// Browsererkennung durch Objekt browserdetect
//***********************************************
// Anwendung: browser = new browserdetect();
// dann z.B. if (browserdetect.is_ie5up){ ...
// liefert auch Kennwerte des Documents / Screens / Flash-Plugin
// Achtung: 
// ********
// Für den  ie6 darf in der !DOCTYPE-Deklaration 'Transitional' keine URL verwendet werden, damit
// dieser für clientHeight einen vernünftigen Wert liefert!
function iv(b,val){
	if (b){
		return val;
	}
	else {
		return 0;
	}
}

function browserdetect(){
	with (this){	
		this.appVer = navigator.appVersion.toLowerCase();
		this.agt = navigator.userAgent.toLowerCase();
		this.is_minor = parseFloat(appVer);
		this.is_major = parseInt(is_minor);
		this.is_opera = (agt.indexOf("opera") != -1);
		this.is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
		this.is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
		this.is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
		this.is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
		this.is_opera6 = (agt.indexOf("opera 6") != -1 || agt.indexOf("opera/6") != -1); // new 020128- abk
		this.is_opera7 = (agt.indexOf("opera 7") != -1 || agt.indexOf("opera/7") != -1); // new 021205- dmr
		this.is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);
		this.is_opera6up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5); // new020128
		this.is_opera7up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5 && !is_opera6); // new021205 -- dmr
		var iePos  = appVer.indexOf('msie');
		if (iePos !=-1) {
		   is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)))
		   is_major = parseInt(is_minor);
		}
		this.is_konq = false;
		var kqPos   = agt.indexOf('konqueror');
		if (kqPos !=-1) {                 
		   is_konq  = true;
		   is_minor = parseFloat(agt.substring(kqPos+10,agt.indexOf(';',kqPos)));
		   is_major = parseInt(is_minor);
		}                                 
		this.is_safari = ((agt.indexOf('safari')!=-1)&&(agt.indexOf('mac')!=-1))?true:false;
		this.is_khtml  = (is_safari || is_konq);
		this.is_gecko = ((!is_khtml)&&(navigator.product)&&(navigator.product.toLowerCase()=="gecko"))?true:false;
		this.is_gver  = 0;
		if (is_gecko) is_gver=navigator.productSub;
		this.is_moz   = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
						(agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
						(agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
						(is_gecko) && 
						((navigator.vendor=="")||(navigator.vendor=="Mozilla")));
		if (is_moz) {
		   var is_moz_ver = (navigator.vendorSub)?navigator.vendorSub:0;
		   if(!(is_moz_ver)) {
			   is_moz_ver = agt.indexOf('rv:');
			   is_moz_ver = agt.substring(is_moz_ver+3);
			   var is_paren   = is_moz_ver.indexOf(')');
			   is_moz_ver = is_moz_ver.substring(0,is_paren);
		   }
		   is_minor = is_moz_ver;
		   is_major = parseInt(is_moz_ver);
		}
		this.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)
					&& (!is_khtml) && (!(is_moz)));
	
		// Netscape6 is mozilla/5 + Netscape6/6.0!!!
		// Mozilla/5.0 (Windows; U; Win98; en-US; m18) Gecko/20001108 Netscape6/6.0
		// Changed this to use navigator.vendor/vendorSub - dmr 060502   
		// var nav6Pos = agt.indexOf('netscape6');
		// if (nav6Pos !=-1) {
		if ((navigator.vendor)&&
			((navigator.vendor=="Netscape6")||(navigator.vendor=="Netscape"))&&
			(is_nav)) {
		   is_major = parseInt(navigator.vendorSub);
		   // here we need is_minor as a valid float for testing. We'll
		   // revert to the actual content before printing the result. 
		   is_minor = parseFloat(navigator.vendorSub);
		}
		this.is_nav2 = (is_nav && (is_major == 2));
		this.is_nav3 = (is_nav && (is_major == 3));
		this.is_nav4 = (is_nav && (is_major == 4));
		this.is_nav4up = (is_nav && is_minor >= 4);  // changed to is_minor for
													// consistency - dmr, 011001
		this.is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
							 (agt.indexOf("; nav") != -1)) );
	
		this.is_nav6   = (is_nav && is_major==6);    // new 010118 mhp
		this.is_nav6up = (is_nav && is_minor >= 6) // new 010118 mhp
	
		this.is_nav5   = (is_nav && is_major == 5 && !is_nav6); // checked for ns6
		this.is_nav5up = (is_nav && is_minor >= 5);
	
