/*
ua.js revision 0.200 2001-12-03

Contributor(s): Bob Clary, Netscape Communications, Copyright 2001

Netscape grants you a royalty free license to use, modify and 
distribute this software provided that this copyright notice 
appears on all copies.	This software is provided "AS IS," 
without a warranty of any kind.
*/

function xbDetectBrowser()
{
	var oldOnError = window.onerror;
	var element = null;

	window.onerror = null;
	
	// work around bug in xpcdom Mozilla 0.9.1
	window.saveNavigator = window.navigator;

	navigator.OS		= '';
	navigator.version	= parseFloat(navigator.appVersion);
	navigator.org		= '';
	navigator.family	= '';

	var platform;
	if (typeof(window.navigator.platform) != 'undefined')
	{
		platform = window.navigator.platform.toLowerCase();
		if (platform.indexOf('win') != -1)
			navigator.OS = 'win';
		else if (platform.indexOf('mac') != -1)
			navigator.OS = 'mac';
		else if (platform.indexOf('unix') != -1 || platform.indexOf('linux') != -1 || platform.indexOf('sun') != -1)
			navigator.OS = 'nix';
	}

	var i = 0;
	var ua = window.navigator.userAgent.toLowerCase();
	
	if (ua.indexOf('konqueror') != -1)
	{
		i = ua.indexOf('konqueror');
		navigator.family	= 'konqueror';
		navigator.org		= 'konqueror';
	}
	else if (ua.indexOf('opera') != -1)
	{
		i = ua.indexOf('opera');
		navigator.family	= 'opera';
		navigator.org		= 'opera';
		navigator.version	= parseFloat('0' + ua.substr(i+6), 10);
	}
	else if ((i = ua.indexOf('msie')) != -1)
	{
		navigator.org		= 'microsoft';
		navigator.version	= parseFloat('0' + ua.substr(i+5), 10);
		
		if (navigator.version < 4)
			navigator.family = 'ie3';
		else
			navigator.family = 'ie4'
	}
	else if (ua.indexOf('gecko') != -1)
	{
		navigator.family = 'gecko';
		var rvStart = navigator.userAgent.indexOf('rv:') + 3;
		var rvEnd = navigator.userAgent.indexOf(')', rvStart);
		var rv = navigator.userAgent.substring(rvStart, rvEnd);
		var decIndex = rv.indexOf('.');
		if (decIndex != -1)
		{
			rv = rv.replace(/\./g, '')
			rv = rv.substring(0, decIndex-1) + '.' + rv.substr(decIndex)
		}
		navigator.version = parseFloat(rv);

		if (ua.indexOf('netscape') != -1)
			navigator.org = 'netscape';
		else if (ua.indexOf('compuserve') != -1)
			navigator.org = 'compuserve';
		else
			navigator.org = 'mozilla';
	}
	else if ((ua.indexOf('mozilla') !=-1) && (ua.indexOf('spoofer')==-1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera')==-1)&& (ua.indexOf('webtv')==-1) && (ua.indexOf('hotjava')==-1))
	{
		var is_major = parseFloat(navigator.appVersion);
		
		if (is_major < 4)
			navigator.version = is_major;
		else
		{
			i = ua.lastIndexOf('/')
			navigator.version = parseFloat('0' + ua.substr(i+1), 10);
		}
		navigator.org = 'netscape';
		navigator.family = 'nn' + parseInt(navigator.appVersion);
	}
	else if ((i = ua.indexOf('aol')) != -1 )
	{
		// aol
		navigator.family	= 'aol';
		navigator.org		= 'aol';
		navigator.version	= parseFloat('0' + ua.substr(i+4), 10);
	}
	else if ((i = ua.indexOf('hotjava')) != -1 )
	{
		// hotjava
		navigator.family	= 'hotjava';
		navigator.org		= 'sun';
		navigator.version	= parseFloat(navigator.appVersion);
	}

	window.onerror = oldOnError;
}

xbDetectBrowser();