/*	=======================================================================	*/
/// <remarks>
///		Copyright:	umlungu consulting (pty) ltd
///		Author:		Alan Benington	
///		Started:	2006-09-19
///		Status:		release
///		Version:	0.0.7
///		Build:		20061109
///		License:	GNU General Public License
///		From: JavaScript Browser Sniffer
///			Eric Krok, Andy King, Michel Plungjan Jan. 31, 2002
///			see http://www.webreference.com/ for more information
//
///			This program is free software; you can redistribute it and/or modify
///			it under the terms of the GNU General Public License as published by
///			the Free Software Foundation; either version 2 of the License, or
///			(at your option) any later version.
/// </remarks>
/*	=======================================================================	*/

/*	=======================================================================	*/
/// <remarks>
/// Class: ClassSniffer
/// The ClassSniffer object class has the following purpose/function:
///	- 	detection of browser, version and javascript capability
///	-	orginal code: http://www.webreference.com/tools/browser/javascript.html
/// </remarks>
/*	-----------------------------------------------------------------------	*/
/// <summary>
/// The ClassSniffer object class is constructed as follows:
///		var thisobj = new ClassSniffer();
/// </summary>
function ClassSniffer() {
	/*	-------------------------------------------	*/
	/// <remarks>Properties: Private</remarks>
	/*	-------------------------------------------	*/
	var _self = this;
	// lowercase to simplify
	var agt = navigator.userAgent.toLowerCase();
	var appVer = navigator.appVersion.toLowerCase();
	// browser version
	var is_minor = parseFloat(appVer);
	var is_major = parseInt(is_minor);
	
	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_opera6 = (agt.indexOf("opera 6") != -1 || agt.indexOf("opera/6") != -1);
	var is_opera7 = (agt.indexOf("opera 7") != -1 || agt.indexOf("opera/7") != -1);
	var is_opera8 = (agt.indexOf("opera 8") != -1 || agt.indexOf("opera/8") != -1);
	var is_opera9 = (agt.indexOf("opera 9") != -1 || agt.indexOf("opera/9") != -1);
	
	var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);
	var is_opera6up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5);
	var is_opera7up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5 && !is_opera6);
	var is_opera8up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5 && !is_opera6 && !is_opera7);
	var is_opera9up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5 && !is_opera6 && !is_opera7 &&!is_opera8);
	
	var is_mac = (agt.indexOf("mac")!=-1);
	var iePos  = appVer.indexOf('msie');
	if (iePos !=-1) {
		if (is_mac) {
			iePos = agt.indexOf('msie');
			is_minor = parseFloat(agt.substring(iePos+5,agt.indexOf(';',iePos)));
		}
		else 
			is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)));
		is_major = parseInt(is_minor);
	}

	// Konqueror
	var 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);
	}								 

	var is_getElementById	= (document.getElementById) ? "true" : "false";
	var is_getElementsByTagName = (document.getElementsByTagName) ? "true" : "false";
	var is_documentElement = (document.documentElement) ? "true" : "false";

	var is_safari = ((agt.indexOf('safari')!=-1)&&(agt.indexOf('mac')!=-1))?true:false;
	var is_khtml  = (is_safari || is_konq);

	var is_gecko = ((!is_khtml)&&(navigator.product)&&(navigator.product.toLowerCase()=="gecko"))?true:false;
	var is_gver  = 0;
	if (is_gecko) is_gver=navigator.productSub;

	var is_fb = ((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=="Firebird"));
	var is_fx = ((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=="Firefox")||(agt.indexOf('firefox')!=-1)));
	var 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) && (!is_fb) && (!is_fx) &&
					((navigator.vendor=="")||(navigator.vendor=="Mozilla")||(navigator.vendor=="Debian")));
	if ((is_moz)||(is_fb)||(is_fx)) {
		var is_moz_ver = (navigator.vendorSub)?navigator.vendorSub:0;
		if(is_fx&&!is_moz_ver) {
			is_moz_ver = agt.indexOf('firefox/');
			is_moz_ver = agt.substring(is_moz_ver+8);
			is_moz_ver = parseFloat(is_moz_ver);
		}
		if(!(is_moz_ver)) {
			is_moz_ver = agt.indexOf('rv:');
			is_moz_ver = agt.substring(is_moz_ver+3);
			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);
	}
	var is_fb_ver = is_moz_ver;
	var is_fx_ver = is_moz_ver;

	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)
				&& (!is_khtml) && (!(is_moz)) && (!is_fb) && (!is_fx));

	if ((navigator.vendor)&&
		((navigator.vendor=="Netscape6")||(navigator.vendor=="Netscape"))&&
		(is_nav)) {
		is_major = parseInt(navigator.vendorSub);
		is_minor = parseFloat(navigator.vendorSub);
	}