		this.is_nav7   = (is_nav && is_major == 7);
		this.is_nav7up = (is_nav && is_minor >= 7);
	
		this.is_ie   = ((iePos!=-1) && (!is_opera) && (!is_khtml));
		this.is_ie3  = (is_ie && (is_major < 4));
	
		this.is_ie4   = (is_ie && is_major == 4);
		this.is_ie4up = (is_ie && is_minor >= 4);
		this.is_ie5   = (is_ie && is_major == 5);
		this.is_ie5up = (is_ie && is_minor >= 5);
		
		this.is_ie5_5  = (is_ie && (agt.indexOf("msie 5.5") !=-1)); // 020128 new - abk
		this.is_ie5_5up =(is_ie && is_minor >= 5.5);                // 020128 new - abk
		
		this.is_ie6   = (is_ie && is_major == 6);
		this.is_ie6up = (is_ie && is_minor >= 6);
		this.is_aol   = (agt.indexOf("aol") != -1);
		this.is_aol3  = (is_aol && is_ie3);
		this.is_aol4  = (is_aol && is_ie4);
		this.is_aol5  = (agt.indexOf("aol 5") != -1);
		this.is_aol6  = (agt.indexOf("aol 6") != -1);
		this.is_aol7  = ((agt.indexOf("aol 7")!=-1) || (agt.indexOf("aol7")!=-1));
		this.is_aol8  = ((agt.indexOf("aol 8")!=-1) || (agt.indexOf("aol8")!=-1));
		this.is_webtv = (agt.indexOf("webtv") != -1);
		this.is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); 
		this.is_AOLTV = is_TVNavigator;
		this.is_hotjava = (agt.indexOf("hotjava") != -1);
		this.is_hotjava3 = (is_hotjava && (is_major == 3));
		this.is_hotjava3up = (is_hotjava && (is_major >= 3));
		
