie5 && (agt.indexOf("msie 5.13") != -1))) ||
							(this.macos && ((agt.indexOf("os 9") != -1) ||
							(agt.indexOf("os9") != -1))));
	this.macosx			= (this.macos && ((agt.indexOf("os x") != -1) ||
							(agt.indexOf("osx") != -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));

	this.PlugIns = null;
}