<!--


// Ultimate client-side JavaScript client sniffer. 
// (C) Netscape Communications 1999.  Permission granted to reuse and distribute. 
// Revised 17 May 99 to add is_nav5up and is_ie5up (see below). 
// Everything you always wanted to know about your JavaScript client 
// but were afraid to ask. Creates "is_" variables indicating: 
// (1) browser vendor: 
//     is_nav, is_ie, is_opera 
// (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_nav5, is_nav5up, is_ie3, is_ie4, is_ie4up 
// (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_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. 
    // 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. 
    var is_major = parseInt(navigator.appVersion); 
    var is_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. 
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) 
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) 
                && (agt.indexOf('webtv')==-1)); 
    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_major >= 4)); 
    var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) || 
                          (agt.indexOf("; nav") != -1)) ); 
    var is_nav5 = (is_nav && (is_major == 5)); 
    var is_nav5up = (is_nav && (is_major >= 5)); 
    var is_nav6 = (is_nav && (is_major == 6)); 
    var is_nav6up = (is_nav && (is_major >= 6)); 
    var is_nav7 = (is_nav && (is_major == 7)); 
    var is_nav7up = (is_nav && (is_major >= 7)); 
    var is_ie   = (agt.indexOf("msie") != -1); 
    var is_ie3  = (is_ie && (is_major < 4)); 
    var is_ie4  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) ); 
    var is_ie4up  = (is_ie  && (is_major >= 4)); 
    var is_ie5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) ); 
    var is_ie5up  = (is_ie  && !is_ie3 && !is_ie4); 
    var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
    // 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. 
    var is_aol   = (agt.indexOf("aol") != -1); 
    var is_aol3  = (is_aol && is_ie3); 
    var is_aol4  = (is_aol && is_ie4); 
    var is_opera = (agt.indexOf("opera") != -1); 
    var is_webtv = (agt.indexOf("webtv") != -1); 
	// safari (added by don crockett)
	var is_safari = (agt.indexOf("safari") != -1 || (typeof document.childNodes != "undefined" && typeof document.all == "undefined" && typeof navigator.taintEnabled == "undefined"));

    // *** JAVASCRIPT VERSION CHECK *** 
    var is_js; 
    if (is_nav2 || is_ie3) is_js = 1.0 
    else if (is_nav3 || 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_js = 1.4 
    // 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 
    // HACK: no idea for other browsers; always check for JS version with > or >= 
    else is_js = 0.0; 
    // *** PLATFORM ***
    var 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.
    var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));

    // is this a 16 bit compiled version?
    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_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_mac    = (agt.indexOf("mac")!=-1);
    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)));


browser = navigator.appName;
ie = "Microsoft Internet Explorer";
netscape = "Netscape";
os = navigator.platform;
mac = "MacPPC"; 


// vvvvv section added by don crockett vvvvv

var browserCompatibility = "";
var browserUserAgent = "";
var browserVersion = "";

function eBookBrowserCompatibility () {

	var user = navigator.userAgent.toLowerCase();
	var win = 0;
	var mac = 0;
	var prob = 0;
	var brows;
	var vers;
	var result;
	var pattern;
	
	//alert(user);
	
	
	//// determine windows or mac
	if (user.indexOf('win') != -1) {
		win = 1;
	}
	else if (user.indexOf('mac') != -1) {
	 	mac = 1;
	}
	else {
		browserCompatibility = 'unknown';
	} 
	
	
	//// determine browser type
	if (typeof document.all != "undefined") {
		brows = 'ie';
	}
	else if (typeof document.getElementById != "undefined") {
		if (user.indexOf("netscape") != -1) {
			brows = 'ns';
		}
		else if(user.indexOf("gecko") != -1) { 
			brows = 'moz'; 
		}
		if (user.indexOf("safari") != -1 || (typeof document.childNodes != "undefined" && typeof document.all == "undefined" && typeof navigator.taintEnabled == "undefined")) { 
			brows = 'saf';
		}
	}
	else if ((user.indexOf('mozilla') != -1) && (parseInt(navigator.appVersion) >= 4)) {
		brows = 'ns';
	}
	else {
		browserCompatibility = 'unknown';
	}
	
	
	//// determine browser version
	//// if ie
	if (brows == 'ie') {
		pattern = /msie (\d+\.\d*)/;
		result = user.match(pattern);
		vers = result[1];
		//alert("Version = " + brows + vers);
		if (win && vers < 5.5) {
			//alert("We may have a problem...");
			browserCompatibility = 'no';
		}
		else if (mac && vers < 5) {
			//alert("We may have a problem...");
			browserCompatibility = 'no';
		}
		else if (mac && vers >= 5.2) {
			//alert("We may have a problem...");
			browserCompatibility = 'os10ie';
		}
	}
	
	//// if netscape
	else if (brows == 'ns') {
		pattern = /netscape\/(\d+\.\d*)/;
		result = user.match(pattern);
		if (result != null) {
			vers = result[1];
			//alert("Version = " + brows + vers);
		}
		else {
			pattern = /mozilla\/(\d+\.\d*)/;
			result = user.match(pattern);
			if (result != null) {
				vers = result[1];
				//alert("Version = " + brows + vers);
			}
		}
		if (vers < 7) {
			browserCompatibility = 'no';
			//alert("We may have a problem..."); 
		}
	}
	//else if (brows != 'moz' && brows != 'saf') {
	//	alert("We may have a problem..."); 
	//}
	
	if (browserCompatibility == "") { 
		browserCompatibility = "yes"; 
	}
	
	browserUserAgent = navigator.userAgent.toLowerCase();
	browserVersion = brows + vers;
	
} // eBookBrowserCompatibility

// check for eBook browser compatibility
eBookBrowserCompatibility();

// check if cookies are enabled
var cookiesEnabled = true;
var cookieTest = "COOKIES_ENABLED=1";
document.cookie = cookieTest;
if (document.cookie.indexOf(cookieTest) == -1) {
	cookiesEnabled = false;
}

// ^^^^^ section added by don crockett ^^^^^


function makeSelect(selectName,anEvent)
{
	var rows = 9;
	var selectString = "<select name='" + selectName;
	if(anEvent!=null)
		selectString += "' " + anEvent + ">\n";
	else
		selectString += "'>\n";
	
	if (browser == netscape && os != mac)
	{
		selectString += "<option>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option>\n";
	}
	else if (browser == ie && os != mac)
	{
		selectString += "<option>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option>\n";
	}
	else if (browser == netscape && os == mac)
	{
		selectString += "<option>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option>\n";
	}
	else if (browser == ie && os == mac)
	{
		selectString += "<option>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option>\n";
	}
	
	for(var counter=0; counter<rows; counter++)
	{
		selectString += "<option></option>\n";
	}
	
	selectString += "</select>\n";
	
	return selectString;
}

//-->