	    // *** PLATFORM ***
		this.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.
		this.is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));
		// is this a 16 bit compiled version?
		this.is_win16 = ((agt.indexOf("win16")!=-1) ||
				   (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) ||
				   (agt.indexOf("windows 16-bit")!=-1) );
		this.is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
						(agt.indexOf("windows 16-bit")!=-1));
		this.is_winme = ((agt.indexOf("win 9x 4.90")!=-1));    // new 020128 - abk
		this.is_win2k = ((agt.indexOf("windows nt 5.0")!=-1) || (agt.indexOf("windows 2000")!=-1)); // 020214 - dmr
		this.is_winxp = ((agt.indexOf("windows nt 5.1")!=-1) || (agt.indexOf("windows xp")!=-1)); // 020214 - dmr
		// 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.is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1));
		this.is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1));
		this.is_win32 = (is_win95 || is_winnt || is_win98 ||
						((is_major >= 4) && (navigator.platform == "Win32")) ||
						(agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1));
		// bisher erscheint is_winnt immer zusammen mit is_win2k und is_winxp
		// schalte zukünftig in diesem Fall is_winnt ab!
		if (is_win2k || is_winxp) { is_winnt = false };
		this.is_os2   = ((agt.indexOf("os/2")!=-1) ||
						(navigator.appVersion.indexOf("OS/2")!=-1) ||
						(agt.indexOf("ibm-webexplorer")!=-1));
		this.is_mac    = (agt.indexOf("mac")!=-1);
		if (is_mac) { is_win = !is_mac; } // dmr - 06/20/2002
		this.is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) ||
								   (agt.indexOf("68000")!=-1)));
		this.is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) ||
									(agt.indexOf("powerpc")!=-1)));
		this.is_sun   = (agt.indexOf("sunos")!=-1);
		this.is_sun4  = (agt.indexOf("sunos 4")!=-1);
		this.is_sun5  = (agt.indexOf("sunos 5")!=-1);
		this.is_suni86= (is_sun && (agt.indexOf("i86")!=-1));
		this.is_irix  = (agt.indexOf("irix") !=-1);    // SGI
		this.is_irix5 = (agt.indexOf("irix 5") !=-1);
		this.is_irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1));
		this.is_hpux  = (agt.indexOf("hp-ux")!=-1);
		this.is_hpux9 = (is_hpux && (agt.indexOf("09.")!=-1));
		this.is_hpux10= (is_hpux && (agt.indexOf("10.")!=-1));
		this.is_aix   = (agt.indexOf("aix") !=-1);      // IBM
		this.is_aix1  = (agt.indexOf("aix 1") !=-1);
		this.is_aix2  = (agt.indexOf("aix 2") !=-1);
		this.is_aix3  = (agt.indexOf("aix 3") !=-1);
		this.is_aix4  = (agt.indexOf("aix 4") !=-1);
		this.is_linux = (agt.indexOf("inux")!=-1);
		this.is_sco   = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
		this.is_unixware = (agt.indexOf("unix_system_v")!=-1);
		this.is_mpras    = (agt.indexOf("ncr")!=-1);
		this.is_reliant  = (agt.indexOf("reliantunix")!=-1);
		this.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));
		this.is_sinix = (agt.indexOf("sinix")!=-1);
		this.is_freebsd = (agt.indexOf("freebsd")!=-1);
		this.is_bsd = (agt.indexOf("bsd")!=-1);
		this.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);
		this.is_vms   = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1));
		// sonstige Browsermöglichkeiten
		this.is_anchors = (document.anchors) ? true : false;
		this.is_regexp = (window.RegExp) ? true:false;
		this.is_cookie = (document.cookie) ? true : false;
		this.is_forms = (document.forms) ? true : false;
		this.is_frames = (window.frames) ? true : false;
		this.is_screen = (window.screen) ? true : false;
		this.is_getElementById = (document.getElementById) ? true : false; 
		this.is_getElementsByName = (document.getElementsByName) ? true : false; 
		this.is_getElementsByTagName = (document.getElementsByTagName) ? true : false; 
		this.is_applets = (document.applets) ? true : false;
		this.is_embeds = (document.embeds) ? true : false;
		this.is_plugins = (navigator.plugins) ? true : false;
		// *** JAVASCRIPT VERSION CHECK ***
		// Useful to workaround Nav3 bug in which Nav3
		// loads <SCRIPT LANGUAGE="JavaScript1.2">.
		// updated 020131 by dragle
		this.is_js = 0;
		if (is_nav2 || is_ie3) is_js = 1.0;
		else if (is_nav3) is_js = 1.1;
		else if ((is_opera5)||(is_opera6)) is_js = 1.3; // 020214 - dmr
		else if (is_opera7up) is_js = 1.5; // 031010 - dmr
		else if (is_khtml) is_js = 1.5;   // 030110 - dmr
		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_nav5 && !(is_nav6)) is_js = 1.4;
		else if (is_hotjava3up) is_js = 1.4; // new 020128 - abk
		else if (is_nav6up) 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_nav && (is_major > 5)) is_js = 1.4;
		else if (is_ie && (is_major > 5)) is_js = 1.3;
		else if (is_moz) is_js = 1.5;
		// what about ie6 and ie6up for js version? abk
		// HACK: no idea for other browsers; always check for JS version 
		// with > or >=
		else is_js = 0.0;
