// detect.js - Browser detection

// startup flag
var gMod_Detect = true;

/////////////////////////////////////////////////////////////////////////////////////////////

function BrowserCheck() {

	// convert all characters to lowercase to simplify testing 
	var agt=navigator.userAgent.toLowerCase(); 

	//
	// *** BROWSER VERSION *** 
	//

	this.v = parseInt(navigator.appVersion); 
	this.minor = parseFloat(navigator.appVersion); 

	this.ns  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) && (agt.indexOf('webtv')==-1)); 
	this.ns2 = (this.ns && (this.v == 2));
	this.ns3 = (this.ns && (this.v == 3)); 
	this.ns4 = (this.ns && (this.v == 4)); 
	this.ns4up = (this.ns && (this.v >= 4)); 
	this.navonly = (this.ns && ((agt.indexOf(";nav") != -1) || (agt.indexOf("; nav") != -1))); 

	this.ns5 = (this.ns && (this.v == 5)); 
	this.ns5up = (this.ns && (this.v >= 5)); 

	this.ie = (agt.indexOf("msie") != -1);
	this.ie3 = (this.ie && (this.v < 4));
	this.ie4 = (this.ie && (this.v == 4) && (agt.indexOf("msie 5")==-1)); 
	this.ie4up = (this.ie && (this.v >= 4)); 
	this.ie5 = (this.ie && (this.v == 4) && (agt.indexOf("msie 5.0")!=-1)); 
	this.ie5up = (this.ie && !this.ie3 && !this.ie4); 

	this.aol = (agt.indexOf("aol") != -1); 
	this.aol3 = (this.aol && this.ie3);
	this.aol4 = (this.aol && this.ie4);

	this.opera = (agt.indexOf("opera") != -1);
	this.webtv = (agt.indexOf("webtv") != -1);

	//
	// *** JAVASCRIPT VERSION *** 
	//

	this.js = 0.0;
	if (this.ns2 || this.ie3){this.js = 1.0;}
	else if (this.ns3 || this.opera){this.js = 1.1;}
	else if ((this.ns4 && (this.minor <= 4.05)) || this.ie4){this.js = 1.2;}
	else if ((this.ns4 && (this.minor > 4.05)) || this.ie5){this.js = 1.3;}
	else if (this.ns5){this.js = 1.4;}
	else if (this.ns && (this.v > 5)){this.js = 1.4;}
	else if (this.ie && (this.v > 5)){this.js = 1.3;}
	else{this.js = 0.0;} 

	//
	// *** PLATFORM ***
	//

	this.win = ((agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1));
	this.win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));
	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));
	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.v >= 4) && (navigator.platform == "Win32")) || (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-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);
	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));

}

is = new BrowserCheck();

/////////////////////////////////////////////////////////////////////////////////////////////