	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_minor >= 4);
	var is_navonly	  = (is_nav && ((agt.indexOf(";nav") != -1) ||
						  (agt.indexOf("; nav") != -1)) );
	var is_nav6	= (is_nav && is_major==6);
	var is_nav6up = (is_nav && is_minor >= 6);
	var is_nav5	= (is_nav && is_major == 5 && !is_nav6);
	var is_nav5up = (is_nav && is_minor >= 5);
	var is_nav7	= (is_nav && is_major == 7);
	var is_nav7up = (is_nav && is_minor >= 7);
	var is_nav8	= (is_nav && is_major == 8);
	var is_nav8up = (is_nav && is_minor >= 8);
	
	//IE
	var is_ie	= ((iePos!=-1) && (!is_opera) && (!is_khtml));
	var is_ie3  = (is_ie && (is_major < 4));
	var is_ie4	= (is_ie && is_major == 4);
	var is_ie4up = (is_ie && is_minor >= 4);
	var is_ie5	= (is_ie && is_major == 5);
	var is_ie5up = (is_ie && is_minor >= 5);
	var is_ie5_5  = (is_ie && (agt.indexOf("msie 5.5") !=-1));
	var is_ie5_5up =(is_ie && is_minor >= 5.5);
	var is_ie6	= (is_ie && is_major == 6);
	var is_ie6up = (is_ie && is_minor >= 6);
	var is_ie6dn = (is_ie && is_minor <= 6);
	var is_ie7	= (is_ie && is_major == 7);
	var is_ie7up = (is_ie && is_minor >= 7);
	
	// aol
	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_aol7  = ((agt.indexOf("aol 7")!=-1) || (agt.indexOf("aol7")!=-1));
	var is_aol8  = ((agt.indexOf("aol 8")!=-1) || (agt.indexOf("aol8")!=-1));
	
	// other
	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_opera5)||(is_opera6)) is_js = 1.3;
	else if (is_opera7up) is_js = 1.5;
	else if (is_khtml) is_js = 1.5;
	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;
	else if (is_nav6up) is_js = 1.5;
	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;
	else if (is_fb||is_fx) is_js = 1.5;
	else is_js = 0.0;
	
	if ((agt.indexOf("mac")!=-1) && is_ie5up) is_js = 1.4;
	if (is_nav6up) { is_minor = navigator.vendorSub; }

	// platform:
	var is_win	= ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
	var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));
	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) || (agt.indexOf("windows 2000")!=-1));
	var is_winxp = ((agt.indexOf("windows nt 5.1")!=-1) || (agt.indexOf("windows xp")!=-1));
	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);
	if (is_mac) { is_win = !is_mac; }
	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_macosx = (is_mac && (agt.indexOf("os x")!=-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);
	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);
	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));

	var is_anchors = (document.anchors) ? "true":"false";
	var is_regexp = (window.RegExp) ? "true":"false";
	var is_option = (window.Option) ? "true":"false";
	var is_all = (document.all) ? "true":"false";

	document.cookie = "cookies=true";
	var is_cookie = (document.cookie) ? "true" : "false";
	var is_images = (document.images) ? "true":"false";
	var is_layers = (document.layers) ? "true":"false"; // gecko m7 bug?
	var is_forms = (document.forms) ? "true" : "false";
	var is_links = (document.links) ? "true" : "false";
	var is_frames = (window.frames) ? "true" : "false";
	var is_screen = (window.screen) ? "true" : "false";
	
	// java:
	var is_java = (navigator.javaEnabled());
	
	// flash:
	var is_Flash		= false;
	var is_FlashVersion = 0;

	if ((is_nav||is_opera||is_moz||is_fb||is_fx||is_safari)||
		(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 && plugin.description) {
			is_Flash = true;
			is_FlashVersion = parseInt(plugin.description.substring(plugin.description.indexOf(".")-1));
		}
	}
	/*	-------------------------------------------	*/
	/// <remarks>Region: Public properties</remarks>
	/*	-------------------------------------------	*/
	this.IE = is_ie;
	this.IE6up = is_ie6up;
	this.IE6dn = is_ie6dn;
	this.Gecko = is_gecko;
	this.Fox = is_fx;
	this.Moz = is_moz;
	this.Nav = is_nav;
	this.Opera = is_opera;
	this.Minor = is_minor;
	this.Major = is_major;
	this.Win = is_win;
	this.Mac = is_mac;
	this.Flash = is_Flash;
	this.FlashVer = is_FlashVersion;
	/*	-------------------------------------------	*/
	/// <remarks>Region: Accessor methods</remarks>
	/*	-------------------------------------------	*/
	this.GetSomething = function() { return _something; }
	this.SetSomething = function(val) { _something = val; }
	/*	-------------------------------------------	*/
	/// <remarks>Region: Public methods</remarks>
	/*	-------------------------------------------	*/
	this.DoSomething = _DoSomething;
	/// <summary>Method:_Template</summary>
	function _DoSomething(someParam) {
		var someResult = someParam;
		return someResult;
	}
	/*	-------------------------------------------	*/
	/// <remarks>Region: Private methods</remarks>
	/*	-------------------------------------------	*/
	/// <summary>Method:_RaiseError</summary>
	function doSomethingElse(someParam) {
		_self.SetSomething(someParam);
	}
}