		// HACK FOR IE5 MAC = js vers = 1.4 (if put inside if/else jumps out at 1.3)
		if ((agt.indexOf("mac")!=-1) && is_ie5up) is_js = 1.4; // 020128 - abk
		// Done with is_minor testing; revert to real for N6/7
		if (is_nav6up) {
		   is_minor = navigator.vendorSub;
		}
		// Parameter der Anzeige
		this.document_width = 0;
		this.document_height = 0;
		this.screen_width = 0;
		this.screen_height = 0;
		this.screen_availwidth = 0;
		this.screen_availheight = 0;
		this.screen_colorDepth = 0;
		if (window.screen) {
			screen_width = screen.width;
			screen_height = screen.height;
			screen_availwidth = screen.availWidth;
			screen_availheight = screen.availHeight;
			screen_colorDepth = screen.colorDepth;
		}
		if (is_ie4up){
			// Achtung: Für den  ie6 darf in der !DOCTYPE-Deklaration 'Transitional' keine URL verwendet werden, damit
			// dieser für clientHeight einen vernünftigen Wert liefert!
			document_width = document.body.clientWidth;
			document_height = document.body.clientHeight;
		}
		else {
			document_width = window.innerWidth;
			document_height = window.innerHeight;
		}
		// Flash checking code adapted from Doc JavaScript information; 
		// see http://webref.com/js/column84/2.html
	   has_Flash        = false;
	   has_FlashVersion = 0;
	   if ((is_nav||is_opera||is_moz)||
		   (is_mac&&is_ie5up)) {
		  var plugin = (navigator.mimeTypes && 
						navigator.mimeTypes["application/x-shockwave-flash"] &&
						navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin) ?
						navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin : 0;
		  if (plugin) {
			 has_Flash = true;
			 has_FlashVersion = parseInt(plugin.description.substring(plugin.description.indexOf(".")-1));
		  }
	   }
	   if (is_win&&is_ie4up)
	   {
		  document.write(
			 '<scr' + 'ipt language=VBScript>' + '\n' +
			 'Dim hasPlayer, playerversion' + '\n' +
			 'hasPlayer = false' + '\n' +
			 'playerversion = 10' + '\n' +
			 'Do While playerversion > 0' + '\n' +
				'On Error Resume Next' + '\n' +
				'hasPlayer = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash." & playerversion)))' + '\n' +
				'If hasPlayer = true Then Exit Do' + '\n' +
				'playerversion = playerversion - 1' + '\n' +
			 'Loop' + '\n' +
			 'has_FlashVersion = playerversion' + '\n' +
			 'has_Flash = hasPlayer' + '\n' +
			 '<\/sc' + 'ript>'
			 );
	   }
	   // Umsetzung auf Objektvariable
	   this.is_flash = has_Flash;
	   this.is_flashversion = has_FlashVersion;
		// Zusammenfassung
		this.brself = "";
		brself += "|" + appVer;
		brself += "|" + agt;
		brself += "|" + is_major;
		brself += "|" + is_minor;
		brself += "|";
		this.brid = "1.0"; // Version von browserdetect
		brid += "-" + escape(is_major) + "-" + escape(is_minor) + "-" + escape(is_gver) + "-";
		var ie_cap = iv(is_ie,1) + iv(is_ie3,2) + iv(is_ie4,4) + iv(is_ie5,8) 
						+ iv(is_ie5_5,16) + iv(is_ie6,32) + iv(is_ie6up,64);
		brid += ie_cap;
		var nav_cap = iv(is_nav,1) + iv(is_nav2,2) + iv(is_nav3,4) + iv(is_nav4,8) + iv(is_nav5,16)
						+ iv(is_nav6,32) + iv(is_nav7,64) + iv(is_nav7up,128) + iv(is_navonly,256);
		brid += "." + nav_cap;
		var opera_cap = iv(is_opera,1) + iv(is_opera2,2) + iv(is_opera3,4) + iv(is_opera4,8) 
						+ iv(is_opera5,16) + iv(is_opera6,32) + iv(is_opera7,64) + iv(is_opera7up,128);
		brid += "." + opera_cap;
		var aol_cap = iv(is_aol,1) + iv(is_aol3,2) + iv(is_aol4,4) + iv(is_aol5,8) 
						+ iv(is_aol6,16) + iv(is_aol7,32) + iv(is_aol8,64);
		brid += "." + aol_cap;
		var htj_cap = iv(is_hotjava,1) + iv(is_hotjava3,2) + iv(is_hotjava3up,4);
		brid += "." + htj_cap;
		var obr_cap = iv(is_konq,1) + iv(is_safari,2) + iv(is_khtml,4) + iv(is_moz,8) 
						+ iv(is_gecko,16) + iv(is_webtv,32) + iv(is_TVNavigator,64) + iv(is_AOLTV,128);
		brid += "." + obr_cap;
		var win_cap = iv(is_win,1) + iv(is_win16,2) + iv(is_win32,4) + iv(is_win31,8) 
						+ iv(is_win95,16) + iv(is_win98,32) + iv(is_winme,64) + iv(is_winnt,128) 
						+ iv(is_win2k,256) + iv(is_winxp,512);
		brid += "." + win_cap;
		var osy_cap = iv(is_os2,1) + iv(is_mac,2) + iv(is_mac68k,4) + iv(is_macppc,8) 
						+ iv(is_linux,16) + iv(is_unix,32) + iv(is_vms,64);
		brid += "." + osy_cap;
		var doc_cap = iv(is_screen,1) + iv(is_anchors,2) + iv(is_regexp,4) + iv(is_cookie,8) + iv(is_forms,16) 
						+ iv(is_frames,32) + iv(is_getElementById,64) + iv(is_getElementsByName,128)
						+ iv(is_getElementsByTagName,256);
		brid += "." + doc_cap;
		var obj_cap = iv(is_applets,1) + iv(is_embeds,2) + iv(is_plugins,4) + iv(is_flash,8); 
		brid += "." + obj_cap;
		brid += "-" + is_js
		brid += "-" + is_flashversion + "-";
		brid += document_width + "." + document_height  + "." + screen_width + "." + screen_height + "."
				 + screen_availwidth + "." + screen_availheight + "." + screen_colorDepth;
		brid += ".";
	}
}