// browser.js

// Set browser-determined global variables
var NN = (document.layers ? true : false);	

// Detect OS and Browser
var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,thestring;

if (checkIt('konqueror')) {
	browser = "Konqueror";
	OS = "Linux";
} 
else if (checkIt('safari')) browser = "SF"
else if (checkIt('omniweb')) browser = "OW"
else if (checkIt('opera')) browser = "OP"
else if (checkIt('webtv')) browser = "WT";
else if (checkIt('icab')) browser = "iCab"
else if (checkIt('msie')) browser = "IE"
else if (!checkIt('compatible')) {
	browser = "NN"
	version = detect.charAt(8);
}
else browser = "An unknown browser";

if (!version) version = detect.charAt(place + thestring.length);

if (!OS) {
	if (checkIt('linux')) OS = "Linux";
	else if (checkIt('x11')) OS = "Unix";
	else if (checkIt('mac')) OS = "Mac"
	else if (checkIt('win')) OS = "Windows"
	else OS = "an unknown operating system";
}

function checkIt(string) {
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}